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1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | * Mupen64plus - new_dynarec.c * |
20d507ba |
3 | * Copyright (C) 2009-2011 Ari64 * |
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4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) any later version. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
19 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
20 | |
21 | #include <stdlib.h> |
22 | #include <stdint.h> //include for uint64_t |
23 | #include <assert.h> |
24 | |
3d624f89 |
25 | #include "emu_if.h" //emulator interface |
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26 | |
27 | #include <sys/mman.h> |
28 | |
29 | #ifdef __i386__ |
30 | #include "assem_x86.h" |
31 | #endif |
32 | #ifdef __x86_64__ |
33 | #include "assem_x64.h" |
34 | #endif |
35 | #ifdef __arm__ |
36 | #include "assem_arm.h" |
37 | #endif |
38 | |
39 | #define MAXBLOCK 4096 |
40 | #define MAX_OUTPUT_BLOCK_SIZE 262144 |
41 | #define CLOCK_DIVIDER 2 |
42 | |
43 | struct regstat |
44 | { |
45 | signed char regmap_entry[HOST_REGS]; |
46 | signed char regmap[HOST_REGS]; |
47 | uint64_t was32; |
48 | uint64_t is32; |
49 | uint64_t wasdirty; |
50 | uint64_t dirty; |
51 | uint64_t u; |
52 | uint64_t uu; |
53 | u_int wasconst; |
54 | u_int isconst; |
55 | uint64_t constmap[HOST_REGS]; |
56 | }; |
57 | |
58 | struct ll_entry |
59 | { |
60 | u_int vaddr; |
61 | u_int reg32; |
62 | void *addr; |
63 | struct ll_entry *next; |
64 | }; |
65 | |
66 | u_int start; |
67 | u_int *source; |
68 | u_int pagelimit; |
69 | char insn[MAXBLOCK][10]; |
70 | u_char itype[MAXBLOCK]; |
71 | u_char opcode[MAXBLOCK]; |
72 | u_char opcode2[MAXBLOCK]; |
73 | u_char bt[MAXBLOCK]; |
74 | u_char rs1[MAXBLOCK]; |
75 | u_char rs2[MAXBLOCK]; |
76 | u_char rt1[MAXBLOCK]; |
77 | u_char rt2[MAXBLOCK]; |
78 | u_char us1[MAXBLOCK]; |
79 | u_char us2[MAXBLOCK]; |
80 | u_char dep1[MAXBLOCK]; |
81 | u_char dep2[MAXBLOCK]; |
82 | u_char lt1[MAXBLOCK]; |
83 | int imm[MAXBLOCK]; |
84 | u_int ba[MAXBLOCK]; |
85 | char likely[MAXBLOCK]; |
86 | char is_ds[MAXBLOCK]; |
e1190b87 |
87 | char ooo[MAXBLOCK]; |
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88 | uint64_t unneeded_reg[MAXBLOCK]; |
89 | uint64_t unneeded_reg_upper[MAXBLOCK]; |
90 | uint64_t branch_unneeded_reg[MAXBLOCK]; |
91 | uint64_t branch_unneeded_reg_upper[MAXBLOCK]; |
92 | uint64_t p32[MAXBLOCK]; |
93 | uint64_t pr32[MAXBLOCK]; |
94 | signed char regmap_pre[MAXBLOCK][HOST_REGS]; |
95 | signed char regmap[MAXBLOCK][HOST_REGS]; |
96 | signed char regmap_entry[MAXBLOCK][HOST_REGS]; |
97 | uint64_t constmap[MAXBLOCK][HOST_REGS]; |
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98 | struct regstat regs[MAXBLOCK]; |
99 | struct regstat branch_regs[MAXBLOCK]; |
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100 | signed char minimum_free_regs[MAXBLOCK]; |
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101 | u_int needed_reg[MAXBLOCK]; |
102 | uint64_t requires_32bit[MAXBLOCK]; |
103 | u_int wont_dirty[MAXBLOCK]; |
104 | u_int will_dirty[MAXBLOCK]; |
105 | int ccadj[MAXBLOCK]; |
106 | int slen; |
107 | u_int instr_addr[MAXBLOCK]; |
108 | u_int link_addr[MAXBLOCK][3]; |
109 | int linkcount; |
110 | u_int stubs[MAXBLOCK*3][8]; |
111 | int stubcount; |
112 | u_int literals[1024][2]; |
113 | int literalcount; |
114 | int is_delayslot; |
115 | int cop1_usable; |
116 | u_char *out; |
117 | struct ll_entry *jump_in[4096]; |
118 | struct ll_entry *jump_out[4096]; |
119 | struct ll_entry *jump_dirty[4096]; |
120 | u_int hash_table[65536][4] __attribute__((aligned(16))); |
121 | char shadow[1048576] __attribute__((aligned(16))); |
122 | void *copy; |
123 | int expirep; |
af4ee1fe |
124 | #ifndef PCSX |
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125 | u_int using_tlb; |
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126 | #else |
127 | static const u_int using_tlb=0; |
128 | #endif |
dadf55f2 |
129 | static u_int sp_in_mirror; |
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130 | u_int stop_after_jal; |
131 | extern u_char restore_candidate[512]; |
132 | extern int cycle_count; |
133 | |
134 | /* registers that may be allocated */ |
135 | /* 1-31 gpr */ |
136 | #define HIREG 32 // hi |
137 | #define LOREG 33 // lo |
138 | #define FSREG 34 // FPU status (FCSR) |
139 | #define CSREG 35 // Coprocessor status |
140 | #define CCREG 36 // Cycle count |
141 | #define INVCP 37 // Pointer to invalid_code |
619e5ded |
142 | #define MMREG 38 // Pointer to memory_map |
143 | #define ROREG 39 // ram offset (if rdram!=0x80000000) |
144 | #define TEMPREG 40 |
145 | #define FTEMP 40 // FPU temporary register |
146 | #define PTEMP 41 // Prefetch temporary register |
147 | #define TLREG 42 // TLB mapping offset |
148 | #define RHASH 43 // Return address hash |
149 | #define RHTBL 44 // Return address hash table address |
150 | #define RTEMP 45 // JR/JALR address register |
151 | #define MAXREG 45 |
152 | #define AGEN1 46 // Address generation temporary register |
153 | #define AGEN2 47 // Address generation temporary register |
154 | #define MGEN1 48 // Maptable address generation temporary register |
155 | #define MGEN2 49 // Maptable address generation temporary register |
156 | #define BTREG 50 // Branch target temporary register |
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157 | |
158 | /* instruction types */ |
159 | #define NOP 0 // No operation |
160 | #define LOAD 1 // Load |
161 | #define STORE 2 // Store |
162 | #define LOADLR 3 // Unaligned load |
163 | #define STORELR 4 // Unaligned store |
164 | #define MOV 5 // Move |
165 | #define ALU 6 // Arithmetic/logic |
166 | #define MULTDIV 7 // Multiply/divide |
167 | #define SHIFT 8 // Shift by register |
168 | #define SHIFTIMM 9// Shift by immediate |
169 | #define IMM16 10 // 16-bit immediate |
170 | #define RJUMP 11 // Unconditional jump to register |
171 | #define UJUMP 12 // Unconditional jump |
172 | #define CJUMP 13 // Conditional branch (BEQ/BNE/BGTZ/BLEZ) |
173 | #define SJUMP 14 // Conditional branch (regimm format) |
174 | #define COP0 15 // Coprocessor 0 |
175 | #define COP1 16 // Coprocessor 1 |
176 | #define C1LS 17 // Coprocessor 1 load/store |
177 | #define FJUMP 18 // Conditional branch (floating point) |
178 | #define FLOAT 19 // Floating point unit |
179 | #define FCONV 20 // Convert integer to float |
180 | #define FCOMP 21 // Floating point compare (sets FSREG) |
181 | #define SYSCALL 22// SYSCALL |
182 | #define OTHER 23 // Other |
183 | #define SPAN 24 // Branch/delay slot spans 2 pages |
184 | #define NI 25 // Not implemented |
7139f3c8 |
185 | #define HLECALL 26// PCSX fake opcodes for HLE |
b9b61529 |
186 | #define COP2 27 // Coprocessor 2 move |
187 | #define C2LS 28 // Coprocessor 2 load/store |
188 | #define C2OP 29 // Coprocessor 2 operation |
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189 | #define INTCALL 30// Call interpreter to handle rare corner cases |
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190 | |
191 | /* stubs */ |
192 | #define CC_STUB 1 |
193 | #define FP_STUB 2 |
194 | #define LOADB_STUB 3 |
195 | #define LOADH_STUB 4 |
196 | #define LOADW_STUB 5 |
197 | #define LOADD_STUB 6 |
198 | #define LOADBU_STUB 7 |
199 | #define LOADHU_STUB 8 |
200 | #define STOREB_STUB 9 |
201 | #define STOREH_STUB 10 |
202 | #define STOREW_STUB 11 |
203 | #define STORED_STUB 12 |
204 | #define STORELR_STUB 13 |
205 | #define INVCODE_STUB 14 |
206 | |
207 | /* branch codes */ |
208 | #define TAKEN 1 |
209 | #define NOTTAKEN 2 |
210 | #define NULLDS 3 |
211 | |
212 | // asm linkage |
213 | int new_recompile_block(int addr); |
214 | void *get_addr_ht(u_int vaddr); |
215 | void invalidate_block(u_int block); |
216 | void invalidate_addr(u_int addr); |
217 | void remove_hash(int vaddr); |
218 | void jump_vaddr(); |
219 | void dyna_linker(); |
220 | void dyna_linker_ds(); |
221 | void verify_code(); |
222 | void verify_code_vm(); |
223 | void verify_code_ds(); |
224 | void cc_interrupt(); |
225 | void fp_exception(); |
226 | void fp_exception_ds(); |
227 | void jump_syscall(); |
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228 | void jump_syscall_hle(); |
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229 | void jump_eret(); |
7139f3c8 |
230 | void jump_hlecall(); |
1e973cb0 |
231 | void jump_intcall(); |
7139f3c8 |
232 | void new_dyna_leave(); |
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233 | |
234 | // TLB |
235 | void TLBWI_new(); |
236 | void TLBWR_new(); |
237 | void read_nomem_new(); |
238 | void read_nomemb_new(); |
239 | void read_nomemh_new(); |
240 | void read_nomemd_new(); |
241 | void write_nomem_new(); |
242 | void write_nomemb_new(); |
243 | void write_nomemh_new(); |
244 | void write_nomemd_new(); |
245 | void write_rdram_new(); |
246 | void write_rdramb_new(); |
247 | void write_rdramh_new(); |
248 | void write_rdramd_new(); |
249 | extern u_int memory_map[1048576]; |
250 | |
251 | // Needed by assembler |
252 | void wb_register(signed char r,signed char regmap[],uint64_t dirty,uint64_t is32); |
253 | void wb_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty); |
254 | void wb_needed_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr); |
255 | void load_all_regs(signed char i_regmap[]); |
256 | void load_needed_regs(signed char i_regmap[],signed char next_regmap[]); |
257 | void load_regs_entry(int t); |
258 | void load_all_consts(signed char regmap[],int is32,u_int dirty,int i); |
259 | |
260 | int tracedebug=0; |
261 | |
262 | //#define DEBUG_CYCLE_COUNT 1 |
263 | |
264 | void nullf() {} |
265 | //#define assem_debug printf |
266 | //#define inv_debug printf |
267 | #define assem_debug nullf |
268 | #define inv_debug nullf |
269 | |
94d23bb9 |
270 | static void tlb_hacks() |
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271 | { |
94d23bb9 |
272 | #ifndef DISABLE_TLB |
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273 | // Goldeneye hack |
274 | if (strncmp((char *) ROM_HEADER->nom, "GOLDENEYE",9) == 0) |
275 | { |
276 | u_int addr; |
277 | int n; |
278 | switch (ROM_HEADER->Country_code&0xFF) |
279 | { |
280 | case 0x45: // U |
281 | addr=0x34b30; |
282 | break; |
283 | case 0x4A: // J |
284 | addr=0x34b70; |
285 | break; |
286 | case 0x50: // E |
287 | addr=0x329f0; |
288 | break; |
289 | default: |
290 | // Unknown country code |
291 | addr=0; |
292 | break; |
293 | } |
294 | u_int rom_addr=(u_int)rom; |
295 | #ifdef ROM_COPY |
296 | // Since memory_map is 32-bit, on 64-bit systems the rom needs to be |
297 | // in the lower 4G of memory to use this hack. Copy it if necessary. |
298 | if((void *)rom>(void *)0xffffffff) { |
299 | munmap(ROM_COPY, 67108864); |
300 | if(mmap(ROM_COPY, 12582912, |
301 | PROT_READ | PROT_WRITE, |
302 | MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, |
303 | -1, 0) <= 0) {printf("mmap() failed\n");} |
304 | memcpy(ROM_COPY,rom,12582912); |
305 | rom_addr=(u_int)ROM_COPY; |
306 | } |
307 | #endif |
308 | if(addr) { |
309 | for(n=0x7F000;n<0x80000;n++) { |
310 | memory_map[n]=(((u_int)(rom_addr+addr-0x7F000000))>>2)|0x40000000; |
311 | } |
312 | } |
313 | } |
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314 | #endif |
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315 | } |
316 | |
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317 | static u_int get_page(u_int vaddr) |
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318 | { |
0ce47d46 |
319 | #ifndef PCSX |
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320 | u_int page=(vaddr^0x80000000)>>12; |
0ce47d46 |
321 | #else |
322 | u_int page=vaddr&~0xe0000000; |
323 | if (page < 0x1000000) |
324 | page &= ~0x0e00000; // RAM mirrors |
325 | page>>=12; |
326 | #endif |
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327 | #ifndef DISABLE_TLB |
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328 | if(page>262143&&tlb_LUT_r[vaddr>>12]) page=(tlb_LUT_r[vaddr>>12]^0x80000000)>>12; |
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329 | #endif |
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330 | if(page>2048) page=2048+(page&2047); |
94d23bb9 |
331 | return page; |
332 | } |
333 | |
334 | static u_int get_vpage(u_int vaddr) |
335 | { |
336 | u_int vpage=(vaddr^0x80000000)>>12; |
337 | #ifndef DISABLE_TLB |
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338 | if(vpage>262143&&tlb_LUT_r[vaddr>>12]) vpage&=2047; // jump_dirty uses a hash of the virtual address instead |
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339 | #endif |
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340 | if(vpage>2048) vpage=2048+(vpage&2047); |
94d23bb9 |
341 | return vpage; |
342 | } |
343 | |
344 | // Get address from virtual address |
345 | // This is called from the recompiled JR/JALR instructions |
346 | void *get_addr(u_int vaddr) |
347 | { |
348 | u_int page=get_page(vaddr); |
349 | u_int vpage=get_vpage(vaddr); |
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350 | struct ll_entry *head; |
351 | //printf("TRACE: count=%d next=%d (get_addr %x,page %d)\n",Count,next_interupt,vaddr,page); |
352 | head=jump_in[page]; |
353 | while(head!=NULL) { |
354 | if(head->vaddr==vaddr&&head->reg32==0) { |
355 | //printf("TRACE: count=%d next=%d (get_addr match %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr); |
356 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
357 | ht_bin[3]=ht_bin[1]; |
358 | ht_bin[2]=ht_bin[0]; |
359 | ht_bin[1]=(int)head->addr; |
360 | ht_bin[0]=vaddr; |
361 | return head->addr; |
362 | } |
363 | head=head->next; |
364 | } |
365 | head=jump_dirty[vpage]; |
366 | while(head!=NULL) { |
367 | if(head->vaddr==vaddr&&head->reg32==0) { |
368 | //printf("TRACE: count=%d next=%d (get_addr match dirty %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr); |
369 | // Don't restore blocks which are about to expire from the cache |
370 | if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) |
371 | if(verify_dirty(head->addr)) { |
372 | //printf("restore candidate: %x (%d) d=%d\n",vaddr,page,invalid_code[vaddr>>12]); |
373 | invalid_code[vaddr>>12]=0; |
374 | memory_map[vaddr>>12]|=0x40000000; |
375 | if(vpage<2048) { |
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376 | #ifndef DISABLE_TLB |
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377 | if(tlb_LUT_r[vaddr>>12]) { |
378 | invalid_code[tlb_LUT_r[vaddr>>12]>>12]=0; |
379 | memory_map[tlb_LUT_r[vaddr>>12]>>12]|=0x40000000; |
380 | } |
94d23bb9 |
381 | #endif |
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382 | restore_candidate[vpage>>3]|=1<<(vpage&7); |
383 | } |
384 | else restore_candidate[page>>3]|=1<<(page&7); |
385 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
386 | if(ht_bin[0]==vaddr) { |
387 | ht_bin[1]=(int)head->addr; // Replace existing entry |
388 | } |
389 | else |
390 | { |
391 | ht_bin[3]=ht_bin[1]; |
392 | ht_bin[2]=ht_bin[0]; |
393 | ht_bin[1]=(int)head->addr; |
394 | ht_bin[0]=vaddr; |
395 | } |
396 | return head->addr; |
397 | } |
398 | } |
399 | head=head->next; |
400 | } |
401 | //printf("TRACE: count=%d next=%d (get_addr no-match %x)\n",Count,next_interupt,vaddr); |
402 | int r=new_recompile_block(vaddr); |
403 | if(r==0) return get_addr(vaddr); |
404 | // Execute in unmapped page, generate pagefault execption |
405 | Status|=2; |
406 | Cause=(vaddr<<31)|0x8; |
407 | EPC=(vaddr&1)?vaddr-5:vaddr; |
408 | BadVAddr=(vaddr&~1); |
409 | Context=(Context&0xFF80000F)|((BadVAddr>>9)&0x007FFFF0); |
410 | EntryHi=BadVAddr&0xFFFFE000; |
411 | return get_addr_ht(0x80000000); |
412 | } |
413 | // Look up address in hash table first |
414 | void *get_addr_ht(u_int vaddr) |
415 | { |
416 | //printf("TRACE: count=%d next=%d (get_addr_ht %x)\n",Count,next_interupt,vaddr); |
417 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
418 | if(ht_bin[0]==vaddr) return (void *)ht_bin[1]; |
419 | if(ht_bin[2]==vaddr) return (void *)ht_bin[3]; |
420 | return get_addr(vaddr); |
421 | } |
422 | |
423 | void *get_addr_32(u_int vaddr,u_int flags) |
424 | { |
7139f3c8 |
425 | #ifdef FORCE32 |
426 | return get_addr(vaddr); |
560e4a12 |
427 | #else |
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428 | //printf("TRACE: count=%d next=%d (get_addr_32 %x,flags %x)\n",Count,next_interupt,vaddr,flags); |
429 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
430 | if(ht_bin[0]==vaddr) return (void *)ht_bin[1]; |
431 | if(ht_bin[2]==vaddr) return (void *)ht_bin[3]; |
94d23bb9 |
432 | u_int page=get_page(vaddr); |
433 | u_int vpage=get_vpage(vaddr); |
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434 | struct ll_entry *head; |
435 | head=jump_in[page]; |
436 | while(head!=NULL) { |
437 | if(head->vaddr==vaddr&&(head->reg32&flags)==0) { |
438 | //printf("TRACE: count=%d next=%d (get_addr_32 match %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr); |
439 | if(head->reg32==0) { |
440 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
441 | if(ht_bin[0]==-1) { |
442 | ht_bin[1]=(int)head->addr; |
443 | ht_bin[0]=vaddr; |
444 | }else if(ht_bin[2]==-1) { |
445 | ht_bin[3]=(int)head->addr; |
446 | ht_bin[2]=vaddr; |
447 | } |
448 | //ht_bin[3]=ht_bin[1]; |
449 | //ht_bin[2]=ht_bin[0]; |
450 | //ht_bin[1]=(int)head->addr; |
451 | //ht_bin[0]=vaddr; |
452 | } |
453 | return head->addr; |
454 | } |
455 | head=head->next; |
456 | } |
457 | head=jump_dirty[vpage]; |
458 | while(head!=NULL) { |
459 | if(head->vaddr==vaddr&&(head->reg32&flags)==0) { |
460 | //printf("TRACE: count=%d next=%d (get_addr_32 match dirty %x: %x)\n",Count,next_interupt,vaddr,(int)head->addr); |
461 | // Don't restore blocks which are about to expire from the cache |
462 | if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) |
463 | if(verify_dirty(head->addr)) { |
464 | //printf("restore candidate: %x (%d) d=%d\n",vaddr,page,invalid_code[vaddr>>12]); |
465 | invalid_code[vaddr>>12]=0; |
466 | memory_map[vaddr>>12]|=0x40000000; |
467 | if(vpage<2048) { |
94d23bb9 |
468 | #ifndef DISABLE_TLB |
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469 | if(tlb_LUT_r[vaddr>>12]) { |
470 | invalid_code[tlb_LUT_r[vaddr>>12]>>12]=0; |
471 | memory_map[tlb_LUT_r[vaddr>>12]>>12]|=0x40000000; |
472 | } |
94d23bb9 |
473 | #endif |
57871462 |
474 | restore_candidate[vpage>>3]|=1<<(vpage&7); |
475 | } |
476 | else restore_candidate[page>>3]|=1<<(page&7); |
477 | if(head->reg32==0) { |
478 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
479 | if(ht_bin[0]==-1) { |
480 | ht_bin[1]=(int)head->addr; |
481 | ht_bin[0]=vaddr; |
482 | }else if(ht_bin[2]==-1) { |
483 | ht_bin[3]=(int)head->addr; |
484 | ht_bin[2]=vaddr; |
485 | } |
486 | //ht_bin[3]=ht_bin[1]; |
487 | //ht_bin[2]=ht_bin[0]; |
488 | //ht_bin[1]=(int)head->addr; |
489 | //ht_bin[0]=vaddr; |
490 | } |
491 | return head->addr; |
492 | } |
493 | } |
494 | head=head->next; |
495 | } |
496 | //printf("TRACE: count=%d next=%d (get_addr_32 no-match %x,flags %x)\n",Count,next_interupt,vaddr,flags); |
497 | int r=new_recompile_block(vaddr); |
498 | if(r==0) return get_addr(vaddr); |
499 | // Execute in unmapped page, generate pagefault execption |
500 | Status|=2; |
501 | Cause=(vaddr<<31)|0x8; |
502 | EPC=(vaddr&1)?vaddr-5:vaddr; |
503 | BadVAddr=(vaddr&~1); |
504 | Context=(Context&0xFF80000F)|((BadVAddr>>9)&0x007FFFF0); |
505 | EntryHi=BadVAddr&0xFFFFE000; |
506 | return get_addr_ht(0x80000000); |
560e4a12 |
507 | #endif |
57871462 |
508 | } |
509 | |
510 | void clear_all_regs(signed char regmap[]) |
511 | { |
512 | int hr; |
513 | for (hr=0;hr<HOST_REGS;hr++) regmap[hr]=-1; |
514 | } |
515 | |
516 | signed char get_reg(signed char regmap[],int r) |
517 | { |
518 | int hr; |
519 | for (hr=0;hr<HOST_REGS;hr++) if(hr!=EXCLUDE_REG&®map[hr]==r) return hr; |
520 | return -1; |
521 | } |
522 | |
523 | // Find a register that is available for two consecutive cycles |
524 | signed char get_reg2(signed char regmap1[],signed char regmap2[],int r) |
525 | { |
526 | int hr; |
527 | for (hr=0;hr<HOST_REGS;hr++) if(hr!=EXCLUDE_REG&®map1[hr]==r&®map2[hr]==r) return hr; |
528 | return -1; |
529 | } |
530 | |
531 | int count_free_regs(signed char regmap[]) |
532 | { |
533 | int count=0; |
534 | int hr; |
535 | for(hr=0;hr<HOST_REGS;hr++) |
536 | { |
537 | if(hr!=EXCLUDE_REG) { |
538 | if(regmap[hr]<0) count++; |
539 | } |
540 | } |
541 | return count; |
542 | } |
543 | |
544 | void dirty_reg(struct regstat *cur,signed char reg) |
545 | { |
546 | int hr; |
547 | if(!reg) return; |
548 | for (hr=0;hr<HOST_REGS;hr++) { |
549 | if((cur->regmap[hr]&63)==reg) { |
550 | cur->dirty|=1<<hr; |
551 | } |
552 | } |
553 | } |
554 | |
555 | // If we dirty the lower half of a 64 bit register which is now being |
556 | // sign-extended, we need to dump the upper half. |
557 | // Note: Do this only after completion of the instruction, because |
558 | // some instructions may need to read the full 64-bit value even if |
559 | // overwriting it (eg SLTI, DSRA32). |
560 | static void flush_dirty_uppers(struct regstat *cur) |
561 | { |
562 | int hr,reg; |
563 | for (hr=0;hr<HOST_REGS;hr++) { |
564 | if((cur->dirty>>hr)&1) { |
565 | reg=cur->regmap[hr]; |
566 | if(reg>=64) |
567 | if((cur->is32>>(reg&63))&1) cur->regmap[hr]=-1; |
568 | } |
569 | } |
570 | } |
571 | |
572 | void set_const(struct regstat *cur,signed char reg,uint64_t value) |
573 | { |
574 | int hr; |
575 | if(!reg) return; |
576 | for (hr=0;hr<HOST_REGS;hr++) { |
577 | if(cur->regmap[hr]==reg) { |
578 | cur->isconst|=1<<hr; |
579 | cur->constmap[hr]=value; |
580 | } |
581 | else if((cur->regmap[hr]^64)==reg) { |
582 | cur->isconst|=1<<hr; |
583 | cur->constmap[hr]=value>>32; |
584 | } |
585 | } |
586 | } |
587 | |
588 | void clear_const(struct regstat *cur,signed char reg) |
589 | { |
590 | int hr; |
591 | if(!reg) return; |
592 | for (hr=0;hr<HOST_REGS;hr++) { |
593 | if((cur->regmap[hr]&63)==reg) { |
594 | cur->isconst&=~(1<<hr); |
595 | } |
596 | } |
597 | } |
598 | |
599 | int is_const(struct regstat *cur,signed char reg) |
600 | { |
601 | int hr; |
79c75f1b |
602 | if(reg<0) return 0; |
57871462 |
603 | if(!reg) return 1; |
604 | for (hr=0;hr<HOST_REGS;hr++) { |
605 | if((cur->regmap[hr]&63)==reg) { |
606 | return (cur->isconst>>hr)&1; |
607 | } |
608 | } |
609 | return 0; |
610 | } |
611 | uint64_t get_const(struct regstat *cur,signed char reg) |
612 | { |
613 | int hr; |
614 | if(!reg) return 0; |
615 | for (hr=0;hr<HOST_REGS;hr++) { |
616 | if(cur->regmap[hr]==reg) { |
617 | return cur->constmap[hr]; |
618 | } |
619 | } |
620 | printf("Unknown constant in r%d\n",reg); |
621 | exit(1); |
622 | } |
623 | |
624 | // Least soon needed registers |
625 | // Look at the next ten instructions and see which registers |
626 | // will be used. Try not to reallocate these. |
627 | void lsn(u_char hsn[], int i, int *preferred_reg) |
628 | { |
629 | int j; |
630 | int b=-1; |
631 | for(j=0;j<9;j++) |
632 | { |
633 | if(i+j>=slen) { |
634 | j=slen-i-1; |
635 | break; |
636 | } |
637 | if(itype[i+j]==UJUMP||itype[i+j]==RJUMP||(source[i+j]>>16)==0x1000) |
638 | { |
639 | // Don't go past an unconditonal jump |
640 | j++; |
641 | break; |
642 | } |
643 | } |
644 | for(;j>=0;j--) |
645 | { |
646 | if(rs1[i+j]) hsn[rs1[i+j]]=j; |
647 | if(rs2[i+j]) hsn[rs2[i+j]]=j; |
648 | if(rt1[i+j]) hsn[rt1[i+j]]=j; |
649 | if(rt2[i+j]) hsn[rt2[i+j]]=j; |
650 | if(itype[i+j]==STORE || itype[i+j]==STORELR) { |
651 | // Stores can allocate zero |
652 | hsn[rs1[i+j]]=j; |
653 | hsn[rs2[i+j]]=j; |
654 | } |
655 | // On some architectures stores need invc_ptr |
656 | #if defined(HOST_IMM8) |
b9b61529 |
657 | if(itype[i+j]==STORE || itype[i+j]==STORELR || (opcode[i+j]&0x3b)==0x39 || (opcode[i+j]&0x3b)==0x3a) { |
57871462 |
658 | hsn[INVCP]=j; |
659 | } |
660 | #endif |
661 | if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP||itype[i+j]==FJUMP)) |
662 | { |
663 | hsn[CCREG]=j; |
664 | b=j; |
665 | } |
666 | } |
667 | if(b>=0) |
668 | { |
669 | if(ba[i+b]>=start && ba[i+b]<(start+slen*4)) |
670 | { |
671 | // Follow first branch |
672 | int t=(ba[i+b]-start)>>2; |
673 | j=7-b;if(t+j>=slen) j=slen-t-1; |
674 | for(;j>=0;j--) |
675 | { |
676 | if(rs1[t+j]) if(hsn[rs1[t+j]]>j+b+2) hsn[rs1[t+j]]=j+b+2; |
677 | if(rs2[t+j]) if(hsn[rs2[t+j]]>j+b+2) hsn[rs2[t+j]]=j+b+2; |
678 | //if(rt1[t+j]) if(hsn[rt1[t+j]]>j+b+2) hsn[rt1[t+j]]=j+b+2; |
679 | //if(rt2[t+j]) if(hsn[rt2[t+j]]>j+b+2) hsn[rt2[t+j]]=j+b+2; |
680 | } |
681 | } |
682 | // TODO: preferred register based on backward branch |
683 | } |
684 | // Delay slot should preferably not overwrite branch conditions or cycle count |
685 | if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP)) { |
686 | if(rs1[i-1]) if(hsn[rs1[i-1]]>1) hsn[rs1[i-1]]=1; |
687 | if(rs2[i-1]) if(hsn[rs2[i-1]]>1) hsn[rs2[i-1]]=1; |
688 | hsn[CCREG]=1; |
689 | // ...or hash tables |
690 | hsn[RHASH]=1; |
691 | hsn[RHTBL]=1; |
692 | } |
d5910d5d |
693 | // due to the way JAL(R) is currently done we need DS not to evict $ra |
694 | if(i>0&&(itype[i-1]==RJUMP||itype[i-1]!=UJUMP)&&rt1[i-1]!=0) { |
695 | hsn[rt1[i-1]]=0; |
748406cf |
696 | } |
57871462 |
697 | // Coprocessor load/store needs FTEMP, even if not declared |
b9b61529 |
698 | if(itype[i]==C1LS||itype[i]==C2LS) { |
57871462 |
699 | hsn[FTEMP]=0; |
700 | } |
701 | // Load L/R also uses FTEMP as a temporary register |
702 | if(itype[i]==LOADLR) { |
703 | hsn[FTEMP]=0; |
704 | } |
b7918751 |
705 | // Also SWL/SWR/SDL/SDR |
706 | if(opcode[i]==0x2a||opcode[i]==0x2e||opcode[i]==0x2c||opcode[i]==0x2d) { |
57871462 |
707 | hsn[FTEMP]=0; |
708 | } |
709 | // Don't remove the TLB registers either |
b9b61529 |
710 | if(itype[i]==LOAD || itype[i]==LOADLR || itype[i]==STORE || itype[i]==STORELR || itype[i]==C1LS || itype[i]==C2LS) { |
57871462 |
711 | hsn[TLREG]=0; |
712 | } |
713 | // Don't remove the miniht registers |
714 | if(itype[i]==UJUMP||itype[i]==RJUMP) |
715 | { |
716 | hsn[RHASH]=0; |
717 | hsn[RHTBL]=0; |
718 | } |
719 | } |
720 | |
721 | // We only want to allocate registers if we're going to use them again soon |
722 | int needed_again(int r, int i) |
723 | { |
724 | int j; |
725 | int b=-1; |
726 | int rn=10; |
57871462 |
727 | |
728 | if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000)) |
729 | { |
730 | if(ba[i-1]<start || ba[i-1]>start+slen*4-4) |
731 | return 0; // Don't need any registers if exiting the block |
732 | } |
733 | for(j=0;j<9;j++) |
734 | { |
735 | if(i+j>=slen) { |
736 | j=slen-i-1; |
737 | break; |
738 | } |
739 | if(itype[i+j]==UJUMP||itype[i+j]==RJUMP||(source[i+j]>>16)==0x1000) |
740 | { |
741 | // Don't go past an unconditonal jump |
742 | j++; |
743 | break; |
744 | } |
1e973cb0 |
745 | if(itype[i+j]==SYSCALL||itype[i+j]==HLECALL||itype[i+j]==INTCALL||((source[i+j]&0xfc00003f)==0x0d)) |
57871462 |
746 | { |
747 | break; |
748 | } |
749 | } |
750 | for(;j>=1;j--) |
751 | { |
752 | if(rs1[i+j]==r) rn=j; |
753 | if(rs2[i+j]==r) rn=j; |
754 | if((unneeded_reg[i+j]>>r)&1) rn=10; |
755 | if(i+j>=0&&(itype[i+j]==UJUMP||itype[i+j]==CJUMP||itype[i+j]==SJUMP||itype[i+j]==FJUMP)) |
756 | { |
757 | b=j; |
758 | } |
759 | } |
760 | /* |
761 | if(b>=0) |
762 | { |
763 | if(ba[i+b]>=start && ba[i+b]<(start+slen*4)) |
764 | { |
765 | // Follow first branch |
766 | int o=rn; |
767 | int t=(ba[i+b]-start)>>2; |
768 | j=7-b;if(t+j>=slen) j=slen-t-1; |
769 | for(;j>=0;j--) |
770 | { |
771 | if(!((unneeded_reg[t+j]>>r)&1)) { |
772 | if(rs1[t+j]==r) if(rn>j+b+2) rn=j+b+2; |
773 | if(rs2[t+j]==r) if(rn>j+b+2) rn=j+b+2; |
774 | } |
775 | else rn=o; |
776 | } |
777 | } |
778 | }*/ |
b7217e13 |
779 | if(rn<10) return 1; |
57871462 |
780 | return 0; |
781 | } |
782 | |
783 | // Try to match register allocations at the end of a loop with those |
784 | // at the beginning |
785 | int loop_reg(int i, int r, int hr) |
786 | { |
787 | int j,k; |
788 | for(j=0;j<9;j++) |
789 | { |
790 | if(i+j>=slen) { |
791 | j=slen-i-1; |
792 | break; |
793 | } |
794 | if(itype[i+j]==UJUMP||itype[i+j]==RJUMP||(source[i+j]>>16)==0x1000) |
795 | { |
796 | // Don't go past an unconditonal jump |
797 | j++; |
798 | break; |
799 | } |
800 | } |
801 | k=0; |
802 | if(i>0){ |
803 | if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP) |
804 | k--; |
805 | } |
806 | for(;k<j;k++) |
807 | { |
808 | if(r<64&&((unneeded_reg[i+k]>>r)&1)) return hr; |
809 | if(r>64&&((unneeded_reg_upper[i+k]>>r)&1)) return hr; |
810 | if(i+k>=0&&(itype[i+k]==UJUMP||itype[i+k]==CJUMP||itype[i+k]==SJUMP||itype[i+k]==FJUMP)) |
811 | { |
812 | if(ba[i+k]>=start && ba[i+k]<(start+i*4)) |
813 | { |
814 | int t=(ba[i+k]-start)>>2; |
815 | int reg=get_reg(regs[t].regmap_entry,r); |
816 | if(reg>=0) return reg; |
817 | //reg=get_reg(regs[t+1].regmap_entry,r); |
818 | //if(reg>=0) return reg; |
819 | } |
820 | } |
821 | } |
822 | return hr; |
823 | } |
824 | |
825 | |
826 | // Allocate every register, preserving source/target regs |
827 | void alloc_all(struct regstat *cur,int i) |
828 | { |
829 | int hr; |
830 | |
831 | for(hr=0;hr<HOST_REGS;hr++) { |
832 | if(hr!=EXCLUDE_REG) { |
833 | if(((cur->regmap[hr]&63)!=rs1[i])&&((cur->regmap[hr]&63)!=rs2[i])&& |
834 | ((cur->regmap[hr]&63)!=rt1[i])&&((cur->regmap[hr]&63)!=rt2[i])) |
835 | { |
836 | cur->regmap[hr]=-1; |
837 | cur->dirty&=~(1<<hr); |
838 | } |
839 | // Don't need zeros |
840 | if((cur->regmap[hr]&63)==0) |
841 | { |
842 | cur->regmap[hr]=-1; |
843 | cur->dirty&=~(1<<hr); |
844 | } |
845 | } |
846 | } |
847 | } |
848 | |
849 | |
850 | void div64(int64_t dividend,int64_t divisor) |
851 | { |
852 | lo=dividend/divisor; |
853 | hi=dividend%divisor; |
854 | //printf("TRACE: ddiv %8x%8x %8x%8x\n" ,(int)reg[HIREG],(int)(reg[HIREG]>>32) |
855 | // ,(int)reg[LOREG],(int)(reg[LOREG]>>32)); |
856 | } |
857 | void divu64(uint64_t dividend,uint64_t divisor) |
858 | { |
859 | lo=dividend/divisor; |
860 | hi=dividend%divisor; |
861 | //printf("TRACE: ddivu %8x%8x %8x%8x\n",(int)reg[HIREG],(int)(reg[HIREG]>>32) |
862 | // ,(int)reg[LOREG],(int)(reg[LOREG]>>32)); |
863 | } |
864 | |
865 | void mult64(uint64_t m1,uint64_t m2) |
866 | { |
867 | unsigned long long int op1, op2, op3, op4; |
868 | unsigned long long int result1, result2, result3, result4; |
869 | unsigned long long int temp1, temp2, temp3, temp4; |
870 | int sign = 0; |
871 | |
872 | if (m1 < 0) |
873 | { |
874 | op2 = -m1; |
875 | sign = 1 - sign; |
876 | } |
877 | else op2 = m1; |
878 | if (m2 < 0) |
879 | { |
880 | op4 = -m2; |
881 | sign = 1 - sign; |
882 | } |
883 | else op4 = m2; |
884 | |
885 | op1 = op2 & 0xFFFFFFFF; |
886 | op2 = (op2 >> 32) & 0xFFFFFFFF; |
887 | op3 = op4 & 0xFFFFFFFF; |
888 | op4 = (op4 >> 32) & 0xFFFFFFFF; |
889 | |
890 | temp1 = op1 * op3; |
891 | temp2 = (temp1 >> 32) + op1 * op4; |
892 | temp3 = op2 * op3; |
893 | temp4 = (temp3 >> 32) + op2 * op4; |
894 | |
895 | result1 = temp1 & 0xFFFFFFFF; |
896 | result2 = temp2 + (temp3 & 0xFFFFFFFF); |
897 | result3 = (result2 >> 32) + temp4; |
898 | result4 = (result3 >> 32); |
899 | |
900 | lo = result1 | (result2 << 32); |
901 | hi = (result3 & 0xFFFFFFFF) | (result4 << 32); |
902 | if (sign) |
903 | { |
904 | hi = ~hi; |
905 | if (!lo) hi++; |
906 | else lo = ~lo + 1; |
907 | } |
908 | } |
909 | |
910 | void multu64(uint64_t m1,uint64_t m2) |
911 | { |
912 | unsigned long long int op1, op2, op3, op4; |
913 | unsigned long long int result1, result2, result3, result4; |
914 | unsigned long long int temp1, temp2, temp3, temp4; |
915 | |
916 | op1 = m1 & 0xFFFFFFFF; |
917 | op2 = (m1 >> 32) & 0xFFFFFFFF; |
918 | op3 = m2 & 0xFFFFFFFF; |
919 | op4 = (m2 >> 32) & 0xFFFFFFFF; |
920 | |
921 | temp1 = op1 * op3; |
922 | temp2 = (temp1 >> 32) + op1 * op4; |
923 | temp3 = op2 * op3; |
924 | temp4 = (temp3 >> 32) + op2 * op4; |
925 | |
926 | result1 = temp1 & 0xFFFFFFFF; |
927 | result2 = temp2 + (temp3 & 0xFFFFFFFF); |
928 | result3 = (result2 >> 32) + temp4; |
929 | result4 = (result3 >> 32); |
930 | |
931 | lo = result1 | (result2 << 32); |
932 | hi = (result3 & 0xFFFFFFFF) | (result4 << 32); |
933 | |
934 | //printf("TRACE: dmultu %8x%8x %8x%8x\n",(int)reg[HIREG],(int)(reg[HIREG]>>32) |
935 | // ,(int)reg[LOREG],(int)(reg[LOREG]>>32)); |
936 | } |
937 | |
938 | uint64_t ldl_merge(uint64_t original,uint64_t loaded,u_int bits) |
939 | { |
940 | if(bits) { |
941 | original<<=64-bits; |
942 | original>>=64-bits; |
943 | loaded<<=bits; |
944 | original|=loaded; |
945 | } |
946 | else original=loaded; |
947 | return original; |
948 | } |
949 | uint64_t ldr_merge(uint64_t original,uint64_t loaded,u_int bits) |
950 | { |
951 | if(bits^56) { |
952 | original>>=64-(bits^56); |
953 | original<<=64-(bits^56); |
954 | loaded>>=bits^56; |
955 | original|=loaded; |
956 | } |
957 | else original=loaded; |
958 | return original; |
959 | } |
960 | |
961 | #ifdef __i386__ |
962 | #include "assem_x86.c" |
963 | #endif |
964 | #ifdef __x86_64__ |
965 | #include "assem_x64.c" |
966 | #endif |
967 | #ifdef __arm__ |
968 | #include "assem_arm.c" |
969 | #endif |
970 | |
971 | // Add virtual address mapping to linked list |
972 | void ll_add(struct ll_entry **head,int vaddr,void *addr) |
973 | { |
974 | struct ll_entry *new_entry; |
975 | new_entry=malloc(sizeof(struct ll_entry)); |
976 | assert(new_entry!=NULL); |
977 | new_entry->vaddr=vaddr; |
978 | new_entry->reg32=0; |
979 | new_entry->addr=addr; |
980 | new_entry->next=*head; |
981 | *head=new_entry; |
982 | } |
983 | |
984 | // Add virtual address mapping for 32-bit compiled block |
985 | void ll_add_32(struct ll_entry **head,int vaddr,u_int reg32,void *addr) |
986 | { |
7139f3c8 |
987 | ll_add(head,vaddr,addr); |
988 | #ifndef FORCE32 |
989 | (*head)->reg32=reg32; |
990 | #endif |
57871462 |
991 | } |
992 | |
993 | // Check if an address is already compiled |
994 | // but don't return addresses which are about to expire from the cache |
995 | void *check_addr(u_int vaddr) |
996 | { |
997 | u_int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
998 | if(ht_bin[0]==vaddr) { |
999 | if(((ht_bin[1]-MAX_OUTPUT_BLOCK_SIZE-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) |
1000 | if(isclean(ht_bin[1])) return (void *)ht_bin[1]; |
1001 | } |
1002 | if(ht_bin[2]==vaddr) { |
1003 | if(((ht_bin[3]-MAX_OUTPUT_BLOCK_SIZE-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) |
1004 | if(isclean(ht_bin[3])) return (void *)ht_bin[3]; |
1005 | } |
94d23bb9 |
1006 | u_int page=get_page(vaddr); |
57871462 |
1007 | struct ll_entry *head; |
1008 | head=jump_in[page]; |
1009 | while(head!=NULL) { |
1010 | if(head->vaddr==vaddr&&head->reg32==0) { |
1011 | if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) { |
1012 | // Update existing entry with current address |
1013 | if(ht_bin[0]==vaddr) { |
1014 | ht_bin[1]=(int)head->addr; |
1015 | return head->addr; |
1016 | } |
1017 | if(ht_bin[2]==vaddr) { |
1018 | ht_bin[3]=(int)head->addr; |
1019 | return head->addr; |
1020 | } |
1021 | // Insert into hash table with low priority. |
1022 | // Don't evict existing entries, as they are probably |
1023 | // addresses that are being accessed frequently. |
1024 | if(ht_bin[0]==-1) { |
1025 | ht_bin[1]=(int)head->addr; |
1026 | ht_bin[0]=vaddr; |
1027 | }else if(ht_bin[2]==-1) { |
1028 | ht_bin[3]=(int)head->addr; |
1029 | ht_bin[2]=vaddr; |
1030 | } |
1031 | return head->addr; |
1032 | } |
1033 | } |
1034 | head=head->next; |
1035 | } |
1036 | return 0; |
1037 | } |
1038 | |
1039 | void remove_hash(int vaddr) |
1040 | { |
1041 | //printf("remove hash: %x\n",vaddr); |
1042 | int *ht_bin=hash_table[(((vaddr)>>16)^vaddr)&0xFFFF]; |
1043 | if(ht_bin[2]==vaddr) { |
1044 | ht_bin[2]=ht_bin[3]=-1; |
1045 | } |
1046 | if(ht_bin[0]==vaddr) { |
1047 | ht_bin[0]=ht_bin[2]; |
1048 | ht_bin[1]=ht_bin[3]; |
1049 | ht_bin[2]=ht_bin[3]=-1; |
1050 | } |
1051 | } |
1052 | |
1053 | void ll_remove_matching_addrs(struct ll_entry **head,int addr,int shift) |
1054 | { |
1055 | struct ll_entry *next; |
1056 | while(*head) { |
1057 | if(((u_int)((*head)->addr)>>shift)==(addr>>shift) || |
1058 | ((u_int)((*head)->addr-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(addr>>shift)) |
1059 | { |
1060 | inv_debug("EXP: Remove pointer to %x (%x)\n",(int)(*head)->addr,(*head)->vaddr); |
1061 | remove_hash((*head)->vaddr); |
1062 | next=(*head)->next; |
1063 | free(*head); |
1064 | *head=next; |
1065 | } |
1066 | else |
1067 | { |
1068 | head=&((*head)->next); |
1069 | } |
1070 | } |
1071 | } |
1072 | |
1073 | // Remove all entries from linked list |
1074 | void ll_clear(struct ll_entry **head) |
1075 | { |
1076 | struct ll_entry *cur; |
1077 | struct ll_entry *next; |
1078 | if(cur=*head) { |
1079 | *head=0; |
1080 | while(cur) { |
1081 | next=cur->next; |
1082 | free(cur); |
1083 | cur=next; |
1084 | } |
1085 | } |
1086 | } |
1087 | |
1088 | // Dereference the pointers and remove if it matches |
1089 | void ll_kill_pointers(struct ll_entry *head,int addr,int shift) |
1090 | { |
1091 | while(head) { |
1092 | int ptr=get_pointer(head->addr); |
1093 | inv_debug("EXP: Lookup pointer to %x at %x (%x)\n",(int)ptr,(int)head->addr,head->vaddr); |
1094 | if(((ptr>>shift)==(addr>>shift)) || |
1095 | (((ptr-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(addr>>shift))) |
1096 | { |
5088bb70 |
1097 | inv_debug("EXP: Kill pointer at %x (%x)\n",(int)head->addr,head->vaddr); |
f76eeef9 |
1098 | u_int host_addr=(u_int)kill_pointer(head->addr); |
dd3a91a1 |
1099 | #ifdef __arm__ |
1100 | needs_clear_cache[(host_addr-(u_int)BASE_ADDR)>>17]|=1<<(((host_addr-(u_int)BASE_ADDR)>>12)&31); |
1101 | #endif |
57871462 |
1102 | } |
1103 | head=head->next; |
1104 | } |
1105 | } |
1106 | |
1107 | // This is called when we write to a compiled block (see do_invstub) |
f76eeef9 |
1108 | void invalidate_page(u_int page) |
57871462 |
1109 | { |
57871462 |
1110 | struct ll_entry *head; |
1111 | struct ll_entry *next; |
1112 | head=jump_in[page]; |
1113 | jump_in[page]=0; |
1114 | while(head!=NULL) { |
1115 | inv_debug("INVALIDATE: %x\n",head->vaddr); |
1116 | remove_hash(head->vaddr); |
1117 | next=head->next; |
1118 | free(head); |
1119 | head=next; |
1120 | } |
1121 | head=jump_out[page]; |
1122 | jump_out[page]=0; |
1123 | while(head!=NULL) { |
1124 | inv_debug("INVALIDATE: kill pointer to %x (%x)\n",head->vaddr,(int)head->addr); |
f76eeef9 |
1125 | u_int host_addr=(u_int)kill_pointer(head->addr); |
dd3a91a1 |
1126 | #ifdef __arm__ |
1127 | needs_clear_cache[(host_addr-(u_int)BASE_ADDR)>>17]|=1<<(((host_addr-(u_int)BASE_ADDR)>>12)&31); |
1128 | #endif |
57871462 |
1129 | next=head->next; |
1130 | free(head); |
1131 | head=next; |
1132 | } |
57871462 |
1133 | } |
1134 | void invalidate_block(u_int block) |
1135 | { |
94d23bb9 |
1136 | u_int page=get_page(block<<12); |
1137 | u_int vpage=get_vpage(block<<12); |
57871462 |
1138 | inv_debug("INVALIDATE: %x (%d)\n",block<<12,page); |
1139 | //inv_debug("invalid_code[block]=%d\n",invalid_code[block]); |
1140 | u_int first,last; |
1141 | first=last=page; |
1142 | struct ll_entry *head; |
1143 | head=jump_dirty[vpage]; |
1144 | //printf("page=%d vpage=%d\n",page,vpage); |
1145 | while(head!=NULL) { |
1146 | u_int start,end; |
1147 | if(vpage>2047||(head->vaddr>>12)==block) { // Ignore vaddr hash collision |
1148 | get_bounds((int)head->addr,&start,&end); |
1149 | //printf("start: %x end: %x\n",start,end); |
4cb76aa4 |
1150 | if(page<2048&&start>=0x80000000&&end<0x80000000+RAM_SIZE) { |
57871462 |
1151 | if(((start-(u_int)rdram)>>12)<=page&&((end-1-(u_int)rdram)>>12)>=page) { |
1152 | if((((start-(u_int)rdram)>>12)&2047)<first) first=((start-(u_int)rdram)>>12)&2047; |
1153 | if((((end-1-(u_int)rdram)>>12)&2047)>last) last=((end-1-(u_int)rdram)>>12)&2047; |
1154 | } |
1155 | } |
90ae6d4e |
1156 | #ifndef DISABLE_TLB |
57871462 |
1157 | if(page<2048&&(signed int)start>=(signed int)0xC0000000&&(signed int)end>=(signed int)0xC0000000) { |
1158 | if(((start+memory_map[start>>12]-(u_int)rdram)>>12)<=page&&((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)>=page) { |
1159 | if((((start+memory_map[start>>12]-(u_int)rdram)>>12)&2047)<first) first=((start+memory_map[start>>12]-(u_int)rdram)>>12)&2047; |
1160 | if((((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)&2047)>last) last=((end-1+memory_map[(end-1)>>12]-(u_int)rdram)>>12)&2047; |
1161 | } |
1162 | } |
90ae6d4e |
1163 | #endif |
57871462 |
1164 | } |
1165 | head=head->next; |
1166 | } |
1167 | //printf("first=%d last=%d\n",first,last); |
f76eeef9 |
1168 | invalidate_page(page); |
57871462 |
1169 | assert(first+5>page); // NB: this assumes MAXBLOCK<=4096 (4 pages) |
1170 | assert(last<page+5); |
1171 | // Invalidate the adjacent pages if a block crosses a 4K boundary |
1172 | while(first<page) { |
1173 | invalidate_page(first); |
1174 | first++; |
1175 | } |
1176 | for(first=page+1;first<last;first++) { |
1177 | invalidate_page(first); |
1178 | } |
dd3a91a1 |
1179 | #ifdef __arm__ |
1180 | do_clear_cache(); |
1181 | #endif |
57871462 |
1182 | |
1183 | // Don't trap writes |
1184 | invalid_code[block]=1; |
b12c9fb8 |
1185 | #ifdef PCSX |
1186 | invalid_code[((u_int)0x80000000>>12)|page]=1; |
1187 | #endif |
94d23bb9 |
1188 | #ifndef DISABLE_TLB |
57871462 |
1189 | // If there is a valid TLB entry for this page, remove write protect |
1190 | if(tlb_LUT_w[block]) { |
1191 | assert(tlb_LUT_r[block]==tlb_LUT_w[block]); |
1192 | // CHECK: Is this right? |
1193 | memory_map[block]=((tlb_LUT_w[block]&0xFFFFF000)-(block<<12)+(unsigned int)rdram-0x80000000)>>2; |
1194 | u_int real_block=tlb_LUT_w[block]>>12; |
1195 | invalid_code[real_block]=1; |
1196 | if(real_block>=0x80000&&real_block<0x80800) memory_map[real_block]=((u_int)rdram-0x80000000)>>2; |
1197 | } |
1198 | else if(block>=0x80000&&block<0x80800) memory_map[block]=((u_int)rdram-0x80000000)>>2; |
94d23bb9 |
1199 | #endif |
f76eeef9 |
1200 | |
57871462 |
1201 | #ifdef USE_MINI_HT |
1202 | memset(mini_ht,-1,sizeof(mini_ht)); |
1203 | #endif |
1204 | } |
1205 | void invalidate_addr(u_int addr) |
1206 | { |
1207 | invalidate_block(addr>>12); |
1208 | } |
dd3a91a1 |
1209 | // This is called when loading a save state. |
1210 | // Anything could have changed, so invalidate everything. |
57871462 |
1211 | void invalidate_all_pages() |
1212 | { |
1213 | u_int page,n; |
1214 | for(page=0;page<4096;page++) |
1215 | invalidate_page(page); |
1216 | for(page=0;page<1048576;page++) |
1217 | if(!invalid_code[page]) { |
1218 | restore_candidate[(page&2047)>>3]|=1<<(page&7); |
1219 | restore_candidate[((page&2047)>>3)+256]|=1<<(page&7); |
1220 | } |
1221 | #ifdef __arm__ |
1222 | __clear_cache((void *)BASE_ADDR,(void *)BASE_ADDR+(1<<TARGET_SIZE_2)); |
1223 | #endif |
1224 | #ifdef USE_MINI_HT |
1225 | memset(mini_ht,-1,sizeof(mini_ht)); |
1226 | #endif |
94d23bb9 |
1227 | #ifndef DISABLE_TLB |
57871462 |
1228 | // TLB |
1229 | for(page=0;page<0x100000;page++) { |
1230 | if(tlb_LUT_r[page]) { |
1231 | memory_map[page]=((tlb_LUT_r[page]&0xFFFFF000)-(page<<12)+(unsigned int)rdram-0x80000000)>>2; |
1232 | if(!tlb_LUT_w[page]||!invalid_code[page]) |
1233 | memory_map[page]|=0x40000000; // Write protect |
1234 | } |
1235 | else memory_map[page]=-1; |
1236 | if(page==0x80000) page=0xC0000; |
1237 | } |
1238 | tlb_hacks(); |
94d23bb9 |
1239 | #endif |
57871462 |
1240 | } |
1241 | |
1242 | // Add an entry to jump_out after making a link |
1243 | void add_link(u_int vaddr,void *src) |
1244 | { |
94d23bb9 |
1245 | u_int page=get_page(vaddr); |
57871462 |
1246 | inv_debug("add_link: %x -> %x (%d)\n",(int)src,vaddr,page); |
1247 | ll_add(jump_out+page,vaddr,src); |
1248 | //int ptr=get_pointer(src); |
1249 | //inv_debug("add_link: Pointer is to %x\n",(int)ptr); |
1250 | } |
1251 | |
1252 | // If a code block was found to be unmodified (bit was set in |
1253 | // restore_candidate) and it remains unmodified (bit is clear |
1254 | // in invalid_code) then move the entries for that 4K page from |
1255 | // the dirty list to the clean list. |
1256 | void clean_blocks(u_int page) |
1257 | { |
1258 | struct ll_entry *head; |
1259 | inv_debug("INV: clean_blocks page=%d\n",page); |
1260 | head=jump_dirty[page]; |
1261 | while(head!=NULL) { |
1262 | if(!invalid_code[head->vaddr>>12]) { |
1263 | // Don't restore blocks which are about to expire from the cache |
1264 | if((((u_int)head->addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) { |
1265 | u_int start,end; |
1266 | if(verify_dirty((int)head->addr)) { |
1267 | //printf("Possibly Restore %x (%x)\n",head->vaddr, (int)head->addr); |
1268 | u_int i; |
1269 | u_int inv=0; |
1270 | get_bounds((int)head->addr,&start,&end); |
4cb76aa4 |
1271 | if(start-(u_int)rdram<RAM_SIZE) { |
57871462 |
1272 | for(i=(start-(u_int)rdram+0x80000000)>>12;i<=(end-1-(u_int)rdram+0x80000000)>>12;i++) { |
1273 | inv|=invalid_code[i]; |
1274 | } |
1275 | } |
1276 | if((signed int)head->vaddr>=(signed int)0xC0000000) { |
1277 | u_int addr = (head->vaddr+(memory_map[head->vaddr>>12]<<2)); |
1278 | //printf("addr=%x start=%x end=%x\n",addr,start,end); |
1279 | if(addr<start||addr>=end) inv=1; |
1280 | } |
4cb76aa4 |
1281 | else if((signed int)head->vaddr>=(signed int)0x80000000+RAM_SIZE) { |
57871462 |
1282 | inv=1; |
1283 | } |
1284 | if(!inv) { |
1285 | void * clean_addr=(void *)get_clean_addr((int)head->addr); |
1286 | if((((u_int)clean_addr-(u_int)out)<<(32-TARGET_SIZE_2))>0x60000000+(MAX_OUTPUT_BLOCK_SIZE<<(32-TARGET_SIZE_2))) { |
1287 | u_int ppage=page; |
94d23bb9 |
1288 | #ifndef DISABLE_TLB |
57871462 |
1289 | if(page<2048&&tlb_LUT_r[head->vaddr>>12]) ppage=(tlb_LUT_r[head->vaddr>>12]^0x80000000)>>12; |
94d23bb9 |
1290 | #endif |
57871462 |
1291 | inv_debug("INV: Restored %x (%x/%x)\n",head->vaddr, (int)head->addr, (int)clean_addr); |
1292 | //printf("page=%x, addr=%x\n",page,head->vaddr); |
1293 | //assert(head->vaddr>>12==(page|0x80000)); |
1294 | ll_add_32(jump_in+ppage,head->vaddr,head->reg32,clean_addr); |
1295 | int *ht_bin=hash_table[((head->vaddr>>16)^head->vaddr)&0xFFFF]; |
1296 | if(!head->reg32) { |
1297 | if(ht_bin[0]==head->vaddr) { |
1298 | ht_bin[1]=(int)clean_addr; // Replace existing entry |
1299 | } |
1300 | if(ht_bin[2]==head->vaddr) { |
1301 | ht_bin[3]=(int)clean_addr; // Replace existing entry |
1302 | } |
1303 | } |
1304 | } |
1305 | } |
1306 | } |
1307 | } |
1308 | } |
1309 | head=head->next; |
1310 | } |
1311 | } |
1312 | |
1313 | |
1314 | void mov_alloc(struct regstat *current,int i) |
1315 | { |
1316 | // Note: Don't need to actually alloc the source registers |
1317 | if((~current->is32>>rs1[i])&1) { |
1318 | //alloc_reg64(current,i,rs1[i]); |
1319 | alloc_reg64(current,i,rt1[i]); |
1320 | current->is32&=~(1LL<<rt1[i]); |
1321 | } else { |
1322 | //alloc_reg(current,i,rs1[i]); |
1323 | alloc_reg(current,i,rt1[i]); |
1324 | current->is32|=(1LL<<rt1[i]); |
1325 | } |
1326 | clear_const(current,rs1[i]); |
1327 | clear_const(current,rt1[i]); |
1328 | dirty_reg(current,rt1[i]); |
1329 | } |
1330 | |
1331 | void shiftimm_alloc(struct regstat *current,int i) |
1332 | { |
1333 | clear_const(current,rs1[i]); |
1334 | clear_const(current,rt1[i]); |
1335 | if(opcode2[i]<=0x3) // SLL/SRL/SRA |
1336 | { |
1337 | if(rt1[i]) { |
1338 | if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1339 | else lt1[i]=rs1[i]; |
1340 | alloc_reg(current,i,rt1[i]); |
1341 | current->is32|=1LL<<rt1[i]; |
1342 | dirty_reg(current,rt1[i]); |
1343 | } |
1344 | } |
1345 | if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA |
1346 | { |
1347 | if(rt1[i]) { |
1348 | if(rs1[i]) alloc_reg64(current,i,rs1[i]); |
1349 | alloc_reg64(current,i,rt1[i]); |
1350 | current->is32&=~(1LL<<rt1[i]); |
1351 | dirty_reg(current,rt1[i]); |
1352 | } |
1353 | } |
1354 | if(opcode2[i]==0x3c) // DSLL32 |
1355 | { |
1356 | if(rt1[i]) { |
1357 | if(rs1[i]) alloc_reg(current,i,rs1[i]); |
1358 | alloc_reg64(current,i,rt1[i]); |
1359 | current->is32&=~(1LL<<rt1[i]); |
1360 | dirty_reg(current,rt1[i]); |
1361 | } |
1362 | } |
1363 | if(opcode2[i]==0x3e) // DSRL32 |
1364 | { |
1365 | if(rt1[i]) { |
1366 | alloc_reg64(current,i,rs1[i]); |
1367 | if(imm[i]==32) { |
1368 | alloc_reg64(current,i,rt1[i]); |
1369 | current->is32&=~(1LL<<rt1[i]); |
1370 | } else { |
1371 | alloc_reg(current,i,rt1[i]); |
1372 | current->is32|=1LL<<rt1[i]; |
1373 | } |
1374 | dirty_reg(current,rt1[i]); |
1375 | } |
1376 | } |
1377 | if(opcode2[i]==0x3f) // DSRA32 |
1378 | { |
1379 | if(rt1[i]) { |
1380 | alloc_reg64(current,i,rs1[i]); |
1381 | alloc_reg(current,i,rt1[i]); |
1382 | current->is32|=1LL<<rt1[i]; |
1383 | dirty_reg(current,rt1[i]); |
1384 | } |
1385 | } |
1386 | } |
1387 | |
1388 | void shift_alloc(struct regstat *current,int i) |
1389 | { |
1390 | if(rt1[i]) { |
1391 | if(opcode2[i]<=0x07) // SLLV/SRLV/SRAV |
1392 | { |
1393 | if(rs1[i]) alloc_reg(current,i,rs1[i]); |
1394 | if(rs2[i]) alloc_reg(current,i,rs2[i]); |
1395 | alloc_reg(current,i,rt1[i]); |
e1190b87 |
1396 | if(rt1[i]==rs2[i]) { |
1397 | alloc_reg_temp(current,i,-1); |
1398 | minimum_free_regs[i]=1; |
1399 | } |
57871462 |
1400 | current->is32|=1LL<<rt1[i]; |
1401 | } else { // DSLLV/DSRLV/DSRAV |
1402 | if(rs1[i]) alloc_reg64(current,i,rs1[i]); |
1403 | if(rs2[i]) alloc_reg(current,i,rs2[i]); |
1404 | alloc_reg64(current,i,rt1[i]); |
1405 | current->is32&=~(1LL<<rt1[i]); |
1406 | if(opcode2[i]==0x16||opcode2[i]==0x17) // DSRLV and DSRAV need a temporary register |
e1190b87 |
1407 | { |
57871462 |
1408 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1409 | minimum_free_regs[i]=1; |
1410 | } |
57871462 |
1411 | } |
1412 | clear_const(current,rs1[i]); |
1413 | clear_const(current,rs2[i]); |
1414 | clear_const(current,rt1[i]); |
1415 | dirty_reg(current,rt1[i]); |
1416 | } |
1417 | } |
1418 | |
1419 | void alu_alloc(struct regstat *current,int i) |
1420 | { |
1421 | if(opcode2[i]>=0x20&&opcode2[i]<=0x23) { // ADD/ADDU/SUB/SUBU |
1422 | if(rt1[i]) { |
1423 | if(rs1[i]&&rs2[i]) { |
1424 | alloc_reg(current,i,rs1[i]); |
1425 | alloc_reg(current,i,rs2[i]); |
1426 | } |
1427 | else { |
1428 | if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1429 | if(rs2[i]&&needed_again(rs2[i],i)) alloc_reg(current,i,rs2[i]); |
1430 | } |
1431 | alloc_reg(current,i,rt1[i]); |
1432 | } |
1433 | current->is32|=1LL<<rt1[i]; |
1434 | } |
1435 | if(opcode2[i]==0x2a||opcode2[i]==0x2b) { // SLT/SLTU |
1436 | if(rt1[i]) { |
1437 | if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1)) |
1438 | { |
1439 | alloc_reg64(current,i,rs1[i]); |
1440 | alloc_reg64(current,i,rs2[i]); |
1441 | alloc_reg(current,i,rt1[i]); |
1442 | } else { |
1443 | alloc_reg(current,i,rs1[i]); |
1444 | alloc_reg(current,i,rs2[i]); |
1445 | alloc_reg(current,i,rt1[i]); |
1446 | } |
1447 | } |
1448 | current->is32|=1LL<<rt1[i]; |
1449 | } |
1450 | if(opcode2[i]>=0x24&&opcode2[i]<=0x27) { // AND/OR/XOR/NOR |
1451 | if(rt1[i]) { |
1452 | if(rs1[i]&&rs2[i]) { |
1453 | alloc_reg(current,i,rs1[i]); |
1454 | alloc_reg(current,i,rs2[i]); |
1455 | } |
1456 | else |
1457 | { |
1458 | if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1459 | if(rs2[i]&&needed_again(rs2[i],i)) alloc_reg(current,i,rs2[i]); |
1460 | } |
1461 | alloc_reg(current,i,rt1[i]); |
1462 | if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1)) |
1463 | { |
1464 | if(!((current->uu>>rt1[i])&1)) { |
1465 | alloc_reg64(current,i,rt1[i]); |
1466 | } |
1467 | if(get_reg(current->regmap,rt1[i]|64)>=0) { |
1468 | if(rs1[i]&&rs2[i]) { |
1469 | alloc_reg64(current,i,rs1[i]); |
1470 | alloc_reg64(current,i,rs2[i]); |
1471 | } |
1472 | else |
1473 | { |
1474 | // Is is really worth it to keep 64-bit values in registers? |
1475 | #ifdef NATIVE_64BIT |
1476 | if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg64(current,i,rs1[i]); |
1477 | if(rs2[i]&&needed_again(rs2[i],i)) alloc_reg64(current,i,rs2[i]); |
1478 | #endif |
1479 | } |
1480 | } |
1481 | current->is32&=~(1LL<<rt1[i]); |
1482 | } else { |
1483 | current->is32|=1LL<<rt1[i]; |
1484 | } |
1485 | } |
1486 | } |
1487 | if(opcode2[i]>=0x2c&&opcode2[i]<=0x2f) { // DADD/DADDU/DSUB/DSUBU |
1488 | if(rt1[i]) { |
1489 | if(rs1[i]&&rs2[i]) { |
1490 | if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) { |
1491 | alloc_reg64(current,i,rs1[i]); |
1492 | alloc_reg64(current,i,rs2[i]); |
1493 | alloc_reg64(current,i,rt1[i]); |
1494 | } else { |
1495 | alloc_reg(current,i,rs1[i]); |
1496 | alloc_reg(current,i,rs2[i]); |
1497 | alloc_reg(current,i,rt1[i]); |
1498 | } |
1499 | } |
1500 | else { |
1501 | alloc_reg(current,i,rt1[i]); |
1502 | if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) { |
1503 | // DADD used as move, or zeroing |
1504 | // If we have a 64-bit source, then make the target 64 bits too |
1505 | if(rs1[i]&&!((current->is32>>rs1[i])&1)) { |
1506 | if(get_reg(current->regmap,rs1[i])>=0) alloc_reg64(current,i,rs1[i]); |
1507 | alloc_reg64(current,i,rt1[i]); |
1508 | } else if(rs2[i]&&!((current->is32>>rs2[i])&1)) { |
1509 | if(get_reg(current->regmap,rs2[i])>=0) alloc_reg64(current,i,rs2[i]); |
1510 | alloc_reg64(current,i,rt1[i]); |
1511 | } |
1512 | if(opcode2[i]>=0x2e&&rs2[i]) { |
1513 | // DSUB used as negation - 64-bit result |
1514 | // If we have a 32-bit register, extend it to 64 bits |
1515 | if(get_reg(current->regmap,rs2[i])>=0) alloc_reg64(current,i,rs2[i]); |
1516 | alloc_reg64(current,i,rt1[i]); |
1517 | } |
1518 | } |
1519 | } |
1520 | if(rs1[i]&&rs2[i]) { |
1521 | current->is32&=~(1LL<<rt1[i]); |
1522 | } else if(rs1[i]) { |
1523 | current->is32&=~(1LL<<rt1[i]); |
1524 | if((current->is32>>rs1[i])&1) |
1525 | current->is32|=1LL<<rt1[i]; |
1526 | } else if(rs2[i]) { |
1527 | current->is32&=~(1LL<<rt1[i]); |
1528 | if((current->is32>>rs2[i])&1) |
1529 | current->is32|=1LL<<rt1[i]; |
1530 | } else { |
1531 | current->is32|=1LL<<rt1[i]; |
1532 | } |
1533 | } |
1534 | } |
1535 | clear_const(current,rs1[i]); |
1536 | clear_const(current,rs2[i]); |
1537 | clear_const(current,rt1[i]); |
1538 | dirty_reg(current,rt1[i]); |
1539 | } |
1540 | |
1541 | void imm16_alloc(struct regstat *current,int i) |
1542 | { |
1543 | if(rs1[i]&&needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1544 | else lt1[i]=rs1[i]; |
1545 | if(rt1[i]) alloc_reg(current,i,rt1[i]); |
1546 | if(opcode[i]==0x18||opcode[i]==0x19) { // DADDI/DADDIU |
1547 | current->is32&=~(1LL<<rt1[i]); |
1548 | if(!((current->uu>>rt1[i])&1)||get_reg(current->regmap,rt1[i]|64)>=0) { |
1549 | // TODO: Could preserve the 32-bit flag if the immediate is zero |
1550 | alloc_reg64(current,i,rt1[i]); |
1551 | alloc_reg64(current,i,rs1[i]); |
1552 | } |
1553 | clear_const(current,rs1[i]); |
1554 | clear_const(current,rt1[i]); |
1555 | } |
1556 | else if(opcode[i]==0x0a||opcode[i]==0x0b) { // SLTI/SLTIU |
1557 | if((~current->is32>>rs1[i])&1) alloc_reg64(current,i,rs1[i]); |
1558 | current->is32|=1LL<<rt1[i]; |
1559 | clear_const(current,rs1[i]); |
1560 | clear_const(current,rt1[i]); |
1561 | } |
1562 | else if(opcode[i]>=0x0c&&opcode[i]<=0x0e) { // ANDI/ORI/XORI |
1563 | if(((~current->is32>>rs1[i])&1)&&opcode[i]>0x0c) { |
1564 | if(rs1[i]!=rt1[i]) { |
1565 | if(needed_again(rs1[i],i)) alloc_reg64(current,i,rs1[i]); |
1566 | alloc_reg64(current,i,rt1[i]); |
1567 | current->is32&=~(1LL<<rt1[i]); |
1568 | } |
1569 | } |
1570 | else current->is32|=1LL<<rt1[i]; // ANDI clears upper bits |
1571 | if(is_const(current,rs1[i])) { |
1572 | int v=get_const(current,rs1[i]); |
1573 | if(opcode[i]==0x0c) set_const(current,rt1[i],v&imm[i]); |
1574 | if(opcode[i]==0x0d) set_const(current,rt1[i],v|imm[i]); |
1575 | if(opcode[i]==0x0e) set_const(current,rt1[i],v^imm[i]); |
1576 | } |
1577 | else clear_const(current,rt1[i]); |
1578 | } |
1579 | else if(opcode[i]==0x08||opcode[i]==0x09) { // ADDI/ADDIU |
1580 | if(is_const(current,rs1[i])) { |
1581 | int v=get_const(current,rs1[i]); |
1582 | set_const(current,rt1[i],v+imm[i]); |
1583 | } |
1584 | else clear_const(current,rt1[i]); |
1585 | current->is32|=1LL<<rt1[i]; |
1586 | } |
1587 | else { |
1588 | set_const(current,rt1[i],((long long)((short)imm[i]))<<16); // LUI |
1589 | current->is32|=1LL<<rt1[i]; |
1590 | } |
1591 | dirty_reg(current,rt1[i]); |
1592 | } |
1593 | |
1594 | void load_alloc(struct regstat *current,int i) |
1595 | { |
1596 | clear_const(current,rt1[i]); |
1597 | //if(rs1[i]!=rt1[i]&&needed_again(rs1[i],i)) clear_const(current,rs1[i]); // Does this help or hurt? |
1598 | if(!rs1[i]) current->u&=~1LL; // Allow allocating r0 if it's the source register |
1599 | if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
373d1d07 |
1600 | if(rt1[i]&&!((current->u>>rt1[i])&1)) { |
57871462 |
1601 | alloc_reg(current,i,rt1[i]); |
373d1d07 |
1602 | assert(get_reg(current->regmap,rt1[i])>=0); |
57871462 |
1603 | if(opcode[i]==0x27||opcode[i]==0x37) // LWU/LD |
1604 | { |
1605 | current->is32&=~(1LL<<rt1[i]); |
1606 | alloc_reg64(current,i,rt1[i]); |
1607 | } |
1608 | else if(opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR |
1609 | { |
1610 | current->is32&=~(1LL<<rt1[i]); |
1611 | alloc_reg64(current,i,rt1[i]); |
1612 | alloc_all(current,i); |
1613 | alloc_reg64(current,i,FTEMP); |
e1190b87 |
1614 | minimum_free_regs[i]=HOST_REGS; |
57871462 |
1615 | } |
1616 | else current->is32|=1LL<<rt1[i]; |
1617 | dirty_reg(current,rt1[i]); |
1618 | // If using TLB, need a register for pointer to the mapping table |
1619 | if(using_tlb) alloc_reg(current,i,TLREG); |
1620 | // LWL/LWR need a temporary register for the old value |
1621 | if(opcode[i]==0x22||opcode[i]==0x26) |
1622 | { |
1623 | alloc_reg(current,i,FTEMP); |
1624 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1625 | minimum_free_regs[i]=1; |
57871462 |
1626 | } |
1627 | } |
1628 | else |
1629 | { |
373d1d07 |
1630 | // Load to r0 or unneeded register (dummy load) |
57871462 |
1631 | // but we still need a register to calculate the address |
535d208a |
1632 | if(opcode[i]==0x22||opcode[i]==0x26) |
1633 | { |
1634 | alloc_reg(current,i,FTEMP); // LWL/LWR need another temporary |
1635 | } |
373d1d07 |
1636 | // If using TLB, need a register for pointer to the mapping table |
1637 | if(using_tlb) alloc_reg(current,i,TLREG); |
57871462 |
1638 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1639 | minimum_free_regs[i]=1; |
535d208a |
1640 | if(opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR |
1641 | { |
1642 | alloc_all(current,i); |
1643 | alloc_reg64(current,i,FTEMP); |
e1190b87 |
1644 | minimum_free_regs[i]=HOST_REGS; |
535d208a |
1645 | } |
57871462 |
1646 | } |
1647 | } |
1648 | |
1649 | void store_alloc(struct regstat *current,int i) |
1650 | { |
1651 | clear_const(current,rs2[i]); |
1652 | if(!(rs2[i])) current->u&=~1LL; // Allow allocating r0 if necessary |
1653 | if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1654 | alloc_reg(current,i,rs2[i]); |
1655 | if(opcode[i]==0x2c||opcode[i]==0x2d||opcode[i]==0x3f) { // 64-bit SDL/SDR/SD |
1656 | alloc_reg64(current,i,rs2[i]); |
1657 | if(rs2[i]) alloc_reg(current,i,FTEMP); |
1658 | } |
1659 | // If using TLB, need a register for pointer to the mapping table |
1660 | if(using_tlb) alloc_reg(current,i,TLREG); |
1661 | #if defined(HOST_IMM8) |
1662 | // On CPUs without 32-bit immediates we need a pointer to invalid_code |
1663 | else alloc_reg(current,i,INVCP); |
1664 | #endif |
b7918751 |
1665 | if(opcode[i]==0x2a||opcode[i]==0x2e||opcode[i]==0x2c||opcode[i]==0x2d) { // SWL/SWL/SDL/SDR |
57871462 |
1666 | alloc_reg(current,i,FTEMP); |
1667 | } |
1668 | // We need a temporary register for address generation |
1669 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1670 | minimum_free_regs[i]=1; |
57871462 |
1671 | } |
1672 | |
1673 | void c1ls_alloc(struct regstat *current,int i) |
1674 | { |
1675 | //clear_const(current,rs1[i]); // FIXME |
1676 | clear_const(current,rt1[i]); |
1677 | if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1678 | alloc_reg(current,i,CSREG); // Status |
1679 | alloc_reg(current,i,FTEMP); |
1680 | if(opcode[i]==0x35||opcode[i]==0x3d) { // 64-bit LDC1/SDC1 |
1681 | alloc_reg64(current,i,FTEMP); |
1682 | } |
1683 | // If using TLB, need a register for pointer to the mapping table |
1684 | if(using_tlb) alloc_reg(current,i,TLREG); |
1685 | #if defined(HOST_IMM8) |
1686 | // On CPUs without 32-bit immediates we need a pointer to invalid_code |
1687 | else if((opcode[i]&0x3b)==0x39) // SWC1/SDC1 |
1688 | alloc_reg(current,i,INVCP); |
1689 | #endif |
1690 | // We need a temporary register for address generation |
1691 | alloc_reg_temp(current,i,-1); |
1692 | } |
1693 | |
b9b61529 |
1694 | void c2ls_alloc(struct regstat *current,int i) |
1695 | { |
1696 | clear_const(current,rt1[i]); |
1697 | if(needed_again(rs1[i],i)) alloc_reg(current,i,rs1[i]); |
1698 | alloc_reg(current,i,FTEMP); |
1699 | // If using TLB, need a register for pointer to the mapping table |
1700 | if(using_tlb) alloc_reg(current,i,TLREG); |
1701 | #if defined(HOST_IMM8) |
1702 | // On CPUs without 32-bit immediates we need a pointer to invalid_code |
1703 | else if((opcode[i]&0x3b)==0x3a) // SWC2/SDC2 |
1704 | alloc_reg(current,i,INVCP); |
1705 | #endif |
1706 | // We need a temporary register for address generation |
1707 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1708 | minimum_free_regs[i]=1; |
b9b61529 |
1709 | } |
1710 | |
57871462 |
1711 | #ifndef multdiv_alloc |
1712 | void multdiv_alloc(struct regstat *current,int i) |
1713 | { |
1714 | // case 0x18: MULT |
1715 | // case 0x19: MULTU |
1716 | // case 0x1A: DIV |
1717 | // case 0x1B: DIVU |
1718 | // case 0x1C: DMULT |
1719 | // case 0x1D: DMULTU |
1720 | // case 0x1E: DDIV |
1721 | // case 0x1F: DDIVU |
1722 | clear_const(current,rs1[i]); |
1723 | clear_const(current,rs2[i]); |
1724 | if(rs1[i]&&rs2[i]) |
1725 | { |
1726 | if((opcode2[i]&4)==0) // 32-bit |
1727 | { |
1728 | current->u&=~(1LL<<HIREG); |
1729 | current->u&=~(1LL<<LOREG); |
1730 | alloc_reg(current,i,HIREG); |
1731 | alloc_reg(current,i,LOREG); |
1732 | alloc_reg(current,i,rs1[i]); |
1733 | alloc_reg(current,i,rs2[i]); |
1734 | current->is32|=1LL<<HIREG; |
1735 | current->is32|=1LL<<LOREG; |
1736 | dirty_reg(current,HIREG); |
1737 | dirty_reg(current,LOREG); |
1738 | } |
1739 | else // 64-bit |
1740 | { |
1741 | current->u&=~(1LL<<HIREG); |
1742 | current->u&=~(1LL<<LOREG); |
1743 | current->uu&=~(1LL<<HIREG); |
1744 | current->uu&=~(1LL<<LOREG); |
1745 | alloc_reg64(current,i,HIREG); |
1746 | //if(HOST_REGS>10) alloc_reg64(current,i,LOREG); |
1747 | alloc_reg64(current,i,rs1[i]); |
1748 | alloc_reg64(current,i,rs2[i]); |
1749 | alloc_all(current,i); |
1750 | current->is32&=~(1LL<<HIREG); |
1751 | current->is32&=~(1LL<<LOREG); |
1752 | dirty_reg(current,HIREG); |
1753 | dirty_reg(current,LOREG); |
e1190b87 |
1754 | minimum_free_regs[i]=HOST_REGS; |
57871462 |
1755 | } |
1756 | } |
1757 | else |
1758 | { |
1759 | // Multiply by zero is zero. |
1760 | // MIPS does not have a divide by zero exception. |
1761 | // The result is undefined, we return zero. |
1762 | alloc_reg(current,i,HIREG); |
1763 | alloc_reg(current,i,LOREG); |
1764 | current->is32|=1LL<<HIREG; |
1765 | current->is32|=1LL<<LOREG; |
1766 | dirty_reg(current,HIREG); |
1767 | dirty_reg(current,LOREG); |
1768 | } |
1769 | } |
1770 | #endif |
1771 | |
1772 | void cop0_alloc(struct regstat *current,int i) |
1773 | { |
1774 | if(opcode2[i]==0) // MFC0 |
1775 | { |
1776 | if(rt1[i]) { |
1777 | clear_const(current,rt1[i]); |
1778 | alloc_all(current,i); |
1779 | alloc_reg(current,i,rt1[i]); |
1780 | current->is32|=1LL<<rt1[i]; |
1781 | dirty_reg(current,rt1[i]); |
1782 | } |
1783 | } |
1784 | else if(opcode2[i]==4) // MTC0 |
1785 | { |
1786 | if(rs1[i]){ |
1787 | clear_const(current,rs1[i]); |
1788 | alloc_reg(current,i,rs1[i]); |
1789 | alloc_all(current,i); |
1790 | } |
1791 | else { |
1792 | alloc_all(current,i); // FIXME: Keep r0 |
1793 | current->u&=~1LL; |
1794 | alloc_reg(current,i,0); |
1795 | } |
1796 | } |
1797 | else |
1798 | { |
1799 | // TLBR/TLBWI/TLBWR/TLBP/ERET |
1800 | assert(opcode2[i]==0x10); |
1801 | alloc_all(current,i); |
1802 | } |
e1190b87 |
1803 | minimum_free_regs[i]=HOST_REGS; |
57871462 |
1804 | } |
1805 | |
1806 | void cop1_alloc(struct regstat *current,int i) |
1807 | { |
1808 | alloc_reg(current,i,CSREG); // Load status |
1809 | if(opcode2[i]<3) // MFC1/DMFC1/CFC1 |
1810 | { |
7de557a6 |
1811 | if(rt1[i]){ |
1812 | clear_const(current,rt1[i]); |
1813 | if(opcode2[i]==1) { |
1814 | alloc_reg64(current,i,rt1[i]); // DMFC1 |
1815 | current->is32&=~(1LL<<rt1[i]); |
1816 | }else{ |
1817 | alloc_reg(current,i,rt1[i]); // MFC1/CFC1 |
1818 | current->is32|=1LL<<rt1[i]; |
1819 | } |
1820 | dirty_reg(current,rt1[i]); |
57871462 |
1821 | } |
57871462 |
1822 | alloc_reg_temp(current,i,-1); |
1823 | } |
1824 | else if(opcode2[i]>3) // MTC1/DMTC1/CTC1 |
1825 | { |
1826 | if(rs1[i]){ |
1827 | clear_const(current,rs1[i]); |
1828 | if(opcode2[i]==5) |
1829 | alloc_reg64(current,i,rs1[i]); // DMTC1 |
1830 | else |
1831 | alloc_reg(current,i,rs1[i]); // MTC1/CTC1 |
1832 | alloc_reg_temp(current,i,-1); |
1833 | } |
1834 | else { |
1835 | current->u&=~1LL; |
1836 | alloc_reg(current,i,0); |
1837 | alloc_reg_temp(current,i,-1); |
1838 | } |
1839 | } |
e1190b87 |
1840 | minimum_free_regs[i]=1; |
57871462 |
1841 | } |
1842 | void fconv_alloc(struct regstat *current,int i) |
1843 | { |
1844 | alloc_reg(current,i,CSREG); // Load status |
1845 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1846 | minimum_free_regs[i]=1; |
57871462 |
1847 | } |
1848 | void float_alloc(struct regstat *current,int i) |
1849 | { |
1850 | alloc_reg(current,i,CSREG); // Load status |
1851 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1852 | minimum_free_regs[i]=1; |
57871462 |
1853 | } |
b9b61529 |
1854 | void c2op_alloc(struct regstat *current,int i) |
1855 | { |
1856 | alloc_reg_temp(current,i,-1); |
1857 | } |
57871462 |
1858 | void fcomp_alloc(struct regstat *current,int i) |
1859 | { |
1860 | alloc_reg(current,i,CSREG); // Load status |
1861 | alloc_reg(current,i,FSREG); // Load flags |
1862 | dirty_reg(current,FSREG); // Flag will be modified |
1863 | alloc_reg_temp(current,i,-1); |
e1190b87 |
1864 | minimum_free_regs[i]=1; |
57871462 |
1865 | } |
1866 | |
1867 | void syscall_alloc(struct regstat *current,int i) |
1868 | { |
1869 | alloc_cc(current,i); |
1870 | dirty_reg(current,CCREG); |
1871 | alloc_all(current,i); |
e1190b87 |
1872 | minimum_free_regs[i]=HOST_REGS; |
57871462 |
1873 | current->isconst=0; |
1874 | } |
1875 | |
1876 | void delayslot_alloc(struct regstat *current,int i) |
1877 | { |
1878 | switch(itype[i]) { |
1879 | case UJUMP: |
1880 | case CJUMP: |
1881 | case SJUMP: |
1882 | case RJUMP: |
1883 | case FJUMP: |
1884 | case SYSCALL: |
7139f3c8 |
1885 | case HLECALL: |
57871462 |
1886 | case SPAN: |
1887 | assem_debug("jump in the delay slot. this shouldn't happen.\n");//exit(1); |
1888 | printf("Disabled speculative precompilation\n"); |
1889 | stop_after_jal=1; |
1890 | break; |
1891 | case IMM16: |
1892 | imm16_alloc(current,i); |
1893 | break; |
1894 | case LOAD: |
1895 | case LOADLR: |
1896 | load_alloc(current,i); |
1897 | break; |
1898 | case STORE: |
1899 | case STORELR: |
1900 | store_alloc(current,i); |
1901 | break; |
1902 | case ALU: |
1903 | alu_alloc(current,i); |
1904 | break; |
1905 | case SHIFT: |
1906 | shift_alloc(current,i); |
1907 | break; |
1908 | case MULTDIV: |
1909 | multdiv_alloc(current,i); |
1910 | break; |
1911 | case SHIFTIMM: |
1912 | shiftimm_alloc(current,i); |
1913 | break; |
1914 | case MOV: |
1915 | mov_alloc(current,i); |
1916 | break; |
1917 | case COP0: |
1918 | cop0_alloc(current,i); |
1919 | break; |
1920 | case COP1: |
b9b61529 |
1921 | case COP2: |
57871462 |
1922 | cop1_alloc(current,i); |
1923 | break; |
1924 | case C1LS: |
1925 | c1ls_alloc(current,i); |
1926 | break; |
b9b61529 |
1927 | case C2LS: |
1928 | c2ls_alloc(current,i); |
1929 | break; |
57871462 |
1930 | case FCONV: |
1931 | fconv_alloc(current,i); |
1932 | break; |
1933 | case FLOAT: |
1934 | float_alloc(current,i); |
1935 | break; |
1936 | case FCOMP: |
1937 | fcomp_alloc(current,i); |
1938 | break; |
b9b61529 |
1939 | case C2OP: |
1940 | c2op_alloc(current,i); |
1941 | break; |
57871462 |
1942 | } |
1943 | } |
1944 | |
1945 | // Special case where a branch and delay slot span two pages in virtual memory |
1946 | static void pagespan_alloc(struct regstat *current,int i) |
1947 | { |
1948 | current->isconst=0; |
1949 | current->wasconst=0; |
1950 | regs[i].wasconst=0; |
e1190b87 |
1951 | minimum_free_regs[i]=HOST_REGS; |
57871462 |
1952 | alloc_all(current,i); |
1953 | alloc_cc(current,i); |
1954 | dirty_reg(current,CCREG); |
1955 | if(opcode[i]==3) // JAL |
1956 | { |
1957 | alloc_reg(current,i,31); |
1958 | dirty_reg(current,31); |
1959 | } |
1960 | if(opcode[i]==0&&(opcode2[i]&0x3E)==8) // JR/JALR |
1961 | { |
1962 | alloc_reg(current,i,rs1[i]); |
5067f341 |
1963 | if (rt1[i]!=0) { |
1964 | alloc_reg(current,i,rt1[i]); |
1965 | dirty_reg(current,rt1[i]); |
57871462 |
1966 | } |
1967 | } |
1968 | if((opcode[i]&0x2E)==4) // BEQ/BNE/BEQL/BNEL |
1969 | { |
1970 | if(rs1[i]) alloc_reg(current,i,rs1[i]); |
1971 | if(rs2[i]) alloc_reg(current,i,rs2[i]); |
1972 | if(!((current->is32>>rs1[i])&(current->is32>>rs2[i])&1)) |
1973 | { |
1974 | if(rs1[i]) alloc_reg64(current,i,rs1[i]); |
1975 | if(rs2[i]) alloc_reg64(current,i,rs2[i]); |
1976 | } |
1977 | } |
1978 | else |
1979 | if((opcode[i]&0x2E)==6) // BLEZ/BGTZ/BLEZL/BGTZL |
1980 | { |
1981 | if(rs1[i]) alloc_reg(current,i,rs1[i]); |
1982 | if(!((current->is32>>rs1[i])&1)) |
1983 | { |
1984 | if(rs1[i]) alloc_reg64(current,i,rs1[i]); |
1985 | } |
1986 | } |
1987 | else |
1988 | if(opcode[i]==0x11) // BC1 |
1989 | { |
1990 | alloc_reg(current,i,FSREG); |
1991 | alloc_reg(current,i,CSREG); |
1992 | } |
1993 | //else ... |
1994 | } |
1995 | |
1996 | add_stub(int type,int addr,int retaddr,int a,int b,int c,int d,int e) |
1997 | { |
1998 | stubs[stubcount][0]=type; |
1999 | stubs[stubcount][1]=addr; |
2000 | stubs[stubcount][2]=retaddr; |
2001 | stubs[stubcount][3]=a; |
2002 | stubs[stubcount][4]=b; |
2003 | stubs[stubcount][5]=c; |
2004 | stubs[stubcount][6]=d; |
2005 | stubs[stubcount][7]=e; |
2006 | stubcount++; |
2007 | } |
2008 | |
2009 | // Write out a single register |
2010 | void wb_register(signed char r,signed char regmap[],uint64_t dirty,uint64_t is32) |
2011 | { |
2012 | int hr; |
2013 | for(hr=0;hr<HOST_REGS;hr++) { |
2014 | if(hr!=EXCLUDE_REG) { |
2015 | if((regmap[hr]&63)==r) { |
2016 | if((dirty>>hr)&1) { |
2017 | if(regmap[hr]<64) { |
2018 | emit_storereg(r,hr); |
24385cae |
2019 | #ifndef FORCE32 |
57871462 |
2020 | if((is32>>regmap[hr])&1) { |
2021 | emit_sarimm(hr,31,hr); |
2022 | emit_storereg(r|64,hr); |
2023 | } |
24385cae |
2024 | #endif |
57871462 |
2025 | }else{ |
2026 | emit_storereg(r|64,hr); |
2027 | } |
2028 | } |
2029 | } |
2030 | } |
2031 | } |
2032 | } |
2033 | |
2034 | int mchecksum() |
2035 | { |
2036 | //if(!tracedebug) return 0; |
2037 | int i; |
2038 | int sum=0; |
2039 | for(i=0;i<2097152;i++) { |
2040 | unsigned int temp=sum; |
2041 | sum<<=1; |
2042 | sum|=(~temp)>>31; |
2043 | sum^=((u_int *)rdram)[i]; |
2044 | } |
2045 | return sum; |
2046 | } |
2047 | int rchecksum() |
2048 | { |
2049 | int i; |
2050 | int sum=0; |
2051 | for(i=0;i<64;i++) |
2052 | sum^=((u_int *)reg)[i]; |
2053 | return sum; |
2054 | } |
57871462 |
2055 | void rlist() |
2056 | { |
2057 | int i; |
2058 | printf("TRACE: "); |
2059 | for(i=0;i<32;i++) |
2060 | printf("r%d:%8x%8x ",i,((int *)(reg+i))[1],((int *)(reg+i))[0]); |
2061 | printf("\n"); |
3d624f89 |
2062 | #ifndef DISABLE_COP1 |
57871462 |
2063 | printf("TRACE: "); |
2064 | for(i=0;i<32;i++) |
2065 | printf("f%d:%8x%8x ",i,((int*)reg_cop1_simple[i])[1],*((int*)reg_cop1_simple[i])); |
2066 | printf("\n"); |
3d624f89 |
2067 | #endif |
57871462 |
2068 | } |
2069 | |
2070 | void enabletrace() |
2071 | { |
2072 | tracedebug=1; |
2073 | } |
2074 | |
2075 | void memdebug(int i) |
2076 | { |
2077 | //printf("TRACE: count=%d next=%d (checksum %x) lo=%8x%8x\n",Count,next_interupt,mchecksum(),(int)(reg[LOREG]>>32),(int)reg[LOREG]); |
2078 | //printf("TRACE: count=%d next=%d (rchecksum %x)\n",Count,next_interupt,rchecksum()); |
2079 | //rlist(); |
2080 | //if(tracedebug) { |
2081 | //if(Count>=-2084597794) { |
2082 | if((signed int)Count>=-2084597794&&(signed int)Count<0) { |
2083 | //if(0) { |
2084 | printf("TRACE: count=%d next=%d (checksum %x)\n",Count,next_interupt,mchecksum()); |
2085 | //printf("TRACE: count=%d next=%d (checksum %x) Status=%x\n",Count,next_interupt,mchecksum(),Status); |
2086 | //printf("TRACE: count=%d next=%d (checksum %x) hi=%8x%8x\n",Count,next_interupt,mchecksum(),(int)(reg[HIREG]>>32),(int)reg[HIREG]); |
2087 | rlist(); |
2088 | #ifdef __i386__ |
2089 | printf("TRACE: %x\n",(&i)[-1]); |
2090 | #endif |
2091 | #ifdef __arm__ |
2092 | int j; |
2093 | printf("TRACE: %x \n",(&j)[10]); |
2094 | printf("TRACE: %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x\n",(&j)[1],(&j)[2],(&j)[3],(&j)[4],(&j)[5],(&j)[6],(&j)[7],(&j)[8],(&j)[9],(&j)[10],(&j)[11],(&j)[12],(&j)[13],(&j)[14],(&j)[15],(&j)[16],(&j)[17],(&j)[18],(&j)[19],(&j)[20]); |
2095 | #endif |
2096 | //fflush(stdout); |
2097 | } |
2098 | //printf("TRACE: %x\n",(&i)[-1]); |
2099 | } |
2100 | |
2101 | void tlb_debug(u_int cause, u_int addr, u_int iaddr) |
2102 | { |
2103 | printf("TLB Exception: instruction=%x addr=%x cause=%x\n",iaddr, addr, cause); |
2104 | } |
2105 | |
2106 | void alu_assemble(int i,struct regstat *i_regs) |
2107 | { |
2108 | if(opcode2[i]>=0x20&&opcode2[i]<=0x23) { // ADD/ADDU/SUB/SUBU |
2109 | if(rt1[i]) { |
2110 | signed char s1,s2,t; |
2111 | t=get_reg(i_regs->regmap,rt1[i]); |
2112 | if(t>=0) { |
2113 | s1=get_reg(i_regs->regmap,rs1[i]); |
2114 | s2=get_reg(i_regs->regmap,rs2[i]); |
2115 | if(rs1[i]&&rs2[i]) { |
2116 | assert(s1>=0); |
2117 | assert(s2>=0); |
2118 | if(opcode2[i]&2) emit_sub(s1,s2,t); |
2119 | else emit_add(s1,s2,t); |
2120 | } |
2121 | else if(rs1[i]) { |
2122 | if(s1>=0) emit_mov(s1,t); |
2123 | else emit_loadreg(rs1[i],t); |
2124 | } |
2125 | else if(rs2[i]) { |
2126 | if(s2>=0) { |
2127 | if(opcode2[i]&2) emit_neg(s2,t); |
2128 | else emit_mov(s2,t); |
2129 | } |
2130 | else { |
2131 | emit_loadreg(rs2[i],t); |
2132 | if(opcode2[i]&2) emit_neg(t,t); |
2133 | } |
2134 | } |
2135 | else emit_zeroreg(t); |
2136 | } |
2137 | } |
2138 | } |
2139 | if(opcode2[i]>=0x2c&&opcode2[i]<=0x2f) { // DADD/DADDU/DSUB/DSUBU |
2140 | if(rt1[i]) { |
2141 | signed char s1l,s2l,s1h,s2h,tl,th; |
2142 | tl=get_reg(i_regs->regmap,rt1[i]); |
2143 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2144 | if(tl>=0) { |
2145 | s1l=get_reg(i_regs->regmap,rs1[i]); |
2146 | s2l=get_reg(i_regs->regmap,rs2[i]); |
2147 | s1h=get_reg(i_regs->regmap,rs1[i]|64); |
2148 | s2h=get_reg(i_regs->regmap,rs2[i]|64); |
2149 | if(rs1[i]&&rs2[i]) { |
2150 | assert(s1l>=0); |
2151 | assert(s2l>=0); |
2152 | if(opcode2[i]&2) emit_subs(s1l,s2l,tl); |
2153 | else emit_adds(s1l,s2l,tl); |
2154 | if(th>=0) { |
2155 | #ifdef INVERTED_CARRY |
2156 | if(opcode2[i]&2) {if(s1h!=th) emit_mov(s1h,th);emit_sbb(th,s2h);} |
2157 | #else |
2158 | if(opcode2[i]&2) emit_sbc(s1h,s2h,th); |
2159 | #endif |
2160 | else emit_add(s1h,s2h,th); |
2161 | } |
2162 | } |
2163 | else if(rs1[i]) { |
2164 | if(s1l>=0) emit_mov(s1l,tl); |
2165 | else emit_loadreg(rs1[i],tl); |
2166 | if(th>=0) { |
2167 | if(s1h>=0) emit_mov(s1h,th); |
2168 | else emit_loadreg(rs1[i]|64,th); |
2169 | } |
2170 | } |
2171 | else if(rs2[i]) { |
2172 | if(s2l>=0) { |
2173 | if(opcode2[i]&2) emit_negs(s2l,tl); |
2174 | else emit_mov(s2l,tl); |
2175 | } |
2176 | else { |
2177 | emit_loadreg(rs2[i],tl); |
2178 | if(opcode2[i]&2) emit_negs(tl,tl); |
2179 | } |
2180 | if(th>=0) { |
2181 | #ifdef INVERTED_CARRY |
2182 | if(s2h>=0) emit_mov(s2h,th); |
2183 | else emit_loadreg(rs2[i]|64,th); |
2184 | if(opcode2[i]&2) { |
2185 | emit_adcimm(-1,th); // x86 has inverted carry flag |
2186 | emit_not(th,th); |
2187 | } |
2188 | #else |
2189 | if(opcode2[i]&2) { |
2190 | if(s2h>=0) emit_rscimm(s2h,0,th); |
2191 | else { |
2192 | emit_loadreg(rs2[i]|64,th); |
2193 | emit_rscimm(th,0,th); |
2194 | } |
2195 | }else{ |
2196 | if(s2h>=0) emit_mov(s2h,th); |
2197 | else emit_loadreg(rs2[i]|64,th); |
2198 | } |
2199 | #endif |
2200 | } |
2201 | } |
2202 | else { |
2203 | emit_zeroreg(tl); |
2204 | if(th>=0) emit_zeroreg(th); |
2205 | } |
2206 | } |
2207 | } |
2208 | } |
2209 | if(opcode2[i]==0x2a||opcode2[i]==0x2b) { // SLT/SLTU |
2210 | if(rt1[i]) { |
2211 | signed char s1l,s1h,s2l,s2h,t; |
2212 | if(!((i_regs->was32>>rs1[i])&(i_regs->was32>>rs2[i])&1)) |
2213 | { |
2214 | t=get_reg(i_regs->regmap,rt1[i]); |
2215 | //assert(t>=0); |
2216 | if(t>=0) { |
2217 | s1l=get_reg(i_regs->regmap,rs1[i]); |
2218 | s1h=get_reg(i_regs->regmap,rs1[i]|64); |
2219 | s2l=get_reg(i_regs->regmap,rs2[i]); |
2220 | s2h=get_reg(i_regs->regmap,rs2[i]|64); |
2221 | if(rs2[i]==0) // rx<r0 |
2222 | { |
2223 | assert(s1h>=0); |
2224 | if(opcode2[i]==0x2a) // SLT |
2225 | emit_shrimm(s1h,31,t); |
2226 | else // SLTU (unsigned can not be less than zero) |
2227 | emit_zeroreg(t); |
2228 | } |
2229 | else if(rs1[i]==0) // r0<rx |
2230 | { |
2231 | assert(s2h>=0); |
2232 | if(opcode2[i]==0x2a) // SLT |
2233 | emit_set_gz64_32(s2h,s2l,t); |
2234 | else // SLTU (set if not zero) |
2235 | emit_set_nz64_32(s2h,s2l,t); |
2236 | } |
2237 | else { |
2238 | assert(s1l>=0);assert(s1h>=0); |
2239 | assert(s2l>=0);assert(s2h>=0); |
2240 | if(opcode2[i]==0x2a) // SLT |
2241 | emit_set_if_less64_32(s1h,s1l,s2h,s2l,t); |
2242 | else // SLTU |
2243 | emit_set_if_carry64_32(s1h,s1l,s2h,s2l,t); |
2244 | } |
2245 | } |
2246 | } else { |
2247 | t=get_reg(i_regs->regmap,rt1[i]); |
2248 | //assert(t>=0); |
2249 | if(t>=0) { |
2250 | s1l=get_reg(i_regs->regmap,rs1[i]); |
2251 | s2l=get_reg(i_regs->regmap,rs2[i]); |
2252 | if(rs2[i]==0) // rx<r0 |
2253 | { |
2254 | assert(s1l>=0); |
2255 | if(opcode2[i]==0x2a) // SLT |
2256 | emit_shrimm(s1l,31,t); |
2257 | else // SLTU (unsigned can not be less than zero) |
2258 | emit_zeroreg(t); |
2259 | } |
2260 | else if(rs1[i]==0) // r0<rx |
2261 | { |
2262 | assert(s2l>=0); |
2263 | if(opcode2[i]==0x2a) // SLT |
2264 | emit_set_gz32(s2l,t); |
2265 | else // SLTU (set if not zero) |
2266 | emit_set_nz32(s2l,t); |
2267 | } |
2268 | else{ |
2269 | assert(s1l>=0);assert(s2l>=0); |
2270 | if(opcode2[i]==0x2a) // SLT |
2271 | emit_set_if_less32(s1l,s2l,t); |
2272 | else // SLTU |
2273 | emit_set_if_carry32(s1l,s2l,t); |
2274 | } |
2275 | } |
2276 | } |
2277 | } |
2278 | } |
2279 | if(opcode2[i]>=0x24&&opcode2[i]<=0x27) { // AND/OR/XOR/NOR |
2280 | if(rt1[i]) { |
2281 | signed char s1l,s1h,s2l,s2h,th,tl; |
2282 | tl=get_reg(i_regs->regmap,rt1[i]); |
2283 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2284 | if(!((i_regs->was32>>rs1[i])&(i_regs->was32>>rs2[i])&1)&&th>=0) |
2285 | { |
2286 | assert(tl>=0); |
2287 | if(tl>=0) { |
2288 | s1l=get_reg(i_regs->regmap,rs1[i]); |
2289 | s1h=get_reg(i_regs->regmap,rs1[i]|64); |
2290 | s2l=get_reg(i_regs->regmap,rs2[i]); |
2291 | s2h=get_reg(i_regs->regmap,rs2[i]|64); |
2292 | if(rs1[i]&&rs2[i]) { |
2293 | assert(s1l>=0);assert(s1h>=0); |
2294 | assert(s2l>=0);assert(s2h>=0); |
2295 | if(opcode2[i]==0x24) { // AND |
2296 | emit_and(s1l,s2l,tl); |
2297 | emit_and(s1h,s2h,th); |
2298 | } else |
2299 | if(opcode2[i]==0x25) { // OR |
2300 | emit_or(s1l,s2l,tl); |
2301 | emit_or(s1h,s2h,th); |
2302 | } else |
2303 | if(opcode2[i]==0x26) { // XOR |
2304 | emit_xor(s1l,s2l,tl); |
2305 | emit_xor(s1h,s2h,th); |
2306 | } else |
2307 | if(opcode2[i]==0x27) { // NOR |
2308 | emit_or(s1l,s2l,tl); |
2309 | emit_or(s1h,s2h,th); |
2310 | emit_not(tl,tl); |
2311 | emit_not(th,th); |
2312 | } |
2313 | } |
2314 | else |
2315 | { |
2316 | if(opcode2[i]==0x24) { // AND |
2317 | emit_zeroreg(tl); |
2318 | emit_zeroreg(th); |
2319 | } else |
2320 | if(opcode2[i]==0x25||opcode2[i]==0x26) { // OR/XOR |
2321 | if(rs1[i]){ |
2322 | if(s1l>=0) emit_mov(s1l,tl); |
2323 | else emit_loadreg(rs1[i],tl); |
2324 | if(s1h>=0) emit_mov(s1h,th); |
2325 | else emit_loadreg(rs1[i]|64,th); |
2326 | } |
2327 | else |
2328 | if(rs2[i]){ |
2329 | if(s2l>=0) emit_mov(s2l,tl); |
2330 | else emit_loadreg(rs2[i],tl); |
2331 | if(s2h>=0) emit_mov(s2h,th); |
2332 | else emit_loadreg(rs2[i]|64,th); |
2333 | } |
2334 | else{ |
2335 | emit_zeroreg(tl); |
2336 | emit_zeroreg(th); |
2337 | } |
2338 | } else |
2339 | if(opcode2[i]==0x27) { // NOR |
2340 | if(rs1[i]){ |
2341 | if(s1l>=0) emit_not(s1l,tl); |
2342 | else{ |
2343 | emit_loadreg(rs1[i],tl); |
2344 | emit_not(tl,tl); |
2345 | } |
2346 | if(s1h>=0) emit_not(s1h,th); |
2347 | else{ |
2348 | emit_loadreg(rs1[i]|64,th); |
2349 | emit_not(th,th); |
2350 | } |
2351 | } |
2352 | else |
2353 | if(rs2[i]){ |
2354 | if(s2l>=0) emit_not(s2l,tl); |
2355 | else{ |
2356 | emit_loadreg(rs2[i],tl); |
2357 | emit_not(tl,tl); |
2358 | } |
2359 | if(s2h>=0) emit_not(s2h,th); |
2360 | else{ |
2361 | emit_loadreg(rs2[i]|64,th); |
2362 | emit_not(th,th); |
2363 | } |
2364 | } |
2365 | else { |
2366 | emit_movimm(-1,tl); |
2367 | emit_movimm(-1,th); |
2368 | } |
2369 | } |
2370 | } |
2371 | } |
2372 | } |
2373 | else |
2374 | { |
2375 | // 32 bit |
2376 | if(tl>=0) { |
2377 | s1l=get_reg(i_regs->regmap,rs1[i]); |
2378 | s2l=get_reg(i_regs->regmap,rs2[i]); |
2379 | if(rs1[i]&&rs2[i]) { |
2380 | assert(s1l>=0); |
2381 | assert(s2l>=0); |
2382 | if(opcode2[i]==0x24) { // AND |
2383 | emit_and(s1l,s2l,tl); |
2384 | } else |
2385 | if(opcode2[i]==0x25) { // OR |
2386 | emit_or(s1l,s2l,tl); |
2387 | } else |
2388 | if(opcode2[i]==0x26) { // XOR |
2389 | emit_xor(s1l,s2l,tl); |
2390 | } else |
2391 | if(opcode2[i]==0x27) { // NOR |
2392 | emit_or(s1l,s2l,tl); |
2393 | emit_not(tl,tl); |
2394 | } |
2395 | } |
2396 | else |
2397 | { |
2398 | if(opcode2[i]==0x24) { // AND |
2399 | emit_zeroreg(tl); |
2400 | } else |
2401 | if(opcode2[i]==0x25||opcode2[i]==0x26) { // OR/XOR |
2402 | if(rs1[i]){ |
2403 | if(s1l>=0) emit_mov(s1l,tl); |
2404 | else emit_loadreg(rs1[i],tl); // CHECK: regmap_entry? |
2405 | } |
2406 | else |
2407 | if(rs2[i]){ |
2408 | if(s2l>=0) emit_mov(s2l,tl); |
2409 | else emit_loadreg(rs2[i],tl); // CHECK: regmap_entry? |
2410 | } |
2411 | else emit_zeroreg(tl); |
2412 | } else |
2413 | if(opcode2[i]==0x27) { // NOR |
2414 | if(rs1[i]){ |
2415 | if(s1l>=0) emit_not(s1l,tl); |
2416 | else { |
2417 | emit_loadreg(rs1[i],tl); |
2418 | emit_not(tl,tl); |
2419 | } |
2420 | } |
2421 | else |
2422 | if(rs2[i]){ |
2423 | if(s2l>=0) emit_not(s2l,tl); |
2424 | else { |
2425 | emit_loadreg(rs2[i],tl); |
2426 | emit_not(tl,tl); |
2427 | } |
2428 | } |
2429 | else emit_movimm(-1,tl); |
2430 | } |
2431 | } |
2432 | } |
2433 | } |
2434 | } |
2435 | } |
2436 | } |
2437 | |
2438 | void imm16_assemble(int i,struct regstat *i_regs) |
2439 | { |
2440 | if (opcode[i]==0x0f) { // LUI |
2441 | if(rt1[i]) { |
2442 | signed char t; |
2443 | t=get_reg(i_regs->regmap,rt1[i]); |
2444 | //assert(t>=0); |
2445 | if(t>=0) { |
2446 | if(!((i_regs->isconst>>t)&1)) |
2447 | emit_movimm(imm[i]<<16,t); |
2448 | } |
2449 | } |
2450 | } |
2451 | if(opcode[i]==0x08||opcode[i]==0x09) { // ADDI/ADDIU |
2452 | if(rt1[i]) { |
2453 | signed char s,t; |
2454 | t=get_reg(i_regs->regmap,rt1[i]); |
2455 | s=get_reg(i_regs->regmap,rs1[i]); |
2456 | if(rs1[i]) { |
2457 | //assert(t>=0); |
2458 | //assert(s>=0); |
2459 | if(t>=0) { |
2460 | if(!((i_regs->isconst>>t)&1)) { |
2461 | if(s<0) { |
2462 | if(i_regs->regmap_entry[t]!=rs1[i]) emit_loadreg(rs1[i],t); |
2463 | emit_addimm(t,imm[i],t); |
2464 | }else{ |
2465 | if(!((i_regs->wasconst>>s)&1)) |
2466 | emit_addimm(s,imm[i],t); |
2467 | else |
2468 | emit_movimm(constmap[i][s]+imm[i],t); |
2469 | } |
2470 | } |
2471 | } |
2472 | } else { |
2473 | if(t>=0) { |
2474 | if(!((i_regs->isconst>>t)&1)) |
2475 | emit_movimm(imm[i],t); |
2476 | } |
2477 | } |
2478 | } |
2479 | } |
2480 | if(opcode[i]==0x18||opcode[i]==0x19) { // DADDI/DADDIU |
2481 | if(rt1[i]) { |
2482 | signed char sh,sl,th,tl; |
2483 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2484 | tl=get_reg(i_regs->regmap,rt1[i]); |
2485 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2486 | sl=get_reg(i_regs->regmap,rs1[i]); |
2487 | if(tl>=0) { |
2488 | if(rs1[i]) { |
2489 | assert(sh>=0); |
2490 | assert(sl>=0); |
2491 | if(th>=0) { |
2492 | emit_addimm64_32(sh,sl,imm[i],th,tl); |
2493 | } |
2494 | else { |
2495 | emit_addimm(sl,imm[i],tl); |
2496 | } |
2497 | } else { |
2498 | emit_movimm(imm[i],tl); |
2499 | if(th>=0) emit_movimm(((signed int)imm[i])>>31,th); |
2500 | } |
2501 | } |
2502 | } |
2503 | } |
2504 | else if(opcode[i]==0x0a||opcode[i]==0x0b) { // SLTI/SLTIU |
2505 | if(rt1[i]) { |
2506 | //assert(rs1[i]!=0); // r0 might be valid, but it's probably a bug |
2507 | signed char sh,sl,t; |
2508 | t=get_reg(i_regs->regmap,rt1[i]); |
2509 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2510 | sl=get_reg(i_regs->regmap,rs1[i]); |
2511 | //assert(t>=0); |
2512 | if(t>=0) { |
2513 | if(rs1[i]>0) { |
2514 | if(sh<0) assert((i_regs->was32>>rs1[i])&1); |
2515 | if(sh<0||((i_regs->was32>>rs1[i])&1)) { |
2516 | if(opcode[i]==0x0a) { // SLTI |
2517 | if(sl<0) { |
2518 | if(i_regs->regmap_entry[t]!=rs1[i]) emit_loadreg(rs1[i],t); |
2519 | emit_slti32(t,imm[i],t); |
2520 | }else{ |
2521 | emit_slti32(sl,imm[i],t); |
2522 | } |
2523 | } |
2524 | else { // SLTIU |
2525 | if(sl<0) { |
2526 | if(i_regs->regmap_entry[t]!=rs1[i]) emit_loadreg(rs1[i],t); |
2527 | emit_sltiu32(t,imm[i],t); |
2528 | }else{ |
2529 | emit_sltiu32(sl,imm[i],t); |
2530 | } |
2531 | } |
2532 | }else{ // 64-bit |
2533 | assert(sl>=0); |
2534 | if(opcode[i]==0x0a) // SLTI |
2535 | emit_slti64_32(sh,sl,imm[i],t); |
2536 | else // SLTIU |
2537 | emit_sltiu64_32(sh,sl,imm[i],t); |
2538 | } |
2539 | }else{ |
2540 | // SLTI(U) with r0 is just stupid, |
2541 | // nonetheless examples can be found |
2542 | if(opcode[i]==0x0a) // SLTI |
2543 | if(0<imm[i]) emit_movimm(1,t); |
2544 | else emit_zeroreg(t); |
2545 | else // SLTIU |
2546 | { |
2547 | if(imm[i]) emit_movimm(1,t); |
2548 | else emit_zeroreg(t); |
2549 | } |
2550 | } |
2551 | } |
2552 | } |
2553 | } |
2554 | else if(opcode[i]>=0x0c&&opcode[i]<=0x0e) { // ANDI/ORI/XORI |
2555 | if(rt1[i]) { |
2556 | signed char sh,sl,th,tl; |
2557 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2558 | tl=get_reg(i_regs->regmap,rt1[i]); |
2559 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2560 | sl=get_reg(i_regs->regmap,rs1[i]); |
2561 | if(tl>=0 && !((i_regs->isconst>>tl)&1)) { |
2562 | if(opcode[i]==0x0c) //ANDI |
2563 | { |
2564 | if(rs1[i]) { |
2565 | if(sl<0) { |
2566 | if(i_regs->regmap_entry[tl]!=rs1[i]) emit_loadreg(rs1[i],tl); |
2567 | emit_andimm(tl,imm[i],tl); |
2568 | }else{ |
2569 | if(!((i_regs->wasconst>>sl)&1)) |
2570 | emit_andimm(sl,imm[i],tl); |
2571 | else |
2572 | emit_movimm(constmap[i][sl]&imm[i],tl); |
2573 | } |
2574 | } |
2575 | else |
2576 | emit_zeroreg(tl); |
2577 | if(th>=0) emit_zeroreg(th); |
2578 | } |
2579 | else |
2580 | { |
2581 | if(rs1[i]) { |
2582 | if(sl<0) { |
2583 | if(i_regs->regmap_entry[tl]!=rs1[i]) emit_loadreg(rs1[i],tl); |
2584 | } |
2585 | if(th>=0) { |
2586 | if(sh<0) { |
2587 | emit_loadreg(rs1[i]|64,th); |
2588 | }else{ |
2589 | emit_mov(sh,th); |
2590 | } |
2591 | } |
2592 | if(opcode[i]==0x0d) //ORI |
2593 | if(sl<0) { |
2594 | emit_orimm(tl,imm[i],tl); |
2595 | }else{ |
2596 | if(!((i_regs->wasconst>>sl)&1)) |
2597 | emit_orimm(sl,imm[i],tl); |
2598 | else |
2599 | emit_movimm(constmap[i][sl]|imm[i],tl); |
2600 | } |
2601 | if(opcode[i]==0x0e) //XORI |
2602 | if(sl<0) { |
2603 | emit_xorimm(tl,imm[i],tl); |
2604 | }else{ |
2605 | if(!((i_regs->wasconst>>sl)&1)) |
2606 | emit_xorimm(sl,imm[i],tl); |
2607 | else |
2608 | emit_movimm(constmap[i][sl]^imm[i],tl); |
2609 | } |
2610 | } |
2611 | else { |
2612 | emit_movimm(imm[i],tl); |
2613 | if(th>=0) emit_zeroreg(th); |
2614 | } |
2615 | } |
2616 | } |
2617 | } |
2618 | } |
2619 | } |
2620 | |
2621 | void shiftimm_assemble(int i,struct regstat *i_regs) |
2622 | { |
2623 | if(opcode2[i]<=0x3) // SLL/SRL/SRA |
2624 | { |
2625 | if(rt1[i]) { |
2626 | signed char s,t; |
2627 | t=get_reg(i_regs->regmap,rt1[i]); |
2628 | s=get_reg(i_regs->regmap,rs1[i]); |
2629 | //assert(t>=0); |
2630 | if(t>=0){ |
2631 | if(rs1[i]==0) |
2632 | { |
2633 | emit_zeroreg(t); |
2634 | } |
2635 | else |
2636 | { |
2637 | if(s<0&&i_regs->regmap_entry[t]!=rs1[i]) emit_loadreg(rs1[i],t); |
2638 | if(imm[i]) { |
2639 | if(opcode2[i]==0) // SLL |
2640 | { |
2641 | emit_shlimm(s<0?t:s,imm[i],t); |
2642 | } |
2643 | if(opcode2[i]==2) // SRL |
2644 | { |
2645 | emit_shrimm(s<0?t:s,imm[i],t); |
2646 | } |
2647 | if(opcode2[i]==3) // SRA |
2648 | { |
2649 | emit_sarimm(s<0?t:s,imm[i],t); |
2650 | } |
2651 | }else{ |
2652 | // Shift by zero |
2653 | if(s>=0 && s!=t) emit_mov(s,t); |
2654 | } |
2655 | } |
2656 | } |
2657 | //emit_storereg(rt1[i],t); //DEBUG |
2658 | } |
2659 | } |
2660 | if(opcode2[i]>=0x38&&opcode2[i]<=0x3b) // DSLL/DSRL/DSRA |
2661 | { |
2662 | if(rt1[i]) { |
2663 | signed char sh,sl,th,tl; |
2664 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2665 | tl=get_reg(i_regs->regmap,rt1[i]); |
2666 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2667 | sl=get_reg(i_regs->regmap,rs1[i]); |
2668 | if(tl>=0) { |
2669 | if(rs1[i]==0) |
2670 | { |
2671 | emit_zeroreg(tl); |
2672 | if(th>=0) emit_zeroreg(th); |
2673 | } |
2674 | else |
2675 | { |
2676 | assert(sl>=0); |
2677 | assert(sh>=0); |
2678 | if(imm[i]) { |
2679 | if(opcode2[i]==0x38) // DSLL |
2680 | { |
2681 | if(th>=0) emit_shldimm(sh,sl,imm[i],th); |
2682 | emit_shlimm(sl,imm[i],tl); |
2683 | } |
2684 | if(opcode2[i]==0x3a) // DSRL |
2685 | { |
2686 | emit_shrdimm(sl,sh,imm[i],tl); |
2687 | if(th>=0) emit_shrimm(sh,imm[i],th); |
2688 | } |
2689 | if(opcode2[i]==0x3b) // DSRA |
2690 | { |
2691 | emit_shrdimm(sl,sh,imm[i],tl); |
2692 | if(th>=0) emit_sarimm(sh,imm[i],th); |
2693 | } |
2694 | }else{ |
2695 | // Shift by zero |
2696 | if(sl!=tl) emit_mov(sl,tl); |
2697 | if(th>=0&&sh!=th) emit_mov(sh,th); |
2698 | } |
2699 | } |
2700 | } |
2701 | } |
2702 | } |
2703 | if(opcode2[i]==0x3c) // DSLL32 |
2704 | { |
2705 | if(rt1[i]) { |
2706 | signed char sl,tl,th; |
2707 | tl=get_reg(i_regs->regmap,rt1[i]); |
2708 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2709 | sl=get_reg(i_regs->regmap,rs1[i]); |
2710 | if(th>=0||tl>=0){ |
2711 | assert(tl>=0); |
2712 | assert(th>=0); |
2713 | assert(sl>=0); |
2714 | emit_mov(sl,th); |
2715 | emit_zeroreg(tl); |
2716 | if(imm[i]>32) |
2717 | { |
2718 | emit_shlimm(th,imm[i]&31,th); |
2719 | } |
2720 | } |
2721 | } |
2722 | } |
2723 | if(opcode2[i]==0x3e) // DSRL32 |
2724 | { |
2725 | if(rt1[i]) { |
2726 | signed char sh,tl,th; |
2727 | tl=get_reg(i_regs->regmap,rt1[i]); |
2728 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2729 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2730 | if(tl>=0){ |
2731 | assert(sh>=0); |
2732 | emit_mov(sh,tl); |
2733 | if(th>=0) emit_zeroreg(th); |
2734 | if(imm[i]>32) |
2735 | { |
2736 | emit_shrimm(tl,imm[i]&31,tl); |
2737 | } |
2738 | } |
2739 | } |
2740 | } |
2741 | if(opcode2[i]==0x3f) // DSRA32 |
2742 | { |
2743 | if(rt1[i]) { |
2744 | signed char sh,tl; |
2745 | tl=get_reg(i_regs->regmap,rt1[i]); |
2746 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
2747 | if(tl>=0){ |
2748 | assert(sh>=0); |
2749 | emit_mov(sh,tl); |
2750 | if(imm[i]>32) |
2751 | { |
2752 | emit_sarimm(tl,imm[i]&31,tl); |
2753 | } |
2754 | } |
2755 | } |
2756 | } |
2757 | } |
2758 | |
2759 | #ifndef shift_assemble |
2760 | void shift_assemble(int i,struct regstat *i_regs) |
2761 | { |
2762 | printf("Need shift_assemble for this architecture.\n"); |
2763 | exit(1); |
2764 | } |
2765 | #endif |
2766 | |
2767 | void load_assemble(int i,struct regstat *i_regs) |
2768 | { |
2769 | int s,th,tl,addr,map=-1; |
2770 | int offset; |
2771 | int jaddr=0; |
5bf843dc |
2772 | int memtarget=0,c=0; |
b1570849 |
2773 | int fastload_reg_override=0; |
57871462 |
2774 | u_int hr,reglist=0; |
2775 | th=get_reg(i_regs->regmap,rt1[i]|64); |
2776 | tl=get_reg(i_regs->regmap,rt1[i]); |
2777 | s=get_reg(i_regs->regmap,rs1[i]); |
2778 | offset=imm[i]; |
2779 | for(hr=0;hr<HOST_REGS;hr++) { |
2780 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
2781 | } |
2782 | if(i_regs->regmap[HOST_CCREG]==CCREG) reglist&=~(1<<HOST_CCREG); |
2783 | if(s>=0) { |
2784 | c=(i_regs->wasconst>>s)&1; |
af4ee1fe |
2785 | if (c) { |
2786 | memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE; |
2787 | if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1; |
2788 | } |
57871462 |
2789 | } |
57871462 |
2790 | //printf("load_assemble: c=%d\n",c); |
2791 | //if(c) printf("load_assemble: const=%x\n",(int)constmap[i][s]+offset); |
2792 | // FIXME: Even if the load is a NOP, we should check for pagefaults... |
5bf843dc |
2793 | #ifdef PCSX |
f18c0f46 |
2794 | if(tl<0&&(!c||(((u_int)constmap[i][s]+offset)>>16)==0x1f80) |
2795 | ||rt1[i]==0) { |
5bf843dc |
2796 | // could be FIFO, must perform the read |
f18c0f46 |
2797 | // ||dummy read |
5bf843dc |
2798 | assem_debug("(forced read)\n"); |
2799 | tl=get_reg(i_regs->regmap,-1); |
2800 | assert(tl>=0); |
5bf843dc |
2801 | } |
f18c0f46 |
2802 | #endif |
5bf843dc |
2803 | if(offset||s<0||c) addr=tl; |
2804 | else addr=s; |
535d208a |
2805 | //if(tl<0) tl=get_reg(i_regs->regmap,-1); |
2806 | if(tl>=0) { |
2807 | //printf("load_assemble: c=%d\n",c); |
2808 | //if(c) printf("load_assemble: const=%x\n",(int)constmap[i][s]+offset); |
2809 | assert(tl>=0); // Even if the load is a NOP, we must check for pagefaults and I/O |
2810 | reglist&=~(1<<tl); |
2811 | if(th>=0) reglist&=~(1<<th); |
2812 | if(!using_tlb) { |
2813 | if(!c) { |
2814 | #ifdef RAM_OFFSET |
2815 | map=get_reg(i_regs->regmap,ROREG); |
2816 | if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG); |
2817 | #endif |
57871462 |
2818 | //#define R29_HACK 1 |
535d208a |
2819 | #ifdef R29_HACK |
2820 | // Strmnnrmn's speed hack |
2821 | if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE) |
2822 | #endif |
2823 | { |
dadf55f2 |
2824 | #ifdef PCSX |
2825 | if(sp_in_mirror&&rs1[i]==29) { |
2826 | emit_andimm(addr,~0x00e00000,HOST_TEMPREG); |
2827 | emit_cmpimm(HOST_TEMPREG,RAM_SIZE); |
b1570849 |
2828 | fastload_reg_override=HOST_TEMPREG; |
dadf55f2 |
2829 | } |
2830 | else |
2831 | #endif |
535d208a |
2832 | emit_cmpimm(addr,RAM_SIZE); |
2833 | jaddr=(int)out; |
2834 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
2835 | // Hint to branch predictor that the branch is unlikely to be taken |
2836 | if(rs1[i]>=28) |
2837 | emit_jno_unlikely(0); |
2838 | else |
57871462 |
2839 | #endif |
535d208a |
2840 | emit_jno(0); |
57871462 |
2841 | } |
535d208a |
2842 | } |
2843 | }else{ // using tlb |
2844 | int x=0; |
2845 | if (opcode[i]==0x20||opcode[i]==0x24) x=3; // LB/LBU |
2846 | if (opcode[i]==0x21||opcode[i]==0x25) x=2; // LH/LHU |
2847 | map=get_reg(i_regs->regmap,TLREG); |
2848 | assert(map>=0); |
ea3d2e6e |
2849 | reglist&=~(1<<map); |
535d208a |
2850 | map=do_tlb_r(addr,tl,map,x,-1,-1,c,constmap[i][s]+offset); |
2851 | do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr); |
2852 | } |
2853 | int dummy=(rt1[i]==0)||(tl!=get_reg(i_regs->regmap,rt1[i])); // ignore loads to r0 and unneeded reg |
2854 | if (opcode[i]==0x20) { // LB |
2855 | if(!c||memtarget) { |
2856 | if(!dummy) { |
57871462 |
2857 | #ifdef HOST_IMM_ADDR32 |
2858 | if(c) |
2859 | emit_movsbl_tlb((constmap[i][s]+offset)^3,map,tl); |
2860 | else |
2861 | #endif |
2862 | { |
2863 | //emit_xorimm(addr,3,tl); |
2864 | //gen_tlb_addr_r(tl,map); |
2865 | //emit_movsbl_indexed((int)rdram-0x80000000,tl,tl); |
535d208a |
2866 | int x=0,a=tl; |
2002a1db |
2867 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
2868 | if(!c) emit_xorimm(addr,3,tl); |
2869 | else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset); |
2002a1db |
2870 | #else |
535d208a |
2871 | if(!c) a=addr; |
dadf55f2 |
2872 | #endif |
b1570849 |
2873 | if(fastload_reg_override) a=fastload_reg_override; |
2874 | |
535d208a |
2875 | emit_movsbl_indexed_tlb(x,a,map,tl); |
57871462 |
2876 | } |
57871462 |
2877 | } |
535d208a |
2878 | if(jaddr) |
2879 | add_stub(LOADB_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
2880 | } |
535d208a |
2881 | else |
2882 | inline_readstub(LOADB_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
2883 | } |
2884 | if (opcode[i]==0x21) { // LH |
2885 | if(!c||memtarget) { |
2886 | if(!dummy) { |
57871462 |
2887 | #ifdef HOST_IMM_ADDR32 |
2888 | if(c) |
2889 | emit_movswl_tlb((constmap[i][s]+offset)^2,map,tl); |
2890 | else |
2891 | #endif |
2892 | { |
535d208a |
2893 | int x=0,a=tl; |
2002a1db |
2894 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
2895 | if(!c) emit_xorimm(addr,2,tl); |
2896 | else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset); |
2002a1db |
2897 | #else |
535d208a |
2898 | if(!c) a=addr; |
dadf55f2 |
2899 | #endif |
b1570849 |
2900 | if(fastload_reg_override) a=fastload_reg_override; |
57871462 |
2901 | //#ifdef |
2902 | //emit_movswl_indexed_tlb(x,tl,map,tl); |
2903 | //else |
2904 | if(map>=0) { |
535d208a |
2905 | gen_tlb_addr_r(a,map); |
2906 | emit_movswl_indexed(x,a,tl); |
2907 | }else{ |
2908 | #ifdef RAM_OFFSET |
2909 | emit_movswl_indexed(x,a,tl); |
2910 | #else |
2911 | emit_movswl_indexed((int)rdram-0x80000000+x,a,tl); |
2912 | #endif |
2913 | } |
57871462 |
2914 | } |
57871462 |
2915 | } |
535d208a |
2916 | if(jaddr) |
2917 | add_stub(LOADH_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
2918 | } |
535d208a |
2919 | else |
2920 | inline_readstub(LOADH_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
2921 | } |
2922 | if (opcode[i]==0x23) { // LW |
2923 | if(!c||memtarget) { |
2924 | if(!dummy) { |
dadf55f2 |
2925 | int a=addr; |
b1570849 |
2926 | if(fastload_reg_override) a=fastload_reg_override; |
57871462 |
2927 | //emit_readword_indexed((int)rdram-0x80000000,addr,tl); |
2928 | #ifdef HOST_IMM_ADDR32 |
2929 | if(c) |
2930 | emit_readword_tlb(constmap[i][s]+offset,map,tl); |
2931 | else |
2932 | #endif |
dadf55f2 |
2933 | emit_readword_indexed_tlb(0,a,map,tl); |
57871462 |
2934 | } |
535d208a |
2935 | if(jaddr) |
2936 | add_stub(LOADW_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
2937 | } |
535d208a |
2938 | else |
2939 | inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
2940 | } |
2941 | if (opcode[i]==0x24) { // LBU |
2942 | if(!c||memtarget) { |
2943 | if(!dummy) { |
57871462 |
2944 | #ifdef HOST_IMM_ADDR32 |
2945 | if(c) |
2946 | emit_movzbl_tlb((constmap[i][s]+offset)^3,map,tl); |
2947 | else |
2948 | #endif |
2949 | { |
2950 | //emit_xorimm(addr,3,tl); |
2951 | //gen_tlb_addr_r(tl,map); |
2952 | //emit_movzbl_indexed((int)rdram-0x80000000,tl,tl); |
535d208a |
2953 | int x=0,a=tl; |
2002a1db |
2954 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
2955 | if(!c) emit_xorimm(addr,3,tl); |
2956 | else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset); |
2002a1db |
2957 | #else |
535d208a |
2958 | if(!c) a=addr; |
dadf55f2 |
2959 | #endif |
b1570849 |
2960 | if(fastload_reg_override) a=fastload_reg_override; |
2961 | |
535d208a |
2962 | emit_movzbl_indexed_tlb(x,a,map,tl); |
57871462 |
2963 | } |
57871462 |
2964 | } |
535d208a |
2965 | if(jaddr) |
2966 | add_stub(LOADBU_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
2967 | } |
535d208a |
2968 | else |
2969 | inline_readstub(LOADBU_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
2970 | } |
2971 | if (opcode[i]==0x25) { // LHU |
2972 | if(!c||memtarget) { |
2973 | if(!dummy) { |
57871462 |
2974 | #ifdef HOST_IMM_ADDR32 |
2975 | if(c) |
2976 | emit_movzwl_tlb((constmap[i][s]+offset)^2,map,tl); |
2977 | else |
2978 | #endif |
2979 | { |
535d208a |
2980 | int x=0,a=tl; |
2002a1db |
2981 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
2982 | if(!c) emit_xorimm(addr,2,tl); |
2983 | else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset); |
2002a1db |
2984 | #else |
535d208a |
2985 | if(!c) a=addr; |
dadf55f2 |
2986 | #endif |
b1570849 |
2987 | if(fastload_reg_override) a=fastload_reg_override; |
57871462 |
2988 | //#ifdef |
2989 | //emit_movzwl_indexed_tlb(x,tl,map,tl); |
2990 | //#else |
2991 | if(map>=0) { |
535d208a |
2992 | gen_tlb_addr_r(a,map); |
2993 | emit_movzwl_indexed(x,a,tl); |
2994 | }else{ |
2995 | #ifdef RAM_OFFSET |
2996 | emit_movzwl_indexed(x,a,tl); |
2997 | #else |
2998 | emit_movzwl_indexed((int)rdram-0x80000000+x,a,tl); |
2999 | #endif |
3000 | } |
57871462 |
3001 | } |
3002 | } |
535d208a |
3003 | if(jaddr) |
3004 | add_stub(LOADHU_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
3005 | } |
535d208a |
3006 | else |
3007 | inline_readstub(LOADHU_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
3008 | } |
3009 | if (opcode[i]==0x27) { // LWU |
3010 | assert(th>=0); |
3011 | if(!c||memtarget) { |
3012 | if(!dummy) { |
dadf55f2 |
3013 | int a=addr; |
b1570849 |
3014 | if(fastload_reg_override) a=fastload_reg_override; |
57871462 |
3015 | //emit_readword_indexed((int)rdram-0x80000000,addr,tl); |
3016 | #ifdef HOST_IMM_ADDR32 |
3017 | if(c) |
3018 | emit_readword_tlb(constmap[i][s]+offset,map,tl); |
3019 | else |
3020 | #endif |
dadf55f2 |
3021 | emit_readword_indexed_tlb(0,a,map,tl); |
57871462 |
3022 | } |
535d208a |
3023 | if(jaddr) |
3024 | add_stub(LOADW_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
3025 | } |
3026 | else { |
3027 | inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
57871462 |
3028 | } |
535d208a |
3029 | emit_zeroreg(th); |
3030 | } |
3031 | if (opcode[i]==0x37) { // LD |
3032 | if(!c||memtarget) { |
3033 | if(!dummy) { |
dadf55f2 |
3034 | int a=addr; |
b1570849 |
3035 | if(fastload_reg_override) a=fastload_reg_override; |
57871462 |
3036 | //gen_tlb_addr_r(tl,map); |
3037 | //if(th>=0) emit_readword_indexed((int)rdram-0x80000000,addr,th); |
3038 | //emit_readword_indexed((int)rdram-0x7FFFFFFC,addr,tl); |
3039 | #ifdef HOST_IMM_ADDR32 |
3040 | if(c) |
3041 | emit_readdword_tlb(constmap[i][s]+offset,map,th,tl); |
3042 | else |
3043 | #endif |
dadf55f2 |
3044 | emit_readdword_indexed_tlb(0,a,map,th,tl); |
57871462 |
3045 | } |
535d208a |
3046 | if(jaddr) |
3047 | add_stub(LOADD_STUB,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
57871462 |
3048 | } |
535d208a |
3049 | else |
3050 | inline_readstub(LOADD_STUB,i,constmap[i][s]+offset,i_regs->regmap,rt1[i],ccadj[i],reglist); |
57871462 |
3051 | } |
535d208a |
3052 | } |
3053 | //emit_storereg(rt1[i],tl); // DEBUG |
57871462 |
3054 | //if(opcode[i]==0x23) |
3055 | //if(opcode[i]==0x24) |
3056 | //if(opcode[i]==0x23||opcode[i]==0x24) |
3057 | /*if(opcode[i]==0x21||opcode[i]==0x23||opcode[i]==0x24) |
3058 | { |
3059 | //emit_pusha(); |
3060 | save_regs(0x100f); |
3061 | emit_readword((int)&last_count,ECX); |
3062 | #ifdef __i386__ |
3063 | if(get_reg(i_regs->regmap,CCREG)<0) |
3064 | emit_loadreg(CCREG,HOST_CCREG); |
3065 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
3066 | emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG); |
3067 | emit_writeword(HOST_CCREG,(int)&Count); |
3068 | #endif |
3069 | #ifdef __arm__ |
3070 | if(get_reg(i_regs->regmap,CCREG)<0) |
3071 | emit_loadreg(CCREG,0); |
3072 | else |
3073 | emit_mov(HOST_CCREG,0); |
3074 | emit_add(0,ECX,0); |
3075 | emit_addimm(0,2*ccadj[i],0); |
3076 | emit_writeword(0,(int)&Count); |
3077 | #endif |
3078 | emit_call((int)memdebug); |
3079 | //emit_popa(); |
3080 | restore_regs(0x100f); |
3081 | }/**/ |
3082 | } |
3083 | |
3084 | #ifndef loadlr_assemble |
3085 | void loadlr_assemble(int i,struct regstat *i_regs) |
3086 | { |
3087 | printf("Need loadlr_assemble for this architecture.\n"); |
3088 | exit(1); |
3089 | } |
3090 | #endif |
3091 | |
3092 | void store_assemble(int i,struct regstat *i_regs) |
3093 | { |
3094 | int s,th,tl,map=-1; |
3095 | int addr,temp; |
3096 | int offset; |
3097 | int jaddr=0,jaddr2,type; |
666a299d |
3098 | int memtarget=0,c=0; |
57871462 |
3099 | int agr=AGEN1+(i&1); |
b1570849 |
3100 | int faststore_reg_override=0; |
57871462 |
3101 | u_int hr,reglist=0; |
3102 | th=get_reg(i_regs->regmap,rs2[i]|64); |
3103 | tl=get_reg(i_regs->regmap,rs2[i]); |
3104 | s=get_reg(i_regs->regmap,rs1[i]); |
3105 | temp=get_reg(i_regs->regmap,agr); |
3106 | if(temp<0) temp=get_reg(i_regs->regmap,-1); |
3107 | offset=imm[i]; |
3108 | if(s>=0) { |
3109 | c=(i_regs->wasconst>>s)&1; |
af4ee1fe |
3110 | if(c) { |
3111 | memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE; |
3112 | if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1; |
3113 | } |
57871462 |
3114 | } |
3115 | assert(tl>=0); |
3116 | assert(temp>=0); |
3117 | for(hr=0;hr<HOST_REGS;hr++) { |
3118 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
3119 | } |
3120 | if(i_regs->regmap[HOST_CCREG]==CCREG) reglist&=~(1<<HOST_CCREG); |
3121 | if(offset||s<0||c) addr=temp; |
3122 | else addr=s; |
3123 | if(!using_tlb) { |
3124 | if(!c) { |
dadf55f2 |
3125 | #ifdef PCSX |
3126 | if(sp_in_mirror&&rs1[i]==29) { |
3127 | emit_andimm(addr,~0x00e00000,HOST_TEMPREG); |
3128 | emit_cmpimm(HOST_TEMPREG,RAM_SIZE); |
b1570849 |
3129 | faststore_reg_override=HOST_TEMPREG; |
dadf55f2 |
3130 | } |
3131 | else |
3132 | #endif |
57871462 |
3133 | #ifdef R29_HACK |
3134 | // Strmnnrmn's speed hack |
4cb76aa4 |
3135 | if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE) |
57871462 |
3136 | #endif |
4cb76aa4 |
3137 | emit_cmpimm(addr,RAM_SIZE); |
57871462 |
3138 | #ifdef DESTRUCTIVE_SHIFT |
3139 | if(s==addr) emit_mov(s,temp); |
3140 | #endif |
3141 | #ifdef R29_HACK |
dadf55f2 |
3142 | memtarget=1; |
4cb76aa4 |
3143 | if(rs1[i]!=29||start<0x80001000||start>=0x80000000+RAM_SIZE) |
57871462 |
3144 | #endif |
3145 | { |
3146 | jaddr=(int)out; |
3147 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
3148 | // Hint to branch predictor that the branch is unlikely to be taken |
3149 | if(rs1[i]>=28) |
3150 | emit_jno_unlikely(0); |
3151 | else |
3152 | #endif |
3153 | emit_jno(0); |
3154 | } |
3155 | } |
3156 | }else{ // using tlb |
3157 | int x=0; |
3158 | if (opcode[i]==0x28) x=3; // SB |
3159 | if (opcode[i]==0x29) x=2; // SH |
3160 | map=get_reg(i_regs->regmap,TLREG); |
3161 | assert(map>=0); |
ea3d2e6e |
3162 | reglist&=~(1<<map); |
57871462 |
3163 | map=do_tlb_w(addr,temp,map,x,c,constmap[i][s]+offset); |
3164 | do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr); |
3165 | } |
3166 | |
3167 | if (opcode[i]==0x28) { // SB |
3168 | if(!c||memtarget) { |
97a238a6 |
3169 | int x=0,a=temp; |
2002a1db |
3170 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
3171 | if(!c) emit_xorimm(addr,3,temp); |
3172 | else x=((constmap[i][s]+offset)^3)-(constmap[i][s]+offset); |
2002a1db |
3173 | #else |
97a238a6 |
3174 | if(!c) a=addr; |
dadf55f2 |
3175 | #endif |
b1570849 |
3176 | if(faststore_reg_override) a=faststore_reg_override; |
57871462 |
3177 | //gen_tlb_addr_w(temp,map); |
3178 | //emit_writebyte_indexed(tl,(int)rdram-0x80000000,temp); |
97a238a6 |
3179 | emit_writebyte_indexed_tlb(tl,x,a,map,a); |
57871462 |
3180 | } |
3181 | type=STOREB_STUB; |
3182 | } |
3183 | if (opcode[i]==0x29) { // SH |
3184 | if(!c||memtarget) { |
97a238a6 |
3185 | int x=0,a=temp; |
2002a1db |
3186 | #ifdef BIG_ENDIAN_MIPS |
57871462 |
3187 | if(!c) emit_xorimm(addr,2,temp); |
3188 | else x=((constmap[i][s]+offset)^2)-(constmap[i][s]+offset); |
2002a1db |
3189 | #else |
97a238a6 |
3190 | if(!c) a=addr; |
dadf55f2 |
3191 | #endif |
b1570849 |
3192 | if(faststore_reg_override) a=faststore_reg_override; |
57871462 |
3193 | //#ifdef |
3194 | //emit_writehword_indexed_tlb(tl,x,temp,map,temp); |
3195 | //#else |
3196 | if(map>=0) { |
97a238a6 |
3197 | gen_tlb_addr_w(a,map); |
3198 | emit_writehword_indexed(tl,x,a); |
57871462 |
3199 | }else |
97a238a6 |
3200 | emit_writehword_indexed(tl,(int)rdram-0x80000000+x,a); |
57871462 |
3201 | } |
3202 | type=STOREH_STUB; |
3203 | } |
3204 | if (opcode[i]==0x2B) { // SW |
dadf55f2 |
3205 | if(!c||memtarget) { |
3206 | int a=addr; |
b1570849 |
3207 | if(faststore_reg_override) a=faststore_reg_override; |
57871462 |
3208 | //emit_writeword_indexed(tl,(int)rdram-0x80000000,addr); |
dadf55f2 |
3209 | emit_writeword_indexed_tlb(tl,0,a,map,temp); |
3210 | } |
57871462 |
3211 | type=STOREW_STUB; |
3212 | } |
3213 | if (opcode[i]==0x3F) { // SD |
3214 | if(!c||memtarget) { |
dadf55f2 |
3215 | int a=addr; |
b1570849 |
3216 | if(faststore_reg_override) a=faststore_reg_override; |
57871462 |
3217 | if(rs2[i]) { |
3218 | assert(th>=0); |
3219 | //emit_writeword_indexed(th,(int)rdram-0x80000000,addr); |
3220 | //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,addr); |
dadf55f2 |
3221 | emit_writedword_indexed_tlb(th,tl,0,a,map,temp); |
57871462 |
3222 | }else{ |
3223 | // Store zero |
3224 | //emit_writeword_indexed(tl,(int)rdram-0x80000000,temp); |
3225 | //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,temp); |
dadf55f2 |
3226 | emit_writedword_indexed_tlb(tl,tl,0,a,map,temp); |
57871462 |
3227 | } |
3228 | } |
3229 | type=STORED_STUB; |
3230 | } |
57871462 |
3231 | if(!using_tlb) { |
3232 | if(!c||memtarget) { |
3233 | #ifdef DESTRUCTIVE_SHIFT |
3234 | // The x86 shift operation is 'destructive'; it overwrites the |
3235 | // source register, so we need to make a copy first and use that. |
3236 | addr=temp; |
3237 | #endif |
3238 | #if defined(HOST_IMM8) |
3239 | int ir=get_reg(i_regs->regmap,INVCP); |
3240 | assert(ir>=0); |
3241 | emit_cmpmem_indexedsr12_reg(ir,addr,1); |
3242 | #else |
3243 | emit_cmpmem_indexedsr12_imm((int)invalid_code,addr,1); |
3244 | #endif |
0bbd1454 |
3245 | #if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT) |
3246 | emit_callne(invalidate_addr_reg[addr]); |
3247 | #else |
57871462 |
3248 | jaddr2=(int)out; |
3249 | emit_jne(0); |
3250 | add_stub(INVCODE_STUB,jaddr2,(int)out,reglist|(1<<HOST_CCREG),addr,0,0,0); |
0bbd1454 |
3251 | #endif |
57871462 |
3252 | } |
3253 | } |
3eaa7048 |
3254 | if(jaddr) { |
3255 | add_stub(type,jaddr,(int)out,i,addr,(int)i_regs,ccadj[i],reglist); |
3256 | } else if(c&&!memtarget) { |
3257 | inline_writestub(type,i,constmap[i][s]+offset,i_regs->regmap,rs2[i],ccadj[i],reglist); |
3258 | } |
57871462 |
3259 | //if(opcode[i]==0x2B || opcode[i]==0x3F) |
3260 | //if(opcode[i]==0x2B || opcode[i]==0x28) |
3261 | //if(opcode[i]==0x2B || opcode[i]==0x29) |
3262 | //if(opcode[i]==0x2B) |
3263 | /*if(opcode[i]==0x2B || opcode[i]==0x28 || opcode[i]==0x29 || opcode[i]==0x3F) |
3264 | { |
28d74ee8 |
3265 | #ifdef __i386__ |
3266 | emit_pusha(); |
3267 | #endif |
3268 | #ifdef __arm__ |
57871462 |
3269 | save_regs(0x100f); |
28d74ee8 |
3270 | #endif |
57871462 |
3271 | emit_readword((int)&last_count,ECX); |
3272 | #ifdef __i386__ |
3273 | if(get_reg(i_regs->regmap,CCREG)<0) |
3274 | emit_loadreg(CCREG,HOST_CCREG); |
3275 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
3276 | emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG); |
3277 | emit_writeword(HOST_CCREG,(int)&Count); |
3278 | #endif |
3279 | #ifdef __arm__ |
3280 | if(get_reg(i_regs->regmap,CCREG)<0) |
3281 | emit_loadreg(CCREG,0); |
3282 | else |
3283 | emit_mov(HOST_CCREG,0); |
3284 | emit_add(0,ECX,0); |
3285 | emit_addimm(0,2*ccadj[i],0); |
3286 | emit_writeword(0,(int)&Count); |
3287 | #endif |
3288 | emit_call((int)memdebug); |
28d74ee8 |
3289 | #ifdef __i386__ |
3290 | emit_popa(); |
3291 | #endif |
3292 | #ifdef __arm__ |
57871462 |
3293 | restore_regs(0x100f); |
28d74ee8 |
3294 | #endif |
57871462 |
3295 | }/**/ |
3296 | } |
3297 | |
3298 | void storelr_assemble(int i,struct regstat *i_regs) |
3299 | { |
3300 | int s,th,tl; |
3301 | int temp; |
3302 | int temp2; |
3303 | int offset; |
3304 | int jaddr=0,jaddr2; |
3305 | int case1,case2,case3; |
3306 | int done0,done1,done2; |
af4ee1fe |
3307 | int memtarget=0,c=0; |
fab5d06d |
3308 | int agr=AGEN1+(i&1); |
57871462 |
3309 | u_int hr,reglist=0; |
3310 | th=get_reg(i_regs->regmap,rs2[i]|64); |
3311 | tl=get_reg(i_regs->regmap,rs2[i]); |
3312 | s=get_reg(i_regs->regmap,rs1[i]); |
fab5d06d |
3313 | temp=get_reg(i_regs->regmap,agr); |
3314 | if(temp<0) temp=get_reg(i_regs->regmap,-1); |
57871462 |
3315 | offset=imm[i]; |
3316 | if(s>=0) { |
3317 | c=(i_regs->isconst>>s)&1; |
af4ee1fe |
3318 | if(c) { |
3319 | memtarget=((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE; |
3320 | if(using_tlb&&((signed int)(constmap[i][s]+offset))>=(signed int)0xC0000000) memtarget=1; |
3321 | } |
57871462 |
3322 | } |
3323 | assert(tl>=0); |
3324 | for(hr=0;hr<HOST_REGS;hr++) { |
3325 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
3326 | } |
535d208a |
3327 | assert(temp>=0); |
3328 | if(!using_tlb) { |
3329 | if(!c) { |
3330 | emit_cmpimm(s<0||offset?temp:s,RAM_SIZE); |
3331 | if(!offset&&s!=temp) emit_mov(s,temp); |
3332 | jaddr=(int)out; |
3333 | emit_jno(0); |
3334 | } |
3335 | else |
3336 | { |
3337 | if(!memtarget||!rs1[i]) { |
57871462 |
3338 | jaddr=(int)out; |
3339 | emit_jmp(0); |
3340 | } |
57871462 |
3341 | } |
535d208a |
3342 | #ifdef RAM_OFFSET |
3343 | int map=get_reg(i_regs->regmap,ROREG); |
3344 | if(map<0) emit_loadreg(ROREG,map=HOST_TEMPREG); |
3345 | gen_tlb_addr_w(temp,map); |
3346 | #else |
3347 | if((u_int)rdram!=0x80000000) |
3348 | emit_addimm_no_flags((u_int)rdram-(u_int)0x80000000,temp); |
3349 | #endif |
3350 | }else{ // using tlb |
3351 | int map=get_reg(i_regs->regmap,TLREG); |
3352 | assert(map>=0); |
ea3d2e6e |
3353 | reglist&=~(1<<map); |
535d208a |
3354 | map=do_tlb_w(c||s<0||offset?temp:s,temp,map,0,c,constmap[i][s]+offset); |
3355 | if(!c&&!offset&&s>=0) emit_mov(s,temp); |
3356 | do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr); |
3357 | if(!jaddr&&!memtarget) { |
3358 | jaddr=(int)out; |
3359 | emit_jmp(0); |
57871462 |
3360 | } |
535d208a |
3361 | gen_tlb_addr_w(temp,map); |
3362 | } |
3363 | |
3364 | if (opcode[i]==0x2C||opcode[i]==0x2D) { // SDL/SDR |
3365 | temp2=get_reg(i_regs->regmap,FTEMP); |
3366 | if(!rs2[i]) temp2=th=tl; |
3367 | } |
57871462 |
3368 | |
2002a1db |
3369 | #ifndef BIG_ENDIAN_MIPS |
3370 | emit_xorimm(temp,3,temp); |
3371 | #endif |
535d208a |
3372 | emit_testimm(temp,2); |
3373 | case2=(int)out; |
3374 | emit_jne(0); |
3375 | emit_testimm(temp,1); |
3376 | case1=(int)out; |
3377 | emit_jne(0); |
3378 | // 0 |
3379 | if (opcode[i]==0x2A) { // SWL |
3380 | emit_writeword_indexed(tl,0,temp); |
3381 | } |
3382 | if (opcode[i]==0x2E) { // SWR |
3383 | emit_writebyte_indexed(tl,3,temp); |
3384 | } |
3385 | if (opcode[i]==0x2C) { // SDL |
3386 | emit_writeword_indexed(th,0,temp); |
3387 | if(rs2[i]) emit_mov(tl,temp2); |
3388 | } |
3389 | if (opcode[i]==0x2D) { // SDR |
3390 | emit_writebyte_indexed(tl,3,temp); |
3391 | if(rs2[i]) emit_shldimm(th,tl,24,temp2); |
3392 | } |
3393 | done0=(int)out; |
3394 | emit_jmp(0); |
3395 | // 1 |
3396 | set_jump_target(case1,(int)out); |
3397 | if (opcode[i]==0x2A) { // SWL |
3398 | // Write 3 msb into three least significant bytes |
3399 | if(rs2[i]) emit_rorimm(tl,8,tl); |
3400 | emit_writehword_indexed(tl,-1,temp); |
3401 | if(rs2[i]) emit_rorimm(tl,16,tl); |
3402 | emit_writebyte_indexed(tl,1,temp); |
3403 | if(rs2[i]) emit_rorimm(tl,8,tl); |
3404 | } |
3405 | if (opcode[i]==0x2E) { // SWR |
3406 | // Write two lsb into two most significant bytes |
3407 | emit_writehword_indexed(tl,1,temp); |
3408 | } |
3409 | if (opcode[i]==0x2C) { // SDL |
3410 | if(rs2[i]) emit_shrdimm(tl,th,8,temp2); |
3411 | // Write 3 msb into three least significant bytes |
3412 | if(rs2[i]) emit_rorimm(th,8,th); |
3413 | emit_writehword_indexed(th,-1,temp); |
3414 | if(rs2[i]) emit_rorimm(th,16,th); |
3415 | emit_writebyte_indexed(th,1,temp); |
3416 | if(rs2[i]) emit_rorimm(th,8,th); |
3417 | } |
3418 | if (opcode[i]==0x2D) { // SDR |
3419 | if(rs2[i]) emit_shldimm(th,tl,16,temp2); |
3420 | // Write two lsb into two most significant bytes |
3421 | emit_writehword_indexed(tl,1,temp); |
3422 | } |
3423 | done1=(int)out; |
3424 | emit_jmp(0); |
3425 | // 2 |
3426 | set_jump_target(case2,(int)out); |
3427 | emit_testimm(temp,1); |
3428 | case3=(int)out; |
3429 | emit_jne(0); |
3430 | if (opcode[i]==0x2A) { // SWL |
3431 | // Write two msb into two least significant bytes |
3432 | if(rs2[i]) emit_rorimm(tl,16,tl); |
3433 | emit_writehword_indexed(tl,-2,temp); |
3434 | if(rs2[i]) emit_rorimm(tl,16,tl); |
3435 | } |
3436 | if (opcode[i]==0x2E) { // SWR |
3437 | // Write 3 lsb into three most significant bytes |
3438 | emit_writebyte_indexed(tl,-1,temp); |
3439 | if(rs2[i]) emit_rorimm(tl,8,tl); |
3440 | emit_writehword_indexed(tl,0,temp); |
3441 | if(rs2[i]) emit_rorimm(tl,24,tl); |
3442 | } |
3443 | if (opcode[i]==0x2C) { // SDL |
3444 | if(rs2[i]) emit_shrdimm(tl,th,16,temp2); |
3445 | // Write two msb into two least significant bytes |
3446 | if(rs2[i]) emit_rorimm(th,16,th); |
3447 | emit_writehword_indexed(th,-2,temp); |
3448 | if(rs2[i]) emit_rorimm(th,16,th); |
3449 | } |
3450 | if (opcode[i]==0x2D) { // SDR |
3451 | if(rs2[i]) emit_shldimm(th,tl,8,temp2); |
3452 | // Write 3 lsb into three most significant bytes |
3453 | emit_writebyte_indexed(tl,-1,temp); |
3454 | if(rs2[i]) emit_rorimm(tl,8,tl); |
3455 | emit_writehword_indexed(tl,0,temp); |
3456 | if(rs2[i]) emit_rorimm(tl,24,tl); |
3457 | } |
3458 | done2=(int)out; |
3459 | emit_jmp(0); |
3460 | // 3 |
3461 | set_jump_target(case3,(int)out); |
3462 | if (opcode[i]==0x2A) { // SWL |
3463 | // Write msb into least significant byte |
3464 | if(rs2[i]) emit_rorimm(tl,24,tl); |
3465 | emit_writebyte_indexed(tl,-3,temp); |
3466 | if(rs2[i]) emit_rorimm(tl,8,tl); |
3467 | } |
3468 | if (opcode[i]==0x2E) { // SWR |
3469 | // Write entire word |
3470 | emit_writeword_indexed(tl,-3,temp); |
3471 | } |
3472 | if (opcode[i]==0x2C) { // SDL |
3473 | if(rs2[i]) emit_shrdimm(tl,th,24,temp2); |
3474 | // Write msb into least significant byte |
3475 | if(rs2[i]) emit_rorimm(th,24,th); |
3476 | emit_writebyte_indexed(th,-3,temp); |
3477 | if(rs2[i]) emit_rorimm(th,8,th); |
3478 | } |
3479 | if (opcode[i]==0x2D) { // SDR |
3480 | if(rs2[i]) emit_mov(th,temp2); |
3481 | // Write entire word |
3482 | emit_writeword_indexed(tl,-3,temp); |
3483 | } |
3484 | set_jump_target(done0,(int)out); |
3485 | set_jump_target(done1,(int)out); |
3486 | set_jump_target(done2,(int)out); |
3487 | if (opcode[i]==0x2C) { // SDL |
3488 | emit_testimm(temp,4); |
57871462 |
3489 | done0=(int)out; |
57871462 |
3490 | emit_jne(0); |
535d208a |
3491 | emit_andimm(temp,~3,temp); |
3492 | emit_writeword_indexed(temp2,4,temp); |
3493 | set_jump_target(done0,(int)out); |
3494 | } |
3495 | if (opcode[i]==0x2D) { // SDR |
3496 | emit_testimm(temp,4); |
3497 | done0=(int)out; |
3498 | emit_jeq(0); |
3499 | emit_andimm(temp,~3,temp); |
3500 | emit_writeword_indexed(temp2,-4,temp); |
57871462 |
3501 | set_jump_target(done0,(int)out); |
57871462 |
3502 | } |
535d208a |
3503 | if(!c||!memtarget) |
3504 | add_stub(STORELR_STUB,jaddr,(int)out,i,(int)i_regs,temp,ccadj[i],reglist); |
57871462 |
3505 | if(!using_tlb) { |
535d208a |
3506 | #ifdef RAM_OFFSET |
3507 | int map=get_reg(i_regs->regmap,ROREG); |
3508 | if(map<0) map=HOST_TEMPREG; |
3509 | gen_orig_addr_w(temp,map); |
3510 | #else |
57871462 |
3511 | emit_addimm_no_flags((u_int)0x80000000-(u_int)rdram,temp); |
535d208a |
3512 | #endif |
57871462 |
3513 | #if defined(HOST_IMM8) |
3514 | int ir=get_reg(i_regs->regmap,INVCP); |
3515 | assert(ir>=0); |
3516 | emit_cmpmem_indexedsr12_reg(ir,temp,1); |
3517 | #else |
3518 | emit_cmpmem_indexedsr12_imm((int)invalid_code,temp,1); |
3519 | #endif |
535d208a |
3520 | #if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT) |
3521 | emit_callne(invalidate_addr_reg[temp]); |
3522 | #else |
57871462 |
3523 | jaddr2=(int)out; |
3524 | emit_jne(0); |
3525 | add_stub(INVCODE_STUB,jaddr2,(int)out,reglist|(1<<HOST_CCREG),temp,0,0,0); |
535d208a |
3526 | #endif |
57871462 |
3527 | } |
3528 | /* |
3529 | emit_pusha(); |
3530 | //save_regs(0x100f); |
3531 | emit_readword((int)&last_count,ECX); |
3532 | if(get_reg(i_regs->regmap,CCREG)<0) |
3533 | emit_loadreg(CCREG,HOST_CCREG); |
3534 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
3535 | emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG); |
3536 | emit_writeword(HOST_CCREG,(int)&Count); |
3537 | emit_call((int)memdebug); |
3538 | emit_popa(); |
3539 | //restore_regs(0x100f); |
3540 | /**/ |
3541 | } |
3542 | |
3543 | void c1ls_assemble(int i,struct regstat *i_regs) |
3544 | { |
3d624f89 |
3545 | #ifndef DISABLE_COP1 |
57871462 |
3546 | int s,th,tl; |
3547 | int temp,ar; |
3548 | int map=-1; |
3549 | int offset; |
3550 | int c=0; |
3551 | int jaddr,jaddr2=0,jaddr3,type; |
3552 | int agr=AGEN1+(i&1); |
3553 | u_int hr,reglist=0; |
3554 | th=get_reg(i_regs->regmap,FTEMP|64); |
3555 | tl=get_reg(i_regs->regmap,FTEMP); |
3556 | s=get_reg(i_regs->regmap,rs1[i]); |
3557 | temp=get_reg(i_regs->regmap,agr); |
3558 | if(temp<0) temp=get_reg(i_regs->regmap,-1); |
3559 | offset=imm[i]; |
3560 | assert(tl>=0); |
3561 | assert(rs1[i]>0); |
3562 | assert(temp>=0); |
3563 | for(hr=0;hr<HOST_REGS;hr++) { |
3564 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
3565 | } |
3566 | if(i_regs->regmap[HOST_CCREG]==CCREG) reglist&=~(1<<HOST_CCREG); |
3567 | if (opcode[i]==0x31||opcode[i]==0x35) // LWC1/LDC1 |
3568 | { |
3569 | // Loads use a temporary register which we need to save |
3570 | reglist|=1<<temp; |
3571 | } |
3572 | if (opcode[i]==0x39||opcode[i]==0x3D) // SWC1/SDC1 |
3573 | ar=temp; |
3574 | else // LWC1/LDC1 |
3575 | ar=tl; |
3576 | //if(s<0) emit_loadreg(rs1[i],ar); //address_generation does this now |
3577 | //else c=(i_regs->wasconst>>s)&1; |
3578 | if(s>=0) c=(i_regs->wasconst>>s)&1; |
3579 | // Check cop1 unusable |
3580 | if(!cop1_usable) { |
3581 | signed char rs=get_reg(i_regs->regmap,CSREG); |
3582 | assert(rs>=0); |
3583 | emit_testimm(rs,0x20000000); |
3584 | jaddr=(int)out; |
3585 | emit_jeq(0); |
3586 | add_stub(FP_STUB,jaddr,(int)out,i,rs,(int)i_regs,is_delayslot,0); |
3587 | cop1_usable=1; |
3588 | } |
3589 | if (opcode[i]==0x39) { // SWC1 (get float address) |
3590 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],tl); |
3591 | } |
3592 | if (opcode[i]==0x3D) { // SDC1 (get double address) |
3593 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],tl); |
3594 | } |
3595 | // Generate address + offset |
3596 | if(!using_tlb) { |
3597 | if(!c) |
4cb76aa4 |
3598 | emit_cmpimm(offset||c||s<0?ar:s,RAM_SIZE); |
57871462 |
3599 | } |
3600 | else |
3601 | { |
3602 | map=get_reg(i_regs->regmap,TLREG); |
3603 | assert(map>=0); |
ea3d2e6e |
3604 | reglist&=~(1<<map); |
57871462 |
3605 | if (opcode[i]==0x31||opcode[i]==0x35) { // LWC1/LDC1 |
3606 | map=do_tlb_r(offset||c||s<0?ar:s,ar,map,0,-1,-1,c,constmap[i][s]+offset); |
3607 | } |
3608 | if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1 |
3609 | map=do_tlb_w(offset||c||s<0?ar:s,ar,map,0,c,constmap[i][s]+offset); |
3610 | } |
3611 | } |
3612 | if (opcode[i]==0x39) { // SWC1 (read float) |
3613 | emit_readword_indexed(0,tl,tl); |
3614 | } |
3615 | if (opcode[i]==0x3D) { // SDC1 (read double) |
3616 | emit_readword_indexed(4,tl,th); |
3617 | emit_readword_indexed(0,tl,tl); |
3618 | } |
3619 | if (opcode[i]==0x31) { // LWC1 (get target address) |
3620 | emit_readword((int)®_cop1_simple[(source[i]>>16)&0x1f],temp); |
3621 | } |
3622 | if (opcode[i]==0x35) { // LDC1 (get target address) |
3623 | emit_readword((int)®_cop1_double[(source[i]>>16)&0x1f],temp); |
3624 | } |
3625 | if(!using_tlb) { |
3626 | if(!c) { |
3627 | jaddr2=(int)out; |
3628 | emit_jno(0); |
3629 | } |
4cb76aa4 |
3630 | else if(((signed int)(constmap[i][s]+offset))>=(signed int)0x80000000+RAM_SIZE) { |
57871462 |
3631 | jaddr2=(int)out; |
3632 | emit_jmp(0); // inline_readstub/inline_writestub? Very rare case |
3633 | } |
3634 | #ifdef DESTRUCTIVE_SHIFT |
3635 | if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1 |
3636 | if(!offset&&!c&&s>=0) emit_mov(s,ar); |
3637 | } |
3638 | #endif |
3639 | }else{ |
3640 | if (opcode[i]==0x31||opcode[i]==0x35) { // LWC1/LDC1 |
3641 | do_tlb_r_branch(map,c,constmap[i][s]+offset,&jaddr2); |
3642 | } |
3643 | if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1 |
3644 | do_tlb_w_branch(map,c,constmap[i][s]+offset,&jaddr2); |
3645 | } |
3646 | } |
3647 | if (opcode[i]==0x31) { // LWC1 |
3648 | //if(s>=0&&!c&&!offset) emit_mov(s,tl); |
3649 | //gen_tlb_addr_r(ar,map); |
3650 | //emit_readword_indexed((int)rdram-0x80000000,tl,tl); |
3651 | #ifdef HOST_IMM_ADDR32 |
3652 | if(c) emit_readword_tlb(constmap[i][s]+offset,map,tl); |
3653 | else |
3654 | #endif |
3655 | emit_readword_indexed_tlb(0,offset||c||s<0?tl:s,map,tl); |
3656 | type=LOADW_STUB; |
3657 | } |
3658 | if (opcode[i]==0x35) { // LDC1 |
3659 | assert(th>=0); |
3660 | //if(s>=0&&!c&&!offset) emit_mov(s,tl); |
3661 | //gen_tlb_addr_r(ar,map); |
3662 | //emit_readword_indexed((int)rdram-0x80000000,tl,th); |
3663 | //emit_readword_indexed((int)rdram-0x7FFFFFFC,tl,tl); |
3664 | #ifdef HOST_IMM_ADDR32 |
3665 | if(c) emit_readdword_tlb(constmap[i][s]+offset,map,th,tl); |
3666 | else |
3667 | #endif |
3668 | emit_readdword_indexed_tlb(0,offset||c||s<0?tl:s,map,th,tl); |
3669 | type=LOADD_STUB; |
3670 | } |
3671 | if (opcode[i]==0x39) { // SWC1 |
3672 | //emit_writeword_indexed(tl,(int)rdram-0x80000000,temp); |
3673 | emit_writeword_indexed_tlb(tl,0,offset||c||s<0?temp:s,map,temp); |
3674 | type=STOREW_STUB; |
3675 | } |
3676 | if (opcode[i]==0x3D) { // SDC1 |
3677 | assert(th>=0); |
3678 | //emit_writeword_indexed(th,(int)rdram-0x80000000,temp); |
3679 | //emit_writeword_indexed(tl,(int)rdram-0x7FFFFFFC,temp); |
3680 | emit_writedword_indexed_tlb(th,tl,0,offset||c||s<0?temp:s,map,temp); |
3681 | type=STORED_STUB; |
3682 | } |
3683 | if(!using_tlb) { |
3684 | if (opcode[i]==0x39||opcode[i]==0x3D) { // SWC1/SDC1 |
3685 | #ifndef DESTRUCTIVE_SHIFT |
3686 | temp=offset||c||s<0?ar:s; |
3687 | #endif |
3688 | #if defined(HOST_IMM8) |
3689 | int ir=get_reg(i_regs->regmap,INVCP); |
3690 | assert(ir>=0); |
3691 | emit_cmpmem_indexedsr12_reg(ir,temp,1); |
3692 | #else |
3693 | emit_cmpmem_indexedsr12_imm((int)invalid_code,temp,1); |
3694 | #endif |
0bbd1454 |
3695 | #if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT) |
3696 | emit_callne(invalidate_addr_reg[temp]); |
3697 | #else |
57871462 |
3698 | jaddr3=(int)out; |
3699 | emit_jne(0); |
3700 | add_stub(INVCODE_STUB,jaddr3,(int)out,reglist|(1<<HOST_CCREG),temp,0,0,0); |
0bbd1454 |
3701 | #endif |
57871462 |
3702 | } |
3703 | } |
3704 | if(jaddr2) add_stub(type,jaddr2,(int)out,i,offset||c||s<0?ar:s,(int)i_regs,ccadj[i],reglist); |
3705 | if (opcode[i]==0x31) { // LWC1 (write float) |
3706 | emit_writeword_indexed(tl,0,temp); |
3707 | } |
3708 | if (opcode[i]==0x35) { // LDC1 (write double) |
3709 | emit_writeword_indexed(th,4,temp); |
3710 | emit_writeword_indexed(tl,0,temp); |
3711 | } |
3712 | //if(opcode[i]==0x39) |
3713 | /*if(opcode[i]==0x39||opcode[i]==0x31) |
3714 | { |
3715 | emit_pusha(); |
3716 | emit_readword((int)&last_count,ECX); |
3717 | if(get_reg(i_regs->regmap,CCREG)<0) |
3718 | emit_loadreg(CCREG,HOST_CCREG); |
3719 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
3720 | emit_addimm(HOST_CCREG,2*ccadj[i],HOST_CCREG); |
3721 | emit_writeword(HOST_CCREG,(int)&Count); |
3722 | emit_call((int)memdebug); |
3723 | emit_popa(); |
3724 | }/**/ |
3d624f89 |
3725 | #else |
3726 | cop1_unusable(i, i_regs); |
3727 | #endif |
57871462 |
3728 | } |
3729 | |
b9b61529 |
3730 | void c2ls_assemble(int i,struct regstat *i_regs) |
3731 | { |
3732 | int s,tl; |
3733 | int ar; |
3734 | int offset; |
1fd1aceb |
3735 | int memtarget=0,c=0; |
c2e3bd42 |
3736 | int jaddr2=0,jaddr3,type; |
b9b61529 |
3737 | int agr=AGEN1+(i&1); |
3738 | u_int hr,reglist=0; |
3739 | u_int copr=(source[i]>>16)&0x1f; |
3740 | s=get_reg(i_regs->regmap,rs1[i]); |
3741 | tl=get_reg(i_regs->regmap,FTEMP); |
3742 | offset=imm[i]; |
3743 | assert(rs1[i]>0); |
3744 | assert(tl>=0); |
3745 | assert(!using_tlb); |
3746 | |
3747 | for(hr=0;hr<HOST_REGS;hr++) { |
3748 | if(i_regs->regmap[hr]>=0) reglist|=1<<hr; |
3749 | } |
3750 | if(i_regs->regmap[HOST_CCREG]==CCREG) |
3751 | reglist&=~(1<<HOST_CCREG); |
3752 | |
3753 | // get the address |
3754 | if (opcode[i]==0x3a) { // SWC2 |
3755 | ar=get_reg(i_regs->regmap,agr); |
3756 | if(ar<0) ar=get_reg(i_regs->regmap,-1); |
3757 | reglist|=1<<ar; |
3758 | } else { // LWC2 |
3759 | ar=tl; |
3760 | } |
1fd1aceb |
3761 | if(s>=0) c=(i_regs->wasconst>>s)&1; |
3762 | memtarget=c&&(((signed int)(constmap[i][s]+offset))<(signed int)0x80000000+RAM_SIZE); |
b9b61529 |
3763 | if (!offset&&!c&&s>=0) ar=s; |
3764 | assert(ar>=0); |
3765 | |
3766 | if (opcode[i]==0x3a) { // SWC2 |
3767 | cop2_get_dreg(copr,tl,HOST_TEMPREG); |
1fd1aceb |
3768 | type=STOREW_STUB; |
b9b61529 |
3769 | } |
1fd1aceb |
3770 | else |
b9b61529 |
3771 | type=LOADW_STUB; |
1fd1aceb |
3772 | |
3773 | if(c&&!memtarget) { |
3774 | jaddr2=(int)out; |
3775 | emit_jmp(0); // inline_readstub/inline_writestub? |
b9b61529 |
3776 | } |
1fd1aceb |
3777 | else { |
3778 | if(!c) { |
3779 | emit_cmpimm(offset||c||s<0?ar:s,RAM_SIZE); |
3780 | jaddr2=(int)out; |
3781 | emit_jno(0); |
3782 | } |
3783 | if (opcode[i]==0x32) { // LWC2 |
3784 | #ifdef HOST_IMM_ADDR32 |
3785 | if(c) emit_readword_tlb(constmap[i][s]+offset,-1,tl); |
3786 | else |
3787 | #endif |
3788 | emit_readword_indexed(0,ar,tl); |
3789 | } |
3790 | if (opcode[i]==0x3a) { // SWC2 |
3791 | #ifdef DESTRUCTIVE_SHIFT |
3792 | if(!offset&&!c&&s>=0) emit_mov(s,ar); |
3793 | #endif |
3794 | emit_writeword_indexed(tl,0,ar); |
3795 | } |
b9b61529 |
3796 | } |
3797 | if(jaddr2) |
3798 | add_stub(type,jaddr2,(int)out,i,ar,(int)i_regs,ccadj[i],reglist); |
3799 | if (opcode[i]==0x3a) { // SWC2 |
3800 | #if defined(HOST_IMM8) |
3801 | int ir=get_reg(i_regs->regmap,INVCP); |
3802 | assert(ir>=0); |
3803 | emit_cmpmem_indexedsr12_reg(ir,ar,1); |
3804 | #else |
3805 | emit_cmpmem_indexedsr12_imm((int)invalid_code,ar,1); |
3806 | #endif |
0bbd1454 |
3807 | #if defined(HAVE_CONDITIONAL_CALL) && !defined(DESTRUCTIVE_SHIFT) |
3808 | emit_callne(invalidate_addr_reg[ar]); |
3809 | #else |
b9b61529 |
3810 | jaddr3=(int)out; |
3811 | emit_jne(0); |
3812 | add_stub(INVCODE_STUB,jaddr3,(int)out,reglist|(1<<HOST_CCREG),ar,0,0,0); |
0bbd1454 |
3813 | #endif |
b9b61529 |
3814 | } |
3815 | if (opcode[i]==0x32) { // LWC2 |
3816 | cop2_put_dreg(copr,tl,HOST_TEMPREG); |
3817 | } |
3818 | } |
3819 | |
57871462 |
3820 | #ifndef multdiv_assemble |
3821 | void multdiv_assemble(int i,struct regstat *i_regs) |
3822 | { |
3823 | printf("Need multdiv_assemble for this architecture.\n"); |
3824 | exit(1); |
3825 | } |
3826 | #endif |
3827 | |
3828 | void mov_assemble(int i,struct regstat *i_regs) |
3829 | { |
3830 | //if(opcode2[i]==0x10||opcode2[i]==0x12) { // MFHI/MFLO |
3831 | //if(opcode2[i]==0x11||opcode2[i]==0x13) { // MTHI/MTLO |
57871462 |
3832 | if(rt1[i]) { |
3833 | signed char sh,sl,th,tl; |
3834 | th=get_reg(i_regs->regmap,rt1[i]|64); |
3835 | tl=get_reg(i_regs->regmap,rt1[i]); |
3836 | //assert(tl>=0); |
3837 | if(tl>=0) { |
3838 | sh=get_reg(i_regs->regmap,rs1[i]|64); |
3839 | sl=get_reg(i_regs->regmap,rs1[i]); |
3840 | if(sl>=0) emit_mov(sl,tl); |
3841 | else emit_loadreg(rs1[i],tl); |
3842 | if(th>=0) { |
3843 | if(sh>=0) emit_mov(sh,th); |
3844 | else emit_loadreg(rs1[i]|64,th); |
3845 | } |
3846 | } |
3847 | } |
3848 | } |
3849 | |
3850 | #ifndef fconv_assemble |
3851 | void fconv_assemble(int i,struct regstat *i_regs) |
3852 | { |
3853 | printf("Need fconv_assemble for this architecture.\n"); |
3854 | exit(1); |
3855 | } |
3856 | #endif |
3857 | |
3858 | #if 0 |
3859 | void float_assemble(int i,struct regstat *i_regs) |
3860 | { |
3861 | printf("Need float_assemble for this architecture.\n"); |
3862 | exit(1); |
3863 | } |
3864 | #endif |
3865 | |
3866 | void syscall_assemble(int i,struct regstat *i_regs) |
3867 | { |
3868 | signed char ccreg=get_reg(i_regs->regmap,CCREG); |
3869 | assert(ccreg==HOST_CCREG); |
3870 | assert(!is_delayslot); |
3871 | emit_movimm(start+i*4,EAX); // Get PC |
3872 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); // CHECK: is this right? There should probably be an extra cycle... |
7139f3c8 |
3873 | emit_jmp((int)jump_syscall_hle); // XXX |
3874 | } |
3875 | |
3876 | void hlecall_assemble(int i,struct regstat *i_regs) |
3877 | { |
3878 | signed char ccreg=get_reg(i_regs->regmap,CCREG); |
3879 | assert(ccreg==HOST_CCREG); |
3880 | assert(!is_delayslot); |
3881 | emit_movimm(start+i*4+4,0); // Get PC |
67ba0fb4 |
3882 | emit_movimm((int)psxHLEt[source[i]&7],1); |
7139f3c8 |
3883 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); // XXX |
67ba0fb4 |
3884 | emit_jmp((int)jump_hlecall); |
57871462 |
3885 | } |
3886 | |
1e973cb0 |
3887 | void intcall_assemble(int i,struct regstat *i_regs) |
3888 | { |
3889 | signed char ccreg=get_reg(i_regs->regmap,CCREG); |
3890 | assert(ccreg==HOST_CCREG); |
3891 | assert(!is_delayslot); |
3892 | emit_movimm(start+i*4,0); // Get PC |
3893 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*ccadj[i],HOST_CCREG); |
3894 | emit_jmp((int)jump_intcall); |
3895 | } |
3896 | |
57871462 |
3897 | void ds_assemble(int i,struct regstat *i_regs) |
3898 | { |
3899 | is_delayslot=1; |
3900 | switch(itype[i]) { |
3901 | case ALU: |
3902 | alu_assemble(i,i_regs);break; |
3903 | case IMM16: |
3904 | imm16_assemble(i,i_regs);break; |
3905 | case SHIFT: |
3906 | shift_assemble(i,i_regs);break; |
3907 | case SHIFTIMM: |
3908 | shiftimm_assemble(i,i_regs);break; |
3909 | case LOAD: |
3910 | load_assemble(i,i_regs);break; |
3911 | case LOADLR: |
3912 | loadlr_assemble(i,i_regs);break; |
3913 | case STORE: |
3914 | store_assemble(i,i_regs);break; |
3915 | case STORELR: |
3916 | storelr_assemble(i,i_regs);break; |
3917 | case COP0: |
3918 | cop0_assemble(i,i_regs);break; |
3919 | case COP1: |
3920 | cop1_assemble(i,i_regs);break; |
3921 | case C1LS: |
3922 | c1ls_assemble(i,i_regs);break; |
b9b61529 |
3923 | case COP2: |
3924 | cop2_assemble(i,i_regs);break; |
3925 | case C2LS: |
3926 | c2ls_assemble(i,i_regs);break; |
3927 | case C2OP: |
3928 | c2op_assemble(i,i_regs);break; |
57871462 |
3929 | case FCONV: |
3930 | fconv_assemble(i,i_regs);break; |
3931 | case FLOAT: |
3932 | float_assemble(i,i_regs);break; |
3933 | case FCOMP: |
3934 | fcomp_assemble(i,i_regs);break; |
3935 | case MULTDIV: |
3936 | multdiv_assemble(i,i_regs);break; |
3937 | case MOV: |
3938 | mov_assemble(i,i_regs);break; |
3939 | case SYSCALL: |
7139f3c8 |
3940 | case HLECALL: |
1e973cb0 |
3941 | case INTCALL: |
57871462 |
3942 | case SPAN: |
3943 | case UJUMP: |
3944 | case RJUMP: |
3945 | case CJUMP: |
3946 | case SJUMP: |
3947 | case FJUMP: |
3948 | printf("Jump in the delay slot. This is probably a bug.\n"); |
3949 | } |
3950 | is_delayslot=0; |
3951 | } |
3952 | |
3953 | // Is the branch target a valid internal jump? |
3954 | int internal_branch(uint64_t i_is32,int addr) |
3955 | { |
3956 | if(addr&1) return 0; // Indirect (register) jump |
3957 | if(addr>=start && addr<start+slen*4-4) |
3958 | { |
3959 | int t=(addr-start)>>2; |
3960 | // Delay slots are not valid branch targets |
3961 | //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP||itype[t-1]==FJUMP)) return 0; |
3962 | // 64 -> 32 bit transition requires a recompile |
3963 | /*if(is32[t]&~unneeded_reg_upper[t]&~i_is32) |
3964 | { |
3965 | if(requires_32bit[t]&~i_is32) printf("optimizable: no\n"); |
3966 | else printf("optimizable: yes\n"); |
3967 | }*/ |
3968 | //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0; |
a28c6ce8 |
3969 | #ifndef FORCE32 |
57871462 |
3970 | if(requires_32bit[t]&~i_is32) return 0; |
a28c6ce8 |
3971 | else |
3972 | #endif |
3973 | return 1; |
57871462 |
3974 | } |
3975 | return 0; |
3976 | } |
3977 | |
3978 | #ifndef wb_invalidate |
3979 | void wb_invalidate(signed char pre[],signed char entry[],uint64_t dirty,uint64_t is32, |
3980 | uint64_t u,uint64_t uu) |
3981 | { |
3982 | int hr; |
3983 | for(hr=0;hr<HOST_REGS;hr++) { |
3984 | if(hr!=EXCLUDE_REG) { |
3985 | if(pre[hr]!=entry[hr]) { |
3986 | if(pre[hr]>=0) { |
3987 | if((dirty>>hr)&1) { |
3988 | if(get_reg(entry,pre[hr])<0) { |
3989 | if(pre[hr]<64) { |
3990 | if(!((u>>pre[hr])&1)) { |
3991 | emit_storereg(pre[hr],hr); |
3992 | if( ((is32>>pre[hr])&1) && !((uu>>pre[hr])&1) ) { |
3993 | emit_sarimm(hr,31,hr); |
3994 | emit_storereg(pre[hr]|64,hr); |
3995 | } |
3996 | } |
3997 | }else{ |
3998 | if(!((uu>>(pre[hr]&63))&1) && !((is32>>(pre[hr]&63))&1)) { |
3999 | emit_storereg(pre[hr],hr); |
4000 | } |
4001 | } |
4002 | } |
4003 | } |
4004 | } |
4005 | } |
4006 | } |
4007 | } |
4008 | // Move from one register to another (no writeback) |
4009 | for(hr=0;hr<HOST_REGS;hr++) { |
4010 | if(hr!=EXCLUDE_REG) { |
4011 | if(pre[hr]!=entry[hr]) { |
4012 | if(pre[hr]>=0&&(pre[hr]&63)<TEMPREG) { |
4013 | int nr; |
4014 | if((nr=get_reg(entry,pre[hr]))>=0) { |
4015 | emit_mov(hr,nr); |
4016 | } |
4017 | } |
4018 | } |
4019 | } |
4020 | } |
4021 | } |
4022 | #endif |
4023 | |
4024 | // Load the specified registers |
4025 | // This only loads the registers given as arguments because |
4026 | // we don't want to load things that will be overwritten |
4027 | void load_regs(signed char entry[],signed char regmap[],int is32,int rs1,int rs2) |
4028 | { |
4029 | int hr; |
4030 | // Load 32-bit regs |
4031 | for(hr=0;hr<HOST_REGS;hr++) { |
4032 | if(hr!=EXCLUDE_REG&®map[hr]>=0) { |
4033 | if(entry[hr]!=regmap[hr]) { |
4034 | if(regmap[hr]==rs1||regmap[hr]==rs2) |
4035 | { |
4036 | if(regmap[hr]==0) { |
4037 | emit_zeroreg(hr); |
4038 | } |
4039 | else |
4040 | { |
4041 | emit_loadreg(regmap[hr],hr); |
4042 | } |
4043 | } |
4044 | } |
4045 | } |
4046 | } |
4047 | //Load 64-bit regs |
4048 | for(hr=0;hr<HOST_REGS;hr++) { |
4049 | if(hr!=EXCLUDE_REG&®map[hr]>=0) { |
4050 | if(entry[hr]!=regmap[hr]) { |
4051 | if(regmap[hr]-64==rs1||regmap[hr]-64==rs2) |
4052 | { |
4053 | assert(regmap[hr]!=64); |
4054 | if((is32>>(regmap[hr]&63))&1) { |
4055 | int lr=get_reg(regmap,regmap[hr]-64); |
4056 | if(lr>=0) |
4057 | emit_sarimm(lr,31,hr); |
4058 | else |
4059 | emit_loadreg(regmap[hr],hr); |
4060 | } |
4061 | else |
4062 | { |
4063 | emit_loadreg(regmap[hr],hr); |
4064 | } |
4065 | } |
4066 | } |
4067 | } |
4068 | } |
4069 | } |
4070 | |
4071 | // Load registers prior to the start of a loop |
4072 | // so that they are not loaded within the loop |
4073 | static void loop_preload(signed char pre[],signed char entry[]) |
4074 | { |
4075 | int hr; |
4076 | for(hr=0;hr<HOST_REGS;hr++) { |
4077 | if(hr!=EXCLUDE_REG) { |
4078 | if(pre[hr]!=entry[hr]) { |
4079 | if(entry[hr]>=0) { |
4080 | if(get_reg(pre,entry[hr])<0) { |
4081 | assem_debug("loop preload:\n"); |
4082 | //printf("loop preload: %d\n",hr); |
4083 | if(entry[hr]==0) { |
4084 | emit_zeroreg(hr); |
4085 | } |
4086 | else if(entry[hr]<TEMPREG) |
4087 | { |
4088 | emit_loadreg(entry[hr],hr); |
4089 | } |
4090 | else if(entry[hr]-64<TEMPREG) |
4091 | { |
4092 | emit_loadreg(entry[hr],hr); |
4093 | } |
4094 | } |
4095 | } |
4096 | } |
4097 | } |
4098 | } |
4099 | } |
4100 | |
4101 | // Generate address for load/store instruction |
b9b61529 |
4102 | // goes to AGEN for writes, FTEMP for LOADLR and cop1/2 loads |
57871462 |
4103 | void address_generation(int i,struct regstat *i_regs,signed char entry[]) |
4104 | { |
b9b61529 |
4105 | if(itype[i]==LOAD||itype[i]==LOADLR||itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS||itype[i]==C2LS) { |
5194fb95 |
4106 | int ra=-1; |
57871462 |
4107 | int agr=AGEN1+(i&1); |
4108 | int mgr=MGEN1+(i&1); |
4109 | if(itype[i]==LOAD) { |
4110 | ra=get_reg(i_regs->regmap,rt1[i]); |
535d208a |
4111 | if(ra<0) ra=get_reg(i_regs->regmap,-1); |
4112 | assert(ra>=0); |
57871462 |
4113 | } |
4114 | if(itype[i]==LOADLR) { |
4115 | ra=get_reg(i_regs->regmap,FTEMP); |
4116 | } |
4117 | if(itype[i]==STORE||itype[i]==STORELR) { |
4118 | ra=get_reg(i_regs->regmap,agr); |
4119 | if(ra<0) ra=get_reg(i_regs->regmap,-1); |
4120 | } |
b9b61529 |
4121 | if(itype[i]==C1LS||itype[i]==C2LS) { |
4122 | if ((opcode[i]&0x3b)==0x31||(opcode[i]&0x3b)==0x32) // LWC1/LDC1/LWC2/LDC2 |
57871462 |
4123 | ra=get_reg(i_regs->regmap,FTEMP); |
1fd1aceb |
4124 | else { // SWC1/SDC1/SWC2/SDC2 |
57871462 |
4125 | ra=get_reg(i_regs->regmap,agr); |
4126 | if(ra<0) ra=get_reg(i_regs->regmap,-1); |
4127 | } |
4128 | } |
4129 | int rs=get_reg(i_regs->regmap,rs1[i]); |
4130 | int rm=get_reg(i_regs->regmap,TLREG); |
4131 | if(ra>=0) { |
4132 | int offset=imm[i]; |
4133 | int c=(i_regs->wasconst>>rs)&1; |
4134 | if(rs1[i]==0) { |
4135 | // Using r0 as a base address |
4136 | /*if(rm>=0) { |
4137 | if(!entry||entry[rm]!=mgr) { |
4138 | generate_map_const(offset,rm); |
4139 | } // else did it in the previous cycle |
4140 | }*/ |
4141 | if(!entry||entry[ra]!=agr) { |
4142 | if (opcode[i]==0x22||opcode[i]==0x26) { |
4143 | emit_movimm(offset&0xFFFFFFFC,ra); // LWL/LWR |
4144 | }else if (opcode[i]==0x1a||opcode[i]==0x1b) { |
4145 | emit_movimm(offset&0xFFFFFFF8,ra); // LDL/LDR |
4146 | }else{ |
4147 | emit_movimm(offset,ra); |
4148 | } |
4149 | } // else did it in the previous cycle |
4150 | } |
4151 | else if(rs<0) { |
4152 | if(!entry||entry[ra]!=rs1[i]) |
4153 | emit_loadreg(rs1[i],ra); |
4154 | //if(!entry||entry[ra]!=rs1[i]) |
4155 | // printf("poor load scheduling!\n"); |
4156 | } |
4157 | else if(c) { |
4158 | if(rm>=0) { |
4159 | if(!entry||entry[rm]!=mgr) { |
b9b61529 |
4160 | if(itype[i]==STORE||itype[i]==STORELR||(opcode[i]&0x3b)==0x39||(opcode[i]&0x3b)==0x3a) { |
57871462 |
4161 | // Stores to memory go thru the mapper to detect self-modifying |
4162 | // code, loads don't. |
4163 | if((unsigned int)(constmap[i][rs]+offset)>=0xC0000000 || |
4cb76aa4 |
4164 | (unsigned int)(constmap[i][rs]+offset)<0x80000000+RAM_SIZE ) |
57871462 |
4165 | generate_map_const(constmap[i][rs]+offset,rm); |
4166 | }else{ |
4167 | if((signed int)(constmap[i][rs]+offset)>=(signed int)0xC0000000) |
4168 | generate_map_const(constmap[i][rs]+offset,rm); |
4169 | } |
4170 | } |
4171 | } |
4172 | if(rs1[i]!=rt1[i]||itype[i]!=LOAD) { |
4173 | if(!entry||entry[ra]!=agr) { |
4174 | if (opcode[i]==0x22||opcode[i]==0x26) { |
4175 | emit_movimm((constmap[i][rs]+offset)&0xFFFFFFFC,ra); // LWL/LWR |
4176 | }else if (opcode[i]==0x1a||opcode[i]==0x1b) { |
4177 | emit_movimm((constmap[i][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR |
4178 | }else{ |
4179 | #ifdef HOST_IMM_ADDR32 |
b9b61529 |
4180 | if((itype[i]!=LOAD&&(opcode[i]&0x3b)!=0x31&&(opcode[i]&0x3b)!=0x32) || // LWC1/LDC1/LWC2/LDC2 |
57871462 |
4181 | (using_tlb&&((signed int)constmap[i][rs]+offset)>=(signed int)0xC0000000)) |
4182 | #endif |
4183 | emit_movimm(constmap[i][rs]+offset,ra); |
4184 | } |
4185 | } // else did it in the previous cycle |
4186 | } // else load_consts already did it |
4187 | } |
4188 | if(offset&&!c&&rs1[i]) { |
4189 | if(rs>=0) { |
4190 | emit_addimm(rs,offset,ra); |
4191 | }else{ |
4192 | emit_addimm(ra,offset,ra); |
4193 | } |
4194 | } |
4195 | } |
4196 | } |
4197 | // Preload constants for next instruction |
b9b61529 |
4198 | if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS||itype[i+1]==C2LS) { |
57871462 |
4199 | int agr,ra; |
4200 | #ifndef HOST_IMM_ADDR32 |
4201 | // Mapper entry |
4202 | agr=MGEN1+((i+1)&1); |
4203 | ra=get_reg(i_regs->regmap,agr); |
4204 | if(ra>=0) { |
4205 | int rs=get_reg(regs[i+1].regmap,rs1[i+1]); |
4206 | int offset=imm[i+1]; |
4207 | int c=(regs[i+1].wasconst>>rs)&1; |
4208 | if(c) { |
b9b61529 |
4209 | if(itype[i+1]==STORE||itype[i+1]==STORELR |
4210 | ||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) { // SWC1/SDC1, SWC2/SDC2 |
57871462 |
4211 | // Stores to memory go thru the mapper to detect self-modifying |
4212 | // code, loads don't. |
4213 | if((unsigned int)(constmap[i+1][rs]+offset)>=0xC0000000 || |
4cb76aa4 |
4214 | (unsigned int)(constmap[i+1][rs]+offset)<0x80000000+RAM_SIZE ) |
57871462 |
4215 | generate_map_const(constmap[i+1][rs]+offset,ra); |
4216 | }else{ |
4217 | if((signed int)(constmap[i+1][rs]+offset)>=(signed int)0xC0000000) |
4218 | generate_map_const(constmap[i+1][rs]+offset,ra); |
4219 | } |
4220 | } |
4221 | /*else if(rs1[i]==0) { |
4222 | generate_map_const(offset,ra); |
4223 | }*/ |
4224 | } |
4225 | #endif |
4226 | // Actual address |
4227 | agr=AGEN1+((i+1)&1); |
4228 | ra=get_reg(i_regs->regmap,agr); |
4229 | if(ra>=0) { |
4230 | int rs=get_reg(regs[i+1].regmap,rs1[i+1]); |
4231 | int offset=imm[i+1]; |
4232 | int c=(regs[i+1].wasconst>>rs)&1; |
4233 | if(c&&(rs1[i+1]!=rt1[i+1]||itype[i+1]!=LOAD)) { |
4234 | if (opcode[i+1]==0x22||opcode[i+1]==0x26) { |
4235 | emit_movimm((constmap[i+1][rs]+offset)&0xFFFFFFFC,ra); // LWL/LWR |
4236 | }else if (opcode[i+1]==0x1a||opcode[i+1]==0x1b) { |
4237 | emit_movimm((constmap[i+1][rs]+offset)&0xFFFFFFF8,ra); // LDL/LDR |
4238 | }else{ |
4239 | #ifdef HOST_IMM_ADDR32 |
b9b61529 |
4240 | if((itype[i+1]!=LOAD&&(opcode[i+1]&0x3b)!=0x31&&(opcode[i+1]&0x3b)!=0x32) || // LWC1/LDC1/LWC2/LDC2 |
57871462 |
4241 | (using_tlb&&((signed int)constmap[i+1][rs]+offset)>=(signed int)0xC0000000)) |
4242 | #endif |
4243 | emit_movimm(constmap[i+1][rs]+offset,ra); |
4244 | } |
4245 | } |
4246 | else if(rs1[i+1]==0) { |
4247 | // Using r0 as a base address |
4248 | if (opcode[i+1]==0x22||opcode[i+1]==0x26) { |
4249 | emit_movimm(offset&0xFFFFFFFC,ra); // LWL/LWR |
4250 | }else if (opcode[i+1]==0x1a||opcode[i+1]==0x1b) { |
4251 | emit_movimm(offset&0xFFFFFFF8,ra); // LDL/LDR |
4252 | }else{ |
4253 | emit_movimm(offset,ra); |
4254 | } |
4255 | } |
4256 | } |
4257 | } |
4258 | } |
4259 | |
4260 | int get_final_value(int hr, int i, int *value) |
4261 | { |
4262 | int reg=regs[i].regmap[hr]; |
4263 | while(i<slen-1) { |
4264 | if(regs[i+1].regmap[hr]!=reg) break; |
4265 | if(!((regs[i+1].isconst>>hr)&1)) break; |
4266 | if(bt[i+1]) break; |
4267 | i++; |
4268 | } |
4269 | if(i<slen-1) { |
4270 | if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP) { |
4271 | *value=constmap[i][hr]; |
4272 | return 1; |
4273 | } |
4274 | if(!bt[i+1]) { |
4275 | if(itype[i+1]==UJUMP||itype[i+1]==RJUMP||itype[i+1]==CJUMP||itype[i+1]==SJUMP) { |
4276 | // Load in delay slot, out-of-order execution |
4277 | if(itype[i+2]==LOAD&&rs1[i+2]==reg&&rt1[i+2]==reg&&((regs[i+1].wasconst>>hr)&1)) |
4278 | { |
4279 | #ifdef HOST_IMM_ADDR32 |
4280 | if(!using_tlb||((signed int)constmap[i][hr]+imm[i+2])<(signed int)0xC0000000) return 0; |
4281 | #endif |
4282 | // Precompute load address |
4283 | *value=constmap[i][hr]+imm[i+2]; |
4284 | return 1; |
4285 | } |
4286 | } |
4287 | if(itype[i+1]==LOAD&&rs1[i+1]==reg&&rt1[i+1]==reg) |
4288 | { |
4289 | #ifdef HOST_IMM_ADDR32 |
4290 | if(!using_tlb||((signed int)constmap[i][hr]+imm[i+1])<(signed int)0xC0000000) return 0; |
4291 | #endif |
4292 | // Precompute load address |
4293 | *value=constmap[i][hr]+imm[i+1]; |
4294 | //printf("c=%x imm=%x\n",(int)constmap[i][hr],imm[i+1]); |
4295 | return 1; |
4296 | } |
4297 | } |
4298 | } |
4299 | *value=constmap[i][hr]; |
4300 | //printf("c=%x\n",(int)constmap[i][hr]); |
4301 | if(i==slen-1) return 1; |
4302 | if(reg<64) { |
4303 | return !((unneeded_reg[i+1]>>reg)&1); |
4304 | }else{ |
4305 | return !((unneeded_reg_upper[i+1]>>reg)&1); |
4306 | } |
4307 | } |
4308 | |
4309 | // Load registers with known constants |
4310 | void load_consts(signed char pre[],signed char regmap[],int is32,int i) |
4311 | { |
4312 | int hr; |
4313 | // Load 32-bit regs |
4314 | for(hr=0;hr<HOST_REGS;hr++) { |
4315 | if(hr!=EXCLUDE_REG&®map[hr]>=0) { |
4316 | //if(entry[hr]!=regmap[hr]) { |
4317 | if(i==0||!((regs[i-1].isconst>>hr)&1)||pre[hr]!=regmap[hr]||bt[i]) { |
4318 | if(((regs[i].isconst>>hr)&1)&®map[hr]<64&®map[hr]>0) { |
4319 | int value; |
4320 | if(get_final_value(hr,i,&value)) { |
4321 | if(value==0) { |
4322 | emit_zeroreg(hr); |
4323 | } |
4324 | else { |
4325 | emit_movimm(value,hr); |
4326 | } |
4327 | } |
4328 | } |
4329 | } |
4330 | } |
4331 | } |
4332 | // Load 64-bit regs |
4333 | for(hr=0;hr<HOST_REGS;hr++) { |
4334 | if(hr!=EXCLUDE_REG&®map[hr]>=0) { |
4335 | //if(entry[hr]!=regmap[hr]) { |
4336 | if(i==0||!((regs[i-1].isconst>>hr)&1)||pre[hr]!=regmap[hr]||bt[i]) { |
4337 | if(((regs[i].isconst>>hr)&1)&®map[hr]>64) { |
4338 | if((is32>>(regmap[hr]&63))&1) { |
4339 | int lr=get_reg(regmap,regmap[hr]-64); |
4340 | assert(lr>=0); |
4341 | emit_sarimm(lr,31,hr); |
4342 | } |
4343 | else |
4344 | { |
4345 | int value; |
4346 | if(get_final_value(hr,i,&value)) { |
4347 | if(value==0) { |
4348 | emit_zeroreg(hr); |
4349 | } |
4350 | else { |
4351 | emit_movimm(value,hr); |
4352 | } |
4353 | } |
4354 | } |
4355 | } |
4356 | } |
4357 | } |
4358 | } |
4359 | } |
4360 | void load_all_consts(signed char regmap[],int is32,u_int dirty,int i) |
4361 | { |
4362 | int hr; |
4363 | // Load 32-bit regs |
4364 | for(hr=0;hr<HOST_REGS;hr++) { |
4365 | if(hr!=EXCLUDE_REG&®map[hr]>=0&&((dirty>>hr)&1)) { |
4366 | if(((regs[i].isconst>>hr)&1)&®map[hr]<64&®map[hr]>0) { |
4367 | int value=constmap[i][hr]; |
4368 | if(value==0) { |
4369 | emit_zeroreg(hr); |
4370 | } |
4371 | else { |
4372 | emit_movimm(value,hr); |
4373 | } |
4374 | } |
4375 | } |
4376 | } |
4377 | // Load 64-bit regs |
4378 | for(hr=0;hr<HOST_REGS;hr++) { |
4379 | if(hr!=EXCLUDE_REG&®map[hr]>=0&&((dirty>>hr)&1)) { |
4380 | if(((regs[i].isconst>>hr)&1)&®map[hr]>64) { |
4381 | if((is32>>(regmap[hr]&63))&1) { |
4382 | int lr=get_reg(regmap,regmap[hr]-64); |
4383 | assert(lr>=0); |
4384 | emit_sarimm(lr,31,hr); |
4385 | } |
4386 | else |
4387 | { |
4388 | int value=constmap[i][hr]; |
4389 | if(value==0) { |
4390 | emit_zeroreg(hr); |
4391 | } |
4392 | else { |
4393 | emit_movimm(value,hr); |
4394 | } |
4395 | } |
4396 | } |
4397 | } |
4398 | } |
4399 | } |
4400 | |
4401 | // Write out all dirty registers (except cycle count) |
4402 | void wb_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty) |
4403 | { |
4404 | int hr; |
4405 | for(hr=0;hr<HOST_REGS;hr++) { |
4406 | if(hr!=EXCLUDE_REG) { |
4407 | if(i_regmap[hr]>0) { |
4408 | if(i_regmap[hr]!=CCREG) { |
4409 | if((i_dirty>>hr)&1) { |
4410 | if(i_regmap[hr]<64) { |
4411 | emit_storereg(i_regmap[hr],hr); |
24385cae |
4412 | #ifndef FORCE32 |
57871462 |
4413 | if( ((i_is32>>i_regmap[hr])&1) ) { |
4414 | #ifdef DESTRUCTIVE_WRITEBACK |
4415 | emit_sarimm(hr,31,hr); |
4416 | emit_storereg(i_regmap[hr]|64,hr); |
4417 | #else |
4418 | emit_sarimm(hr,31,HOST_TEMPREG); |
4419 | emit_storereg(i_regmap[hr]|64,HOST_TEMPREG); |
4420 | #endif |
4421 | } |
24385cae |
4422 | #endif |
57871462 |
4423 | }else{ |
4424 | if( !((i_is32>>(i_regmap[hr]&63))&1) ) { |
4425 | emit_storereg(i_regmap[hr],hr); |
4426 | } |
4427 | } |
4428 | } |
4429 | } |
4430 | } |
4431 | } |
4432 | } |
4433 | } |
4434 | // Write out dirty registers that we need to reload (pair with load_needed_regs) |
4435 | // This writes the registers not written by store_regs_bt |
4436 | void wb_needed_dirtys(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr) |
4437 | { |
4438 | int hr; |
4439 | int t=(addr-start)>>2; |
4440 | for(hr=0;hr<HOST_REGS;hr++) { |
4441 | if(hr!=EXCLUDE_REG) { |
4442 | if(i_regmap[hr]>0) { |
4443 | if(i_regmap[hr]!=CCREG) { |
4444 | if(i_regmap[hr]==regs[t].regmap_entry[hr] && ((regs[t].dirty>>hr)&1) && !(((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) { |
4445 | if((i_dirty>>hr)&1) { |
4446 | if(i_regmap[hr]<64) { |
4447 | emit_storereg(i_regmap[hr],hr); |
24385cae |
4448 | #ifndef FORCE32 |
57871462 |
4449 | if( ((i_is32>>i_regmap[hr])&1) ) { |
4450 | #ifdef DESTRUCTIVE_WRITEBACK |
4451 | emit_sarimm(hr,31,hr); |
4452 | emit_storereg(i_regmap[hr]|64,hr); |
4453 | #else |
4454 | emit_sarimm(hr,31,HOST_TEMPREG); |
4455 | emit_storereg(i_regmap[hr]|64,HOST_TEMPREG); |
4456 | #endif |
4457 | } |
24385cae |
4458 | #endif |
57871462 |
4459 | }else{ |
4460 | if( !((i_is32>>(i_regmap[hr]&63))&1) ) { |
4461 | emit_storereg(i_regmap[hr],hr); |
4462 | } |
4463 | } |
4464 | } |
4465 | } |
4466 | } |
4467 | } |
4468 | } |
4469 | } |
4470 | } |
4471 | |
4472 | // Load all registers (except cycle count) |
4473 | void load_all_regs(signed char i_regmap[]) |
4474 | { |
4475 | int hr; |
4476 | for(hr=0;hr<HOST_REGS;hr++) { |
4477 | if(hr!=EXCLUDE_REG) { |
4478 | if(i_regmap[hr]==0) { |
4479 | emit_zeroreg(hr); |
4480 | } |
4481 | else |
ea3d2e6e |
4482 | if(i_regmap[hr]>0 && (i_regmap[hr]&63)<TEMPREG && i_regmap[hr]!=CCREG) |
57871462 |
4483 | { |
4484 | emit_loadreg(i_regmap[hr],hr); |
4485 | } |
4486 | } |
4487 | } |
4488 | } |
4489 | |
4490 | // Load all current registers also needed by next instruction |
4491 | void load_needed_regs(signed char i_regmap[],signed char next_regmap[]) |
4492 | { |
4493 | int hr; |
4494 | for(hr=0;hr<HOST_REGS;hr++) { |
4495 | if(hr!=EXCLUDE_REG) { |
4496 | if(get_reg(next_regmap,i_regmap[hr])>=0) { |
4497 | if(i_regmap[hr]==0) { |
4498 | emit_zeroreg(hr); |
4499 | } |
4500 | else |
ea3d2e6e |
4501 | if(i_regmap[hr]>0 && (i_regmap[hr]&63)<TEMPREG && i_regmap[hr]!=CCREG) |
57871462 |
4502 | { |
4503 | emit_loadreg(i_regmap[hr],hr); |
4504 | } |
4505 | } |
4506 | } |
4507 | } |
4508 | } |
4509 | |
4510 | // Load all regs, storing cycle count if necessary |
4511 | void load_regs_entry(int t) |
4512 | { |
4513 | int hr; |
4514 | if(is_ds[t]) emit_addimm(HOST_CCREG,CLOCK_DIVIDER,HOST_CCREG); |
4515 | else if(ccadj[t]) emit_addimm(HOST_CCREG,-ccadj[t]*CLOCK_DIVIDER,HOST_CCREG); |
4516 | if(regs[t].regmap_entry[HOST_CCREG]!=CCREG) { |
4517 | emit_storereg(CCREG,HOST_CCREG); |
4518 | } |
4519 | // Load 32-bit regs |
4520 | for(hr=0;hr<HOST_REGS;hr++) { |
ea3d2e6e |
4521 | if(regs[t].regmap_entry[hr]>=0&®s[t].regmap_entry[hr]<TEMPREG) { |
57871462 |
4522 | if(regs[t].regmap_entry[hr]==0) { |
4523 | emit_zeroreg(hr); |
4524 | } |
4525 | else if(regs[t].regmap_entry[hr]!=CCREG) |
4526 | { |
4527 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4528 | } |
4529 | } |
4530 | } |
4531 | // Load 64-bit regs |
4532 | for(hr=0;hr<HOST_REGS;hr++) { |
ea3d2e6e |
4533 | if(regs[t].regmap_entry[hr]>=64&®s[t].regmap_entry[hr]<TEMPREG+64) { |
57871462 |
4534 | assert(regs[t].regmap_entry[hr]!=64); |
4535 | if((regs[t].was32>>(regs[t].regmap_entry[hr]&63))&1) { |
4536 | int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64); |
4537 | if(lr<0) { |
4538 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4539 | } |
4540 | else |
4541 | { |
4542 | emit_sarimm(lr,31,hr); |
4543 | } |
4544 | } |
4545 | else |
4546 | { |
4547 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4548 | } |
4549 | } |
4550 | } |
4551 | } |
4552 | |
4553 | // Store dirty registers prior to branch |
4554 | void store_regs_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr) |
4555 | { |
4556 | if(internal_branch(i_is32,addr)) |
4557 | { |
4558 | int t=(addr-start)>>2; |
4559 | int hr; |
4560 | for(hr=0;hr<HOST_REGS;hr++) { |
4561 | if(hr!=EXCLUDE_REG) { |
4562 | if(i_regmap[hr]>0 && i_regmap[hr]!=CCREG) { |
4563 | if(i_regmap[hr]!=regs[t].regmap_entry[hr] || !((regs[t].dirty>>hr)&1) || (((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) { |
4564 | if((i_dirty>>hr)&1) { |
4565 | if(i_regmap[hr]<64) { |
4566 | if(!((unneeded_reg[t]>>i_regmap[hr])&1)) { |
4567 | emit_storereg(i_regmap[hr],hr); |
4568 | if( ((i_is32>>i_regmap[hr])&1) && !((unneeded_reg_upper[t]>>i_regmap[hr])&1) ) { |
4569 | #ifdef DESTRUCTIVE_WRITEBACK |
4570 | emit_sarimm(hr,31,hr); |
4571 | emit_storereg(i_regmap[hr]|64,hr); |
4572 | #else |
4573 | emit_sarimm(hr,31,HOST_TEMPREG); |
4574 | emit_storereg(i_regmap[hr]|64,HOST_TEMPREG); |
4575 | #endif |
4576 | } |
4577 | } |
4578 | }else{ |
4579 | if( !((i_is32>>(i_regmap[hr]&63))&1) && !((unneeded_reg_upper[t]>>(i_regmap[hr]&63))&1) ) { |
4580 | emit_storereg(i_regmap[hr],hr); |
4581 | } |
4582 | } |
4583 | } |
4584 | } |
4585 | } |
4586 | } |
4587 | } |
4588 | } |
4589 | else |
4590 | { |
4591 | // Branch out of this block, write out all dirty regs |
4592 | wb_dirtys(i_regmap,i_is32,i_dirty); |
4593 | } |
4594 | } |
4595 | |
4596 | // Load all needed registers for branch target |
4597 | void load_regs_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr) |
4598 | { |
4599 | //if(addr>=start && addr<(start+slen*4)) |
4600 | if(internal_branch(i_is32,addr)) |
4601 | { |
4602 | int t=(addr-start)>>2; |
4603 | int hr; |
4604 | // Store the cycle count before loading something else |
4605 | if(i_regmap[HOST_CCREG]!=CCREG) { |
4606 | assert(i_regmap[HOST_CCREG]==-1); |
4607 | } |
4608 | if(regs[t].regmap_entry[HOST_CCREG]!=CCREG) { |
4609 | emit_storereg(CCREG,HOST_CCREG); |
4610 | } |
4611 | // Load 32-bit regs |
4612 | for(hr=0;hr<HOST_REGS;hr++) { |
ea3d2e6e |
4613 | if(hr!=EXCLUDE_REG&®s[t].regmap_entry[hr]>=0&®s[t].regmap_entry[hr]<TEMPREG) { |
57871462 |
4614 | #ifdef DESTRUCTIVE_WRITEBACK |
4615 | if(i_regmap[hr]!=regs[t].regmap_entry[hr] || ( !((regs[t].dirty>>hr)&1) && ((i_dirty>>hr)&1) && (((i_is32&~unneeded_reg_upper[t])>>i_regmap[hr])&1) ) || (((i_is32&~regs[t].was32&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1)) { |
4616 | #else |
4617 | if(i_regmap[hr]!=regs[t].regmap_entry[hr] ) { |
4618 | #endif |
4619 | if(regs[t].regmap_entry[hr]==0) { |
4620 | emit_zeroreg(hr); |
4621 | } |
4622 | else if(regs[t].regmap_entry[hr]!=CCREG) |
4623 | { |
4624 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4625 | } |
4626 | } |
4627 | } |
4628 | } |
4629 | //Load 64-bit regs |
4630 | for(hr=0;hr<HOST_REGS;hr++) { |
ea3d2e6e |
4631 | if(hr!=EXCLUDE_REG&®s[t].regmap_entry[hr]>=64&®s[t].regmap_entry[hr]<TEMPREG+64) { |
57871462 |
4632 | if(i_regmap[hr]!=regs[t].regmap_entry[hr]) { |
4633 | assert(regs[t].regmap_entry[hr]!=64); |
4634 | if((i_is32>>(regs[t].regmap_entry[hr]&63))&1) { |
4635 | int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64); |
4636 | if(lr<0) { |
4637 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4638 | } |
4639 | else |
4640 | { |
4641 | emit_sarimm(lr,31,hr); |
4642 | } |
4643 | } |
4644 | else |
4645 | { |
4646 | emit_loadreg(regs[t].regmap_entry[hr],hr); |
4647 | } |
4648 | } |
4649 | else if((i_is32>>(regs[t].regmap_entry[hr]&63))&1) { |
4650 | int lr=get_reg(regs[t].regmap_entry,regs[t].regmap_entry[hr]-64); |
4651 | assert(lr>=0); |
4652 | emit_sarimm(lr,31,hr); |
4653 | } |
4654 | } |
4655 | } |
4656 | } |
4657 | } |
4658 | |
4659 | int match_bt(signed char i_regmap[],uint64_t i_is32,uint64_t i_dirty,int addr) |
4660 | { |
4661 | if(addr>=start && addr<start+slen*4-4) |
4662 | { |
4663 | int t=(addr-start)>>2; |
4664 | int hr; |
4665 | if(regs[t].regmap_entry[HOST_CCREG]!=CCREG) return 0; |
4666 | for(hr=0;hr<HOST_REGS;hr++) |
4667 | { |
4668 | if(hr!=EXCLUDE_REG) |
4669 | { |
4670 | if(i_regmap[hr]!=regs[t].regmap_entry[hr]) |
4671 | { |
ea3d2e6e |
4672 | if(regs[t].regmap_entry[hr]>=0&&(regs[t].regmap_entry[hr]|64)<TEMPREG+64) |
57871462 |
4673 | { |
4674 | return 0; |
4675 | } |
4676 | else |
4677 | if((i_dirty>>hr)&1) |
4678 | { |
ea3d2e6e |
4679 | if(i_regmap[hr]<TEMPREG) |
57871462 |
4680 | { |
4681 | if(!((unneeded_reg[t]>>i_regmap[hr])&1)) |
4682 | return 0; |
4683 | } |
ea3d2e6e |
4684 | else if(i_regmap[hr]>=64&&i_regmap[hr]<TEMPREG+64) |
57871462 |
4685 | { |
4686 | if(!((unneeded_reg_upper[t]>>(i_regmap[hr]&63))&1)) |
4687 | return 0; |
4688 | } |
4689 | } |
4690 | } |
4691 | else // Same register but is it 32-bit or dirty? |
4692 | if(i_regmap[hr]>=0) |
4693 | { |
4694 | if(!((regs[t].dirty>>hr)&1)) |
4695 | { |
4696 | if((i_dirty>>hr)&1) |
4697 | { |
4698 | if(!((unneeded_reg[t]>>i_regmap[hr])&1)) |
4699 | { |
4700 | //printf("%x: dirty no match\n",addr); |
4701 | return 0; |
4702 | } |
4703 | } |
4704 | } |
4705 | if((((regs[t].was32^i_is32)&~unneeded_reg_upper[t])>>(i_regmap[hr]&63))&1) |
4706 | { |
4707 | //printf("%x: is32 no match\n",addr); |
4708 | return 0; |
4709 | } |
4710 | } |
4711 | } |
4712 | } |
4713 | //if(is32[t]&~unneeded_reg_upper[t]&~i_is32) return 0; |
a28c6ce8 |
4714 | #ifndef FORCE32 |
57871462 |
4715 | if(requires_32bit[t]&~i_is32) return 0; |
a28c6ce8 |
4716 | #endif |
57871462 |
4717 | // Delay slots are not valid branch targets |
4718 | //if(t>0&&(itype[t-1]==RJUMP||itype[t-1]==UJUMP||itype[t-1]==CJUMP||itype[t-1]==SJUMP||itype[t-1]==FJUMP)) return 0; |
4719 | // Delay slots require additional processing, so do not match |
4720 | if(is_ds[t]) return 0; |
4721 | } |
4722 | else |
4723 | { |
4724 | int hr; |
4725 | for(hr=0;hr<HOST_REGS;hr++) |
4726 | { |
4727 | if(hr!=EXCLUDE_REG) |
4728 | { |
4729 | if(i_regmap[hr]>=0) |
4730 | { |
4731 | if(hr!=HOST_CCREG||i_regmap[hr]!=CCREG) |
4732 | { |
4733 | if((i_dirty>>hr)&1) |
4734 | { |
4735 | return 0; |
4736 | } |
4737 | } |
4738 | } |
4739 | } |
4740 | } |
4741 | } |
4742 | return 1; |
4743 | } |
4744 | |
4745 | // Used when a branch jumps into the delay slot of another branch |
4746 | void ds_assemble_entry(int i) |
4747 | { |
4748 | int t=(ba[i]-start)>>2; |
4749 | if(!instr_addr[t]) instr_addr[t]=(u_int)out; |
4750 | assem_debug("Assemble delay slot at %x\n",ba[i]); |
4751 | assem_debug("<->\n"); |
4752 | if(regs[t].regmap_entry[HOST_CCREG]==CCREG&®s[t].regmap[HOST_CCREG]!=CCREG) |
4753 | wb_register(CCREG,regs[t].regmap_entry,regs[t].wasdirty,regs[t].was32); |
4754 | load_regs(regs[t].regmap_entry,regs[t].regmap,regs[t].was32,rs1[t],rs2[t]); |
4755 | address_generation(t,®s[t],regs[t].regmap_entry); |
b9b61529 |
4756 | if(itype[t]==STORE||itype[t]==STORELR||(opcode[t]&0x3b)==0x39||(opcode[t]&0x3b)==0x3a) |
57871462 |
4757 | load_regs(regs[t].regmap_entry,regs[t].regmap,regs[t].was32,INVCP,INVCP); |
4758 | cop1_usable=0; |
4759 | is_delayslot=0; |
4760 | switch(itype[t]) { |
4761 | case ALU: |
4762 | alu_assemble(t,®s[t]);break; |
4763 | case IMM16: |
4764 | imm16_assemble(t,®s[t]);break; |
4765 | case SHIFT: |
4766 | shift_assemble(t,®s[t]);break; |
4767 | case SHIFTIMM: |
4768 | shiftimm_assemble(t,®s[t]);break; |
4769 | case LOAD: |
4770 | load_assemble(t,®s[t]);break; |
4771 | case LOADLR: |
4772 | loadlr_assemble(t,®s[t]);break; |
4773 | case STORE: |
4774 | store_assemble(t,®s[t]);break; |
4775 | case STORELR: |
4776 | storelr_assemble(t,®s[t]);break; |
4777 | case COP0: |
4778 | cop0_assemble(t,®s[t]);break; |
4779 | case COP1: |
4780 | cop1_assemble(t,®s[t]);break; |
4781 | case C1LS: |
4782 | c1ls_assemble(t,®s[t]);break; |
b9b61529 |
4783 | case COP2: |
4784 | cop2_assemble(t,®s[t]);break; |
4785 | case C2LS: |
4786 | c2ls_assemble(t,®s[t]);break; |
4787 | case C2OP: |
4788 | c2op_assemble(t,®s[t]);break; |
57871462 |
4789 | case FCONV: |
4790 | fconv_assemble(t,®s[t]);break; |
4791 | case FLOAT: |
4792 | float_assemble(t,®s[t]);break; |
4793 | case FCOMP: |
4794 | fcomp_assemble(t,®s[t]);break; |
4795 | case MULTDIV: |
4796 | multdiv_assemble(t,®s[t]);break; |
4797 | case MOV: |
4798 | mov_assemble(t,®s[t]);break; |
4799 | case SYSCALL: |
7139f3c8 |
4800 | case HLECALL: |
1e973cb0 |
4801 | case INTCALL: |
57871462 |
4802 | case SPAN: |
4803 | case UJUMP: |
4804 | case RJUMP: |
4805 | case CJUMP: |
4806 | case SJUMP: |
4807 | case FJUMP: |
4808 | printf("Jump in the delay slot. This is probably a bug.\n"); |
4809 | } |
4810 | store_regs_bt(regs[t].regmap,regs[t].is32,regs[t].dirty,ba[i]+4); |
4811 | load_regs_bt(regs[t].regmap,regs[t].is32,regs[t].dirty,ba[i]+4); |
4812 | if(internal_branch(regs[t].is32,ba[i]+4)) |
4813 | assem_debug("branch: internal\n"); |
4814 | else |
4815 | assem_debug("branch: external\n"); |
4816 | assert(internal_branch(regs[t].is32,ba[i]+4)); |
4817 | add_to_linker((int)out,ba[i]+4,internal_branch(regs[t].is32,ba[i]+4)); |
4818 | emit_jmp(0); |
4819 | } |
4820 | |
4821 | void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert) |
4822 | { |
4823 | int count; |
4824 | int jaddr; |
4825 | int idle=0; |
4826 | if(itype[i]==RJUMP) |
4827 | { |
4828 | *adj=0; |
4829 | } |
4830 | //if(ba[i]>=start && ba[i]<(start+slen*4)) |
4831 | if(internal_branch(branch_regs[i].is32,ba[i])) |
4832 | { |
4833 | int t=(ba[i]-start)>>2; |
4834 | if(is_ds[t]) *adj=-1; // Branch into delay slot adds an extra cycle |
4835 | else *adj=ccadj[t]; |
4836 | } |
4837 | else |
4838 | { |
4839 | *adj=0; |
4840 | } |
4841 | count=ccadj[i]; |
4842 | if(taken==TAKEN && i==(ba[i]-start)>>2 && source[i+1]==0) { |
4843 | // Idle loop |
4844 | if(count&1) emit_addimm_and_set_flags(2*(count+2),HOST_CCREG); |
4845 | idle=(int)out; |
4846 | //emit_subfrommem(&idlecount,HOST_CCREG); // Count idle cycles |
4847 | emit_andimm(HOST_CCREG,3,HOST_CCREG); |
4848 | jaddr=(int)out; |
4849 | emit_jmp(0); |
4850 | } |
4851 | else if(*adj==0||invert) { |
4852 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(count+2),HOST_CCREG); |
4853 | jaddr=(int)out; |
4854 | emit_jns(0); |
4855 | } |
4856 | else |
4857 | { |
eeb1feeb |
4858 | emit_cmpimm(HOST_CCREG,-CLOCK_DIVIDER*(count+2)); |
57871462 |
4859 | jaddr=(int)out; |
4860 | emit_jns(0); |
4861 | } |
4862 | add_stub(CC_STUB,jaddr,idle?idle:(int)out,(*adj==0||invert||idle)?0:(count+2),i,addr,taken,0); |
4863 | } |
4864 | |
4865 | void do_ccstub(int n) |
4866 | { |
4867 | literal_pool(256); |
4868 | assem_debug("do_ccstub %x\n",start+stubs[n][4]*4); |
4869 | set_jump_target(stubs[n][1],(int)out); |
4870 | int i=stubs[n][4]; |
4871 | if(stubs[n][6]==NULLDS) { |
4872 | // Delay slot instruction is nullified ("likely" branch) |
4873 | wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty); |
4874 | } |
4875 | else if(stubs[n][6]!=TAKEN) { |
4876 | wb_dirtys(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty); |
4877 | } |
4878 | else { |
4879 | if(internal_branch(branch_regs[i].is32,ba[i])) |
4880 | wb_needed_dirtys(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
4881 | } |
4882 | if(stubs[n][5]!=-1) |
4883 | { |
4884 | // Save PC as return address |
4885 | emit_movimm(stubs[n][5],EAX); |
4886 | emit_writeword(EAX,(int)&pcaddr); |
4887 | } |
4888 | else |
4889 | { |
4890 | // Return address depends on which way the branch goes |
4891 | if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
4892 | { |
4893 | int s1l=get_reg(branch_regs[i].regmap,rs1[i]); |
4894 | int s1h=get_reg(branch_regs[i].regmap,rs1[i]|64); |
4895 | int s2l=get_reg(branch_regs[i].regmap,rs2[i]); |
4896 | int s2h=get_reg(branch_regs[i].regmap,rs2[i]|64); |
4897 | if(rs1[i]==0) |
4898 | { |
4899 | s1l=s2l;s1h=s2h; |
4900 | s2l=s2h=-1; |
4901 | } |
4902 | else if(rs2[i]==0) |
4903 | { |
4904 | s2l=s2h=-1; |
4905 | } |
4906 | if((branch_regs[i].is32>>rs1[i])&(branch_regs[i].is32>>rs2[i])&1) { |
4907 | s1h=s2h=-1; |
4908 | } |
4909 | assert(s1l>=0); |
4910 | #ifdef DESTRUCTIVE_WRITEBACK |
4911 | if(rs1[i]) { |
4912 | if((branch_regs[i].dirty>>s1l)&(branch_regs[i].is32>>rs1[i])&1) |
4913 | emit_loadreg(rs1[i],s1l); |
4914 | } |
4915 | else { |
4916 | if((branch_regs[i].dirty>>s1l)&(branch_regs[i].is32>>rs2[i])&1) |
4917 | emit_loadreg(rs2[i],s1l); |
4918 | } |
4919 | if(s2l>=0) |
4920 | if((branch_regs[i].dirty>>s2l)&(branch_regs[i].is32>>rs2[i])&1) |
4921 | emit_loadreg(rs2[i],s2l); |
4922 | #endif |
4923 | int hr=0; |
5194fb95 |
4924 | int addr=-1,alt=-1,ntaddr=-1; |
57871462 |
4925 | while(hr<HOST_REGS) |
4926 | { |
4927 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && |
4928 | (branch_regs[i].regmap[hr]&63)!=rs1[i] && |
4929 | (branch_regs[i].regmap[hr]&63)!=rs2[i] ) |
4930 | { |
4931 | addr=hr++;break; |
4932 | } |
4933 | hr++; |
4934 | } |
4935 | while(hr<HOST_REGS) |
4936 | { |
4937 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && |
4938 | (branch_regs[i].regmap[hr]&63)!=rs1[i] && |
4939 | (branch_regs[i].regmap[hr]&63)!=rs2[i] ) |
4940 | { |
4941 | alt=hr++;break; |
4942 | } |
4943 | hr++; |
4944 | } |
4945 | if((opcode[i]&0x2E)==6) // BLEZ/BGTZ needs another register |
4946 | { |
4947 | while(hr<HOST_REGS) |
4948 | { |
4949 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && |
4950 | (branch_regs[i].regmap[hr]&63)!=rs1[i] && |
4951 | (branch_regs[i].regmap[hr]&63)!=rs2[i] ) |
4952 | { |
4953 | ntaddr=hr;break; |
4954 | } |
4955 | hr++; |
4956 | } |
4957 | assert(hr<HOST_REGS); |
4958 | } |
4959 | if((opcode[i]&0x2f)==4) // BEQ |
4960 | { |
4961 | #ifdef HAVE_CMOV_IMM |
4962 | if(s1h<0) { |
4963 | if(s2l>=0) emit_cmp(s1l,s2l); |
4964 | else emit_test(s1l,s1l); |
4965 | emit_cmov2imm_e_ne_compact(ba[i],start+i*4+8,addr); |
4966 | } |
4967 | else |
4968 | #endif |
4969 | { |
4970 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt); |
4971 | if(s1h>=0) { |
4972 | if(s2h>=0) emit_cmp(s1h,s2h); |
4973 | else emit_test(s1h,s1h); |
4974 | emit_cmovne_reg(alt,addr); |
4975 | } |
4976 | if(s2l>=0) emit_cmp(s1l,s2l); |
4977 | else emit_test(s1l,s1l); |
4978 | emit_cmovne_reg(alt,addr); |
4979 | } |
4980 | } |
4981 | if((opcode[i]&0x2f)==5) // BNE |
4982 | { |
4983 | #ifdef HAVE_CMOV_IMM |
4984 | if(s1h<0) { |
4985 | if(s2l>=0) emit_cmp(s1l,s2l); |
4986 | else emit_test(s1l,s1l); |
4987 | emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr); |
4988 | } |
4989 | else |
4990 | #endif |
4991 | { |
4992 | emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt); |
4993 | if(s1h>=0) { |
4994 | if(s2h>=0) emit_cmp(s1h,s2h); |
4995 | else emit_test(s1h,s1h); |
4996 | emit_cmovne_reg(alt,addr); |
4997 | } |
4998 | if(s2l>=0) emit_cmp(s1l,s2l); |
4999 | else emit_test(s1l,s1l); |
5000 | emit_cmovne_reg(alt,addr); |
5001 | } |
5002 | } |
5003 | if((opcode[i]&0x2f)==6) // BLEZ |
5004 | { |
5005 | //emit_movimm(ba[i],alt); |
5006 | //emit_movimm(start+i*4+8,addr); |
5007 | emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr); |
5008 | emit_cmpimm(s1l,1); |
5009 | if(s1h>=0) emit_mov(addr,ntaddr); |
5010 | emit_cmovl_reg(alt,addr); |
5011 | if(s1h>=0) { |
5012 | emit_test(s1h,s1h); |
5013 | emit_cmovne_reg(ntaddr,addr); |
5014 | emit_cmovs_reg(alt,addr); |
5015 | } |
5016 | } |
5017 | if((opcode[i]&0x2f)==7) // BGTZ |
5018 | { |
5019 | //emit_movimm(ba[i],addr); |
5020 | //emit_movimm(start+i*4+8,ntaddr); |
5021 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,ntaddr); |
5022 | emit_cmpimm(s1l,1); |
5023 | if(s1h>=0) emit_mov(addr,alt); |
5024 | emit_cmovl_reg(ntaddr,addr); |
5025 | if(s1h>=0) { |
5026 | emit_test(s1h,s1h); |
5027 | emit_cmovne_reg(alt,addr); |
5028 | emit_cmovs_reg(ntaddr,addr); |
5029 | } |
5030 | } |
5031 | if((opcode[i]==1)&&(opcode2[i]&0x2D)==0) // BLTZ |
5032 | { |
5033 | //emit_movimm(ba[i],alt); |
5034 | //emit_movimm(start+i*4+8,addr); |
5035 | emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr); |
5036 | if(s1h>=0) emit_test(s1h,s1h); |
5037 | else emit_test(s1l,s1l); |
5038 | emit_cmovs_reg(alt,addr); |
5039 | } |
5040 | if((opcode[i]==1)&&(opcode2[i]&0x2D)==1) // BGEZ |
5041 | { |
5042 | //emit_movimm(ba[i],addr); |
5043 | //emit_movimm(start+i*4+8,alt); |
5044 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt); |
5045 | if(s1h>=0) emit_test(s1h,s1h); |
5046 | else emit_test(s1l,s1l); |
5047 | emit_cmovs_reg(alt,addr); |
5048 | } |
5049 | if(opcode[i]==0x11 && opcode2[i]==0x08 ) { |
5050 | if(source[i]&0x10000) // BC1T |
5051 | { |
5052 | //emit_movimm(ba[i],alt); |
5053 | //emit_movimm(start+i*4+8,addr); |
5054 | emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr); |
5055 | emit_testimm(s1l,0x800000); |
5056 | emit_cmovne_reg(alt,addr); |
5057 | } |
5058 | else // BC1F |
5059 | { |
5060 | //emit_movimm(ba[i],addr); |
5061 | //emit_movimm(start+i*4+8,alt); |
5062 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt); |
5063 | emit_testimm(s1l,0x800000); |
5064 | emit_cmovne_reg(alt,addr); |
5065 | } |
5066 | } |
5067 | emit_writeword(addr,(int)&pcaddr); |
5068 | } |
5069 | else |
5070 | if(itype[i]==RJUMP) |
5071 | { |
5072 | int r=get_reg(branch_regs[i].regmap,rs1[i]); |
5073 | if(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1]) { |
5074 | r=get_reg(branch_regs[i].regmap,RTEMP); |
5075 | } |
5076 | emit_writeword(r,(int)&pcaddr); |
5077 | } |
5078 | else {printf("Unknown branch type in do_ccstub\n");exit(1);} |
5079 | } |
5080 | // Update cycle count |
5081 | assert(branch_regs[i].regmap[HOST_CCREG]==CCREG||branch_regs[i].regmap[HOST_CCREG]==-1); |
5082 | if(stubs[n][3]) emit_addimm(HOST_CCREG,CLOCK_DIVIDER*stubs[n][3],HOST_CCREG); |
5083 | emit_call((int)cc_interrupt); |
5084 | if(stubs[n][3]) emit_addimm(HOST_CCREG,-CLOCK_DIVIDER*stubs[n][3],HOST_CCREG); |
5085 | if(stubs[n][6]==TAKEN) { |
5086 | if(internal_branch(branch_regs[i].is32,ba[i])) |
5087 | load_needed_regs(branch_regs[i].regmap,regs[(ba[i]-start)>>2].regmap_entry); |
5088 | else if(itype[i]==RJUMP) { |
5089 | if(get_reg(branch_regs[i].regmap,RTEMP)>=0) |
5090 | emit_readword((int)&pcaddr,get_reg(branch_regs[i].regmap,RTEMP)); |
5091 | else |
5092 | emit_loadreg(rs1[i],get_reg(branch_regs[i].regmap,rs1[i])); |
5093 | } |
5094 | }else if(stubs[n][6]==NOTTAKEN) { |
5095 | if(i<slen-2) load_needed_regs(branch_regs[i].regmap,regmap_pre[i+2]); |
5096 | else load_all_regs(branch_regs[i].regmap); |
5097 | }else if(stubs[n][6]==NULLDS) { |
5098 | // Delay slot instruction is nullified ("likely" branch) |
5099 | if(i<slen-2) load_needed_regs(regs[i].regmap,regmap_pre[i+2]); |
5100 | else load_all_regs(regs[i].regmap); |
5101 | }else{ |
5102 | load_all_regs(branch_regs[i].regmap); |
5103 | } |
5104 | emit_jmp(stubs[n][2]); // return address |
5105 | |
5106 | /* This works but uses a lot of memory... |
5107 | emit_readword((int)&last_count,ECX); |
5108 | emit_add(HOST_CCREG,ECX,EAX); |
5109 | emit_writeword(EAX,(int)&Count); |
5110 | emit_call((int)gen_interupt); |
5111 | emit_readword((int)&Count,HOST_CCREG); |
5112 | emit_readword((int)&next_interupt,EAX); |
5113 | emit_readword((int)&pending_exception,EBX); |
5114 | emit_writeword(EAX,(int)&last_count); |
5115 | emit_sub(HOST_CCREG,EAX,HOST_CCREG); |
5116 | emit_test(EBX,EBX); |
5117 | int jne_instr=(int)out; |
5118 | emit_jne(0); |
5119 | if(stubs[n][3]) emit_addimm(HOST_CCREG,-2*stubs[n][3],HOST_CCREG); |
5120 | load_all_regs(branch_regs[i].regmap); |
5121 | emit_jmp(stubs[n][2]); // return address |
5122 | set_jump_target(jne_instr,(int)out); |
5123 | emit_readword((int)&pcaddr,EAX); |
5124 | // Call get_addr_ht instead of doing the hash table here. |
5125 | // This code is executed infrequently and takes up a lot of space |
5126 | // so smaller is better. |
5127 | emit_storereg(CCREG,HOST_CCREG); |
5128 | emit_pushreg(EAX); |
5129 | emit_call((int)get_addr_ht); |
5130 | emit_loadreg(CCREG,HOST_CCREG); |
5131 | emit_addimm(ESP,4,ESP); |
5132 | emit_jmpreg(EAX);*/ |
5133 | } |
5134 | |
5135 | add_to_linker(int addr,int target,int ext) |
5136 | { |
5137 | link_addr[linkcount][0]=addr; |
5138 | link_addr[linkcount][1]=target; |
5139 | link_addr[linkcount][2]=ext; |
5140 | linkcount++; |
5141 | } |
5142 | |
5143 | void ujump_assemble(int i,struct regstat *i_regs) |
5144 | { |
5145 | signed char *i_regmap=i_regs->regmap; |
5146 | if(i==(ba[i]-start)>>2) assem_debug("idle loop\n"); |
5147 | address_generation(i+1,i_regs,regs[i].regmap_entry); |
5148 | #ifdef REG_PREFETCH |
5149 | int temp=get_reg(branch_regs[i].regmap,PTEMP); |
5150 | if(rt1[i]==31&&temp>=0) |
5151 | { |
5152 | int return_address=start+i*4+8; |
5153 | if(get_reg(branch_regs[i].regmap,31)>0) |
5154 | if(i_regmap[temp]==PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp); |
5155 | } |
5156 | #endif |
57871462 |
5157 | if(rt1[i]==31) { |
5158 | int rt; |
5159 | unsigned int return_address; |
57871462 |
5160 | rt=get_reg(branch_regs[i].regmap,31); |
5161 | assem_debug("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5162 | //assert(rt>=0); |
5163 | return_address=start+i*4+8; |
5164 | if(rt>=0) { |
5165 | #ifdef USE_MINI_HT |
4ef8f67d |
5166 | if(internal_branch(branch_regs[i].is32,return_address)&&rt1[i+1]!=31) { |
5167 | int temp=-1; // note: must be ds-safe |
57871462 |
5168 | #ifdef HOST_TEMPREG |
4ef8f67d |
5169 | temp=HOST_TEMPREG; |
57871462 |
5170 | #endif |
5171 | if(temp>=0) do_miniht_insert(return_address,rt,temp); |
5172 | else emit_movimm(return_address,rt); |
5173 | } |
5174 | else |
5175 | #endif |
5176 | { |
5177 | #ifdef REG_PREFETCH |
5178 | if(temp>=0) |
5179 | { |
5180 | if(i_regmap[temp]!=PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp); |
5181 | } |
5182 | #endif |
5183 | emit_movimm(return_address,rt); // PC into link register |
5184 | #ifdef IMM_PREFETCH |
5185 | emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]); |
5186 | #endif |
5187 | } |
5188 | } |
5189 | } |
4ef8f67d |
5190 | ds_assemble(i+1,i_regs); |
5191 | uint64_t bc_unneeded=branch_regs[i].u; |
5192 | uint64_t bc_unneeded_upper=branch_regs[i].uu; |
5193 | bc_unneeded|=1|(1LL<<rt1[i]); |
5194 | bc_unneeded_upper|=1|(1LL<<rt1[i]); |
5195 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5196 | bc_unneeded,bc_unneeded_upper); |
5197 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
57871462 |
5198 | int cc,adj; |
5199 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5200 | assert(cc==HOST_CCREG); |
5201 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5202 | #ifdef REG_PREFETCH |
5203 | if(rt1[i]==31&&temp>=0) emit_prefetchreg(temp); |
5204 | #endif |
5205 | do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0); |
5206 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5207 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5208 | if(internal_branch(branch_regs[i].is32,ba[i])) |
5209 | assem_debug("branch: internal\n"); |
5210 | else |
5211 | assem_debug("branch: external\n"); |
5212 | if(internal_branch(branch_regs[i].is32,ba[i])&&is_ds[(ba[i]-start)>>2]) { |
5213 | ds_assemble_entry(i); |
5214 | } |
5215 | else { |
5216 | add_to_linker((int)out,ba[i],internal_branch(branch_regs[i].is32,ba[i])); |
5217 | emit_jmp(0); |
5218 | } |
5219 | } |
5220 | |
5221 | void rjump_assemble(int i,struct regstat *i_regs) |
5222 | { |
5223 | signed char *i_regmap=i_regs->regmap; |
5224 | int temp; |
5225 | int rs,cc,adj; |
5226 | rs=get_reg(branch_regs[i].regmap,rs1[i]); |
5227 | assert(rs>=0); |
5228 | if(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1]) { |
5229 | // Delay slot abuse, make a copy of the branch address register |
5230 | temp=get_reg(branch_regs[i].regmap,RTEMP); |
5231 | assert(temp>=0); |
5232 | assert(regs[i].regmap[temp]==RTEMP); |
5233 | emit_mov(rs,temp); |
5234 | rs=temp; |
5235 | } |
5236 | address_generation(i+1,i_regs,regs[i].regmap_entry); |
5237 | #ifdef REG_PREFETCH |
5238 | if(rt1[i]==31) |
5239 | { |
5240 | if((temp=get_reg(branch_regs[i].regmap,PTEMP))>=0) { |
5241 | int return_address=start+i*4+8; |
5242 | if(i_regmap[temp]==PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp); |
5243 | } |
5244 | } |
5245 | #endif |
5246 | #ifdef USE_MINI_HT |
5247 | if(rs1[i]==31) { |
5248 | int rh=get_reg(regs[i].regmap,RHASH); |
5249 | if(rh>=0) do_preload_rhash(rh); |
5250 | } |
5251 | #endif |
5067f341 |
5252 | if(rt1[i]!=0) { |
57871462 |
5253 | int rt,return_address; |
5067f341 |
5254 | assert(rt1[i+1]!=rt1[i]); |
5255 | assert(rt2[i+1]!=rt1[i]); |
5256 | rt=get_reg(branch_regs[i].regmap,rt1[i]); |
57871462 |
5257 | assem_debug("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5258 | assert(rt>=0); |
5259 | return_address=start+i*4+8; |
5260 | #ifdef REG_PREFETCH |
5261 | if(temp>=0) |
5262 | { |
5263 | if(i_regmap[temp]!=PTEMP) emit_movimm((int)hash_table[((return_address>>16)^return_address)&0xFFFF],temp); |
5264 | } |
5265 | #endif |
5266 | emit_movimm(return_address,rt); // PC into link register |
5267 | #ifdef IMM_PREFETCH |
5268 | emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]); |
5269 | #endif |
5270 | } |
d5910d5d |
5271 | ds_assemble(i+1,i_regs); |
5272 | uint64_t bc_unneeded=branch_regs[i].u; |
5273 | uint64_t bc_unneeded_upper=branch_regs[i].uu; |
5274 | bc_unneeded|=1|(1LL<<rt1[i]); |
5275 | bc_unneeded_upper|=1|(1LL<<rt1[i]); |
5276 | bc_unneeded&=~(1LL<<rs1[i]); |
5277 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5278 | bc_unneeded,bc_unneeded_upper); |
5279 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],CCREG); |
57871462 |
5280 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5281 | assert(cc==HOST_CCREG); |
5282 | #ifdef USE_MINI_HT |
5283 | int rh=get_reg(branch_regs[i].regmap,RHASH); |
5284 | int ht=get_reg(branch_regs[i].regmap,RHTBL); |
5285 | if(rs1[i]==31) { |
5286 | if(regs[i].regmap[rh]!=RHASH) do_preload_rhash(rh); |
5287 | do_preload_rhtbl(ht); |
5288 | do_rhash(rs,rh); |
5289 | } |
5290 | #endif |
5291 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,-1); |
5292 | #ifdef DESTRUCTIVE_WRITEBACK |
5293 | if((branch_regs[i].dirty>>rs)&(branch_regs[i].is32>>rs1[i])&1) { |
5294 | if(rs1[i]!=rt1[i+1]&&rs1[i]!=rt2[i+1]) { |
5295 | emit_loadreg(rs1[i],rs); |
5296 | } |
5297 | } |
5298 | #endif |
5299 | #ifdef REG_PREFETCH |
5300 | if(rt1[i]==31&&temp>=0) emit_prefetchreg(temp); |
5301 | #endif |
5302 | #ifdef USE_MINI_HT |
5303 | if(rs1[i]==31) { |
5304 | do_miniht_load(ht,rh); |
5305 | } |
5306 | #endif |
5307 | //do_cc(i,branch_regs[i].regmap,&adj,-1,TAKEN); |
5308 | //if(adj) emit_addimm(cc,2*(ccadj[i]+2-adj),cc); // ??? - Shouldn't happen |
5309 | //assert(adj==0); |
5310 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),HOST_CCREG); |
5311 | add_stub(CC_STUB,(int)out,jump_vaddr_reg[rs],0,i,-1,TAKEN,0); |
5312 | emit_jns(0); |
5313 | //load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,-1); |
5314 | #ifdef USE_MINI_HT |
5315 | if(rs1[i]==31) { |
5316 | do_miniht_jump(rs,rh,ht); |
5317 | } |
5318 | else |
5319 | #endif |
5320 | { |
5321 | //if(rs!=EAX) emit_mov(rs,EAX); |
5322 | //emit_jmp((int)jump_vaddr_eax); |
5323 | emit_jmp(jump_vaddr_reg[rs]); |
5324 | } |
5325 | /* Check hash table |
5326 | temp=!rs; |
5327 | emit_mov(rs,temp); |
5328 | emit_shrimm(rs,16,rs); |
5329 | emit_xor(temp,rs,rs); |
5330 | emit_movzwl_reg(rs,rs); |
5331 | emit_shlimm(rs,4,rs); |
5332 | emit_cmpmem_indexed((int)hash_table,rs,temp); |
5333 | emit_jne((int)out+14); |
5334 | emit_readword_indexed((int)hash_table+4,rs,rs); |
5335 | emit_jmpreg(rs); |
5336 | emit_cmpmem_indexed((int)hash_table+8,rs,temp); |
5337 | emit_addimm_no_flags(8,rs); |
5338 | emit_jeq((int)out-17); |
5339 | // No hit on hash table, call compiler |
5340 | emit_pushreg(temp); |
5341 | //DEBUG > |
5342 | #ifdef DEBUG_CYCLE_COUNT |
5343 | emit_readword((int)&last_count,ECX); |
5344 | emit_add(HOST_CCREG,ECX,HOST_CCREG); |
5345 | emit_readword((int)&next_interupt,ECX); |
5346 | emit_writeword(HOST_CCREG,(int)&Count); |
5347 | emit_sub(HOST_CCREG,ECX,HOST_CCREG); |
5348 | emit_writeword(ECX,(int)&last_count); |
5349 | #endif |
5350 | //DEBUG < |
5351 | emit_storereg(CCREG,HOST_CCREG); |
5352 | emit_call((int)get_addr); |
5353 | emit_loadreg(CCREG,HOST_CCREG); |
5354 | emit_addimm(ESP,4,ESP); |
5355 | emit_jmpreg(EAX);*/ |
5356 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5357 | if(rt1[i]!=31&&i<slen-2&&(((u_int)out)&7)) emit_mov(13,13); |
5358 | #endif |
5359 | } |
5360 | |
5361 | void cjump_assemble(int i,struct regstat *i_regs) |
5362 | { |
5363 | signed char *i_regmap=i_regs->regmap; |
5364 | int cc; |
5365 | int match; |
5366 | match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5367 | assem_debug("match=%d\n",match); |
5368 | int s1h,s1l,s2h,s2l; |
5369 | int prev_cop1_usable=cop1_usable; |
5370 | int unconditional=0,nop=0; |
5371 | int only32=0; |
57871462 |
5372 | int invert=0; |
5373 | int internal=internal_branch(branch_regs[i].is32,ba[i]); |
5374 | if(i==(ba[i]-start)>>2) assem_debug("idle loop\n"); |
57871462 |
5375 | if(!match) invert=1; |
5376 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5377 | if(i>(ba[i]-start)>>2) invert=1; |
5378 | #endif |
e1190b87 |
5379 | |
5380 | if(ooo[i]) { |
57871462 |
5381 | s1l=get_reg(branch_regs[i].regmap,rs1[i]); |
5382 | s1h=get_reg(branch_regs[i].regmap,rs1[i]|64); |
5383 | s2l=get_reg(branch_regs[i].regmap,rs2[i]); |
5384 | s2h=get_reg(branch_regs[i].regmap,rs2[i]|64); |
5385 | } |
5386 | else { |
5387 | s1l=get_reg(i_regmap,rs1[i]); |
5388 | s1h=get_reg(i_regmap,rs1[i]|64); |
5389 | s2l=get_reg(i_regmap,rs2[i]); |
5390 | s2h=get_reg(i_regmap,rs2[i]|64); |
5391 | } |
5392 | if(rs1[i]==0&&rs2[i]==0) |
5393 | { |
5394 | if(opcode[i]&1) nop=1; |
5395 | else unconditional=1; |
5396 | //assert(opcode[i]!=5); |
5397 | //assert(opcode[i]!=7); |
5398 | //assert(opcode[i]!=0x15); |
5399 | //assert(opcode[i]!=0x17); |
5400 | } |
5401 | else if(rs1[i]==0) |
5402 | { |
5403 | s1l=s2l;s1h=s2h; |
5404 | s2l=s2h=-1; |
5405 | only32=(regs[i].was32>>rs2[i])&1; |
5406 | } |
5407 | else if(rs2[i]==0) |
5408 | { |
5409 | s2l=s2h=-1; |
5410 | only32=(regs[i].was32>>rs1[i])&1; |
5411 | } |
5412 | else { |
5413 | only32=(regs[i].was32>>rs1[i])&(regs[i].was32>>rs2[i])&1; |
5414 | } |
5415 | |
e1190b87 |
5416 | if(ooo[i]) { |
57871462 |
5417 | // Out of order execution (delay slot first) |
5418 | //printf("OOOE\n"); |
5419 | address_generation(i+1,i_regs,regs[i].regmap_entry); |
5420 | ds_assemble(i+1,i_regs); |
5421 | int adj; |
5422 | uint64_t bc_unneeded=branch_regs[i].u; |
5423 | uint64_t bc_unneeded_upper=branch_regs[i].uu; |
5424 | bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
5425 | bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i])); |
5426 | bc_unneeded|=1; |
5427 | bc_unneeded_upper|=1; |
5428 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5429 | bc_unneeded,bc_unneeded_upper); |
5430 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs2[i]); |
5431 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
5432 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5433 | assert(cc==HOST_CCREG); |
5434 | if(unconditional) |
5435 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5436 | //do_cc(i,branch_regs[i].regmap,&adj,unconditional?ba[i]:-1,unconditional); |
5437 | //assem_debug("cycle count (adj)\n"); |
5438 | if(unconditional) { |
5439 | do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0); |
5440 | if(i!=(ba[i]-start)>>2 || source[i+1]!=0) { |
5441 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5442 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5443 | if(internal) |
5444 | assem_debug("branch: internal\n"); |
5445 | else |
5446 | assem_debug("branch: external\n"); |
5447 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
5448 | ds_assemble_entry(i); |
5449 | } |
5450 | else { |
5451 | add_to_linker((int)out,ba[i],internal); |
5452 | emit_jmp(0); |
5453 | } |
5454 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5455 | if(((u_int)out)&7) emit_addnop(0); |
5456 | #endif |
5457 | } |
5458 | } |
5459 | else if(nop) { |
5460 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),cc); |
5461 | int jaddr=(int)out; |
5462 | emit_jns(0); |
5463 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0); |
5464 | } |
5465 | else { |
5466 | int taken=0,nottaken=0,nottaken1=0; |
5467 | do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert); |
5468 | if(adj&&!invert) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5469 | if(!only32) |
5470 | { |
5471 | assert(s1h>=0); |
5472 | if(opcode[i]==4) // BEQ |
5473 | { |
5474 | if(s2h>=0) emit_cmp(s1h,s2h); |
5475 | else emit_test(s1h,s1h); |
5476 | nottaken1=(int)out; |
5477 | emit_jne(1); |
5478 | } |
5479 | if(opcode[i]==5) // BNE |
5480 | { |
5481 | if(s2h>=0) emit_cmp(s1h,s2h); |
5482 | else emit_test(s1h,s1h); |
5483 | if(invert) taken=(int)out; |
5484 | else add_to_linker((int)out,ba[i],internal); |
5485 | emit_jne(0); |
5486 | } |
5487 | if(opcode[i]==6) // BLEZ |
5488 | { |
5489 | emit_test(s1h,s1h); |
5490 | if(invert) taken=(int)out; |
5491 | else add_to_linker((int)out,ba[i],internal); |
5492 | emit_js(0); |
5493 | nottaken1=(int)out; |
5494 | emit_jne(1); |
5495 | } |
5496 | if(opcode[i]==7) // BGTZ |
5497 | { |
5498 | emit_test(s1h,s1h); |
5499 | nottaken1=(int)out; |
5500 | emit_js(1); |
5501 | if(invert) taken=(int)out; |
5502 | else add_to_linker((int)out,ba[i],internal); |
5503 | emit_jne(0); |
5504 | } |
5505 | } // if(!only32) |
5506 | |
5507 | //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5508 | assert(s1l>=0); |
5509 | if(opcode[i]==4) // BEQ |
5510 | { |
5511 | if(s2l>=0) emit_cmp(s1l,s2l); |
5512 | else emit_test(s1l,s1l); |
5513 | if(invert){ |
5514 | nottaken=(int)out; |
5515 | emit_jne(1); |
5516 | }else{ |
5517 | add_to_linker((int)out,ba[i],internal); |
5518 | emit_jeq(0); |
5519 | } |
5520 | } |
5521 | if(opcode[i]==5) // BNE |
5522 | { |
5523 | if(s2l>=0) emit_cmp(s1l,s2l); |
5524 | else emit_test(s1l,s1l); |
5525 | if(invert){ |
5526 | nottaken=(int)out; |
5527 | emit_jeq(1); |
5528 | }else{ |
5529 | add_to_linker((int)out,ba[i],internal); |
5530 | emit_jne(0); |
5531 | } |
5532 | } |
5533 | if(opcode[i]==6) // BLEZ |
5534 | { |
5535 | emit_cmpimm(s1l,1); |
5536 | if(invert){ |
5537 | nottaken=(int)out; |
5538 | emit_jge(1); |
5539 | }else{ |
5540 | add_to_linker((int)out,ba[i],internal); |
5541 | emit_jl(0); |
5542 | } |
5543 | } |
5544 | if(opcode[i]==7) // BGTZ |
5545 | { |
5546 | emit_cmpimm(s1l,1); |
5547 | if(invert){ |
5548 | nottaken=(int)out; |
5549 | emit_jl(1); |
5550 | }else{ |
5551 | add_to_linker((int)out,ba[i],internal); |
5552 | emit_jge(0); |
5553 | } |
5554 | } |
5555 | if(invert) { |
5556 | if(taken) set_jump_target(taken,(int)out); |
5557 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5558 | if(match&&(!internal||!is_ds[(ba[i]-start)>>2])) { |
5559 | if(adj) { |
5560 | emit_addimm(cc,-CLOCK_DIVIDER*adj,cc); |
5561 | add_to_linker((int)out,ba[i],internal); |
5562 | }else{ |
5563 | emit_addnop(13); |
5564 | add_to_linker((int)out,ba[i],internal*2); |
5565 | } |
5566 | emit_jmp(0); |
5567 | }else |
5568 | #endif |
5569 | { |
5570 | if(adj) emit_addimm(cc,-CLOCK_DIVIDER*adj,cc); |
5571 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5572 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5573 | if(internal) |
5574 | assem_debug("branch: internal\n"); |
5575 | else |
5576 | assem_debug("branch: external\n"); |
5577 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
5578 | ds_assemble_entry(i); |
5579 | } |
5580 | else { |
5581 | add_to_linker((int)out,ba[i],internal); |
5582 | emit_jmp(0); |
5583 | } |
5584 | } |
5585 | set_jump_target(nottaken,(int)out); |
5586 | } |
5587 | |
5588 | if(nottaken1) set_jump_target(nottaken1,(int)out); |
5589 | if(adj) { |
5590 | if(!invert) emit_addimm(cc,CLOCK_DIVIDER*adj,cc); |
5591 | } |
5592 | } // (!unconditional) |
5593 | } // if(ooo) |
5594 | else |
5595 | { |
5596 | // In-order execution (branch first) |
5597 | //if(likely[i]) printf("IOL\n"); |
5598 | //else |
5599 | //printf("IOE\n"); |
5600 | int taken=0,nottaken=0,nottaken1=0; |
5601 | if(!unconditional&&!nop) { |
5602 | if(!only32) |
5603 | { |
5604 | assert(s1h>=0); |
5605 | if((opcode[i]&0x2f)==4) // BEQ |
5606 | { |
5607 | if(s2h>=0) emit_cmp(s1h,s2h); |
5608 | else emit_test(s1h,s1h); |
5609 | nottaken1=(int)out; |
5610 | emit_jne(2); |
5611 | } |
5612 | if((opcode[i]&0x2f)==5) // BNE |
5613 | { |
5614 | if(s2h>=0) emit_cmp(s1h,s2h); |
5615 | else emit_test(s1h,s1h); |
5616 | taken=(int)out; |
5617 | emit_jne(1); |
5618 | } |
5619 | if((opcode[i]&0x2f)==6) // BLEZ |
5620 | { |
5621 | emit_test(s1h,s1h); |
5622 | taken=(int)out; |
5623 | emit_js(1); |
5624 | nottaken1=(int)out; |
5625 | emit_jne(2); |
5626 | } |
5627 | if((opcode[i]&0x2f)==7) // BGTZ |
5628 | { |
5629 | emit_test(s1h,s1h); |
5630 | nottaken1=(int)out; |
5631 | emit_js(2); |
5632 | taken=(int)out; |
5633 | emit_jne(1); |
5634 | } |
5635 | } // if(!only32) |
5636 | |
5637 | //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5638 | assert(s1l>=0); |
5639 | if((opcode[i]&0x2f)==4) // BEQ |
5640 | { |
5641 | if(s2l>=0) emit_cmp(s1l,s2l); |
5642 | else emit_test(s1l,s1l); |
5643 | nottaken=(int)out; |
5644 | emit_jne(2); |
5645 | } |
5646 | if((opcode[i]&0x2f)==5) // BNE |
5647 | { |
5648 | if(s2l>=0) emit_cmp(s1l,s2l); |
5649 | else emit_test(s1l,s1l); |
5650 | nottaken=(int)out; |
5651 | emit_jeq(2); |
5652 | } |
5653 | if((opcode[i]&0x2f)==6) // BLEZ |
5654 | { |
5655 | emit_cmpimm(s1l,1); |
5656 | nottaken=(int)out; |
5657 | emit_jge(2); |
5658 | } |
5659 | if((opcode[i]&0x2f)==7) // BGTZ |
5660 | { |
5661 | emit_cmpimm(s1l,1); |
5662 | nottaken=(int)out; |
5663 | emit_jl(2); |
5664 | } |
5665 | } // if(!unconditional) |
5666 | int adj; |
5667 | uint64_t ds_unneeded=branch_regs[i].u; |
5668 | uint64_t ds_unneeded_upper=branch_regs[i].uu; |
5669 | ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
5670 | ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
5671 | if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1])); |
5672 | ds_unneeded|=1; |
5673 | ds_unneeded_upper|=1; |
5674 | // branch taken |
5675 | if(!nop) { |
5676 | if(taken) set_jump_target(taken,(int)out); |
5677 | assem_debug("1:\n"); |
5678 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5679 | ds_unneeded,ds_unneeded_upper); |
5680 | // load regs |
5681 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
5682 | address_generation(i+1,&branch_regs[i],0); |
5683 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP); |
5684 | ds_assemble(i+1,&branch_regs[i]); |
5685 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5686 | if(cc==-1) { |
5687 | emit_loadreg(CCREG,cc=HOST_CCREG); |
5688 | // CHECK: Is the following instruction (fall thru) allocated ok? |
5689 | } |
5690 | assert(cc==HOST_CCREG); |
5691 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5692 | do_cc(i,i_regmap,&adj,ba[i],TAKEN,0); |
5693 | assem_debug("cycle count (adj)\n"); |
5694 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5695 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5696 | if(internal) |
5697 | assem_debug("branch: internal\n"); |
5698 | else |
5699 | assem_debug("branch: external\n"); |
5700 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
5701 | ds_assemble_entry(i); |
5702 | } |
5703 | else { |
5704 | add_to_linker((int)out,ba[i],internal); |
5705 | emit_jmp(0); |
5706 | } |
5707 | } |
5708 | // branch not taken |
5709 | cop1_usable=prev_cop1_usable; |
5710 | if(!unconditional) { |
5711 | if(nottaken1) set_jump_target(nottaken1,(int)out); |
5712 | set_jump_target(nottaken,(int)out); |
5713 | assem_debug("2:\n"); |
5714 | if(!likely[i]) { |
5715 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5716 | ds_unneeded,ds_unneeded_upper); |
5717 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
5718 | address_generation(i+1,&branch_regs[i],0); |
5719 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
5720 | ds_assemble(i+1,&branch_regs[i]); |
5721 | } |
5722 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5723 | if(cc==-1&&!likely[i]) { |
5724 | // Cycle count isn't in a register, temporarily load it then write it out |
5725 | emit_loadreg(CCREG,HOST_CCREG); |
5726 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),HOST_CCREG); |
5727 | int jaddr=(int)out; |
5728 | emit_jns(0); |
5729 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0); |
5730 | emit_storereg(CCREG,HOST_CCREG); |
5731 | } |
5732 | else{ |
5733 | cc=get_reg(i_regmap,CCREG); |
5734 | assert(cc==HOST_CCREG); |
5735 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),cc); |
5736 | int jaddr=(int)out; |
5737 | emit_jns(0); |
5738 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0); |
5739 | } |
5740 | } |
5741 | } |
5742 | } |
5743 | |
5744 | void sjump_assemble(int i,struct regstat *i_regs) |
5745 | { |
5746 | signed char *i_regmap=i_regs->regmap; |
5747 | int cc; |
5748 | int match; |
5749 | match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5750 | assem_debug("smatch=%d\n",match); |
5751 | int s1h,s1l; |
5752 | int prev_cop1_usable=cop1_usable; |
5753 | int unconditional=0,nevertaken=0; |
5754 | int only32=0; |
57871462 |
5755 | int invert=0; |
5756 | int internal=internal_branch(branch_regs[i].is32,ba[i]); |
5757 | if(i==(ba[i]-start)>>2) assem_debug("idle loop\n"); |
57871462 |
5758 | if(!match) invert=1; |
5759 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5760 | if(i>(ba[i]-start)>>2) invert=1; |
5761 | #endif |
5762 | |
5763 | //if(opcode2[i]>=0x10) return; // FIXME (BxxZAL) |
df894a3a |
5764 | //assert(opcode2[i]<0x10||rs1[i]==0); // FIXME (BxxZAL) |
57871462 |
5765 | |
e1190b87 |
5766 | if(ooo[i]) { |
57871462 |
5767 | s1l=get_reg(branch_regs[i].regmap,rs1[i]); |
5768 | s1h=get_reg(branch_regs[i].regmap,rs1[i]|64); |
5769 | } |
5770 | else { |
5771 | s1l=get_reg(i_regmap,rs1[i]); |
5772 | s1h=get_reg(i_regmap,rs1[i]|64); |
5773 | } |
5774 | if(rs1[i]==0) |
5775 | { |
5776 | if(opcode2[i]&1) unconditional=1; |
5777 | else nevertaken=1; |
5778 | // These are never taken (r0 is never less than zero) |
5779 | //assert(opcode2[i]!=0); |
5780 | //assert(opcode2[i]!=2); |
5781 | //assert(opcode2[i]!=0x10); |
5782 | //assert(opcode2[i]!=0x12); |
5783 | } |
5784 | else { |
5785 | only32=(regs[i].was32>>rs1[i])&1; |
5786 | } |
5787 | |
e1190b87 |
5788 | if(ooo[i]) { |
57871462 |
5789 | // Out of order execution (delay slot first) |
5790 | //printf("OOOE\n"); |
5791 | address_generation(i+1,i_regs,regs[i].regmap_entry); |
5792 | ds_assemble(i+1,i_regs); |
5793 | int adj; |
5794 | uint64_t bc_unneeded=branch_regs[i].u; |
5795 | uint64_t bc_unneeded_upper=branch_regs[i].uu; |
5796 | bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
5797 | bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i])); |
5798 | bc_unneeded|=1; |
5799 | bc_unneeded_upper|=1; |
5800 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
5801 | bc_unneeded,bc_unneeded_upper); |
5802 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs1[i]); |
5803 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
5804 | if(rt1[i]==31) { |
5805 | int rt,return_address; |
57871462 |
5806 | rt=get_reg(branch_regs[i].regmap,31); |
5807 | assem_debug("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5808 | if(rt>=0) { |
5809 | // Save the PC even if the branch is not taken |
5810 | return_address=start+i*4+8; |
5811 | emit_movimm(return_address,rt); // PC into link register |
5812 | #ifdef IMM_PREFETCH |
5813 | if(!nevertaken) emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]); |
5814 | #endif |
5815 | } |
5816 | } |
5817 | cc=get_reg(branch_regs[i].regmap,CCREG); |
5818 | assert(cc==HOST_CCREG); |
5819 | if(unconditional) |
5820 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5821 | //do_cc(i,branch_regs[i].regmap,&adj,unconditional?ba[i]:-1,unconditional); |
5822 | assem_debug("cycle count (adj)\n"); |
5823 | if(unconditional) { |
5824 | do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0); |
5825 | if(i!=(ba[i]-start)>>2 || source[i+1]!=0) { |
5826 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5827 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5828 | if(internal) |
5829 | assem_debug("branch: internal\n"); |
5830 | else |
5831 | assem_debug("branch: external\n"); |
5832 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
5833 | ds_assemble_entry(i); |
5834 | } |
5835 | else { |
5836 | add_to_linker((int)out,ba[i],internal); |
5837 | emit_jmp(0); |
5838 | } |
5839 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5840 | if(((u_int)out)&7) emit_addnop(0); |
5841 | #endif |
5842 | } |
5843 | } |
5844 | else if(nevertaken) { |
5845 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),cc); |
5846 | int jaddr=(int)out; |
5847 | emit_jns(0); |
5848 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0); |
5849 | } |
5850 | else { |
5851 | int nottaken=0; |
5852 | do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert); |
5853 | if(adj&&!invert) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
5854 | if(!only32) |
5855 | { |
5856 | assert(s1h>=0); |
df894a3a |
5857 | if((opcode2[i]&0xf)==0) // BLTZ/BLTZAL |
57871462 |
5858 | { |
5859 | emit_test(s1h,s1h); |
5860 | if(invert){ |
5861 | nottaken=(int)out; |
5862 | emit_jns(1); |
5863 | }else{ |
5864 | add_to_linker((int)out,ba[i],internal); |
5865 | emit_js(0); |
5866 | } |
5867 | } |
df894a3a |
5868 | if((opcode2[i]&0xf)==1) // BGEZ/BLTZAL |
57871462 |
5869 | { |
5870 | emit_test(s1h,s1h); |
5871 | if(invert){ |
5872 | nottaken=(int)out; |
5873 | emit_js(1); |
5874 | }else{ |
5875 | add_to_linker((int)out,ba[i],internal); |
5876 | emit_jns(0); |
5877 | } |
5878 | } |
5879 | } // if(!only32) |
5880 | else |
5881 | { |
5882 | assert(s1l>=0); |
df894a3a |
5883 | if((opcode2[i]&0xf)==0) // BLTZ/BLTZAL |
57871462 |
5884 | { |
5885 | emit_test(s1l,s1l); |
5886 | if(invert){ |
5887 | nottaken=(int)out; |
5888 | emit_jns(1); |
5889 | }else{ |
5890 | add_to_linker((int)out,ba[i],internal); |
5891 | emit_js(0); |
5892 | } |
5893 | } |
df894a3a |
5894 | if((opcode2[i]&0xf)==1) // BGEZ/BLTZAL |
57871462 |
5895 | { |
5896 | emit_test(s1l,s1l); |
5897 | if(invert){ |
5898 | nottaken=(int)out; |
5899 | emit_js(1); |
5900 | }else{ |
5901 | add_to_linker((int)out,ba[i],internal); |
5902 | emit_jns(0); |
5903 | } |
5904 | } |
5905 | } // if(!only32) |
5906 | |
5907 | if(invert) { |
5908 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
5909 | if(match&&(!internal||!is_ds[(ba[i]-start)>>2])) { |
5910 | if(adj) { |
5911 | emit_addimm(cc,-CLOCK_DIVIDER*adj,cc); |
5912 | add_to_linker((int)out,ba[i],internal); |
5913 | }else{ |
5914 | emit_addnop(13); |
5915 | add_to_linker((int)out,ba[i],internal*2); |
5916 | } |
5917 | emit_jmp(0); |
5918 | }else |
5919 | #endif |
5920 | { |
5921 | if(adj) emit_addimm(cc,-CLOCK_DIVIDER*adj,cc); |
5922 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5923 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
5924 | if(internal) |
5925 | assem_debug("branch: internal\n"); |
5926 | else |
5927 | assem_debug("branch: external\n"); |
5928 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
5929 | ds_assemble_entry(i); |
5930 | } |
5931 | else { |
5932 | add_to_linker((int)out,ba[i],internal); |
5933 | emit_jmp(0); |
5934 | } |
5935 | } |
5936 | set_jump_target(nottaken,(int)out); |
5937 | } |
5938 | |
5939 | if(adj) { |
5940 | if(!invert) emit_addimm(cc,CLOCK_DIVIDER*adj,cc); |
5941 | } |
5942 | } // (!unconditional) |
5943 | } // if(ooo) |
5944 | else |
5945 | { |
5946 | // In-order execution (branch first) |
5947 | //printf("IOE\n"); |
5948 | int nottaken=0; |
a6491170 |
5949 | if(rt1[i]==31) { |
5950 | int rt,return_address; |
a6491170 |
5951 | rt=get_reg(branch_regs[i].regmap,31); |
5952 | if(rt>=0) { |
5953 | // Save the PC even if the branch is not taken |
5954 | return_address=start+i*4+8; |
5955 | emit_movimm(return_address,rt); // PC into link register |
5956 | #ifdef IMM_PREFETCH |
5957 | emit_prefetch(hash_table[((return_address>>16)^return_address)&0xFFFF]); |
5958 | #endif |
5959 | } |
5960 | } |
57871462 |
5961 | if(!unconditional) { |
5962 | //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
5963 | if(!only32) |
5964 | { |
5965 | assert(s1h>=0); |
a6491170 |
5966 | if((opcode2[i]&0x0d)==0) // BLTZ/BLTZL/BLTZAL/BLTZALL |
57871462 |
5967 | { |
5968 | emit_test(s1h,s1h); |
5969 | nottaken=(int)out; |
5970 | emit_jns(1); |
5971 | } |
a6491170 |
5972 | if((opcode2[i]&0x0d)==1) // BGEZ/BGEZL/BGEZAL/BGEZALL |
57871462 |
5973 | { |
5974 | emit_test(s1h,s1h); |
5975 | nottaken=(int)out; |
5976 | emit_js(1); |
5977 | } |
5978 | } // if(!only32) |
5979 | else |
5980 | { |
5981 | assert(s1l>=0); |
a6491170 |
5982 | if((opcode2[i]&0x0d)==0) // BLTZ/BLTZL/BLTZAL/BLTZALL |
57871462 |
5983 | { |
5984 | emit_test(s1l,s1l); |
5985 | nottaken=(int)out; |
5986 | emit_jns(1); |
5987 | } |
a6491170 |
5988 | if((opcode2[i]&0x0d)==1) // BGEZ/BGEZL/BGEZAL/BGEZALL |
57871462 |
5989 | { |
5990 | emit_test(s1l,s1l); |
5991 | nottaken=(int)out; |
5992 | emit_js(1); |
5993 | } |
5994 | } |
5995 | } // if(!unconditional) |
5996 | int adj; |
5997 | uint64_t ds_unneeded=branch_regs[i].u; |
5998 | uint64_t ds_unneeded_upper=branch_regs[i].uu; |
5999 | ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6000 | ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6001 | if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1])); |
6002 | ds_unneeded|=1; |
6003 | ds_unneeded_upper|=1; |
6004 | // branch taken |
6005 | if(!nevertaken) { |
6006 | //assem_debug("1:\n"); |
6007 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
6008 | ds_unneeded,ds_unneeded_upper); |
6009 | // load regs |
6010 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
6011 | address_generation(i+1,&branch_regs[i],0); |
6012 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP); |
6013 | ds_assemble(i+1,&branch_regs[i]); |
6014 | cc=get_reg(branch_regs[i].regmap,CCREG); |
6015 | if(cc==-1) { |
6016 | emit_loadreg(CCREG,cc=HOST_CCREG); |
6017 | // CHECK: Is the following instruction (fall thru) allocated ok? |
6018 | } |
6019 | assert(cc==HOST_CCREG); |
6020 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6021 | do_cc(i,i_regmap,&adj,ba[i],TAKEN,0); |
6022 | assem_debug("cycle count (adj)\n"); |
6023 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
6024 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6025 | if(internal) |
6026 | assem_debug("branch: internal\n"); |
6027 | else |
6028 | assem_debug("branch: external\n"); |
6029 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
6030 | ds_assemble_entry(i); |
6031 | } |
6032 | else { |
6033 | add_to_linker((int)out,ba[i],internal); |
6034 | emit_jmp(0); |
6035 | } |
6036 | } |
6037 | // branch not taken |
6038 | cop1_usable=prev_cop1_usable; |
6039 | if(!unconditional) { |
6040 | set_jump_target(nottaken,(int)out); |
6041 | assem_debug("1:\n"); |
6042 | if(!likely[i]) { |
6043 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
6044 | ds_unneeded,ds_unneeded_upper); |
6045 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
6046 | address_generation(i+1,&branch_regs[i],0); |
6047 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
6048 | ds_assemble(i+1,&branch_regs[i]); |
6049 | } |
6050 | cc=get_reg(branch_regs[i].regmap,CCREG); |
6051 | if(cc==-1&&!likely[i]) { |
6052 | // Cycle count isn't in a register, temporarily load it then write it out |
6053 | emit_loadreg(CCREG,HOST_CCREG); |
6054 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),HOST_CCREG); |
6055 | int jaddr=(int)out; |
6056 | emit_jns(0); |
6057 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0); |
6058 | emit_storereg(CCREG,HOST_CCREG); |
6059 | } |
6060 | else{ |
6061 | cc=get_reg(i_regmap,CCREG); |
6062 | assert(cc==HOST_CCREG); |
6063 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),cc); |
6064 | int jaddr=(int)out; |
6065 | emit_jns(0); |
6066 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0); |
6067 | } |
6068 | } |
6069 | } |
6070 | } |
6071 | |
6072 | void fjump_assemble(int i,struct regstat *i_regs) |
6073 | { |
6074 | signed char *i_regmap=i_regs->regmap; |
6075 | int cc; |
6076 | int match; |
6077 | match=match_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6078 | assem_debug("fmatch=%d\n",match); |
6079 | int fs,cs; |
6080 | int eaddr; |
57871462 |
6081 | int invert=0; |
6082 | int internal=internal_branch(branch_regs[i].is32,ba[i]); |
6083 | if(i==(ba[i]-start)>>2) assem_debug("idle loop\n"); |
57871462 |
6084 | if(!match) invert=1; |
6085 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
6086 | if(i>(ba[i]-start)>>2) invert=1; |
6087 | #endif |
6088 | |
e1190b87 |
6089 | if(ooo[i]) { |
57871462 |
6090 | fs=get_reg(branch_regs[i].regmap,FSREG); |
6091 | address_generation(i+1,i_regs,regs[i].regmap_entry); // Is this okay? |
6092 | } |
6093 | else { |
6094 | fs=get_reg(i_regmap,FSREG); |
6095 | } |
6096 | |
6097 | // Check cop1 unusable |
6098 | if(!cop1_usable) { |
6099 | cs=get_reg(i_regmap,CSREG); |
6100 | assert(cs>=0); |
6101 | emit_testimm(cs,0x20000000); |
6102 | eaddr=(int)out; |
6103 | emit_jeq(0); |
6104 | add_stub(FP_STUB,eaddr,(int)out,i,cs,(int)i_regs,0,0); |
6105 | cop1_usable=1; |
6106 | } |
6107 | |
e1190b87 |
6108 | if(ooo[i]) { |
57871462 |
6109 | // Out of order execution (delay slot first) |
6110 | //printf("OOOE\n"); |
6111 | ds_assemble(i+1,i_regs); |
6112 | int adj; |
6113 | uint64_t bc_unneeded=branch_regs[i].u; |
6114 | uint64_t bc_unneeded_upper=branch_regs[i].uu; |
6115 | bc_unneeded&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
6116 | bc_unneeded_upper&=~((1LL<<us1[i])|(1LL<<us2[i])); |
6117 | bc_unneeded|=1; |
6118 | bc_unneeded_upper|=1; |
6119 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
6120 | bc_unneeded,bc_unneeded_upper); |
6121 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i],rs1[i]); |
6122 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
6123 | cc=get_reg(branch_regs[i].regmap,CCREG); |
6124 | assert(cc==HOST_CCREG); |
6125 | do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert); |
6126 | assem_debug("cycle count (adj)\n"); |
6127 | if(1) { |
6128 | int nottaken=0; |
6129 | if(adj&&!invert) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
6130 | if(1) { |
6131 | assert(fs>=0); |
6132 | emit_testimm(fs,0x800000); |
6133 | if(source[i]&0x10000) // BC1T |
6134 | { |
6135 | if(invert){ |
6136 | nottaken=(int)out; |
6137 | emit_jeq(1); |
6138 | }else{ |
6139 | add_to_linker((int)out,ba[i],internal); |
6140 | emit_jne(0); |
6141 | } |
6142 | } |
6143 | else // BC1F |
6144 | if(invert){ |
6145 | nottaken=(int)out; |
6146 | emit_jne(1); |
6147 | }else{ |
6148 | add_to_linker((int)out,ba[i],internal); |
6149 | emit_jeq(0); |
6150 | } |
6151 | { |
6152 | } |
6153 | } // if(!only32) |
6154 | |
6155 | if(invert) { |
6156 | if(adj) emit_addimm(cc,-CLOCK_DIVIDER*adj,cc); |
6157 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
6158 | else if(match) emit_addnop(13); |
6159 | #endif |
6160 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6161 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6162 | if(internal) |
6163 | assem_debug("branch: internal\n"); |
6164 | else |
6165 | assem_debug("branch: external\n"); |
6166 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
6167 | ds_assemble_entry(i); |
6168 | } |
6169 | else { |
6170 | add_to_linker((int)out,ba[i],internal); |
6171 | emit_jmp(0); |
6172 | } |
6173 | set_jump_target(nottaken,(int)out); |
6174 | } |
6175 | |
6176 | if(adj) { |
6177 | if(!invert) emit_addimm(cc,CLOCK_DIVIDER*adj,cc); |
6178 | } |
6179 | } // (!unconditional) |
6180 | } // if(ooo) |
6181 | else |
6182 | { |
6183 | // In-order execution (branch first) |
6184 | //printf("IOE\n"); |
6185 | int nottaken=0; |
6186 | if(1) { |
6187 | //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
6188 | if(1) { |
6189 | assert(fs>=0); |
6190 | emit_testimm(fs,0x800000); |
6191 | if(source[i]&0x10000) // BC1T |
6192 | { |
6193 | nottaken=(int)out; |
6194 | emit_jeq(1); |
6195 | } |
6196 | else // BC1F |
6197 | { |
6198 | nottaken=(int)out; |
6199 | emit_jne(1); |
6200 | } |
6201 | } |
6202 | } // if(!unconditional) |
6203 | int adj; |
6204 | uint64_t ds_unneeded=branch_regs[i].u; |
6205 | uint64_t ds_unneeded_upper=branch_regs[i].uu; |
6206 | ds_unneeded&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6207 | ds_unneeded_upper&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6208 | if((~ds_unneeded_upper>>rt1[i+1])&1) ds_unneeded_upper&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1])); |
6209 | ds_unneeded|=1; |
6210 | ds_unneeded_upper|=1; |
6211 | // branch taken |
6212 | //assem_debug("1:\n"); |
6213 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
6214 | ds_unneeded,ds_unneeded_upper); |
6215 | // load regs |
6216 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
6217 | address_generation(i+1,&branch_regs[i],0); |
6218 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,INVCP); |
6219 | ds_assemble(i+1,&branch_regs[i]); |
6220 | cc=get_reg(branch_regs[i].regmap,CCREG); |
6221 | if(cc==-1) { |
6222 | emit_loadreg(CCREG,cc=HOST_CCREG); |
6223 | // CHECK: Is the following instruction (fall thru) allocated ok? |
6224 | } |
6225 | assert(cc==HOST_CCREG); |
6226 | store_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6227 | do_cc(i,i_regmap,&adj,ba[i],TAKEN,0); |
6228 | assem_debug("cycle count (adj)\n"); |
6229 | if(adj) emit_addimm(cc,CLOCK_DIVIDER*(ccadj[i]+2-adj),cc); |
6230 | load_regs_bt(branch_regs[i].regmap,branch_regs[i].is32,branch_regs[i].dirty,ba[i]); |
6231 | if(internal) |
6232 | assem_debug("branch: internal\n"); |
6233 | else |
6234 | assem_debug("branch: external\n"); |
6235 | if(internal&&is_ds[(ba[i]-start)>>2]) { |
6236 | ds_assemble_entry(i); |
6237 | } |
6238 | else { |
6239 | add_to_linker((int)out,ba[i],internal); |
6240 | emit_jmp(0); |
6241 | } |
6242 | |
6243 | // branch not taken |
6244 | if(1) { // <- FIXME (don't need this) |
6245 | set_jump_target(nottaken,(int)out); |
6246 | assem_debug("1:\n"); |
6247 | if(!likely[i]) { |
6248 | wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,regs[i].is32, |
6249 | ds_unneeded,ds_unneeded_upper); |
6250 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,rs1[i+1],rs2[i+1]); |
6251 | address_generation(i+1,&branch_regs[i],0); |
6252 | load_regs(regs[i].regmap,branch_regs[i].regmap,regs[i].was32,CCREG,CCREG); |
6253 | ds_assemble(i+1,&branch_regs[i]); |
6254 | } |
6255 | cc=get_reg(branch_regs[i].regmap,CCREG); |
6256 | if(cc==-1&&!likely[i]) { |
6257 | // Cycle count isn't in a register, temporarily load it then write it out |
6258 | emit_loadreg(CCREG,HOST_CCREG); |
6259 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),HOST_CCREG); |
6260 | int jaddr=(int)out; |
6261 | emit_jns(0); |
6262 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,NOTTAKEN,0); |
6263 | emit_storereg(CCREG,HOST_CCREG); |
6264 | } |
6265 | else{ |
6266 | cc=get_reg(i_regmap,CCREG); |
6267 | assert(cc==HOST_CCREG); |
6268 | emit_addimm_and_set_flags(CLOCK_DIVIDER*(ccadj[i]+2),cc); |
6269 | int jaddr=(int)out; |
6270 | emit_jns(0); |
6271 | add_stub(CC_STUB,jaddr,(int)out,0,i,start+i*4+8,likely[i]?NULLDS:NOTTAKEN,0); |
6272 | } |
6273 | } |
6274 | } |
6275 | } |
6276 | |
6277 | static void pagespan_assemble(int i,struct regstat *i_regs) |
6278 | { |
6279 | int s1l=get_reg(i_regs->regmap,rs1[i]); |
6280 | int s1h=get_reg(i_regs->regmap,rs1[i]|64); |
6281 | int s2l=get_reg(i_regs->regmap,rs2[i]); |
6282 | int s2h=get_reg(i_regs->regmap,rs2[i]|64); |
6283 | void *nt_branch=NULL; |
6284 | int taken=0; |
6285 | int nottaken=0; |
6286 | int unconditional=0; |
6287 | if(rs1[i]==0) |
6288 | { |
6289 | s1l=s2l;s1h=s2h; |
6290 | s2l=s2h=-1; |
6291 | } |
6292 | else if(rs2[i]==0) |
6293 | { |
6294 | s2l=s2h=-1; |
6295 | } |
6296 | if((i_regs->is32>>rs1[i])&(i_regs->is32>>rs2[i])&1) { |
6297 | s1h=s2h=-1; |
6298 | } |
6299 | int hr=0; |
6300 | int addr,alt,ntaddr; |
6301 | if(i_regs->regmap[HOST_BTREG]<0) {addr=HOST_BTREG;} |
6302 | else { |
6303 | while(hr<HOST_REGS) |
6304 | { |
6305 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && |
6306 | (i_regs->regmap[hr]&63)!=rs1[i] && |
6307 | (i_regs->regmap[hr]&63)!=rs2[i] ) |
6308 | { |
6309 | addr=hr++;break; |
6310 | } |
6311 | hr++; |
6312 | } |
6313 | } |
6314 | while(hr<HOST_REGS) |
6315 | { |
6316 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && hr!=HOST_BTREG && |
6317 | (i_regs->regmap[hr]&63)!=rs1[i] && |
6318 | (i_regs->regmap[hr]&63)!=rs2[i] ) |
6319 | { |
6320 | alt=hr++;break; |
6321 | } |
6322 | hr++; |
6323 | } |
6324 | if((opcode[i]&0x2E)==6) // BLEZ/BGTZ needs another register |
6325 | { |
6326 | while(hr<HOST_REGS) |
6327 | { |
6328 | if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && hr!=HOST_BTREG && |
6329 | (i_regs->regmap[hr]&63)!=rs1[i] && |
6330 | (i_regs->regmap[hr]&63)!=rs2[i] ) |
6331 | { |
6332 | ntaddr=hr;break; |
6333 | } |
6334 | hr++; |
6335 | } |
6336 | } |
6337 | assert(hr<HOST_REGS); |
6338 | if((opcode[i]&0x2e)==4||opcode[i]==0x11) { // BEQ/BNE/BEQL/BNEL/BC1 |
6339 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,CCREG,CCREG); |
6340 | } |
6341 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*(ccadj[i]+2),HOST_CCREG); |
6342 | if(opcode[i]==2) // J |
6343 | { |
6344 | unconditional=1; |
6345 | } |
6346 | if(opcode[i]==3) // JAL |
6347 | { |
6348 | // TODO: mini_ht |
6349 | int rt=get_reg(i_regs->regmap,31); |
6350 | emit_movimm(start+i*4+8,rt); |
6351 | unconditional=1; |
6352 | } |
6353 | if(opcode[i]==0&&(opcode2[i]&0x3E)==8) // JR/JALR |
6354 | { |
6355 | emit_mov(s1l,addr); |
6356 | if(opcode2[i]==9) // JALR |
6357 | { |
5067f341 |
6358 | int rt=get_reg(i_regs->regmap,rt1[i]); |
57871462 |
6359 | emit_movimm(start+i*4+8,rt); |
6360 | } |
6361 | } |
6362 | if((opcode[i]&0x3f)==4) // BEQ |
6363 | { |
6364 | if(rs1[i]==rs2[i]) |
6365 | { |
6366 | unconditional=1; |
6367 | } |
6368 | else |
6369 | #ifdef HAVE_CMOV_IMM |
6370 | if(s1h<0) { |
6371 | if(s2l>=0) emit_cmp(s1l,s2l); |
6372 | else emit_test(s1l,s1l); |
6373 | emit_cmov2imm_e_ne_compact(ba[i],start+i*4+8,addr); |
6374 | } |
6375 | else |
6376 | #endif |
6377 | { |
6378 | assert(s1l>=0); |
6379 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt); |
6380 | if(s1h>=0) { |
6381 | if(s2h>=0) emit_cmp(s1h,s2h); |
6382 | else emit_test(s1h,s1h); |
6383 | emit_cmovne_reg(alt,addr); |
6384 | } |
6385 | if(s2l>=0) emit_cmp(s1l,s2l); |
6386 | else emit_test(s1l,s1l); |
6387 | emit_cmovne_reg(alt,addr); |
6388 | } |
6389 | } |
6390 | if((opcode[i]&0x3f)==5) // BNE |
6391 | { |
6392 | #ifdef HAVE_CMOV_IMM |
6393 | if(s1h<0) { |
6394 | if(s2l>=0) emit_cmp(s1l,s2l); |
6395 | else emit_test(s1l,s1l); |
6396 | emit_cmov2imm_e_ne_compact(start+i*4+8,ba[i],addr); |
6397 | } |
6398 | else |
6399 | #endif |
6400 | { |
6401 | assert(s1l>=0); |
6402 | emit_mov2imm_compact(start+i*4+8,addr,ba[i],alt); |
6403 | if(s1h>=0) { |
6404 | if(s2h>=0) emit_cmp(s1h,s2h); |
6405 | else emit_test(s1h,s1h); |
6406 | emit_cmovne_reg(alt,addr); |
6407 | } |
6408 | if(s2l>=0) emit_cmp(s1l,s2l); |
6409 | else emit_test(s1l,s1l); |
6410 | emit_cmovne_reg(alt,addr); |
6411 | } |
6412 | } |
6413 | if((opcode[i]&0x3f)==0x14) // BEQL |
6414 | { |
6415 | if(s1h>=0) { |
6416 | if(s2h>=0) emit_cmp(s1h,s2h); |
6417 | else emit_test(s1h,s1h); |
6418 | nottaken=(int)out; |
6419 | emit_jne(0); |
6420 | } |
6421 | if(s2l>=0) emit_cmp(s1l,s2l); |
6422 | else emit_test(s1l,s1l); |
6423 | if(nottaken) set_jump_target(nottaken,(int)out); |
6424 | nottaken=(int)out; |
6425 | emit_jne(0); |
6426 | } |
6427 | if((opcode[i]&0x3f)==0x15) // BNEL |
6428 | { |
6429 | if(s1h>=0) { |
6430 | if(s2h>=0) emit_cmp(s1h,s2h); |
6431 | else emit_test(s1h,s1h); |
6432 | taken=(int)out; |
6433 | emit_jne(0); |
6434 | } |
6435 | if(s2l>=0) emit_cmp(s1l,s2l); |
6436 | else emit_test(s1l,s1l); |
6437 | nottaken=(int)out; |
6438 | emit_jeq(0); |
6439 | if(taken) set_jump_target(taken,(int)out); |
6440 | } |
6441 | if((opcode[i]&0x3f)==6) // BLEZ |
6442 | { |
6443 | emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr); |
6444 | emit_cmpimm(s1l,1); |
6445 | if(s1h>=0) emit_mov(addr,ntaddr); |
6446 | emit_cmovl_reg(alt,addr); |
6447 | if(s1h>=0) { |
6448 | emit_test(s1h,s1h); |
6449 | emit_cmovne_reg(ntaddr,addr); |
6450 | emit_cmovs_reg(alt,addr); |
6451 | } |
6452 | } |
6453 | if((opcode[i]&0x3f)==7) // BGTZ |
6454 | { |
6455 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,ntaddr); |
6456 | emit_cmpimm(s1l,1); |
6457 | if(s1h>=0) emit_mov(addr,alt); |
6458 | emit_cmovl_reg(ntaddr,addr); |
6459 | if(s1h>=0) { |
6460 | emit_test(s1h,s1h); |
6461 | emit_cmovne_reg(alt,addr); |
6462 | emit_cmovs_reg(ntaddr,addr); |
6463 | } |
6464 | } |
6465 | if((opcode[i]&0x3f)==0x16) // BLEZL |
6466 | { |
6467 | assert((opcode[i]&0x3f)!=0x16); |
6468 | } |
6469 | if((opcode[i]&0x3f)==0x17) // BGTZL |
6470 | { |
6471 | assert((opcode[i]&0x3f)!=0x17); |
6472 | } |
6473 | assert(opcode[i]!=1); // BLTZ/BGEZ |
6474 | |
6475 | //FIXME: Check CSREG |
6476 | if(opcode[i]==0x11 && opcode2[i]==0x08 ) { |
6477 | if((source[i]&0x30000)==0) // BC1F |
6478 | { |
6479 | emit_mov2imm_compact(ba[i],addr,start+i*4+8,alt); |
6480 | emit_testimm(s1l,0x800000); |
6481 | emit_cmovne_reg(alt,addr); |
6482 | } |
6483 | if((source[i]&0x30000)==0x10000) // BC1T |
6484 | { |
6485 | emit_mov2imm_compact(ba[i],alt,start+i*4+8,addr); |
6486 | emit_testimm(s1l,0x800000); |
6487 | emit_cmovne_reg(alt,addr); |
6488 | } |
6489 | if((source[i]&0x30000)==0x20000) // BC1FL |
6490 | { |
6491 | emit_testimm(s1l,0x800000); |
6492 | nottaken=(int)out; |
6493 | emit_jne(0); |
6494 | } |
6495 | if((source[i]&0x30000)==0x30000) // BC1TL |
6496 | { |
6497 | emit_testimm(s1l,0x800000); |
6498 | nottaken=(int)out; |
6499 | emit_jeq(0); |
6500 | } |
6501 | } |
6502 | |
6503 | assert(i_regs->regmap[HOST_CCREG]==CCREG); |
6504 | wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty); |
6505 | if(likely[i]||unconditional) |
6506 | { |
6507 | emit_movimm(ba[i],HOST_BTREG); |
6508 | } |
6509 | else if(addr!=HOST_BTREG) |
6510 | { |
6511 | emit_mov(addr,HOST_BTREG); |
6512 | } |
6513 | void *branch_addr=out; |
6514 | emit_jmp(0); |
6515 | int target_addr=start+i*4+5; |
6516 | void *stub=out; |
6517 | void *compiled_target_addr=check_addr(target_addr); |
6518 | emit_extjump_ds((int)branch_addr,target_addr); |
6519 | if(compiled_target_addr) { |
6520 | set_jump_target((int)branch_addr,(int)compiled_target_addr); |
6521 | add_link(target_addr,stub); |
6522 | } |
6523 | else set_jump_target((int)branch_addr,(int)stub); |
6524 | if(likely[i]) { |
6525 | // Not-taken path |
6526 | set_jump_target((int)nottaken,(int)out); |
6527 | wb_dirtys(regs[i].regmap,regs[i].is32,regs[i].dirty); |
6528 | void *branch_addr=out; |
6529 | emit_jmp(0); |
6530 | int target_addr=start+i*4+8; |
6531 | void *stub=out; |
6532 | void *compiled_target_addr=check_addr(target_addr); |
6533 | emit_extjump_ds((int)branch_addr,target_addr); |
6534 | if(compiled_target_addr) { |
6535 | set_jump_target((int)branch_addr,(int)compiled_target_addr); |
6536 | add_link(target_addr,stub); |
6537 | } |
6538 | else set_jump_target((int)branch_addr,(int)stub); |
6539 | } |
6540 | } |
6541 | |
6542 | // Assemble the delay slot for the above |
6543 | static void pagespan_ds() |
6544 | { |
6545 | assem_debug("initial delay slot:\n"); |
6546 | u_int vaddr=start+1; |
94d23bb9 |
6547 | u_int page=get_page(vaddr); |
6548 | u_int vpage=get_vpage(vaddr); |
57871462 |
6549 | ll_add(jump_dirty+vpage,vaddr,(void *)out); |
6550 | do_dirty_stub_ds(); |
6551 | ll_add(jump_in+page,vaddr,(void *)out); |
6552 | assert(regs[0].regmap_entry[HOST_CCREG]==CCREG); |
6553 | if(regs[0].regmap[HOST_CCREG]!=CCREG) |
6554 | wb_register(CCREG,regs[0].regmap_entry,regs[0].wasdirty,regs[0].was32); |
6555 | if(regs[0].regmap[HOST_BTREG]!=BTREG) |
6556 | emit_writeword(HOST_BTREG,(int)&branch_target); |
6557 | load_regs(regs[0].regmap_entry,regs[0].regmap,regs[0].was32,rs1[0],rs2[0]); |
6558 | address_generation(0,®s[0],regs[0].regmap_entry); |
b9b61529 |
6559 | if(itype[0]==STORE||itype[0]==STORELR||(opcode[0]&0x3b)==0x39||(opcode[0]&0x3b)==0x3a) |
57871462 |
6560 | load_regs(regs[0].regmap_entry,regs[0].regmap,regs[0].was32,INVCP,INVCP); |
6561 | cop1_usable=0; |
6562 | is_delayslot=0; |
6563 | switch(itype[0]) { |
6564 | case ALU: |
6565 | alu_assemble(0,®s[0]);break; |
6566 | case IMM16: |
6567 | imm16_assemble(0,®s[0]);break; |
6568 | case SHIFT: |
6569 | shift_assemble(0,®s[0]);break; |
6570 | case SHIFTIMM: |
6571 | shiftimm_assemble(0,®s[0]);break; |
6572 | case LOAD: |
6573 | load_assemble(0,®s[0]);break; |
6574 | case LOADLR: |
6575 | loadlr_assemble(0,®s[0]);break; |
6576 | case STORE: |
6577 | store_assemble(0,®s[0]);break; |
6578 | case STORELR: |
6579 | storelr_assemble(0,®s[0]);break; |
6580 | case COP0: |
6581 | cop0_assemble(0,®s[0]);break; |
6582 | case COP1: |
6583 | cop1_assemble(0,®s[0]);break; |
6584 | case C1LS: |
6585 | c1ls_assemble(0,®s[0]);break; |
b9b61529 |
6586 | case COP2: |
6587 | cop2_assemble(0,®s[0]);break; |
6588 | case C2LS: |
6589 | c2ls_assemble(0,®s[0]);break; |
6590 | case C2OP: |
6591 | c2op_assemble(0,®s[0]);break; |
57871462 |
6592 | case FCONV: |
6593 | fconv_assemble(0,®s[0]);break; |
6594 | case FLOAT: |
6595 | float_assemble(0,®s[0]);break; |
6596 | case FCOMP: |
6597 | fcomp_assemble(0,®s[0]);break; |
6598 | case MULTDIV: |
6599 | multdiv_assemble(0,®s[0]);break; |
6600 | case MOV: |
6601 | mov_assemble(0,®s[0]);break; |
6602 | case SYSCALL: |
7139f3c8 |
6603 | case HLECALL: |
1e973cb0 |
6604 | case INTCALL: |
57871462 |
6605 | case SPAN: |
6606 | case UJUMP: |
6607 | case RJUMP: |
6608 | case CJUMP: |
6609 | case SJUMP: |
6610 | case FJUMP: |
6611 | printf("Jump in the delay slot. This is probably a bug.\n"); |
6612 | } |
6613 | int btaddr=get_reg(regs[0].regmap,BTREG); |
6614 | if(btaddr<0) { |
6615 | btaddr=get_reg(regs[0].regmap,-1); |
6616 | emit_readword((int)&branch_target,btaddr); |
6617 | } |
6618 | assert(btaddr!=HOST_CCREG); |
6619 | if(regs[0].regmap[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG); |
6620 | #ifdef HOST_IMM8 |
6621 | emit_movimm(start+4,HOST_TEMPREG); |
6622 | emit_cmp(btaddr,HOST_TEMPREG); |
6623 | #else |
6624 | emit_cmpimm(btaddr,start+4); |
6625 | #endif |
6626 | int branch=(int)out; |
6627 | emit_jeq(0); |
6628 | store_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,-1); |
6629 | emit_jmp(jump_vaddr_reg[btaddr]); |
6630 | set_jump_target(branch,(int)out); |
6631 | store_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,start+4); |
6632 | load_regs_bt(regs[0].regmap,regs[0].is32,regs[0].dirty,start+4); |
6633 | } |
6634 | |
6635 | // Basic liveness analysis for MIPS registers |
6636 | void unneeded_registers(int istart,int iend,int r) |
6637 | { |
6638 | int i; |
6639 | uint64_t u,uu,b,bu; |
6640 | uint64_t temp_u,temp_uu; |
6641 | uint64_t tdep; |
6642 | if(iend==slen-1) { |
6643 | u=1;uu=1; |
6644 | }else{ |
6645 | u=unneeded_reg[iend+1]; |
6646 | uu=unneeded_reg_upper[iend+1]; |
6647 | u=1;uu=1; |
6648 | } |
6649 | for (i=iend;i>=istart;i--) |
6650 | { |
6651 | //printf("unneeded registers i=%d (%d,%d) r=%d\n",i,istart,iend,r); |
6652 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
6653 | { |
6654 | // If subroutine call, flag return address as a possible branch target |
6655 | if(rt1[i]==31 && i<slen-2) bt[i+2]=1; |
6656 | |
6657 | if(ba[i]<start || ba[i]>=(start+slen*4)) |
6658 | { |
6659 | // Branch out of this block, flush all regs |
6660 | u=1; |
6661 | uu=1; |
6662 | /* Hexagon hack |
6663 | if(itype[i]==UJUMP&&rt1[i]==31) |
6664 | { |
6665 | uu=u=0x300C00F; // Discard at, v0-v1, t6-t9 |
6666 | } |
6667 | if(itype[i]==RJUMP&&rs1[i]==31) |
6668 | { |
6669 | uu=u=0x300C0F3; // Discard at, a0-a3, t6-t9 |
6670 | } |
4cb76aa4 |
6671 | if(start>0x80000400&&start<0x80000000+RAM_SIZE) { |
57871462 |
6672 | if(itype[i]==UJUMP&&rt1[i]==31) |
6673 | { |
6674 | //uu=u=0x30300FF0FLL; // Discard at, v0-v1, t0-t9, lo, hi |
6675 | uu=u=0x300FF0F; // Discard at, v0-v1, t0-t9 |
6676 | } |
6677 | if(itype[i]==RJUMP&&rs1[i]==31) |
6678 | { |
6679 | //uu=u=0x30300FFF3LL; // Discard at, a0-a3, t0-t9, lo, hi |
6680 | uu=u=0x300FFF3; // Discard at, a0-a3, t0-t9 |
6681 | } |
6682 | }*/ |
6683 | branch_unneeded_reg[i]=u; |
6684 | branch_unneeded_reg_upper[i]=uu; |
6685 | // Merge in delay slot |
6686 | tdep=(~uu>>rt1[i+1])&1; |
6687 | u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6688 | uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6689 | u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6690 | uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6691 | uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1])); |
6692 | u|=1;uu|=1; |
6693 | // If branch is "likely" (and conditional) |
6694 | // then we skip the delay slot on the fall-thru path |
6695 | if(likely[i]) { |
6696 | if(i<slen-1) { |
6697 | u&=unneeded_reg[i+2]; |
6698 | uu&=unneeded_reg_upper[i+2]; |
6699 | } |
6700 | else |
6701 | { |
6702 | u=1; |
6703 | uu=1; |
6704 | } |
6705 | } |
6706 | } |
6707 | else |
6708 | { |
6709 | // Internal branch, flag target |
6710 | bt[(ba[i]-start)>>2]=1; |
6711 | if(ba[i]<=start+i*4) { |
6712 | // Backward branch |
6713 | if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000) |
6714 | { |
6715 | // Unconditional branch |
6716 | temp_u=1;temp_uu=1; |
6717 | } else { |
6718 | // Conditional branch (not taken case) |
6719 | temp_u=unneeded_reg[i+2]; |
6720 | temp_uu=unneeded_reg_upper[i+2]; |
6721 | } |
6722 | // Merge in delay slot |
6723 | tdep=(~temp_uu>>rt1[i+1])&1; |
6724 | temp_u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6725 | temp_uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6726 | temp_u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6727 | temp_uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6728 | temp_uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1])); |
6729 | temp_u|=1;temp_uu|=1; |
6730 | // If branch is "likely" (and conditional) |
6731 | // then we skip the delay slot on the fall-thru path |
6732 | if(likely[i]) { |
6733 | if(i<slen-1) { |
6734 | temp_u&=unneeded_reg[i+2]; |
6735 | temp_uu&=unneeded_reg_upper[i+2]; |
6736 | } |
6737 | else |
6738 | { |
6739 | temp_u=1; |
6740 | temp_uu=1; |
6741 | } |
6742 | } |
6743 | tdep=(~temp_uu>>rt1[i])&1; |
6744 | temp_u|=(1LL<<rt1[i])|(1LL<<rt2[i]); |
6745 | temp_uu|=(1LL<<rt1[i])|(1LL<<rt2[i]); |
6746 | temp_u&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
6747 | temp_uu&=~((1LL<<us1[i])|(1LL<<us2[i])); |
6748 | temp_uu&=~((tdep<<dep1[i])|(tdep<<dep2[i])); |
6749 | temp_u|=1;temp_uu|=1; |
6750 | unneeded_reg[i]=temp_u; |
6751 | unneeded_reg_upper[i]=temp_uu; |
6752 | // Only go three levels deep. This recursion can take an |
6753 | // excessive amount of time if there are a lot of nested loops. |
6754 | if(r<2) { |
6755 | unneeded_registers((ba[i]-start)>>2,i-1,r+1); |
6756 | }else{ |
6757 | unneeded_reg[(ba[i]-start)>>2]=1; |
6758 | unneeded_reg_upper[(ba[i]-start)>>2]=1; |
6759 | } |
6760 | } /*else*/ if(1) { |
6761 | if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000) |
6762 | { |
6763 | // Unconditional branch |
6764 | u=unneeded_reg[(ba[i]-start)>>2]; |
6765 | uu=unneeded_reg_upper[(ba[i]-start)>>2]; |
6766 | branch_unneeded_reg[i]=u; |
6767 | branch_unneeded_reg_upper[i]=uu; |
6768 | //u=1; |
6769 | //uu=1; |
6770 | //branch_unneeded_reg[i]=u; |
6771 | //branch_unneeded_reg_upper[i]=uu; |
6772 | // Merge in delay slot |
6773 | tdep=(~uu>>rt1[i+1])&1; |
6774 | u|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6775 | uu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6776 | u&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6777 | uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6778 | uu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1])); |
6779 | u|=1;uu|=1; |
6780 | } else { |
6781 | // Conditional branch |
6782 | b=unneeded_reg[(ba[i]-start)>>2]; |
6783 | bu=unneeded_reg_upper[(ba[i]-start)>>2]; |
6784 | branch_unneeded_reg[i]=b; |
6785 | branch_unneeded_reg_upper[i]=bu; |
6786 | //b=1; |
6787 | //bu=1; |
6788 | //branch_unneeded_reg[i]=b; |
6789 | //branch_unneeded_reg_upper[i]=bu; |
6790 | // Branch delay slot |
6791 | tdep=(~uu>>rt1[i+1])&1; |
6792 | b|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6793 | bu|=(1LL<<rt1[i+1])|(1LL<<rt2[i+1]); |
6794 | b&=~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
6795 | bu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
6796 | bu&=~((tdep<<dep1[i+1])|(tdep<<dep2[i+1])); |
6797 | b|=1;bu|=1; |
6798 | // If branch is "likely" then we skip the |
6799 | // delay slot on the fall-thru path |
6800 | if(likely[i]) { |
6801 | u=b; |
6802 | uu=bu; |
6803 | if(i<slen-1) { |
6804 | u&=unneeded_reg[i+2]; |
6805 | uu&=unneeded_reg_upper[i+2]; |
6806 | //u=1; |
6807 | //uu=1; |
6808 | } |
6809 | } else { |
6810 | u&=b; |
6811 | uu&=bu; |
6812 | //u=1; |
6813 | //uu=1; |
6814 | } |
6815 | if(i<slen-1) { |
6816 | branch_unneeded_reg[i]&=unneeded_reg[i+2]; |
6817 | branch_unneeded_reg_upper[i]&=unneeded_reg_upper[i+2]; |
6818 | //branch_unneeded_reg[i]=1; |
6819 | //branch_unneeded_reg_upper[i]=1; |
6820 | } else { |
6821 | branch_unneeded_reg[i]=1; |
6822 | branch_unneeded_reg_upper[i]=1; |
6823 | } |
6824 | } |
6825 | } |
6826 | } |
6827 | } |
1e973cb0 |
6828 | else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL) |
57871462 |
6829 | { |
6830 | // SYSCALL instruction (software interrupt) |
6831 | u=1; |
6832 | uu=1; |
6833 | } |
6834 | else if(itype[i]==COP0 && (source[i]&0x3f)==0x18) |
6835 | { |
6836 | // ERET instruction (return from interrupt) |
6837 | u=1; |
6838 | uu=1; |
6839 | } |
6840 | //u=uu=1; // DEBUG |
6841 | tdep=(~uu>>rt1[i])&1; |
6842 | // Written registers are unneeded |
6843 | u|=1LL<<rt1[i]; |
6844 | u|=1LL<<rt2[i]; |
6845 | uu|=1LL<<rt1[i]; |
6846 | uu|=1LL<<rt2[i]; |
6847 | // Accessed registers are needed |
6848 | u&=~(1LL<<rs1[i]); |
6849 | u&=~(1LL<<rs2[i]); |
6850 | uu&=~(1LL<<us1[i]); |
6851 | uu&=~(1LL<<us2[i]); |
6852 | // Source-target dependencies |
6853 | uu&=~(tdep<<dep1[i]); |
6854 | uu&=~(tdep<<dep2[i]); |
6855 | // R0 is always unneeded |
6856 | u|=1;uu|=1; |
6857 | // Save it |
6858 | unneeded_reg[i]=u; |
6859 | unneeded_reg_upper[i]=uu; |
6860 | /* |
6861 | printf("ur (%d,%d) %x: ",istart,iend,start+i*4); |
6862 | printf("U:"); |
6863 | int r; |
6864 | for(r=1;r<=CCREG;r++) { |
6865 | if((unneeded_reg[i]>>r)&1) { |
6866 | if(r==HIREG) printf(" HI"); |
6867 | else if(r==LOREG) printf(" LO"); |
6868 | else printf(" r%d",r); |
6869 | } |
6870 | } |
6871 | printf(" UU:"); |
6872 | for(r=1;r<=CCREG;r++) { |
6873 | if(((unneeded_reg_upper[i]&~unneeded_reg[i])>>r)&1) { |
6874 | if(r==HIREG) printf(" HI"); |
6875 | else if(r==LOREG) printf(" LO"); |
6876 | else printf(" r%d",r); |
6877 | } |
6878 | } |
6879 | printf("\n");*/ |
6880 | } |
252c20fc |
6881 | #ifdef FORCE32 |
6882 | for (i=iend;i>=istart;i--) |
6883 | { |
6884 | unneeded_reg_upper[i]=branch_unneeded_reg_upper[i]=-1LL; |
6885 | } |
6886 | #endif |
57871462 |
6887 | } |
6888 | |
6889 | // Identify registers which are likely to contain 32-bit values |
6890 | // This is used to predict whether any branches will jump to a |
6891 | // location with 64-bit values in registers. |
6892 | static void provisional_32bit() |
6893 | { |
6894 | int i,j; |
6895 | uint64_t is32=1; |
6896 | uint64_t lastbranch=1; |
6897 | |
6898 | for(i=0;i<slen;i++) |
6899 | { |
6900 | if(i>0) { |
6901 | if(itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP) { |
6902 | if(i>1) is32=lastbranch; |
6903 | else is32=1; |
6904 | } |
6905 | } |
6906 | if(i>1) |
6907 | { |
6908 | if(itype[i-2]==CJUMP||itype[i-2]==SJUMP||itype[i-2]==FJUMP) { |
6909 | if(likely[i-2]) { |
6910 | if(i>2) is32=lastbranch; |
6911 | else is32=1; |
6912 | } |
6913 | } |
6914 | if((opcode[i-2]&0x2f)==0x05) // BNE/BNEL |
6915 | { |
6916 | if(rs1[i-2]==0||rs2[i-2]==0) |
6917 | { |
6918 | if(rs1[i-2]) { |
6919 | is32|=1LL<<rs1[i-2]; |
6920 | } |
6921 | if(rs2[i-2]) { |
6922 | is32|=1LL<<rs2[i-2]; |
6923 | } |
6924 | } |
6925 | } |
6926 | } |
6927 | // If something jumps here with 64-bit values |
6928 | // then promote those registers to 64 bits |
6929 | if(bt[i]) |
6930 | { |
6931 | uint64_t temp_is32=is32; |
6932 | for(j=i-1;j>=0;j--) |
6933 | { |
6934 | if(ba[j]==start+i*4) |
6935 | //temp_is32&=branch_regs[j].is32; |
6936 | temp_is32&=p32[j]; |
6937 | } |
6938 | for(j=i;j<slen;j++) |
6939 | { |
6940 | if(ba[j]==start+i*4) |
6941 | temp_is32=1; |
6942 | } |
6943 | is32=temp_is32; |
6944 | } |
6945 | int type=itype[i]; |
6946 | int op=opcode[i]; |
6947 | int op2=opcode2[i]; |
6948 | int rt=rt1[i]; |
6949 | int s1=rs1[i]; |
6950 | int s2=rs2[i]; |
6951 | if(type==UJUMP||type==RJUMP||type==CJUMP||type==SJUMP||type==FJUMP) { |
6952 | // Branches don't write registers, consider the delay slot instead. |
6953 | type=itype[i+1]; |
6954 | op=opcode[i+1]; |
6955 | op2=opcode2[i+1]; |
6956 | rt=rt1[i+1]; |
6957 | s1=rs1[i+1]; |
6958 | s2=rs2[i+1]; |
6959 | lastbranch=is32; |
6960 | } |
6961 | switch(type) { |
6962 | case LOAD: |
6963 | if(opcode[i]==0x27||opcode[i]==0x37|| // LWU/LD |
6964 | opcode[i]==0x1A||opcode[i]==0x1B) // LDL/LDR |
6965 | is32&=~(1LL<<rt); |
6966 | else |
6967 | is32|=1LL<<rt; |
6968 | break; |
6969 | case STORE: |
6970 | case STORELR: |
6971 | break; |
6972 | case LOADLR: |
6973 | if(op==0x1a||op==0x1b) is32&=~(1LL<<rt); // LDR/LDL |
6974 | if(op==0x22) is32|=1LL<<rt; // LWL |
6975 | break; |
6976 | case IMM16: |
6977 | if (op==0x08||op==0x09|| // ADDI/ADDIU |
6978 | op==0x0a||op==0x0b|| // SLTI/SLTIU |
6979 | op==0x0c|| // ANDI |
6980 | op==0x0f) // LUI |
6981 | { |
6982 | is32|=1LL<<rt; |
6983 | } |
6984 | if(op==0x18||op==0x19) { // DADDI/DADDIU |
6985 | is32&=~(1LL<<rt); |
6986 | //if(imm[i]==0) |
6987 | // is32|=((is32>>s1)&1LL)<<rt; |
6988 | } |
6989 | if(op==0x0d||op==0x0e) { // ORI/XORI |
6990 | uint64_t sr=((is32>>s1)&1LL); |
6991 | is32&=~(1LL<<rt); |
6992 | is32|=sr<<rt; |
6993 | } |
6994 | break; |
6995 | case UJUMP: |
6996 | break; |
6997 | case RJUMP: |
6998 | break; |
6999 | case CJUMP: |
7000 | break; |
7001 | case SJUMP: |
7002 | break; |
7003 | case FJUMP: |
7004 | break; |
7005 | case ALU: |
7006 | if(op2>=0x20&&op2<=0x23) { // ADD/ADDU/SUB/SUBU |
7007 | is32|=1LL<<rt; |
7008 | } |
7009 | if(op2==0x2a||op2==0x2b) { // SLT/SLTU |
7010 | is32|=1LL<<rt; |
7011 | } |
7012 | else if(op2>=0x24&&op2<=0x27) { // AND/OR/XOR/NOR |
7013 | uint64_t sr=((is32>>s1)&(is32>>s2)&1LL); |
7014 | is32&=~(1LL<<rt); |
7015 | is32|=sr<<rt; |
7016 | } |
7017 | else if(op2>=0x2c&&op2<=0x2d) { // DADD/DADDU |
7018 | if(s1==0&&s2==0) { |
7019 | is32|=1LL<<rt; |
7020 | } |
7021 | else if(s2==0) { |
7022 | uint64_t sr=((is32>>s1)&1LL); |
7023 | is32&=~(1LL<<rt); |
7024 | is32|=sr<<rt; |
7025 | } |
7026 | else if(s1==0) { |
7027 | uint64_t sr=((is32>>s2)&1LL); |
7028 | is32&=~(1LL<<rt); |
7029 | is32|=sr<<rt; |
7030 | } |
7031 | else { |
7032 | is32&=~(1LL<<rt); |
7033 | } |
7034 | } |
7035 | else if(op2>=0x2e&&op2<=0x2f) { // DSUB/DSUBU |
7036 | if(s1==0&&s2==0) { |
7037 | is32|=1LL<<rt; |
7038 | } |
7039 | else if(s2==0) { |
7040 | uint64_t sr=((is32>>s1)&1LL); |
7041 | is32&=~(1LL<<rt); |
7042 | is32|=sr<<rt; |
7043 | } |
7044 | else { |
7045 | is32&=~(1LL<<rt); |
7046 | } |
7047 | } |
7048 | break; |
7049 | case MULTDIV: |
7050 | if (op2>=0x1c&&op2<=0x1f) { // DMULT/DMULTU/DDIV/DDIVU |
7051 | is32&=~((1LL<<HIREG)|(1LL<<LOREG)); |
7052 | } |
7053 | else { |
7054 | is32|=(1LL<<HIREG)|(1LL<<LOREG); |
7055 | } |
7056 | break; |
7057 | case MOV: |
7058 | { |
7059 | uint64_t sr=((is32>>s1)&1LL); |
7060 | is32&=~(1LL<<rt); |
7061 | is32|=sr<<rt; |
7062 | } |
7063 | break; |
7064 | case SHIFT: |
7065 | if(op2>=0x14&&op2<=0x17) is32&=~(1LL<<rt); // DSLLV/DSRLV/DSRAV |
7066 | else is32|=1LL<<rt; // SLLV/SRLV/SRAV |
7067 | break; |
7068 | case SHIFTIMM: |
7069 | is32|=1LL<<rt; |
7070 | // DSLL/DSRL/DSRA/DSLL32/DSRL32 but not DSRA32 have 64-bit result |
7071 | if(op2>=0x38&&op2<0x3f) is32&=~(1LL<<rt); |
7072 | break; |
7073 | case COP0: |
7074 | if(op2==0) is32|=1LL<<rt; // MFC0 |
7075 | break; |
7076 | case COP1: |
b9b61529 |
7077 | case COP2: |
57871462 |
7078 | if(op2==0) is32|=1LL<<rt; // MFC1 |
7079 | if(op2==1) is32&=~(1LL<<rt); // DMFC1 |
7080 | if(op2==2) is32|=1LL<<rt; // CFC1 |
7081 | break; |
7082 | case C1LS: |
b9b61529 |
7083 | case C2LS: |
57871462 |
7084 | break; |
7085 | case FLOAT: |
7086 | case FCONV: |
7087 | break; |
7088 | case FCOMP: |
7089 | break; |
b9b61529 |
7090 | case C2OP: |
57871462 |
7091 | case SYSCALL: |
7139f3c8 |
7092 | case HLECALL: |
57871462 |
7093 | break; |
7094 | default: |
7095 | break; |
7096 | } |
7097 | is32|=1; |
7098 | p32[i]=is32; |
7099 | |
7100 | if(i>0) |
7101 | { |
7102 | if(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000) |
7103 | { |
7104 | if(rt1[i-1]==31) // JAL/JALR |
7105 | { |
7106 | // Subroutine call will return here, don't alloc any registers |
7107 | is32=1; |
7108 | } |
7109 | else if(i+1<slen) |
7110 | { |
7111 | // Internal branch will jump here, match registers to caller |
7112 | is32=0x3FFFFFFFFLL; |
7113 | } |
7114 | } |
7115 | } |
7116 | } |
7117 | } |
7118 | |
7119 | // Identify registers which may be assumed to contain 32-bit values |
7120 | // and where optimizations will rely on this. |
7121 | // This is used to determine whether backward branches can safely |
7122 | // jump to a location with 64-bit values in registers. |
7123 | static void provisional_r32() |
7124 | { |
7125 | u_int r32=0; |
7126 | int i; |
7127 | |
7128 | for (i=slen-1;i>=0;i--) |
7129 | { |
7130 | int hr; |
7131 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
7132 | { |
7133 | if(ba[i]<start || ba[i]>=(start+slen*4)) |
7134 | { |
7135 | // Branch out of this block, don't need anything |
7136 | r32=0; |
7137 | } |
7138 | else |
7139 | { |
7140 | // Internal branch |
7141 | // Need whatever matches the target |
7142 | // (and doesn't get overwritten by the delay slot instruction) |
7143 | r32=0; |
7144 | int t=(ba[i]-start)>>2; |
7145 | if(ba[i]>start+i*4) { |
7146 | // Forward branch |
7147 | //if(!(requires_32bit[t]&~regs[i].was32)) |
7148 | // r32|=requires_32bit[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
7149 | if(!(pr32[t]&~regs[i].was32)) |
7150 | r32|=pr32[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
7151 | }else{ |
7152 | // Backward branch |
7153 | if(!(regs[t].was32&~unneeded_reg_upper[t]&~regs[i].was32)) |
7154 | r32|=regs[t].was32&~unneeded_reg_upper[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
7155 | } |
7156 | } |
7157 | // Conditional branch may need registers for following instructions |
7158 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) |
7159 | { |
7160 | if(i<slen-2) { |
7161 | //r32|=requires_32bit[i+2]; |
7162 | r32|=pr32[i+2]; |
7163 | r32&=regs[i].was32; |
7164 | // Mark this address as a branch target since it may be called |
7165 | // upon return from interrupt |
7166 | //bt[i+2]=1; |
7167 | } |
7168 | } |
7169 | // Merge in delay slot |
7170 | if(!likely[i]) { |
7171 | // These are overwritten unless the branch is "likely" |
7172 | // and the delay slot is nullified if not taken |
7173 | r32&=~(1LL<<rt1[i+1]); |
7174 | r32&=~(1LL<<rt2[i+1]); |
7175 | } |
7176 | // Assume these are needed (delay slot) |
7177 | if(us1[i+1]>0) |
7178 | { |
7179 | if((regs[i].was32>>us1[i+1])&1) r32|=1LL<<us1[i+1]; |
7180 | } |
7181 | if(us2[i+1]>0) |
7182 | { |
7183 | if((regs[i].was32>>us2[i+1])&1) r32|=1LL<<us2[i+1]; |
7184 | } |
7185 | if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1)) |
7186 | { |
7187 | if((regs[i].was32>>dep1[i+1])&1) r32|=1LL<<dep1[i+1]; |
7188 | } |
7189 | if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1)) |
7190 | { |
7191 | if((regs[i].was32>>dep2[i+1])&1) r32|=1LL<<dep2[i+1]; |
7192 | } |
7193 | } |
1e973cb0 |
7194 | else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL) |
57871462 |
7195 | { |
7196 | // SYSCALL instruction (software interrupt) |
7197 | r32=0; |
7198 | } |
7199 | else if(itype[i]==COP0 && (source[i]&0x3f)==0x18) |
7200 | { |
7201 | // ERET instruction (return from interrupt) |
7202 | r32=0; |
7203 | } |
7204 | // Check 32 bits |
7205 | r32&=~(1LL<<rt1[i]); |
7206 | r32&=~(1LL<<rt2[i]); |
7207 | if(us1[i]>0) |
7208 | { |
7209 | if((regs[i].was32>>us1[i])&1) r32|=1LL<<us1[i]; |
7210 | } |
7211 | if(us2[i]>0) |
7212 | { |
7213 | if((regs[i].was32>>us2[i])&1) r32|=1LL<<us2[i]; |
7214 | } |
7215 | if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1)) |
7216 | { |
7217 | if((regs[i].was32>>dep1[i])&1) r32|=1LL<<dep1[i]; |
7218 | } |
7219 | if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1)) |
7220 | { |
7221 | if((regs[i].was32>>dep2[i])&1) r32|=1LL<<dep2[i]; |
7222 | } |
7223 | //requires_32bit[i]=r32; |
7224 | pr32[i]=r32; |
7225 | |
7226 | // Dirty registers which are 32-bit, require 32-bit input |
7227 | // as they will be written as 32-bit values |
7228 | for(hr=0;hr<HOST_REGS;hr++) |
7229 | { |
7230 | if(regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64) { |
7231 | if((regs[i].was32>>regs[i].regmap_entry[hr])&(regs[i].wasdirty>>hr)&1) { |
7232 | if(!((unneeded_reg_upper[i]>>regs[i].regmap_entry[hr])&1)) |
7233 | pr32[i]|=1LL<<regs[i].regmap_entry[hr]; |
7234 | //requires_32bit[i]|=1LL<<regs[i].regmap_entry[hr]; |
7235 | } |
7236 | } |
7237 | } |
7238 | } |
7239 | } |
7240 | |
7241 | // Write back dirty registers as soon as we will no longer modify them, |
7242 | // so that we don't end up with lots of writes at the branches. |
7243 | void clean_registers(int istart,int iend,int wr) |
7244 | { |
7245 | int i; |
7246 | int r; |
7247 | u_int will_dirty_i,will_dirty_next,temp_will_dirty; |
7248 | u_int wont_dirty_i,wont_dirty_next,temp_wont_dirty; |
7249 | if(iend==slen-1) { |
7250 | will_dirty_i=will_dirty_next=0; |
7251 | wont_dirty_i=wont_dirty_next=0; |
7252 | }else{ |
7253 | will_dirty_i=will_dirty_next=will_dirty[iend+1]; |
7254 | wont_dirty_i=wont_dirty_next=wont_dirty[iend+1]; |
7255 | } |
7256 | for (i=iend;i>=istart;i--) |
7257 | { |
7258 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
7259 | { |
7260 | if(ba[i]<start || ba[i]>=(start+slen*4)) |
7261 | { |
7262 | // Branch out of this block, flush all regs |
7263 | if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000) |
7264 | { |
7265 | // Unconditional branch |
7266 | will_dirty_i=0; |
7267 | wont_dirty_i=0; |
7268 | // Merge in delay slot (will dirty) |
7269 | for(r=0;r<HOST_REGS;r++) { |
7270 | if(r!=EXCLUDE_REG) { |
7271 | if((branch_regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7272 | if((branch_regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7273 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7274 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7275 | if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7276 | if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7277 | if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7278 | if((regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7279 | if((regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7280 | if((regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7281 | if((regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7282 | if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7283 | if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7284 | if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7285 | } |
7286 | } |
7287 | } |
7288 | else |
7289 | { |
7290 | // Conditional branch |
7291 | will_dirty_i=0; |
7292 | wont_dirty_i=wont_dirty_next; |
7293 | // Merge in delay slot (will dirty) |
7294 | for(r=0;r<HOST_REGS;r++) { |
7295 | if(r!=EXCLUDE_REG) { |
7296 | if(!likely[i]) { |
7297 | // Might not dirty if likely branch is not taken |
7298 | if((branch_regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7299 | if((branch_regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7300 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7301 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7302 | if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7303 | if(branch_regs[i].regmap[r]==0) will_dirty_i&=~(1<<r); |
7304 | if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7305 | //if((regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7306 | //if((regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7307 | if((regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7308 | if((regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7309 | if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7310 | if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7311 | if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7312 | } |
7313 | } |
7314 | } |
7315 | } |
7316 | // Merge in delay slot (wont dirty) |
7317 | for(r=0;r<HOST_REGS;r++) { |
7318 | if(r!=EXCLUDE_REG) { |
7319 | if((regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r; |
7320 | if((regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r; |
7321 | if((regs[i].regmap[r]&63)==rt1[i+1]) wont_dirty_i|=1<<r; |
7322 | if((regs[i].regmap[r]&63)==rt2[i+1]) wont_dirty_i|=1<<r; |
7323 | if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r; |
7324 | if((branch_regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r; |
7325 | if((branch_regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r; |
7326 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) wont_dirty_i|=1<<r; |
7327 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) wont_dirty_i|=1<<r; |
7328 | if(branch_regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r; |
7329 | } |
7330 | } |
7331 | if(wr) { |
7332 | #ifndef DESTRUCTIVE_WRITEBACK |
7333 | branch_regs[i].dirty&=wont_dirty_i; |
7334 | #endif |
7335 | branch_regs[i].dirty|=will_dirty_i; |
7336 | } |
7337 | } |
7338 | else |
7339 | { |
7340 | // Internal branch |
7341 | if(ba[i]<=start+i*4) { |
7342 | // Backward branch |
7343 | if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000) |
7344 | { |
7345 | // Unconditional branch |
7346 | temp_will_dirty=0; |
7347 | temp_wont_dirty=0; |
7348 | // Merge in delay slot (will dirty) |
7349 | for(r=0;r<HOST_REGS;r++) { |
7350 | if(r!=EXCLUDE_REG) { |
7351 | if((branch_regs[i].regmap[r]&63)==rt1[i]) temp_will_dirty|=1<<r; |
7352 | if((branch_regs[i].regmap[r]&63)==rt2[i]) temp_will_dirty|=1<<r; |
7353 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) temp_will_dirty|=1<<r; |
7354 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) temp_will_dirty|=1<<r; |
7355 | if((branch_regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r); |
7356 | if(branch_regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r); |
7357 | if(branch_regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r; |
7358 | if((regs[i].regmap[r]&63)==rt1[i]) temp_will_dirty|=1<<r; |
7359 | if((regs[i].regmap[r]&63)==rt2[i]) temp_will_dirty|=1<<r; |
7360 | if((regs[i].regmap[r]&63)==rt1[i+1]) temp_will_dirty|=1<<r; |
7361 | if((regs[i].regmap[r]&63)==rt2[i+1]) temp_will_dirty|=1<<r; |
7362 | if((regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r); |
7363 | if(regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r); |
7364 | if(regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r; |
7365 | } |
7366 | } |
7367 | } else { |
7368 | // Conditional branch (not taken case) |
7369 | temp_will_dirty=will_dirty_next; |
7370 | temp_wont_dirty=wont_dirty_next; |
7371 | // Merge in delay slot (will dirty) |
7372 | for(r=0;r<HOST_REGS;r++) { |
7373 | if(r!=EXCLUDE_REG) { |
7374 | if(!likely[i]) { |
7375 | // Will not dirty if likely branch is not taken |
7376 | if((branch_regs[i].regmap[r]&63)==rt1[i]) temp_will_dirty|=1<<r; |
7377 | if((branch_regs[i].regmap[r]&63)==rt2[i]) temp_will_dirty|=1<<r; |
7378 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) temp_will_dirty|=1<<r; |
7379 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) temp_will_dirty|=1<<r; |
7380 | if((branch_regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r); |
7381 | if(branch_regs[i].regmap[r]==0) temp_will_dirty&=~(1<<r); |
7382 | if(branch_regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r; |
7383 | //if((regs[i].regmap[r]&63)==rt1[i]) temp_will_dirty|=1<<r; |
7384 | //if((regs[i].regmap[r]&63)==rt2[i]) temp_will_dirty|=1<<r; |
7385 | if((regs[i].regmap[r]&63)==rt1[i+1]) temp_will_dirty|=1<<r; |
7386 | if((regs[i].regmap[r]&63)==rt2[i+1]) temp_will_dirty|=1<<r; |
7387 | if((regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r); |
7388 | if(regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r); |
7389 | if(regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r; |
7390 | } |
7391 | } |
7392 | } |
7393 | } |
7394 | // Merge in delay slot (wont dirty) |
7395 | for(r=0;r<HOST_REGS;r++) { |
7396 | if(r!=EXCLUDE_REG) { |
7397 | if((regs[i].regmap[r]&63)==rt1[i]) temp_wont_dirty|=1<<r; |
7398 | if((regs[i].regmap[r]&63)==rt2[i]) temp_wont_dirty|=1<<r; |
7399 | if((regs[i].regmap[r]&63)==rt1[i+1]) temp_wont_dirty|=1<<r; |
7400 | if((regs[i].regmap[r]&63)==rt2[i+1]) temp_wont_dirty|=1<<r; |
7401 | if(regs[i].regmap[r]==CCREG) temp_wont_dirty|=1<<r; |
7402 | if((branch_regs[i].regmap[r]&63)==rt1[i]) temp_wont_dirty|=1<<r; |
7403 | if((branch_regs[i].regmap[r]&63)==rt2[i]) temp_wont_dirty|=1<<r; |
7404 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) temp_wont_dirty|=1<<r; |
7405 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) temp_wont_dirty|=1<<r; |
7406 | if(branch_regs[i].regmap[r]==CCREG) temp_wont_dirty|=1<<r; |
7407 | } |
7408 | } |
7409 | // Deal with changed mappings |
7410 | if(i<iend) { |
7411 | for(r=0;r<HOST_REGS;r++) { |
7412 | if(r!=EXCLUDE_REG) { |
7413 | if(regs[i].regmap[r]!=regmap_pre[i][r]) { |
7414 | temp_will_dirty&=~(1<<r); |
7415 | temp_wont_dirty&=~(1<<r); |
7416 | if((regmap_pre[i][r]&63)>0 && (regmap_pre[i][r]&63)<34) { |
7417 | temp_will_dirty|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r; |
7418 | temp_wont_dirty|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r; |
7419 | } else { |
7420 | temp_will_dirty|=1<<r; |
7421 | temp_wont_dirty|=1<<r; |
7422 | } |
7423 | } |
7424 | } |
7425 | } |
7426 | } |
7427 | if(wr) { |
7428 | will_dirty[i]=temp_will_dirty; |
7429 | wont_dirty[i]=temp_wont_dirty; |
7430 | clean_registers((ba[i]-start)>>2,i-1,0); |
7431 | }else{ |
7432 | // Limit recursion. It can take an excessive amount |
7433 | // of time if there are a lot of nested loops. |
7434 | will_dirty[(ba[i]-start)>>2]=0; |
7435 | wont_dirty[(ba[i]-start)>>2]=-1; |
7436 | } |
7437 | } |
7438 | /*else*/ if(1) |
7439 | { |
7440 | if(itype[i]==RJUMP||itype[i]==UJUMP||(source[i]>>16)==0x1000) |
7441 | { |
7442 | // Unconditional branch |
7443 | will_dirty_i=0; |
7444 | wont_dirty_i=0; |
7445 | //if(ba[i]>start+i*4) { // Disable recursion (for debugging) |
7446 | for(r=0;r<HOST_REGS;r++) { |
7447 | if(r!=EXCLUDE_REG) { |
7448 | if(branch_regs[i].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) { |
7449 | will_dirty_i|=will_dirty[(ba[i]-start)>>2]&(1<<r); |
7450 | wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r); |
7451 | } |
e3234ecf |
7452 | if(branch_regs[i].regmap[r]>=0) { |
7453 | will_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r; |
7454 | wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r; |
7455 | } |
57871462 |
7456 | } |
7457 | } |
7458 | //} |
7459 | // Merge in delay slot |
7460 | for(r=0;r<HOST_REGS;r++) { |
7461 | if(r!=EXCLUDE_REG) { |
7462 | if((branch_regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7463 | if((branch_regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7464 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7465 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7466 | if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7467 | if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7468 | if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7469 | if((regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7470 | if((regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7471 | if((regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7472 | if((regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7473 | if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7474 | if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7475 | if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7476 | } |
7477 | } |
7478 | } else { |
7479 | // Conditional branch |
7480 | will_dirty_i=will_dirty_next; |
7481 | wont_dirty_i=wont_dirty_next; |
7482 | //if(ba[i]>start+i*4) { // Disable recursion (for debugging) |
7483 | for(r=0;r<HOST_REGS;r++) { |
7484 | if(r!=EXCLUDE_REG) { |
e3234ecf |
7485 | signed char target_reg=branch_regs[i].regmap[r]; |
7486 | if(target_reg==regs[(ba[i]-start)>>2].regmap_entry[r]) { |
57871462 |
7487 | will_dirty_i&=will_dirty[(ba[i]-start)>>2]&(1<<r); |
7488 | wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r); |
7489 | } |
e3234ecf |
7490 | else if(target_reg>=0) { |
7491 | will_dirty_i&=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r; |
7492 | wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r; |
57871462 |
7493 | } |
7494 | // Treat delay slot as part of branch too |
7495 | /*if(regs[i+1].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) { |
7496 | will_dirty[i+1]&=will_dirty[(ba[i]-start)>>2]&(1<<r); |
7497 | wont_dirty[i+1]|=wont_dirty[(ba[i]-start)>>2]&(1<<r); |
7498 | } |
7499 | else |
7500 | { |
7501 | will_dirty[i+1]&=~(1<<r); |
7502 | }*/ |
7503 | } |
7504 | } |
7505 | //} |
7506 | // Merge in delay slot |
7507 | for(r=0;r<HOST_REGS;r++) { |
7508 | if(r!=EXCLUDE_REG) { |
7509 | if(!likely[i]) { |
7510 | // Might not dirty if likely branch is not taken |
7511 | if((branch_regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7512 | if((branch_regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7513 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7514 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7515 | if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7516 | if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7517 | if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7518 | //if((regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7519 | //if((regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7520 | if((regs[i].regmap[r]&63)==rt1[i+1]) will_dirty_i|=1<<r; |
7521 | if((regs[i].regmap[r]&63)==rt2[i+1]) will_dirty_i|=1<<r; |
7522 | if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7523 | if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7524 | if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7525 | } |
7526 | } |
7527 | } |
7528 | } |
e3234ecf |
7529 | // Merge in delay slot (won't dirty) |
57871462 |
7530 | for(r=0;r<HOST_REGS;r++) { |
7531 | if(r!=EXCLUDE_REG) { |
7532 | if((regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r; |
7533 | if((regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r; |
7534 | if((regs[i].regmap[r]&63)==rt1[i+1]) wont_dirty_i|=1<<r; |
7535 | if((regs[i].regmap[r]&63)==rt2[i+1]) wont_dirty_i|=1<<r; |
7536 | if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r; |
7537 | if((branch_regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r; |
7538 | if((branch_regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r; |
7539 | if((branch_regs[i].regmap[r]&63)==rt1[i+1]) wont_dirty_i|=1<<r; |
7540 | if((branch_regs[i].regmap[r]&63)==rt2[i+1]) wont_dirty_i|=1<<r; |
7541 | if(branch_regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r; |
7542 | } |
7543 | } |
7544 | if(wr) { |
7545 | #ifndef DESTRUCTIVE_WRITEBACK |
7546 | branch_regs[i].dirty&=wont_dirty_i; |
7547 | #endif |
7548 | branch_regs[i].dirty|=will_dirty_i; |
7549 | } |
7550 | } |
7551 | } |
7552 | } |
1e973cb0 |
7553 | else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL) |
57871462 |
7554 | { |
7555 | // SYSCALL instruction (software interrupt) |
7556 | will_dirty_i=0; |
7557 | wont_dirty_i=0; |
7558 | } |
7559 | else if(itype[i]==COP0 && (source[i]&0x3f)==0x18) |
7560 | { |
7561 | // ERET instruction (return from interrupt) |
7562 | will_dirty_i=0; |
7563 | wont_dirty_i=0; |
7564 | } |
7565 | will_dirty_next=will_dirty_i; |
7566 | wont_dirty_next=wont_dirty_i; |
7567 | for(r=0;r<HOST_REGS;r++) { |
7568 | if(r!=EXCLUDE_REG) { |
7569 | if((regs[i].regmap[r]&63)==rt1[i]) will_dirty_i|=1<<r; |
7570 | if((regs[i].regmap[r]&63)==rt2[i]) will_dirty_i|=1<<r; |
7571 | if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r); |
7572 | if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r); |
7573 | if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r; |
7574 | if((regs[i].regmap[r]&63)==rt1[i]) wont_dirty_i|=1<<r; |
7575 | if((regs[i].regmap[r]&63)==rt2[i]) wont_dirty_i|=1<<r; |
7576 | if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r; |
7577 | if(i>istart) { |
7578 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=FJUMP) |
7579 | { |
7580 | // Don't store a register immediately after writing it, |
7581 | // may prevent dual-issue. |
7582 | if((regs[i].regmap[r]&63)==rt1[i-1]) wont_dirty_i|=1<<r; |
7583 | if((regs[i].regmap[r]&63)==rt2[i-1]) wont_dirty_i|=1<<r; |
7584 | } |
7585 | } |
7586 | } |
7587 | } |
7588 | // Save it |
7589 | will_dirty[i]=will_dirty_i; |
7590 | wont_dirty[i]=wont_dirty_i; |
7591 | // Mark registers that won't be dirtied as not dirty |
7592 | if(wr) { |
7593 | /*printf("wr (%d,%d) %x will:",istart,iend,start+i*4); |
7594 | for(r=0;r<HOST_REGS;r++) { |
7595 | if((will_dirty_i>>r)&1) { |
7596 | printf(" r%d",r); |
7597 | } |
7598 | } |
7599 | printf("\n");*/ |
7600 | |
7601 | //if(i==istart||(itype[i-1]!=RJUMP&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=FJUMP)) { |
7602 | regs[i].dirty|=will_dirty_i; |
7603 | #ifndef DESTRUCTIVE_WRITEBACK |
7604 | regs[i].dirty&=wont_dirty_i; |
7605 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
7606 | { |
7607 | if(i<iend-1&&itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) { |
7608 | for(r=0;r<HOST_REGS;r++) { |
7609 | if(r!=EXCLUDE_REG) { |
7610 | if(regs[i].regmap[r]==regmap_pre[i+2][r]) { |
7611 | regs[i+2].wasdirty&=wont_dirty_i|~(1<<r); |
7612 | }else {/*printf("i: %x (%d) mismatch(+2): %d\n",start+i*4,i,r);/*assert(!((wont_dirty_i>>r)&1));*/} |
7613 | } |
7614 | } |
7615 | } |
7616 | } |
7617 | else |
7618 | { |
7619 | if(i<iend) { |
7620 | for(r=0;r<HOST_REGS;r++) { |
7621 | if(r!=EXCLUDE_REG) { |
7622 | if(regs[i].regmap[r]==regmap_pre[i+1][r]) { |
7623 | regs[i+1].wasdirty&=wont_dirty_i|~(1<<r); |
7624 | }else {/*printf("i: %x (%d) mismatch(+1): %d\n",start+i*4,i,r);/*assert(!((wont_dirty_i>>r)&1));*/} |
7625 | } |
7626 | } |
7627 | } |
7628 | } |
7629 | #endif |
7630 | //} |
7631 | } |
7632 | // Deal with changed mappings |
7633 | temp_will_dirty=will_dirty_i; |
7634 | temp_wont_dirty=wont_dirty_i; |
7635 | for(r=0;r<HOST_REGS;r++) { |
7636 | if(r!=EXCLUDE_REG) { |
7637 | int nr; |
7638 | if(regs[i].regmap[r]==regmap_pre[i][r]) { |
7639 | if(wr) { |
7640 | #ifndef DESTRUCTIVE_WRITEBACK |
7641 | regs[i].wasdirty&=wont_dirty_i|~(1<<r); |
7642 | #endif |
7643 | regs[i].wasdirty|=will_dirty_i&(1<<r); |
7644 | } |
7645 | } |
f776eb14 |
7646 | else if(regmap_pre[i][r]>=0&&(nr=get_reg(regs[i].regmap,regmap_pre[i][r]))>=0) { |
57871462 |
7647 | // Register moved to a different register |
7648 | will_dirty_i&=~(1<<r); |
7649 | wont_dirty_i&=~(1<<r); |
7650 | will_dirty_i|=((temp_will_dirty>>nr)&1)<<r; |
7651 | wont_dirty_i|=((temp_wont_dirty>>nr)&1)<<r; |
7652 | if(wr) { |
7653 | #ifndef DESTRUCTIVE_WRITEBACK |
7654 | regs[i].wasdirty&=wont_dirty_i|~(1<<r); |
7655 | #endif |
7656 | regs[i].wasdirty|=will_dirty_i&(1<<r); |
7657 | } |
7658 | } |
7659 | else { |
7660 | will_dirty_i&=~(1<<r); |
7661 | wont_dirty_i&=~(1<<r); |
7662 | if((regmap_pre[i][r]&63)>0 && (regmap_pre[i][r]&63)<34) { |
7663 | will_dirty_i|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r; |
7664 | wont_dirty_i|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r; |
7665 | } else { |
7666 | wont_dirty_i|=1<<r; |
7667 | /*printf("i: %x (%d) mismatch: %d\n",start+i*4,i,r);/*assert(!((will_dirty>>r)&1));*/ |
7668 | } |
7669 | } |
7670 | } |
7671 | } |
7672 | } |
7673 | } |
7674 | |
7675 | /* disassembly */ |
7676 | void disassemble_inst(int i) |
7677 | { |
7678 | if (bt[i]) printf("*"); else printf(" "); |
7679 | switch(itype[i]) { |
7680 | case UJUMP: |
7681 | printf (" %x: %s %8x\n",start+i*4,insn[i],ba[i]);break; |
7682 | case CJUMP: |
7683 | printf (" %x: %s r%d,r%d,%8x\n",start+i*4,insn[i],rs1[i],rs2[i],i?start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14):*ba);break; |
7684 | case SJUMP: |
7685 | printf (" %x: %s r%d,%8x\n",start+i*4,insn[i],rs1[i],start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14));break; |
7686 | case FJUMP: |
7687 | printf (" %x: %s %8x\n",start+i*4,insn[i],ba[i]);break; |
7688 | case RJUMP: |
74426039 |
7689 | if (opcode[i]==0x9&&rt1[i]!=31) |
5067f341 |
7690 | printf (" %x: %s r%d,r%d\n",start+i*4,insn[i],rt1[i],rs1[i]); |
7691 | else |
7692 | printf (" %x: %s r%d\n",start+i*4,insn[i],rs1[i]); |
7693 | break; |
57871462 |
7694 | case SPAN: |
7695 | printf (" %x: %s (pagespan) r%d,r%d,%8x\n",start+i*4,insn[i],rs1[i],rs2[i],ba[i]);break; |
7696 | case IMM16: |
7697 | if(opcode[i]==0xf) //LUI |
7698 | printf (" %x: %s r%d,%4x0000\n",start+i*4,insn[i],rt1[i],imm[i]&0xffff); |
7699 | else |
7700 | printf (" %x: %s r%d,r%d,%d\n",start+i*4,insn[i],rt1[i],rs1[i],imm[i]); |
7701 | break; |
7702 | case LOAD: |
7703 | case LOADLR: |
7704 | printf (" %x: %s r%d,r%d+%x\n",start+i*4,insn[i],rt1[i],rs1[i],imm[i]); |
7705 | break; |
7706 | case STORE: |
7707 | case STORELR: |
7708 | printf (" %x: %s r%d,r%d+%x\n",start+i*4,insn[i],rs2[i],rs1[i],imm[i]); |
7709 | break; |
7710 | case ALU: |
7711 | case SHIFT: |
7712 | printf (" %x: %s r%d,r%d,r%d\n",start+i*4,insn[i],rt1[i],rs1[i],rs2[i]); |
7713 | break; |
7714 | case MULTDIV: |
7715 | printf (" %x: %s r%d,r%d\n",start+i*4,insn[i],rs1[i],rs2[i]); |
7716 | break; |
7717 | case SHIFTIMM: |
7718 | printf (" %x: %s r%d,r%d,%d\n",start+i*4,insn[i],rt1[i],rs1[i],imm[i]); |
7719 | break; |
7720 | case MOV: |
7721 | if((opcode2[i]&0x1d)==0x10) |
7722 | printf (" %x: %s r%d\n",start+i*4,insn[i],rt1[i]); |
7723 | else if((opcode2[i]&0x1d)==0x11) |
7724 | printf (" %x: %s r%d\n",start+i*4,insn[i],rs1[i]); |
7725 | else |
7726 | printf (" %x: %s\n",start+i*4,insn[i]); |
7727 | break; |
7728 | case COP0: |
7729 | if(opcode2[i]==0) |
7730 | printf (" %x: %s r%d,cpr0[%d]\n",start+i*4,insn[i],rt1[i],(source[i]>>11)&0x1f); // MFC0 |
7731 | else if(opcode2[i]==4) |
7732 | printf (" %x: %s r%d,cpr0[%d]\n",start+i*4,insn[i],rs1[i],(source[i]>>11)&0x1f); // MTC0 |
7733 | else printf (" %x: %s\n",start+i*4,insn[i]); |
7734 | break; |
7735 | case COP1: |
7736 | if(opcode2[i]<3) |
7737 | printf (" %x: %s r%d,cpr1[%d]\n",start+i*4,insn[i],rt1[i],(source[i]>>11)&0x1f); // MFC1 |
7738 | else if(opcode2[i]>3) |
7739 | printf (" %x: %s r%d,cpr1[%d]\n",start+i*4,insn[i],rs1[i],(source[i]>>11)&0x1f); // MTC1 |
7740 | else printf (" %x: %s\n",start+i*4,insn[i]); |
7741 | break; |
b9b61529 |
7742 | case COP2: |
7743 | if(opcode2[i]<3) |
7744 | printf (" %x: %s r%d,cpr2[%d]\n",start+i*4,insn[i],rt1[i],(source[i]>>11)&0x1f); // MFC2 |
7745 | else if(opcode2[i]>3) |
7746 | printf (" %x: %s r%d,cpr2[%d]\n",start+i*4,insn[i],rs1[i],(source[i]>>11)&0x1f); // MTC2 |
7747 | else printf (" %x: %s\n",start+i*4,insn[i]); |
7748 | break; |
57871462 |
7749 | case C1LS: |
7750 | printf (" %x: %s cpr1[%d],r%d+%x\n",start+i*4,insn[i],(source[i]>>16)&0x1f,rs1[i],imm[i]); |
7751 | break; |
b9b61529 |
7752 | case C2LS: |
7753 | printf (" %x: %s cpr2[%d],r%d+%x\n",start+i*4,insn[i],(source[i]>>16)&0x1f,rs1[i],imm[i]); |
7754 | break; |
1e973cb0 |
7755 | case INTCALL: |
7756 | printf (" %x: %s (INTCALL)\n",start+i*4,insn[i]); |
7757 | break; |
57871462 |
7758 | default: |
7759 | //printf (" %s %8x\n",insn[i],source[i]); |
7760 | printf (" %x: %s\n",start+i*4,insn[i]); |
7761 | } |
7762 | } |
7763 | |
dc990066 |
7764 | // clear the state completely, instead of just marking |
7765 | // things invalid like invalidate_all_pages() does |
7766 | void new_dynarec_clear_full() |
57871462 |
7767 | { |
57871462 |
7768 | int n; |
35775df7 |
7769 | out=(u_char *)BASE_ADDR; |
7770 | memset(invalid_code,1,sizeof(invalid_code)); |
7771 | memset(hash_table,0xff,sizeof(hash_table)); |
57871462 |
7772 | memset(mini_ht,-1,sizeof(mini_ht)); |
7773 | memset(restore_candidate,0,sizeof(restore_candidate)); |
dc990066 |
7774 | memset(shadow,0,sizeof(shadow)); |
57871462 |
7775 | copy=shadow; |
7776 | expirep=16384; // Expiry pointer, +2 blocks |
7777 | pending_exception=0; |
7778 | literalcount=0; |
57871462 |
7779 | stop_after_jal=0; |
7780 | // TLB |
af4ee1fe |
7781 | #ifndef DISABLE_TLB |
57871462 |
7782 | using_tlb=0; |
af4ee1fe |
7783 | #endif |
dadf55f2 |
7784 | sp_in_mirror=0; |
57871462 |
7785 | for(n=0;n<524288;n++) // 0 .. 0x7FFFFFFF |
7786 | memory_map[n]=-1; |
7787 | for(n=524288;n<526336;n++) // 0x80000000 .. 0x807FFFFF |
7788 | memory_map[n]=((u_int)rdram-0x80000000)>>2; |
7789 | for(n=526336;n<1048576;n++) // 0x80800000 .. 0xFFFFFFFF |
7790 | memory_map[n]=-1; |
dc990066 |
7791 | for(n=0;n<4096;n++) ll_clear(jump_in+n); |
7792 | for(n=0;n<4096;n++) ll_clear(jump_out+n); |
7793 | for(n=0;n<4096;n++) ll_clear(jump_dirty+n); |
7794 | } |
7795 | |
7796 | void new_dynarec_init() |
7797 | { |
7798 | printf("Init new dynarec\n"); |
7799 | out=(u_char *)BASE_ADDR; |
7800 | if (mmap (out, 1<<TARGET_SIZE_2, |
7801 | PROT_READ | PROT_WRITE | PROT_EXEC, |
7802 | MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, |
7803 | -1, 0) <= 0) {printf("mmap() failed\n");} |
7804 | #ifdef MUPEN64 |
7805 | rdword=&readmem_dword; |
7806 | fake_pc.f.r.rs=&readmem_dword; |
7807 | fake_pc.f.r.rt=&readmem_dword; |
7808 | fake_pc.f.r.rd=&readmem_dword; |
7809 | #endif |
7810 | int n; |
7811 | new_dynarec_clear_full(); |
7812 | #ifdef HOST_IMM8 |
7813 | // Copy this into local area so we don't have to put it in every literal pool |
7814 | invc_ptr=invalid_code; |
7815 | #endif |
24385cae |
7816 | #ifdef MUPEN64 |
57871462 |
7817 | for(n=0;n<0x8000;n++) { // 0 .. 0x7FFFFFFF |
7818 | writemem[n] = write_nomem_new; |
7819 | writememb[n] = write_nomemb_new; |
7820 | writememh[n] = write_nomemh_new; |
24385cae |
7821 | #ifndef FORCE32 |
57871462 |
7822 | writememd[n] = write_nomemd_new; |
24385cae |
7823 | #endif |
57871462 |
7824 | readmem[n] = read_nomem_new; |
7825 | readmemb[n] = read_nomemb_new; |
7826 | readmemh[n] = read_nomemh_new; |
24385cae |
7827 | #ifndef FORCE32 |
57871462 |
7828 | readmemd[n] = read_nomemd_new; |
24385cae |
7829 | #endif |
57871462 |
7830 | } |
7831 | for(n=0x8000;n<0x8080;n++) { // 0x80000000 .. 0x807FFFFF |
7832 | writemem[n] = write_rdram_new; |
7833 | writememb[n] = write_rdramb_new; |
7834 | writememh[n] = write_rdramh_new; |
24385cae |
7835 | #ifndef FORCE32 |
57871462 |
7836 | writememd[n] = write_rdramd_new; |
24385cae |
7837 | #endif |
57871462 |
7838 | } |
7839 | for(n=0xC000;n<0x10000;n++) { // 0xC0000000 .. 0xFFFFFFFF |
7840 | writemem[n] = write_nomem_new; |
7841 | writememb[n] = write_nomemb_new; |
7842 | writememh[n] = write_nomemh_new; |
24385cae |
7843 | #ifndef FORCE32 |
57871462 |
7844 | writememd[n] = write_nomemd_new; |
24385cae |
7845 | #endif |
57871462 |
7846 | readmem[n] = read_nomem_new; |
7847 | readmemb[n] = read_nomemb_new; |
7848 | readmemh[n] = read_nomemh_new; |
24385cae |
7849 | #ifndef FORCE32 |
57871462 |
7850 | readmemd[n] = read_nomemd_new; |
24385cae |
7851 | #endif |
57871462 |
7852 | } |
24385cae |
7853 | #endif |
57871462 |
7854 | tlb_hacks(); |
7855 | arch_init(); |
7856 | } |
7857 | |
7858 | void new_dynarec_cleanup() |
7859 | { |
7860 | int n; |
7861 | if (munmap ((void *)BASE_ADDR, 1<<TARGET_SIZE_2) < 0) {printf("munmap() failed\n");} |
7862 | for(n=0;n<4096;n++) ll_clear(jump_in+n); |
7863 | for(n=0;n<4096;n++) ll_clear(jump_out+n); |
7864 | for(n=0;n<4096;n++) ll_clear(jump_dirty+n); |
7865 | #ifdef ROM_COPY |
7866 | if (munmap (ROM_COPY, 67108864) < 0) {printf("munmap() failed\n");} |
7867 | #endif |
7868 | } |
7869 | |
7870 | int new_recompile_block(int addr) |
7871 | { |
7872 | /* |
7873 | if(addr==0x800cd050) { |
7874 | int block; |
7875 | for(block=0x80000;block<0x80800;block++) invalidate_block(block); |
7876 | int n; |
7877 | for(n=0;n<=2048;n++) ll_clear(jump_dirty+n); |
7878 | } |
7879 | */ |
7880 | //if(Count==365117028) tracedebug=1; |
7881 | assem_debug("NOTCOMPILED: addr = %x -> %x\n", (int)addr, (int)out); |
7882 | //printf("NOTCOMPILED: addr = %x -> %x\n", (int)addr, (int)out); |
7883 | //printf("TRACE: count=%d next=%d (compile %x)\n",Count,next_interupt,addr); |
7884 | //if(debug) |
7885 | //printf("TRACE: count=%d next=%d (checksum %x)\n",Count,next_interupt,mchecksum()); |
7886 | //printf("fpu mapping=%x enabled=%x\n",(Status & 0x04000000)>>26,(Status & 0x20000000)>>29); |
7887 | /*if(Count>=312978186) { |
7888 | rlist(); |
7889 | }*/ |
7890 | //rlist(); |
7891 | start = (u_int)addr&~3; |
7892 | //assert(((u_int)addr&1)==0); |
7139f3c8 |
7893 | #ifdef PCSX |
dadf55f2 |
7894 | if(!sp_in_mirror&&(signed int)(psxRegs.GPR.n.sp&0xffe00000)>0x80200000&& |
7895 | 0x10000<=psxRegs.GPR.n.sp&&(psxRegs.GPR.n.sp&~0xe0e00000)<RAM_SIZE) { |
c2e3bd42 |
7896 | printf("SP hack enabled (%08x), @%08x\n", psxRegs.GPR.n.sp, psxRegs.pc); |
dadf55f2 |
7897 | sp_in_mirror=1; |
7898 | } |
9ad4d757 |
7899 | if (Config.HLE && start == 0x80001000) // hlecall |
560e4a12 |
7900 | { |
7139f3c8 |
7901 | // XXX: is this enough? Maybe check hleSoftCall? |
bb5285ef |
7902 | u_int beginning=(u_int)out; |
7139f3c8 |
7903 | u_int page=get_page(start); |
7139f3c8 |
7904 | invalid_code[start>>12]=0; |
7905 | emit_movimm(start,0); |
7906 | emit_writeword(0,(int)&pcaddr); |
bb5285ef |
7907 | emit_jmp((int)new_dyna_leave); |
7908 | #ifdef __arm__ |
7909 | __clear_cache((void *)beginning,out); |
7910 | #endif |
9ad4d757 |
7911 | ll_add(jump_in+page,start,(void *)beginning); |
7139f3c8 |
7912 | return 0; |
7913 | } |
560e4a12 |
7914 | else if ((u_int)addr < 0x00200000 || |
7915 | (0xa0000000 <= addr && addr < 0xa0200000)) { |
7139f3c8 |
7916 | // used for BIOS calls mostly? |
560e4a12 |
7917 | source = (u_int *)((u_int)rdram+(start&0x1fffff)); |
7918 | pagelimit = (addr&0xa0000000)|0x00200000; |
7919 | } |
7920 | else if (!Config.HLE && ( |
7921 | /* (0x9fc00000 <= addr && addr < 0x9fc80000) ||*/ |
7922 | (0xbfc00000 <= addr && addr < 0xbfc80000))) { |
7923 | // BIOS |
7924 | source = (u_int *)((u_int)psxR+(start&0x7ffff)); |
7925 | pagelimit = (addr&0xfff00000)|0x80000; |
7139f3c8 |
7926 | } |
7927 | else |
7928 | #endif |
3d624f89 |
7929 | #ifdef MUPEN64 |
57871462 |
7930 | if ((int)addr >= 0xa4000000 && (int)addr < 0xa4001000) { |
7931 | source = (u_int *)((u_int)SP_DMEM+start-0xa4000000); |
7932 | pagelimit = 0xa4001000; |
7933 | } |
3d624f89 |
7934 | else |
7935 | #endif |
4cb76aa4 |
7936 | if ((int)addr >= 0x80000000 && (int)addr < 0x80000000+RAM_SIZE) { |
57871462 |
7937 | source = (u_int *)((u_int)rdram+start-0x80000000); |
4cb76aa4 |
7938 | pagelimit = 0x80000000+RAM_SIZE; |
57871462 |
7939 | } |
90ae6d4e |
7940 | #ifndef DISABLE_TLB |
57871462 |
7941 | else if ((signed int)addr >= (signed int)0xC0000000) { |
7942 | //printf("addr=%x mm=%x\n",(u_int)addr,(memory_map[start>>12]<<2)); |
7943 | //if(tlb_LUT_r[start>>12]) |
7944 | //source = (u_int *)(((int)rdram)+(tlb_LUT_r[start>>12]&0xFFFFF000)+(((int)addr)&0xFFF)-0x80000000); |
7945 | if((signed int)memory_map[start>>12]>=0) { |
7946 | source = (u_int *)((u_int)(start+(memory_map[start>>12]<<2))); |
7947 | pagelimit=(start+4096)&0xFFFFF000; |
7948 | int map=memory_map[start>>12]; |
7949 | int i; |
7950 | for(i=0;i<5;i++) { |
7951 | //printf("start: %x next: %x\n",map,memory_map[pagelimit>>12]); |
7952 | if((map&0xBFFFFFFF)==(memory_map[pagelimit>>12]&0xBFFFFFFF)) pagelimit+=4096; |
7953 | } |
7954 | assem_debug("pagelimit=%x\n",pagelimit); |
7955 | assem_debug("mapping=%x (%x)\n",memory_map[start>>12],(memory_map[start>>12]<<2)+start); |
7956 | } |
7957 | else { |
7958 | assem_debug("Compile at unmapped memory address: %x \n", (int)addr); |
7959 | //assem_debug("start: %x next: %x\n",memory_map[start>>12],memory_map[(start+4096)>>12]); |
560e4a12 |
7960 | return -1; // Caller will invoke exception handler |
57871462 |
7961 | } |
7962 | //printf("source= %x\n",(int)source); |
7963 | } |
90ae6d4e |
7964 | #endif |
57871462 |
7965 | else { |
7966 | printf("Compile at bogus memory address: %x \n", (int)addr); |
7967 | exit(1); |
7968 | } |
7969 | |
7970 | /* Pass 1: disassemble */ |
7971 | /* Pass 2: register dependencies, branch targets */ |
7972 | /* Pass 3: register allocation */ |
7973 | /* Pass 4: branch dependencies */ |
7974 | /* Pass 5: pre-alloc */ |
7975 | /* Pass 6: optimize clean/dirty state */ |
7976 | /* Pass 7: flag 32-bit registers */ |
7977 | /* Pass 8: assembly */ |
7978 | /* Pass 9: linker */ |
7979 | /* Pass 10: garbage collection / free memory */ |
7980 | |
7981 | int i,j; |
7982 | int done=0; |
7983 | unsigned int type,op,op2; |
7984 | |
7985 | //printf("addr = %x source = %x %x\n", addr,source,source[0]); |
7986 | |
7987 | /* Pass 1 disassembly */ |
7988 | |
7989 | for(i=0;!done;i++) { |
e1190b87 |
7990 | bt[i]=0;likely[i]=0;ooo[i]=0;op2=0; |
7991 | minimum_free_regs[i]=0; |
57871462 |
7992 | opcode[i]=op=source[i]>>26; |
7993 | switch(op) |
7994 | { |
7995 | case 0x00: strcpy(insn[i],"special"); type=NI; |
7996 | op2=source[i]&0x3f; |
7997 | switch(op2) |
7998 | { |
7999 | case 0x00: strcpy(insn[i],"SLL"); type=SHIFTIMM; break; |
8000 | case 0x02: strcpy(insn[i],"SRL"); type=SHIFTIMM; break; |
8001 | case 0x03: strcpy(insn[i],"SRA"); type=SHIFTIMM; break; |
8002 | case 0x04: strcpy(insn[i],"SLLV"); type=SHIFT; break; |
8003 | case 0x06: strcpy(insn[i],"SRLV"); type=SHIFT; break; |
8004 | case 0x07: strcpy(insn[i],"SRAV"); type=SHIFT; break; |
8005 | case 0x08: strcpy(insn[i],"JR"); type=RJUMP; break; |
8006 | case 0x09: strcpy(insn[i],"JALR"); type=RJUMP; break; |
8007 | case 0x0C: strcpy(insn[i],"SYSCALL"); type=SYSCALL; break; |
8008 | case 0x0D: strcpy(insn[i],"BREAK"); type=OTHER; break; |
8009 | case 0x0F: strcpy(insn[i],"SYNC"); type=OTHER; break; |
8010 | case 0x10: strcpy(insn[i],"MFHI"); type=MOV; break; |
8011 | case 0x11: strcpy(insn[i],"MTHI"); type=MOV; break; |
8012 | case 0x12: strcpy(insn[i],"MFLO"); type=MOV; break; |
8013 | case 0x13: strcpy(insn[i],"MTLO"); type=MOV; break; |
57871462 |
8014 | case 0x18: strcpy(insn[i],"MULT"); type=MULTDIV; break; |
8015 | case 0x19: strcpy(insn[i],"MULTU"); type=MULTDIV; break; |
8016 | case 0x1A: strcpy(insn[i],"DIV"); type=MULTDIV; break; |
8017 | case 0x1B: strcpy(insn[i],"DIVU"); type=MULTDIV; break; |
57871462 |
8018 | case 0x20: strcpy(insn[i],"ADD"); type=ALU; break; |
8019 | case 0x21: strcpy(insn[i],"ADDU"); type=ALU; break; |
8020 | case 0x22: strcpy(insn[i],"SUB"); type=ALU; break; |
8021 | case 0x23: strcpy(insn[i],"SUBU"); type=ALU; break; |
8022 | case 0x24: strcpy(insn[i],"AND"); type=ALU; break; |
8023 | case 0x25: strcpy(insn[i],"OR"); type=ALU; break; |
8024 | case 0x26: strcpy(insn[i],"XOR"); type=ALU; break; |
8025 | case 0x27: strcpy(insn[i],"NOR"); type=ALU; break; |
8026 | case 0x2A: strcpy(insn[i],"SLT"); type=ALU; break; |
8027 | case 0x2B: strcpy(insn[i],"SLTU"); type=ALU; break; |
57871462 |
8028 | case 0x30: strcpy(insn[i],"TGE"); type=NI; break; |
8029 | case 0x31: strcpy(insn[i],"TGEU"); type=NI; break; |
8030 | case 0x32: strcpy(insn[i],"TLT"); type=NI; break; |
8031 | case 0x33: strcpy(insn[i],"TLTU"); type=NI; break; |
8032 | case 0x34: strcpy(insn[i],"TEQ"); type=NI; break; |
8033 | case 0x36: strcpy(insn[i],"TNE"); type=NI; break; |
7f2607ea |
8034 | #ifndef FORCE32 |
8035 | case 0x14: strcpy(insn[i],"DSLLV"); type=SHIFT; break; |
8036 | case 0x16: strcpy(insn[i],"DSRLV"); type=SHIFT; break; |
8037 | case 0x17: strcpy(insn[i],"DSRAV"); type=SHIFT; break; |
8038 | case 0x1C: strcpy(insn[i],"DMULT"); type=MULTDIV; break; |
8039 | case 0x1D: strcpy(insn[i],"DMULTU"); type=MULTDIV; break; |
8040 | case 0x1E: strcpy(insn[i],"DDIV"); type=MULTDIV; break; |
8041 | case 0x1F: strcpy(insn[i],"DDIVU"); type=MULTDIV; break; |
8042 | case 0x2C: strcpy(insn[i],"DADD"); type=ALU; break; |
8043 | case 0x2D: strcpy(insn[i],"DADDU"); type=ALU; break; |
8044 | case 0x2E: strcpy(insn[i],"DSUB"); type=ALU; break; |
8045 | case 0x2F: strcpy(insn[i],"DSUBU"); type=ALU; break; |
57871462 |
8046 | case 0x38: strcpy(insn[i],"DSLL"); type=SHIFTIMM; break; |
8047 | case 0x3A: strcpy(insn[i],"DSRL"); type=SHIFTIMM; break; |
8048 | case 0x3B: strcpy(insn[i],"DSRA"); type=SHIFTIMM; break; |
8049 | case 0x3C: strcpy(insn[i],"DSLL32"); type=SHIFTIMM; break; |
8050 | case 0x3E: strcpy(insn[i],"DSRL32"); type=SHIFTIMM; break; |
8051 | case 0x3F: strcpy(insn[i],"DSRA32"); type=SHIFTIMM; break; |
7f2607ea |
8052 | #endif |
57871462 |
8053 | } |
8054 | break; |
8055 | case 0x01: strcpy(insn[i],"regimm"); type=NI; |
8056 | op2=(source[i]>>16)&0x1f; |
8057 | switch(op2) |
8058 | { |
8059 | case 0x00: strcpy(insn[i],"BLTZ"); type=SJUMP; break; |
8060 | case 0x01: strcpy(insn[i],"BGEZ"); type=SJUMP; break; |
8061 | case 0x02: strcpy(insn[i],"BLTZL"); type=SJUMP; break; |
8062 | case 0x03: strcpy(insn[i],"BGEZL"); type=SJUMP; break; |
8063 | case 0x08: strcpy(insn[i],"TGEI"); type=NI; break; |
8064 | case 0x09: strcpy(insn[i],"TGEIU"); type=NI; break; |
8065 | case 0x0A: strcpy(insn[i],"TLTI"); type=NI; break; |
8066 | case 0x0B: strcpy(insn[i],"TLTIU"); type=NI; break; |
8067 | case 0x0C: strcpy(insn[i],"TEQI"); type=NI; break; |
8068 | case 0x0E: strcpy(insn[i],"TNEI"); type=NI; break; |
8069 | case 0x10: strcpy(insn[i],"BLTZAL"); type=SJUMP; break; |
8070 | case 0x11: strcpy(insn[i],"BGEZAL"); type=SJUMP; break; |
8071 | case 0x12: strcpy(insn[i],"BLTZALL"); type=SJUMP; break; |
8072 | case 0x13: strcpy(insn[i],"BGEZALL"); type=SJUMP; break; |
8073 | } |
8074 | break; |
8075 | case 0x02: strcpy(insn[i],"J"); type=UJUMP; break; |
8076 | case 0x03: strcpy(insn[i],"JAL"); type=UJUMP; break; |
8077 | case 0x04: strcpy(insn[i],"BEQ"); type=CJUMP; break; |
8078 | case 0x05: strcpy(insn[i],"BNE"); type=CJUMP; break; |
8079 | case 0x06: strcpy(insn[i],"BLEZ"); type=CJUMP; break; |
8080 | case 0x07: strcpy(insn[i],"BGTZ"); type=CJUMP; break; |
8081 | case 0x08: strcpy(insn[i],"ADDI"); type=IMM16; break; |
8082 | case 0x09: strcpy(insn[i],"ADDIU"); type=IMM16; break; |
8083 | case 0x0A: strcpy(insn[i],"SLTI"); type=IMM16; break; |
8084 | case 0x0B: strcpy(insn[i],"SLTIU"); type=IMM16; break; |
8085 | case 0x0C: strcpy(insn[i],"ANDI"); type=IMM16; break; |
8086 | case 0x0D: strcpy(insn[i],"ORI"); type=IMM16; break; |
8087 | case 0x0E: strcpy(insn[i],"XORI"); type=IMM16; break; |
8088 | case 0x0F: strcpy(insn[i],"LUI"); type=IMM16; break; |
8089 | case 0x10: strcpy(insn[i],"cop0"); type=NI; |
8090 | op2=(source[i]>>21)&0x1f; |
8091 | switch(op2) |
8092 | { |
8093 | case 0x00: strcpy(insn[i],"MFC0"); type=COP0; break; |
8094 | case 0x04: strcpy(insn[i],"MTC0"); type=COP0; break; |
8095 | case 0x10: strcpy(insn[i],"tlb"); type=NI; |
8096 | switch(source[i]&0x3f) |
8097 | { |
8098 | case 0x01: strcpy(insn[i],"TLBR"); type=COP0; break; |
8099 | case 0x02: strcpy(insn[i],"TLBWI"); type=COP0; break; |
8100 | case 0x06: strcpy(insn[i],"TLBWR"); type=COP0; break; |
8101 | case 0x08: strcpy(insn[i],"TLBP"); type=COP0; break; |
576bbd8f |
8102 | #ifdef PCSX |
8103 | case 0x10: strcpy(insn[i],"RFE"); type=COP0; break; |
8104 | #else |
57871462 |
8105 | case 0x18: strcpy(insn[i],"ERET"); type=COP0; break; |
576bbd8f |
8106 | #endif |
57871462 |
8107 | } |
8108 | } |
8109 | break; |
8110 | case 0x11: strcpy(insn[i],"cop1"); type=NI; |
8111 | op2=(source[i]>>21)&0x1f; |
8112 | switch(op2) |
8113 | { |
8114 | case 0x00: strcpy(insn[i],"MFC1"); type=COP1; break; |
8115 | case 0x01: strcpy(insn[i],"DMFC1"); type=COP1; break; |
8116 | case 0x02: strcpy(insn[i],"CFC1"); type=COP1; break; |
8117 | case 0x04: strcpy(insn[i],"MTC1"); type=COP1; break; |
8118 | case 0x05: strcpy(insn[i],"DMTC1"); type=COP1; break; |
8119 | case 0x06: strcpy(insn[i],"CTC1"); type=COP1; break; |
8120 | case 0x08: strcpy(insn[i],"BC1"); type=FJUMP; |
8121 | switch((source[i]>>16)&0x3) |
8122 | { |
8123 | case 0x00: strcpy(insn[i],"BC1F"); break; |
8124 | case 0x01: strcpy(insn[i],"BC1T"); break; |
8125 | case 0x02: strcpy(insn[i],"BC1FL"); break; |
8126 | case 0x03: strcpy(insn[i],"BC1TL"); break; |
8127 | } |
8128 | break; |
8129 | case 0x10: strcpy(insn[i],"C1.S"); type=NI; |
8130 | switch(source[i]&0x3f) |
8131 | { |
8132 | case 0x00: strcpy(insn[i],"ADD.S"); type=FLOAT; break; |
8133 | case 0x01: strcpy(insn[i],"SUB.S"); type=FLOAT; break; |
8134 | case 0x02: strcpy(insn[i],"MUL.S"); type=FLOAT; break; |
8135 | case 0x03: strcpy(insn[i],"DIV.S"); type=FLOAT; break; |
8136 | case 0x04: strcpy(insn[i],"SQRT.S"); type=FLOAT; break; |
8137 | case 0x05: strcpy(insn[i],"ABS.S"); type=FLOAT; break; |
8138 | case 0x06: strcpy(insn[i],"MOV.S"); type=FLOAT; break; |
8139 | case 0x07: strcpy(insn[i],"NEG.S"); type=FLOAT; break; |
8140 | case 0x08: strcpy(insn[i],"ROUND.L.S"); type=FCONV; break; |
8141 | case 0x09: strcpy(insn[i],"TRUNC.L.S"); type=FCONV; break; |
8142 | case 0x0A: strcpy(insn[i],"CEIL.L.S"); type=FCONV; break; |
8143 | case 0x0B: strcpy(insn[i],"FLOOR.L.S"); type=FCONV; break; |
8144 | case 0x0C: strcpy(insn[i],"ROUND.W.S"); type=FCONV; break; |
8145 | case 0x0D: strcpy(insn[i],"TRUNC.W.S"); type=FCONV; break; |
8146 | case 0x0E: strcpy(insn[i],"CEIL.W.S"); type=FCONV; break; |
8147 | case 0x0F: strcpy(insn[i],"FLOOR.W.S"); type=FCONV; break; |
8148 | case 0x21: strcpy(insn[i],"CVT.D.S"); type=FCONV; break; |
8149 | case 0x24: strcpy(insn[i],"CVT.W.S"); type=FCONV; break; |
8150 | case 0x25: strcpy(insn[i],"CVT.L.S"); type=FCONV; break; |
8151 | case 0x30: strcpy(insn[i],"C.F.S"); type=FCOMP; break; |
8152 | case 0x31: strcpy(insn[i],"C.UN.S"); type=FCOMP; break; |
8153 | case 0x32: strcpy(insn[i],"C.EQ.S"); type=FCOMP; break; |
8154 | case 0x33: strcpy(insn[i],"C.UEQ.S"); type=FCOMP; break; |
8155 | case 0x34: strcpy(insn[i],"C.OLT.S"); type=FCOMP; break; |
8156 | case 0x35: strcpy(insn[i],"C.ULT.S"); type=FCOMP; break; |
8157 | case 0x36: strcpy(insn[i],"C.OLE.S"); type=FCOMP; break; |
8158 | case 0x37: strcpy(insn[i],"C.ULE.S"); type=FCOMP; break; |
8159 | case 0x38: strcpy(insn[i],"C.SF.S"); type=FCOMP; break; |
8160 | case 0x39: strcpy(insn[i],"C.NGLE.S"); type=FCOMP; break; |
8161 | case 0x3A: strcpy(insn[i],"C.SEQ.S"); type=FCOMP; break; |
8162 | case 0x3B: strcpy(insn[i],"C.NGL.S"); type=FCOMP; break; |
8163 | case 0x3C: strcpy(insn[i],"C.LT.S"); type=FCOMP; break; |
8164 | case 0x3D: strcpy(insn[i],"C.NGE.S"); type=FCOMP; break; |
8165 | case 0x3E: strcpy(insn[i],"C.LE.S"); type=FCOMP; break; |
8166 | case 0x3F: strcpy(insn[i],"C.NGT.S"); type=FCOMP; break; |
8167 | } |
8168 | break; |
8169 | case 0x11: strcpy(insn[i],"C1.D"); type=NI; |
8170 | switch(source[i]&0x3f) |
8171 | { |
8172 | case 0x00: strcpy(insn[i],"ADD.D"); type=FLOAT; break; |
8173 | case 0x01: strcpy(insn[i],"SUB.D"); type=FLOAT; break; |
8174 | case 0x02: strcpy(insn[i],"MUL.D"); type=FLOAT; break; |
8175 | case 0x03: strcpy(insn[i],"DIV.D"); type=FLOAT; break; |
8176 | case 0x04: strcpy(insn[i],"SQRT.D"); type=FLOAT; break; |
8177 | case 0x05: strcpy(insn[i],"ABS.D"); type=FLOAT; break; |
8178 | case 0x06: strcpy(insn[i],"MOV.D"); type=FLOAT; break; |
8179 | case 0x07: strcpy(insn[i],"NEG.D"); type=FLOAT; break; |
8180 | case 0x08: strcpy(insn[i],"ROUND.L.D"); type=FCONV; break; |
8181 | case 0x09: strcpy(insn[i],"TRUNC.L.D"); type=FCONV; break; |
8182 | case 0x0A: strcpy(insn[i],"CEIL.L.D"); type=FCONV; break; |
8183 | case 0x0B: strcpy(insn[i],"FLOOR.L.D"); type=FCONV; break; |
8184 | case 0x0C: strcpy(insn[i],"ROUND.W.D"); type=FCONV; break; |
8185 | case 0x0D: strcpy(insn[i],"TRUNC.W.D"); type=FCONV; break; |
8186 | case 0x0E: strcpy(insn[i],"CEIL.W.D"); type=FCONV; break; |
8187 | case 0x0F: strcpy(insn[i],"FLOOR.W.D"); type=FCONV; break; |
8188 | case 0x20: strcpy(insn[i],"CVT.S.D"); type=FCONV; break; |
8189 | case 0x24: strcpy(insn[i],"CVT.W.D"); type=FCONV; break; |
8190 | case 0x25: strcpy(insn[i],"CVT.L.D"); type=FCONV; break; |
8191 | case 0x30: strcpy(insn[i],"C.F.D"); type=FCOMP; break; |
8192 | case 0x31: strcpy(insn[i],"C.UN.D"); type=FCOMP; break; |
8193 | case 0x32: strcpy(insn[i],"C.EQ.D"); type=FCOMP; break; |
8194 | case 0x33: strcpy(insn[i],"C.UEQ.D"); type=FCOMP; break; |
8195 | case 0x34: strcpy(insn[i],"C.OLT.D"); type=FCOMP; break; |
8196 | case 0x35: strcpy(insn[i],"C.ULT.D"); type=FCOMP; break; |
8197 | case 0x36: strcpy(insn[i],"C.OLE.D"); type=FCOMP; break; |
8198 | case 0x37: strcpy(insn[i],"C.ULE.D"); type=FCOMP; break; |
8199 | case 0x38: strcpy(insn[i],"C.SF.D"); type=FCOMP; break; |
8200 | case 0x39: strcpy(insn[i],"C.NGLE.D"); type=FCOMP; break; |
8201 | case 0x3A: strcpy(insn[i],"C.SEQ.D"); type=FCOMP; break; |
8202 | case 0x3B: strcpy(insn[i],"C.NGL.D"); type=FCOMP; break; |
8203 | case 0x3C: strcpy(insn[i],"C.LT.D"); type=FCOMP; break; |
8204 | case 0x3D: strcpy(insn[i],"C.NGE.D"); type=FCOMP; break; |
8205 | case 0x3E: strcpy(insn[i],"C.LE.D"); type=FCOMP; break; |
8206 | case 0x3F: strcpy(insn[i],"C.NGT.D"); type=FCOMP; break; |
8207 | } |
8208 | break; |
8209 | case 0x14: strcpy(insn[i],"C1.W"); type=NI; |
8210 | switch(source[i]&0x3f) |
8211 | { |
8212 | case 0x20: strcpy(insn[i],"CVT.S.W"); type=FCONV; break; |
8213 | case 0x21: strcpy(insn[i],"CVT.D.W"); type=FCONV; break; |
8214 | } |
8215 | break; |
8216 | case 0x15: strcpy(insn[i],"C1.L"); type=NI; |
8217 | switch(source[i]&0x3f) |
8218 | { |
8219 | case 0x20: strcpy(insn[i],"CVT.S.L"); type=FCONV; break; |
8220 | case 0x21: strcpy(insn[i],"CVT.D.L"); type=FCONV; break; |
8221 | } |
8222 | break; |
8223 | } |
8224 | break; |
909168d6 |
8225 | #ifndef FORCE32 |
57871462 |
8226 | case 0x14: strcpy(insn[i],"BEQL"); type=CJUMP; break; |
8227 | case 0x15: strcpy(insn[i],"BNEL"); type=CJUMP; break; |
8228 | case 0x16: strcpy(insn[i],"BLEZL"); type=CJUMP; break; |
8229 | case 0x17: strcpy(insn[i],"BGTZL"); type=CJUMP; break; |
8230 | case 0x18: strcpy(insn[i],"DADDI"); type=IMM16; break; |
8231 | case 0x19: strcpy(insn[i],"DADDIU"); type=IMM16; break; |
8232 | case 0x1A: strcpy(insn[i],"LDL"); type=LOADLR; break; |
8233 | case 0x1B: strcpy(insn[i],"LDR"); type=LOADLR; break; |
996cc15d |
8234 | #endif |
57871462 |
8235 | case 0x20: strcpy(insn[i],"LB"); type=LOAD; break; |
8236 | case 0x21: strcpy(insn[i],"LH"); type=LOAD; break; |
8237 | case 0x22: strcpy(insn[i],"LWL"); type=LOADLR; break; |
8238 | case 0x23: strcpy(insn[i],"LW"); type=LOAD; break; |
8239 | case 0x24: strcpy(insn[i],"LBU"); type=LOAD; break; |
8240 | case 0x25: strcpy(insn[i],"LHU"); type=LOAD; break; |
8241 | case 0x26: strcpy(insn[i],"LWR"); type=LOADLR; break; |
64bd6f82 |
8242 | #ifndef FORCE32 |
57871462 |
8243 | case 0x27: strcpy(insn[i],"LWU"); type=LOAD; break; |
64bd6f82 |
8244 | #endif |
57871462 |
8245 | case 0x28: strcpy(insn[i],"SB"); type=STORE; break; |
8246 | case 0x29: strcpy(insn[i],"SH"); type=STORE; break; |
8247 | case 0x2A: strcpy(insn[i],"SWL"); type=STORELR; break; |
8248 | case 0x2B: strcpy(insn[i],"SW"); type=STORE; break; |
996cc15d |
8249 | #ifndef FORCE32 |
57871462 |
8250 | case 0x2C: strcpy(insn[i],"SDL"); type=STORELR; break; |
8251 | case 0x2D: strcpy(insn[i],"SDR"); type=STORELR; break; |
996cc15d |
8252 | #endif |
57871462 |
8253 | case 0x2E: strcpy(insn[i],"SWR"); type=STORELR; break; |
8254 | case 0x2F: strcpy(insn[i],"CACHE"); type=NOP; break; |
8255 | case 0x30: strcpy(insn[i],"LL"); type=NI; break; |
8256 | case 0x31: strcpy(insn[i],"LWC1"); type=C1LS; break; |
996cc15d |
8257 | #ifndef FORCE32 |
57871462 |
8258 | case 0x34: strcpy(insn[i],"LLD"); type=NI; break; |
8259 | case 0x35: strcpy(insn[i],"LDC1"); type=C1LS; break; |
8260 | case 0x37: strcpy(insn[i],"LD"); type=LOAD; break; |
996cc15d |
8261 | #endif |
57871462 |
8262 | case 0x38: strcpy(insn[i],"SC"); type=NI; break; |
8263 | case 0x39: strcpy(insn[i],"SWC1"); type=C1LS; break; |
996cc15d |
8264 | #ifndef FORCE32 |
57871462 |
8265 | case 0x3C: strcpy(insn[i],"SCD"); type=NI; break; |
8266 | case 0x3D: strcpy(insn[i],"SDC1"); type=C1LS; break; |
8267 | case 0x3F: strcpy(insn[i],"SD"); type=STORE; break; |
996cc15d |
8268 | #endif |
b9b61529 |
8269 | #ifdef PCSX |
8270 | case 0x12: strcpy(insn[i],"COP2"); type=NI; |
c7abc864 |
8271 | // note: COP MIPS-1 encoding differs from MIPS32 |
b9b61529 |
8272 | op2=(source[i]>>21)&0x1f; |
c7abc864 |
8273 | if (source[i]&0x3f) { |
8274 | if (gte_handlers[source[i]&0x3f]!=NULL) { |
8275 | snprintf(insn[i], sizeof(insn[i]), "COP2 %x", source[i]&0x3f); |
8276 | type=C2OP; |
8277 | } |
8278 | } |
8279 | else switch(op2) |
b9b61529 |
8280 | { |
8281 | case 0x00: strcpy(insn[i],"MFC2"); type=COP2; break; |
8282 | case 0x02: strcpy(insn[i],"CFC2"); type=COP2; break; |
8283 | case 0x04: strcpy(insn[i],"MTC2"); type=COP2; break; |
8284 | case 0x06: strcpy(insn[i],"CTC2"); type=COP2; break; |
b9b61529 |
8285 | } |
8286 | break; |
8287 | case 0x32: strcpy(insn[i],"LWC2"); type=C2LS; break; |
8288 | case 0x3A: strcpy(insn[i],"SWC2"); type=C2LS; break; |
8289 | case 0x3B: strcpy(insn[i],"HLECALL"); type=HLECALL; break; |
8290 | #endif |
90ae6d4e |
8291 | default: strcpy(insn[i],"???"); type=NI; |
75dec299 |
8292 | printf("NI %08x @%08x (%08x)\n", source[i], addr + i*4, addr); |
90ae6d4e |
8293 | break; |
57871462 |
8294 | } |
8295 | itype[i]=type; |
8296 | opcode2[i]=op2; |
8297 | /* Get registers/immediates */ |
8298 | lt1[i]=0; |
8299 | us1[i]=0; |
8300 | us2[i]=0; |
8301 | dep1[i]=0; |
8302 | dep2[i]=0; |
8303 | switch(type) { |
8304 | case LOAD: |
8305 | rs1[i]=(source[i]>>21)&0x1f; |
8306 | rs2[i]=0; |
8307 | rt1[i]=(source[i]>>16)&0x1f; |
8308 | rt2[i]=0; |
8309 | imm[i]=(short)source[i]; |
8310 | break; |
8311 | case STORE: |
8312 | case STORELR: |
8313 | rs1[i]=(source[i]>>21)&0x1f; |
8314 | rs2[i]=(source[i]>>16)&0x1f; |
8315 | rt1[i]=0; |
8316 | rt2[i]=0; |
8317 | imm[i]=(short)source[i]; |
8318 | if(op==0x2c||op==0x2d||op==0x3f) us1[i]=rs2[i]; // 64-bit SDL/SDR/SD |
8319 | break; |
8320 | case LOADLR: |
8321 | // LWL/LWR only load part of the register, |
8322 | // therefore the target register must be treated as a source too |
8323 | rs1[i]=(source[i]>>21)&0x1f; |
8324 | rs2[i]=(source[i]>>16)&0x1f; |
8325 | rt1[i]=(source[i]>>16)&0x1f; |
8326 | rt2[i]=0; |
8327 | imm[i]=(short)source[i]; |
8328 | if(op==0x1a||op==0x1b) us1[i]=rs2[i]; // LDR/LDL |
8329 | if(op==0x26) dep1[i]=rt1[i]; // LWR |
8330 | break; |
8331 | case IMM16: |
8332 | if (op==0x0f) rs1[i]=0; // LUI instruction has no source register |
8333 | else rs1[i]=(source[i]>>21)&0x1f; |
8334 | rs2[i]=0; |
8335 | rt1[i]=(source[i]>>16)&0x1f; |
8336 | rt2[i]=0; |
8337 | if(op>=0x0c&&op<=0x0e) { // ANDI/ORI/XORI |
8338 | imm[i]=(unsigned short)source[i]; |
8339 | }else{ |
8340 | imm[i]=(short)source[i]; |
8341 | } |
8342 | if(op==0x18||op==0x19) us1[i]=rs1[i]; // DADDI/DADDIU |
8343 | if(op==0x0a||op==0x0b) us1[i]=rs1[i]; // SLTI/SLTIU |
8344 | if(op==0x0d||op==0x0e) dep1[i]=rs1[i]; // ORI/XORI |
8345 | break; |
8346 | case UJUMP: |
8347 | rs1[i]=0; |
8348 | rs2[i]=0; |
8349 | rt1[i]=0; |
8350 | rt2[i]=0; |
8351 | // The JAL instruction writes to r31. |
8352 | if (op&1) { |
8353 | rt1[i]=31; |
8354 | } |
8355 | rs2[i]=CCREG; |
8356 | break; |
8357 | case RJUMP: |
8358 | rs1[i]=(source[i]>>21)&0x1f; |
8359 | rs2[i]=0; |
8360 | rt1[i]=0; |
8361 | rt2[i]=0; |
5067f341 |
8362 | // The JALR instruction writes to rd. |
57871462 |
8363 | if (op2&1) { |
5067f341 |
8364 | rt1[i]=(source[i]>>11)&0x1f; |
57871462 |
8365 | } |
8366 | rs2[i]=CCREG; |
8367 | break; |
8368 | case CJUMP: |
8369 | rs1[i]=(source[i]>>21)&0x1f; |
8370 | rs2[i]=(source[i]>>16)&0x1f; |
8371 | rt1[i]=0; |
8372 | rt2[i]=0; |
8373 | if(op&2) { // BGTZ/BLEZ |
8374 | rs2[i]=0; |
8375 | } |
8376 | us1[i]=rs1[i]; |
8377 | us2[i]=rs2[i]; |
8378 | likely[i]=op>>4; |
8379 | break; |
8380 | case SJUMP: |
8381 | rs1[i]=(source[i]>>21)&0x1f; |
8382 | rs2[i]=CCREG; |
8383 | rt1[i]=0; |
8384 | rt2[i]=0; |
8385 | us1[i]=rs1[i]; |
8386 | if(op2&0x10) { // BxxAL |
8387 | rt1[i]=31; |
8388 | // NOTE: If the branch is not taken, r31 is still overwritten |
8389 | } |
8390 | likely[i]=(op2&2)>>1; |
8391 | break; |
8392 | case FJUMP: |
8393 | rs1[i]=FSREG; |
8394 | rs2[i]=CSREG; |
8395 | rt1[i]=0; |
8396 | rt2[i]=0; |
8397 | likely[i]=((source[i])>>17)&1; |
8398 | break; |
8399 | case ALU: |
8400 | rs1[i]=(source[i]>>21)&0x1f; // source |
8401 | rs2[i]=(source[i]>>16)&0x1f; // subtract amount |
8402 | rt1[i]=(source[i]>>11)&0x1f; // destination |
8403 | rt2[i]=0; |
8404 | if(op2==0x2a||op2==0x2b) { // SLT/SLTU |
8405 | us1[i]=rs1[i];us2[i]=rs2[i]; |
8406 | } |
8407 | else if(op2>=0x24&&op2<=0x27) { // AND/OR/XOR/NOR |
8408 | dep1[i]=rs1[i];dep2[i]=rs2[i]; |
8409 | } |
8410 | else if(op2>=0x2c&&op2<=0x2f) { // DADD/DSUB |
8411 | dep1[i]=rs1[i];dep2[i]=rs2[i]; |
8412 | } |
8413 | break; |
8414 | case MULTDIV: |
8415 | rs1[i]=(source[i]>>21)&0x1f; // source |
8416 | rs2[i]=(source[i]>>16)&0x1f; // divisor |
8417 | rt1[i]=HIREG; |
8418 | rt2[i]=LOREG; |
8419 | if (op2>=0x1c&&op2<=0x1f) { // DMULT/DMULTU/DDIV/DDIVU |
8420 | us1[i]=rs1[i];us2[i]=rs2[i]; |
8421 | } |
8422 | break; |
8423 | case MOV: |
8424 | rs1[i]=0; |
8425 | rs2[i]=0; |
8426 | rt1[i]=0; |
8427 | rt2[i]=0; |
8428 | if(op2==0x10) rs1[i]=HIREG; // MFHI |
8429 | if(op2==0x11) rt1[i]=HIREG; // MTHI |
8430 | if(op2==0x12) rs1[i]=LOREG; // MFLO |
8431 | if(op2==0x13) rt1[i]=LOREG; // MTLO |
8432 | if((op2&0x1d)==0x10) rt1[i]=(source[i]>>11)&0x1f; // MFxx |
8433 | if((op2&0x1d)==0x11) rs1[i]=(source[i]>>21)&0x1f; // MTxx |
8434 | dep1[i]=rs1[i]; |
8435 | break; |
8436 | case SHIFT: |
8437 | rs1[i]=(source[i]>>16)&0x1f; // target of shift |
8438 | rs2[i]=(source[i]>>21)&0x1f; // shift amount |
8439 | rt1[i]=(source[i]>>11)&0x1f; // destination |
8440 | rt2[i]=0; |
8441 | // DSLLV/DSRLV/DSRAV are 64-bit |
8442 | if(op2>=0x14&&op2<=0x17) us1[i]=rs1[i]; |
8443 | break; |
8444 | case SHIFTIMM: |
8445 | rs1[i]=(source[i]>>16)&0x1f; |
8446 | rs2[i]=0; |
8447 | rt1[i]=(source[i]>>11)&0x1f; |
8448 | rt2[i]=0; |
8449 | imm[i]=(source[i]>>6)&0x1f; |
8450 | // DSxx32 instructions |
8451 | if(op2>=0x3c) imm[i]|=0x20; |
8452 | // DSLL/DSRL/DSRA/DSRA32/DSRL32 but not DSLL32 require 64-bit source |
8453 | if(op2>=0x38&&op2!=0x3c) us1[i]=rs1[i]; |
8454 | break; |
8455 | case COP0: |
8456 | rs1[i]=0; |
8457 | rs2[i]=0; |
8458 | rt1[i]=0; |
8459 | rt2[i]=0; |
8460 | if(op2==0) rt1[i]=(source[i]>>16)&0x1F; // MFC0 |
8461 | if(op2==4) rs1[i]=(source[i]>>16)&0x1F; // MTC0 |
8462 | if(op2==4&&((source[i]>>11)&0x1f)==12) rt2[i]=CSREG; // Status |
8463 | if(op2==16) if((source[i]&0x3f)==0x18) rs2[i]=CCREG; // ERET |
8464 | break; |
8465 | case COP1: |
b9b61529 |
8466 | case COP2: |
57871462 |
8467 | rs1[i]=0; |
8468 | rs2[i]=0; |
8469 | rt1[i]=0; |
8470 | rt2[i]=0; |
8471 | if(op2<3) rt1[i]=(source[i]>>16)&0x1F; // MFC1/DMFC1/CFC1 |
8472 | if(op2>3) rs1[i]=(source[i]>>16)&0x1F; // MTC1/DMTC1/CTC1 |
8473 | if(op2==5) us1[i]=rs1[i]; // DMTC1 |
8474 | rs2[i]=CSREG; |
8475 | break; |
8476 | case C1LS: |
8477 | rs1[i]=(source[i]>>21)&0x1F; |
8478 | rs2[i]=CSREG; |
8479 | rt1[i]=0; |
8480 | rt2[i]=0; |
8481 | imm[i]=(short)source[i]; |
8482 | break; |
b9b61529 |
8483 | case C2LS: |
8484 | rs1[i]=(source[i]>>21)&0x1F; |
8485 | rs2[i]=0; |
8486 | rt1[i]=0; |
8487 | rt2[i]=0; |
8488 | imm[i]=(short)source[i]; |
8489 | break; |
57871462 |
8490 | case FLOAT: |
8491 | case FCONV: |
8492 | rs1[i]=0; |
8493 | rs2[i]=CSREG; |
8494 | rt1[i]=0; |
8495 | rt2[i]=0; |
8496 | break; |
8497 | case FCOMP: |
8498 | rs1[i]=FSREG; |
8499 | rs2[i]=CSREG; |
8500 | rt1[i]=FSREG; |
8501 | rt2[i]=0; |
8502 | break; |
8503 | case SYSCALL: |
7139f3c8 |
8504 | case HLECALL: |
1e973cb0 |
8505 | case INTCALL: |
57871462 |
8506 | rs1[i]=CCREG; |
8507 | rs2[i]=0; |
8508 | rt1[i]=0; |
8509 | rt2[i]=0; |
8510 | break; |
8511 | default: |
8512 | rs1[i]=0; |
8513 | rs2[i]=0; |
8514 | rt1[i]=0; |
8515 | rt2[i]=0; |
8516 | } |
8517 | /* Calculate branch target addresses */ |
8518 | if(type==UJUMP) |
8519 | ba[i]=((start+i*4+4)&0xF0000000)|(((unsigned int)source[i]<<6)>>4); |
8520 | else if(type==CJUMP&&rs1[i]==rs2[i]&&(op&1)) |
8521 | ba[i]=start+i*4+8; // Ignore never taken branch |
8522 | else if(type==SJUMP&&rs1[i]==0&&!(op2&1)) |
8523 | ba[i]=start+i*4+8; // Ignore never taken branch |
8524 | else if(type==CJUMP||type==SJUMP||type==FJUMP) |
8525 | ba[i]=start+i*4+4+((signed int)((unsigned int)source[i]<<16)>>14); |
8526 | else ba[i]=-1; |
26869094 |
8527 | #ifdef PCSX |
3e535354 |
8528 | if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP)) { |
8529 | int do_in_intrp=0; |
8530 | // branch in delay slot? |
8531 | if(type==RJUMP||type==UJUMP||type==CJUMP||type==SJUMP||type==FJUMP) { |
8532 | // don't handle first branch and call interpreter if it's hit |
8533 | printf("branch in delay slot @%08x (%08x)\n", addr + i*4, addr); |
8534 | do_in_intrp=1; |
8535 | } |
8536 | // basic load delay detection |
8537 | else if((type==LOAD||type==LOADLR||type==COP0||type==COP2||type==C2LS)&&rt1[i]!=0) { |
8538 | int t=(ba[i-1]-start)/4; |
8539 | if(0 <= t && t < i &&(rt1[i]==rs1[t]||rt1[i]==rs2[t])&&itype[t]!=CJUMP&&itype[t]!=SJUMP) { |
8540 | // jump target wants DS result - potential load delay effect |
8541 | printf("load delay @%08x (%08x)\n", addr + i*4, addr); |
8542 | do_in_intrp=1; |
8543 | bt[t+1]=1; // expected return from interpreter |
8544 | } |
8545 | else if(i>=2&&rt1[i-2]==2&&rt1[i]==2&&rs1[i]!=2&&rs2[i]!=2&&rs1[i-1]!=2&&rs2[i-1]!=2&& |
8546 | !(i>=3&&(itype[i-3]==RJUMP||itype[i-3]==UJUMP||itype[i-3]==CJUMP||itype[i-3]==SJUMP))) { |
8547 | // v0 overwrite like this is a sign of trouble, bail out |
8548 | printf("v0 overwrite @%08x (%08x)\n", addr + i*4, addr); |
8549 | do_in_intrp=1; |
8550 | } |
8551 | } |
3e535354 |
8552 | if(do_in_intrp) { |
8553 | rs1[i-1]=CCREG; |
8554 | rs2[i-1]=rt1[i-1]=rt2[i-1]=0; |
26869094 |
8555 | ba[i-1]=-1; |
8556 | itype[i-1]=INTCALL; |
8557 | done=2; |
3e535354 |
8558 | i--; // don't compile the DS |
26869094 |
8559 | } |
3e535354 |
8560 | } |
26869094 |
8561 | #endif |
3e535354 |
8562 | /* Is this the end of the block? */ |
8563 | if(i>0&&(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000)) { |
5067f341 |
8564 | if(rt1[i-1]==0) { // Continue past subroutine call (JAL) |
1e973cb0 |
8565 | done=2; |
57871462 |
8566 | } |
8567 | else { |
8568 | if(stop_after_jal) done=1; |
8569 | // Stop on BREAK |
8570 | if((source[i+1]&0xfc00003f)==0x0d) done=1; |
8571 | } |
8572 | // Don't recompile stuff that's already compiled |
8573 | if(check_addr(start+i*4+4)) done=1; |
8574 | // Don't get too close to the limit |
8575 | if(i>MAXBLOCK/2) done=1; |
8576 | } |
75dec299 |
8577 | if(itype[i]==SYSCALL&&stop_after_jal) done=1; |
1e973cb0 |
8578 | if(itype[i]==HLECALL||itype[i]==INTCALL) done=2; |
8579 | if(done==2) { |
8580 | // Does the block continue due to a branch? |
8581 | for(j=i-1;j>=0;j--) |
8582 | { |
2a706964 |
8583 | if(ba[j]==start+i*4) done=j=0; // Branch into delay slot |
1e973cb0 |
8584 | if(ba[j]==start+i*4+4) done=j=0; |
8585 | if(ba[j]==start+i*4+8) done=j=0; |
8586 | } |
8587 | } |
75dec299 |
8588 | //assert(i<MAXBLOCK-1); |
57871462 |
8589 | if(start+i*4==pagelimit-4) done=1; |
8590 | assert(start+i*4<pagelimit); |
8591 | if (i==MAXBLOCK-1) done=1; |
8592 | // Stop if we're compiling junk |
8593 | if(itype[i]==NI&&opcode[i]==0x11) { |
8594 | done=stop_after_jal=1; |
8595 | printf("Disabled speculative precompilation\n"); |
8596 | } |
8597 | } |
8598 | slen=i; |
8599 | if(itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==RJUMP||itype[i-1]==FJUMP) { |
8600 | if(start+i*4==pagelimit) { |
8601 | itype[i-1]=SPAN; |
8602 | } |
8603 | } |
8604 | assert(slen>0); |
8605 | |
8606 | /* Pass 2 - Register dependencies and branch targets */ |
8607 | |
8608 | unneeded_registers(0,slen-1,0); |
8609 | |
8610 | /* Pass 3 - Register allocation */ |
8611 | |
8612 | struct regstat current; // Current register allocations/status |
8613 | current.is32=1; |
8614 | current.dirty=0; |
8615 | current.u=unneeded_reg[0]; |
8616 | current.uu=unneeded_reg_upper[0]; |
8617 | clear_all_regs(current.regmap); |
8618 | alloc_reg(¤t,0,CCREG); |
8619 | dirty_reg(¤t,CCREG); |
8620 | current.isconst=0; |
8621 | current.wasconst=0; |
8622 | int ds=0; |
8623 | int cc=0; |
5194fb95 |
8624 | int hr=-1; |
6ebf4adf |
8625 | |
8626 | #ifndef FORCE32 |
57871462 |
8627 | provisional_32bit(); |
6ebf4adf |
8628 | #endif |
57871462 |
8629 | if((u_int)addr&1) { |
8630 | // First instruction is delay slot |
8631 | cc=-1; |
8632 | bt[1]=1; |
8633 | ds=1; |
8634 | unneeded_reg[0]=1; |
8635 | unneeded_reg_upper[0]=1; |
8636 | current.regmap[HOST_BTREG]=BTREG; |
8637 | } |
8638 | |
8639 | for(i=0;i<slen;i++) |
8640 | { |
8641 | if(bt[i]) |
8642 | { |
8643 | int hr; |
8644 | for(hr=0;hr<HOST_REGS;hr++) |
8645 | { |
8646 | // Is this really necessary? |
8647 | if(current.regmap[hr]==0) current.regmap[hr]=-1; |
8648 | } |
8649 | current.isconst=0; |
8650 | } |
8651 | if(i>1) |
8652 | { |
8653 | if((opcode[i-2]&0x2f)==0x05) // BNE/BNEL |
8654 | { |
8655 | if(rs1[i-2]==0||rs2[i-2]==0) |
8656 | { |
8657 | if(rs1[i-2]) { |
8658 | current.is32|=1LL<<rs1[i-2]; |
8659 | int hr=get_reg(current.regmap,rs1[i-2]|64); |
8660 | if(hr>=0) current.regmap[hr]=-1; |
8661 | } |
8662 | if(rs2[i-2]) { |
8663 | current.is32|=1LL<<rs2[i-2]; |
8664 | int hr=get_reg(current.regmap,rs2[i-2]|64); |
8665 | if(hr>=0) current.regmap[hr]=-1; |
8666 | } |
8667 | } |
8668 | } |
8669 | } |
6ebf4adf |
8670 | #ifndef FORCE32 |
57871462 |
8671 | // If something jumps here with 64-bit values |
8672 | // then promote those registers to 64 bits |
8673 | if(bt[i]) |
8674 | { |
8675 | uint64_t temp_is32=current.is32; |
8676 | for(j=i-1;j>=0;j--) |
8677 | { |
8678 | if(ba[j]==start+i*4) |
8679 | temp_is32&=branch_regs[j].is32; |
8680 | } |
8681 | for(j=i;j<slen;j++) |
8682 | { |
8683 | if(ba[j]==start+i*4) |
8684 | //temp_is32=1; |
8685 | temp_is32&=p32[j]; |
8686 | } |
8687 | if(temp_is32!=current.is32) { |
8688 | //printf("dumping 32-bit regs (%x)\n",start+i*4); |
311301dc |
8689 | #ifndef DESTRUCTIVE_WRITEBACK |
8690 | if(ds) |
8691 | #endif |
57871462 |
8692 | for(hr=0;hr<HOST_REGS;hr++) |
8693 | { |
8694 | int r=current.regmap[hr]; |
8695 | if(r>0&&r<64) |
8696 | { |
8697 | if((current.dirty>>hr)&((current.is32&~temp_is32)>>r)&1) { |
8698 | temp_is32|=1LL<<r; |
8699 | //printf("restore %d\n",r); |
8700 | } |
8701 | } |
8702 | } |
57871462 |
8703 | current.is32=temp_is32; |
8704 | } |
8705 | } |
6ebf4adf |
8706 | #else |
24385cae |
8707 | current.is32=-1LL; |
8708 | #endif |
8709 | |
57871462 |
8710 | memcpy(regmap_pre[i],current.regmap,sizeof(current.regmap)); |
8711 | regs[i].wasconst=current.isconst; |
8712 | regs[i].was32=current.is32; |
8713 | regs[i].wasdirty=current.dirty; |
6ebf4adf |
8714 | #if defined(DESTRUCTIVE_WRITEBACK) && !defined(FORCE32) |
57871462 |
8715 | // To change a dirty register from 32 to 64 bits, we must write |
8716 | // it out during the previous cycle (for branches, 2 cycles) |
8717 | if(i<slen-1&&bt[i+1]&&itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP) |
8718 | { |
8719 | uint64_t temp_is32=current.is32; |
8720 | for(j=i-1;j>=0;j--) |
8721 | { |
8722 | if(ba[j]==start+i*4+4) |
8723 | temp_is32&=branch_regs[j].is32; |
8724 | } |
8725 | for(j=i;j<slen;j++) |
8726 | { |
8727 | if(ba[j]==start+i*4+4) |
8728 | //temp_is32=1; |
8729 | temp_is32&=p32[j]; |
8730 | } |
8731 | if(temp_is32!=current.is32) { |
8732 | //printf("pre-dumping 32-bit regs (%x)\n",start+i*4); |
8733 | for(hr=0;hr<HOST_REGS;hr++) |
8734 | { |
8735 | int r=current.regmap[hr]; |
8736 | if(r>0) |
8737 | { |
8738 | if((current.dirty>>hr)&((current.is32&~temp_is32)>>(r&63))&1) { |
8739 | if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP) |
8740 | { |
8741 | if(rs1[i]!=(r&63)&&rs2[i]!=(r&63)) |
8742 | { |
8743 | //printf("dump %d/r%d\n",hr,r); |
8744 | current.regmap[hr]=-1; |
8745 | if(get_reg(current.regmap,r|64)>=0) |
8746 | current.regmap[get_reg(current.regmap,r|64)]=-1; |
8747 | } |
8748 | } |
8749 | } |
8750 | } |
8751 | } |
8752 | } |
8753 | } |
8754 | else if(i<slen-2&&bt[i+2]&&(source[i-1]>>16)!=0x1000&&(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)) |
8755 | { |
8756 | uint64_t temp_is32=current.is32; |
8757 | for(j=i-1;j>=0;j--) |
8758 | { |
8759 | if(ba[j]==start+i*4+8) |
8760 | temp_is32&=branch_regs[j].is32; |
8761 | } |
8762 | for(j=i;j<slen;j++) |
8763 | { |
8764 | if(ba[j]==start+i*4+8) |
8765 | //temp_is32=1; |
8766 | temp_is32&=p32[j]; |
8767 | } |
8768 | if(temp_is32!=current.is32) { |
8769 | //printf("pre-dumping 32-bit regs (%x)\n",start+i*4); |
8770 | for(hr=0;hr<HOST_REGS;hr++) |
8771 | { |
8772 | int r=current.regmap[hr]; |
8773 | if(r>0) |
8774 | { |
8775 | if((current.dirty>>hr)&((current.is32&~temp_is32)>>(r&63))&1) { |
8776 | if(rs1[i]!=(r&63)&&rs2[i]!=(r&63)&&rs1[i+1]!=(r&63)&&rs2[i+1]!=(r&63)) |
8777 | { |
8778 | //printf("dump %d/r%d\n",hr,r); |
8779 | current.regmap[hr]=-1; |
8780 | if(get_reg(current.regmap,r|64)>=0) |
8781 | current.regmap[get_reg(current.regmap,r|64)]=-1; |
8782 | } |
8783 | } |
8784 | } |
8785 | } |
8786 | } |
8787 | } |
8788 | #endif |
8789 | if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP) { |
8790 | if(i+1<slen) { |
8791 | current.u=unneeded_reg[i+1]&~((1LL<<rs1[i])|(1LL<<rs2[i])); |
8792 | current.uu=unneeded_reg_upper[i+1]&~((1LL<<us1[i])|(1LL<<us2[i])); |
8793 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
8794 | current.u|=1; |
8795 | current.uu|=1; |
8796 | } else { |
8797 | current.u=1; |
8798 | current.uu=1; |
8799 | } |
8800 | } else { |
8801 | if(i+1<slen) { |
8802 | current.u=branch_unneeded_reg[i]&~((1LL<<rs1[i+1])|(1LL<<rs2[i+1])); |
8803 | current.uu=branch_unneeded_reg_upper[i]&~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
8804 | if((~current.uu>>rt1[i+1])&1) current.uu&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1])); |
8805 | current.u&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
8806 | current.uu&=~((1LL<<us1[i])|(1LL<<us2[i])); |
8807 | current.u|=1; |
8808 | current.uu|=1; |
8809 | } else { printf("oops, branch at end of block with no delay slot\n");exit(1); } |
8810 | } |
8811 | is_ds[i]=ds; |
8812 | if(ds) { |
8813 | ds=0; // Skip delay slot, already allocated as part of branch |
8814 | // ...but we need to alloc it in case something jumps here |
8815 | if(i+1<slen) { |
8816 | current.u=branch_unneeded_reg[i-1]&unneeded_reg[i+1]; |
8817 | current.uu=branch_unneeded_reg_upper[i-1]&unneeded_reg_upper[i+1]; |
8818 | }else{ |
8819 | current.u=branch_unneeded_reg[i-1]; |
8820 | current.uu=branch_unneeded_reg_upper[i-1]; |
8821 | } |
8822 | current.u&=~((1LL<<rs1[i])|(1LL<<rs2[i])); |
8823 | current.uu&=~((1LL<<us1[i])|(1LL<<us2[i])); |
8824 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
8825 | current.u|=1; |
8826 | current.uu|=1; |
8827 | struct regstat temp; |
8828 | memcpy(&temp,¤t,sizeof(current)); |
8829 | temp.wasdirty=temp.dirty; |
8830 | temp.was32=temp.is32; |
8831 | // TODO: Take into account unconditional branches, as below |
8832 | delayslot_alloc(&temp,i); |
8833 | memcpy(regs[i].regmap,temp.regmap,sizeof(temp.regmap)); |
8834 | regs[i].wasdirty=temp.wasdirty; |
8835 | regs[i].was32=temp.was32; |
8836 | regs[i].dirty=temp.dirty; |
8837 | regs[i].is32=temp.is32; |
8838 | regs[i].isconst=0; |
8839 | regs[i].wasconst=0; |
8840 | current.isconst=0; |
8841 | // Create entry (branch target) regmap |
8842 | for(hr=0;hr<HOST_REGS;hr++) |
8843 | { |
8844 | int r=temp.regmap[hr]; |
8845 | if(r>=0) { |
8846 | if(r!=regmap_pre[i][hr]) { |
8847 | regs[i].regmap_entry[hr]=-1; |
8848 | } |
8849 | else |
8850 | { |
8851 | if(r<64){ |
8852 | if((current.u>>r)&1) { |
8853 | regs[i].regmap_entry[hr]=-1; |
8854 | regs[i].regmap[hr]=-1; |
8855 | //Don't clear regs in the delay slot as the branch might need them |
8856 | //current.regmap[hr]=-1; |
8857 | }else |
8858 | regs[i].regmap_entry[hr]=r; |
8859 | } |
8860 | else { |
8861 | if((current.uu>>(r&63))&1) { |
8862 | regs[i].regmap_entry[hr]=-1; |
8863 | regs[i].regmap[hr]=-1; |
8864 | //Don't clear regs in the delay slot as the branch might need them |
8865 | //current.regmap[hr]=-1; |
8866 | }else |
8867 | regs[i].regmap_entry[hr]=r; |
8868 | } |
8869 | } |
8870 | } else { |
8871 | // First instruction expects CCREG to be allocated |
8872 | if(i==0&&hr==HOST_CCREG) |
8873 | regs[i].regmap_entry[hr]=CCREG; |
8874 | else |
8875 | regs[i].regmap_entry[hr]=-1; |
8876 | } |
8877 | } |
8878 | } |
8879 | else { // Not delay slot |
8880 | switch(itype[i]) { |
8881 | case UJUMP: |
8882 | //current.isconst=0; // DEBUG |
8883 | //current.wasconst=0; // DEBUG |
8884 | //regs[i].wasconst=0; // DEBUG |
8885 | clear_const(¤t,rt1[i]); |
8886 | alloc_cc(¤t,i); |
8887 | dirty_reg(¤t,CCREG); |
8888 | if (rt1[i]==31) { |
8889 | alloc_reg(¤t,i,31); |
8890 | dirty_reg(¤t,31); |
4ef8f67d |
8891 | //assert(rs1[i+1]!=31&&rs2[i+1]!=31); |
8892 | //assert(rt1[i+1]!=rt1[i]); |
57871462 |
8893 | #ifdef REG_PREFETCH |
8894 | alloc_reg(¤t,i,PTEMP); |
8895 | #endif |
8896 | //current.is32|=1LL<<rt1[i]; |
8897 | } |
269bb29a |
8898 | ooo[i]=1; |
8899 | delayslot_alloc(¤t,i+1); |
57871462 |
8900 | //current.isconst=0; // DEBUG |
8901 | ds=1; |
8902 | //printf("i=%d, isconst=%x\n",i,current.isconst); |
8903 | break; |
8904 | case RJUMP: |
8905 | //current.isconst=0; |
8906 | //current.wasconst=0; |
8907 | //regs[i].wasconst=0; |
8908 | clear_const(¤t,rs1[i]); |
8909 | clear_const(¤t,rt1[i]); |
8910 | alloc_cc(¤t,i); |
8911 | dirty_reg(¤t,CCREG); |
8912 | if(rs1[i]!=rt1[i+1]&&rs1[i]!=rt2[i+1]) { |
8913 | alloc_reg(¤t,i,rs1[i]); |
5067f341 |
8914 | if (rt1[i]!=0) { |
8915 | alloc_reg(¤t,i,rt1[i]); |
8916 | dirty_reg(¤t,rt1[i]); |
68b3faee |
8917 | assert(rs1[i+1]!=rt1[i]&&rs2[i+1]!=rt1[i]); |
076655d1 |
8918 | assert(rt1[i+1]!=rt1[i]); |
57871462 |
8919 | #ifdef REG_PREFETCH |
8920 | alloc_reg(¤t,i,PTEMP); |
8921 | #endif |
8922 | } |
8923 | #ifdef USE_MINI_HT |
8924 | if(rs1[i]==31) { // JALR |
8925 | alloc_reg(¤t,i,RHASH); |
8926 | #ifndef HOST_IMM_ADDR32 |
8927 | alloc_reg(¤t,i,RHTBL); |
8928 | #endif |
8929 | } |
8930 | #endif |
8931 | delayslot_alloc(¤t,i+1); |
8932 | } else { |
8933 | // The delay slot overwrites our source register, |
8934 | // allocate a temporary register to hold the old value. |
8935 | current.isconst=0; |
8936 | current.wasconst=0; |
8937 | regs[i].wasconst=0; |
8938 | delayslot_alloc(¤t,i+1); |
8939 | current.isconst=0; |
8940 | alloc_reg(¤t,i,RTEMP); |
8941 | } |
8942 | //current.isconst=0; // DEBUG |
e1190b87 |
8943 | ooo[i]=1; |
57871462 |
8944 | ds=1; |
8945 | break; |
8946 | case CJUMP: |
8947 | //current.isconst=0; |
8948 | //current.wasconst=0; |
8949 | //regs[i].wasconst=0; |
8950 | clear_const(¤t,rs1[i]); |
8951 | clear_const(¤t,rs2[i]); |
8952 | if((opcode[i]&0x3E)==4) // BEQ/BNE |
8953 | { |
8954 | alloc_cc(¤t,i); |
8955 | dirty_reg(¤t,CCREG); |
8956 | if(rs1[i]) alloc_reg(¤t,i,rs1[i]); |
8957 | if(rs2[i]) alloc_reg(¤t,i,rs2[i]); |
8958 | if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1)) |
8959 | { |
8960 | if(rs1[i]) alloc_reg64(¤t,i,rs1[i]); |
8961 | if(rs2[i]) alloc_reg64(¤t,i,rs2[i]); |
8962 | } |
8963 | if((rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1]))|| |
8964 | (rs2[i]&&(rs2[i]==rt1[i+1]||rs2[i]==rt2[i+1]))) { |
8965 | // The delay slot overwrites one of our conditions. |
8966 | // Allocate the branch condition registers instead. |
57871462 |
8967 | current.isconst=0; |
8968 | current.wasconst=0; |
8969 | regs[i].wasconst=0; |
8970 | if(rs1[i]) alloc_reg(¤t,i,rs1[i]); |
8971 | if(rs2[i]) alloc_reg(¤t,i,rs2[i]); |
8972 | if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1)) |
8973 | { |
8974 | if(rs1[i]) alloc_reg64(¤t,i,rs1[i]); |
8975 | if(rs2[i]) alloc_reg64(¤t,i,rs2[i]); |
8976 | } |
8977 | } |
e1190b87 |
8978 | else |
8979 | { |
8980 | ooo[i]=1; |
8981 | delayslot_alloc(¤t,i+1); |
8982 | } |
57871462 |
8983 | } |
8984 | else |
8985 | if((opcode[i]&0x3E)==6) // BLEZ/BGTZ |
8986 | { |
8987 | alloc_cc(¤t,i); |
8988 | dirty_reg(¤t,CCREG); |
8989 | alloc_reg(¤t,i,rs1[i]); |
8990 | if(!(current.is32>>rs1[i]&1)) |
8991 | { |
8992 | alloc_reg64(¤t,i,rs1[i]); |
8993 | } |
8994 | if(rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1])) { |
8995 | // The delay slot overwrites one of our conditions. |
8996 | // Allocate the branch condition registers instead. |
57871462 |
8997 | current.isconst=0; |
8998 | current.wasconst=0; |
8999 | regs[i].wasconst=0; |
9000 | if(rs1[i]) alloc_reg(¤t,i,rs1[i]); |
9001 | if(!((current.is32>>rs1[i])&1)) |
9002 | { |
9003 | if(rs1[i]) alloc_reg64(¤t,i,rs1[i]); |
9004 | } |
9005 | } |
e1190b87 |
9006 | else |
9007 | { |
9008 | ooo[i]=1; |
9009 | delayslot_alloc(¤t,i+1); |
9010 | } |
57871462 |
9011 | } |
9012 | else |
9013 | // Don't alloc the delay slot yet because we might not execute it |
9014 | if((opcode[i]&0x3E)==0x14) // BEQL/BNEL |
9015 | { |
9016 | current.isconst=0; |
9017 | current.wasconst=0; |
9018 | regs[i].wasconst=0; |
9019 | alloc_cc(¤t,i); |
9020 | dirty_reg(¤t,CCREG); |
9021 | alloc_reg(¤t,i,rs1[i]); |
9022 | alloc_reg(¤t,i,rs2[i]); |
9023 | if(!((current.is32>>rs1[i])&(current.is32>>rs2[i])&1)) |
9024 | { |
9025 | alloc_reg64(¤t,i,rs1[i]); |
9026 | alloc_reg64(¤t,i,rs2[i]); |
9027 | } |
9028 | } |
9029 | else |
9030 | if((opcode[i]&0x3E)==0x16) // BLEZL/BGTZL |
9031 | { |
9032 | current.isconst=0; |
9033 | current.wasconst=0; |
9034 | regs[i].wasconst=0; |
9035 | alloc_cc(¤t,i); |
9036 | dirty_reg(¤t,CCREG); |
9037 | alloc_reg(¤t,i,rs1[i]); |
9038 | if(!(current.is32>>rs1[i]&1)) |
9039 | { |
9040 | alloc_reg64(¤t,i,rs1[i]); |
9041 | } |
9042 | } |
9043 | ds=1; |
9044 | //current.isconst=0; |
9045 | break; |
9046 | case SJUMP: |
9047 | //current.isconst=0; |
9048 | //current.wasconst=0; |
9049 | //regs[i].wasconst=0; |
9050 | clear_const(¤t,rs1[i]); |
9051 | clear_const(¤t,rt1[i]); |
9052 | //if((opcode2[i]&0x1E)==0x0) // BLTZ/BGEZ |
9053 | if((opcode2[i]&0x0E)==0x0) // BLTZ/BGEZ |
9054 | { |
9055 | alloc_cc(¤t,i); |
9056 | dirty_reg(¤t,CCREG); |
9057 | alloc_reg(¤t,i,rs1[i]); |
9058 | if(!(current.is32>>rs1[i]&1)) |
9059 | { |
9060 | alloc_reg64(¤t,i,rs1[i]); |
9061 | } |
9062 | if (rt1[i]==31) { // BLTZAL/BGEZAL |
9063 | alloc_reg(¤t,i,31); |
9064 | dirty_reg(¤t,31); |
57871462 |
9065 | //#ifdef REG_PREFETCH |
9066 | //alloc_reg(¤t,i,PTEMP); |
9067 | //#endif |
9068 | //current.is32|=1LL<<rt1[i]; |
9069 | } |
e1190b87 |
9070 | if((rs1[i]&&(rs1[i]==rt1[i+1]||rs1[i]==rt2[i+1])) // The delay slot overwrites the branch condition. |
9071 | ||(rt1[i]==31&&(rs1[i+1]==31||rs2[i+1]==31||rt1[i+1]==31||rt2[i+1]==31))) { // DS touches $ra |
57871462 |
9072 | // Allocate the branch condition registers instead. |
57871462 |
9073 | current.isconst=0; |
9074 | current.wasconst=0; |
9075 | regs[i].wasconst=0; |
9076 | if(rs1[i]) alloc_reg(¤t,i,rs1[i]); |
9077 | if(!((current.is32>>rs1[i])&1)) |
9078 | { |
9079 | if(rs1[i]) alloc_reg64(¤t,i,rs1[i]); |
9080 | } |
9081 | } |
e1190b87 |
9082 | else |
9083 | { |
9084 | ooo[i]=1; |
9085 | delayslot_alloc(¤t,i+1); |
9086 | } |
57871462 |
9087 | } |
9088 | else |
9089 | // Don't alloc the delay slot yet because we might not execute it |
9090 | if((opcode2[i]&0x1E)==0x2) // BLTZL/BGEZL |
9091 | { |
9092 | current.isconst=0; |
9093 | current.wasconst=0; |
9094 | regs[i].wasconst=0; |
9095 | alloc_cc(¤t,i); |
9096 | dirty_reg(¤t,CCREG); |
9097 | alloc_reg(¤t,i,rs1[i]); |
9098 | if(!(current.is32>>rs1[i]&1)) |
9099 | { |
9100 | alloc_reg64(¤t,i,rs1[i]); |
9101 | } |
9102 | } |
9103 | ds=1; |
9104 | //current.isconst=0; |
9105 | break; |
9106 | case FJUMP: |
9107 | current.isconst=0; |
9108 | current.wasconst=0; |
9109 | regs[i].wasconst=0; |
9110 | if(likely[i]==0) // BC1F/BC1T |
9111 | { |
9112 | // TODO: Theoretically we can run out of registers here on x86. |
9113 | // The delay slot can allocate up to six, and we need to check |
9114 | // CSREG before executing the delay slot. Possibly we can drop |
9115 | // the cycle count and then reload it after checking that the |
9116 | // FPU is in a usable state, or don't do out-of-order execution. |
9117 | alloc_cc(¤t,i); |
9118 | dirty_reg(¤t,CCREG); |
9119 | alloc_reg(¤t,i,FSREG); |
9120 | alloc_reg(¤t,i,CSREG); |
9121 | if(itype[i+1]==FCOMP) { |
9122 | // The delay slot overwrites the branch condition. |
9123 | // Allocate the branch condition registers instead. |
57871462 |
9124 | alloc_cc(¤t,i); |
9125 | dirty_reg(¤t,CCREG); |
9126 | alloc_reg(¤t,i,CSREG); |
9127 | alloc_reg(¤t,i,FSREG); |
9128 | } |
9129 | else { |
e1190b87 |
9130 | ooo[i]=1; |
57871462 |
9131 | delayslot_alloc(¤t,i+1); |
9132 | alloc_reg(¤t,i+1,CSREG); |
9133 | } |
9134 | } |
9135 | else |
9136 | // Don't alloc the delay slot yet because we might not execute it |
9137 | if(likely[i]) // BC1FL/BC1TL |
9138 | { |
9139 | alloc_cc(¤t,i); |
9140 | dirty_reg(¤t,CCREG); |
9141 | alloc_reg(¤t,i,CSREG); |
9142 | alloc_reg(¤t,i,FSREG); |
9143 | } |
9144 | ds=1; |
9145 | current.isconst=0; |
9146 | break; |
9147 | case IMM16: |
9148 | imm16_alloc(¤t,i); |
9149 | break; |
9150 | case LOAD: |
9151 | case LOADLR: |
9152 | load_alloc(¤t,i); |
9153 | break; |
9154 | case STORE: |
9155 | case STORELR: |
9156 | store_alloc(¤t,i); |
9157 | break; |
9158 | case ALU: |
9159 | alu_alloc(¤t,i); |
9160 | break; |
9161 | case SHIFT: |
9162 | shift_alloc(¤t,i); |
9163 | break; |
9164 | case MULTDIV: |
9165 | multdiv_alloc(¤t,i); |
9166 | break; |
9167 | case SHIFTIMM: |
9168 | shiftimm_alloc(¤t,i); |
9169 | break; |
9170 | case MOV: |
9171 | mov_alloc(¤t,i); |
9172 | break; |
9173 | case COP0: |
9174 | cop0_alloc(¤t,i); |
9175 | break; |
9176 | case COP1: |
b9b61529 |
9177 | case COP2: |
57871462 |
9178 | cop1_alloc(¤t,i); |
9179 | break; |
9180 | case C1LS: |
9181 | c1ls_alloc(¤t,i); |
9182 | break; |
b9b61529 |
9183 | case C2LS: |
9184 | c2ls_alloc(¤t,i); |
9185 | break; |
9186 | case C2OP: |
9187 | c2op_alloc(¤t,i); |
9188 | break; |
57871462 |
9189 | case FCONV: |
9190 | fconv_alloc(¤t,i); |
9191 | break; |
9192 | case FLOAT: |
9193 | float_alloc(¤t,i); |
9194 | break; |
9195 | case FCOMP: |
9196 | fcomp_alloc(¤t,i); |
9197 | break; |
9198 | case SYSCALL: |
7139f3c8 |
9199 | case HLECALL: |
1e973cb0 |
9200 | case INTCALL: |
57871462 |
9201 | syscall_alloc(¤t,i); |
9202 | break; |
9203 | case SPAN: |
9204 | pagespan_alloc(¤t,i); |
9205 | break; |
9206 | } |
9207 | |
9208 | // Drop the upper half of registers that have become 32-bit |
9209 | current.uu|=current.is32&((1LL<<rt1[i])|(1LL<<rt2[i])); |
9210 | if(itype[i]!=UJUMP&&itype[i]!=CJUMP&&itype[i]!=SJUMP&&itype[i]!=RJUMP&&itype[i]!=FJUMP) { |
9211 | current.uu&=~((1LL<<us1[i])|(1LL<<us2[i])); |
9212 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
9213 | current.uu|=1; |
9214 | } else { |
9215 | current.uu|=current.is32&((1LL<<rt1[i+1])|(1LL<<rt2[i+1])); |
9216 | current.uu&=~((1LL<<us1[i+1])|(1LL<<us2[i+1])); |
9217 | if((~current.uu>>rt1[i+1])&1) current.uu&=~((1LL<<dep1[i+1])|(1LL<<dep2[i+1])); |
9218 | current.uu&=~((1LL<<us1[i])|(1LL<<us2[i])); |
9219 | current.uu|=1; |
9220 | } |
9221 | |
9222 | // Create entry (branch target) regmap |
9223 | for(hr=0;hr<HOST_REGS;hr++) |
9224 | { |
9225 | int r,or,er; |
9226 | r=current.regmap[hr]; |
9227 | if(r>=0) { |
9228 | if(r!=regmap_pre[i][hr]) { |
9229 | // TODO: delay slot (?) |
9230 | or=get_reg(regmap_pre[i],r); // Get old mapping for this register |
9231 | if(or<0||(r&63)>=TEMPREG){ |
9232 | regs[i].regmap_entry[hr]=-1; |
9233 | } |
9234 | else |
9235 | { |
9236 | // Just move it to a different register |
9237 | regs[i].regmap_entry[hr]=r; |
9238 | // If it was dirty before, it's still dirty |
9239 | if((regs[i].wasdirty>>or)&1) dirty_reg(¤t,r&63); |
9240 | } |
9241 | } |
9242 | else |
9243 | { |
9244 | // Unneeded |
9245 | if(r==0){ |
9246 | regs[i].regmap_entry[hr]=0; |
9247 | } |
9248 | else |
9249 | if(r<64){ |
9250 | if((current.u>>r)&1) { |
9251 | regs[i].regmap_entry[hr]=-1; |
9252 | //regs[i].regmap[hr]=-1; |
9253 | current.regmap[hr]=-1; |
9254 | }else |
9255 | regs[i].regmap_entry[hr]=r; |
9256 | } |
9257 | else { |
9258 | if((current.uu>>(r&63))&1) { |
9259 | regs[i].regmap_entry[hr]=-1; |
9260 | //regs[i].regmap[hr]=-1; |
9261 | current.regmap[hr]=-1; |
9262 | }else |
9263 | regs[i].regmap_entry[hr]=r; |
9264 | } |
9265 | } |
9266 | } else { |
9267 | // Branches expect CCREG to be allocated at the target |
9268 | if(regmap_pre[i][hr]==CCREG) |
9269 | regs[i].regmap_entry[hr]=CCREG; |
9270 | else |
9271 | regs[i].regmap_entry[hr]=-1; |
9272 | } |
9273 | } |
9274 | memcpy(regs[i].regmap,current.regmap,sizeof(current.regmap)); |
9275 | } |
9276 | /* Branch post-alloc */ |
9277 | if(i>0) |
9278 | { |
9279 | current.was32=current.is32; |
9280 | current.wasdirty=current.dirty; |
9281 | switch(itype[i-1]) { |
9282 | case UJUMP: |
9283 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9284 | branch_regs[i-1].isconst=0; |
9285 | branch_regs[i-1].wasconst=0; |
9286 | branch_regs[i-1].u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1])); |
9287 | branch_regs[i-1].uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1])); |
9288 | alloc_cc(&branch_regs[i-1],i-1); |
9289 | dirty_reg(&branch_regs[i-1],CCREG); |
9290 | if(rt1[i-1]==31) { // JAL |
9291 | alloc_reg(&branch_regs[i-1],i-1,31); |
9292 | dirty_reg(&branch_regs[i-1],31); |
9293 | branch_regs[i-1].is32|=1LL<<31; |
9294 | } |
9295 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9296 | memcpy(constmap[i],constmap[i-1],sizeof(current.constmap)); |
9297 | break; |
9298 | case RJUMP: |
9299 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9300 | branch_regs[i-1].isconst=0; |
9301 | branch_regs[i-1].wasconst=0; |
9302 | branch_regs[i-1].u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1])); |
9303 | branch_regs[i-1].uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1])); |
9304 | alloc_cc(&branch_regs[i-1],i-1); |
9305 | dirty_reg(&branch_regs[i-1],CCREG); |
9306 | alloc_reg(&branch_regs[i-1],i-1,rs1[i-1]); |
5067f341 |
9307 | if(rt1[i-1]!=0) { // JALR |
9308 | alloc_reg(&branch_regs[i-1],i-1,rt1[i-1]); |
9309 | dirty_reg(&branch_regs[i-1],rt1[i-1]); |
9310 | branch_regs[i-1].is32|=1LL<<rt1[i-1]; |
57871462 |
9311 | } |
9312 | #ifdef USE_MINI_HT |
9313 | if(rs1[i-1]==31) { // JALR |
9314 | alloc_reg(&branch_regs[i-1],i-1,RHASH); |
9315 | #ifndef HOST_IMM_ADDR32 |
9316 | alloc_reg(&branch_regs[i-1],i-1,RHTBL); |
9317 | #endif |
9318 | } |
9319 | #endif |
9320 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9321 | memcpy(constmap[i],constmap[i-1],sizeof(current.constmap)); |
9322 | break; |
9323 | case CJUMP: |
9324 | if((opcode[i-1]&0x3E)==4) // BEQ/BNE |
9325 | { |
9326 | alloc_cc(¤t,i-1); |
9327 | dirty_reg(¤t,CCREG); |
9328 | if((rs1[i-1]&&(rs1[i-1]==rt1[i]||rs1[i-1]==rt2[i]))|| |
9329 | (rs2[i-1]&&(rs2[i-1]==rt1[i]||rs2[i-1]==rt2[i]))) { |
9330 | // The delay slot overwrote one of our conditions |
9331 | // Delay slot goes after the test (in order) |
9332 | current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])); |
9333 | current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])); |
9334 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
9335 | current.u|=1; |
9336 | current.uu|=1; |
9337 | delayslot_alloc(¤t,i); |
9338 | current.isconst=0; |
9339 | } |
9340 | else |
9341 | { |
9342 | current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i-1])|(1LL<<rs2[i-1])); |
9343 | current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i-1])|(1LL<<us2[i-1])); |
9344 | // Alloc the branch condition registers |
9345 | if(rs1[i-1]) alloc_reg(¤t,i-1,rs1[i-1]); |
9346 | if(rs2[i-1]) alloc_reg(¤t,i-1,rs2[i-1]); |
9347 | if(!((current.is32>>rs1[i-1])&(current.is32>>rs2[i-1])&1)) |
9348 | { |
9349 | if(rs1[i-1]) alloc_reg64(¤t,i-1,rs1[i-1]); |
9350 | if(rs2[i-1]) alloc_reg64(¤t,i-1,rs2[i-1]); |
9351 | } |
9352 | } |
9353 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9354 | branch_regs[i-1].isconst=0; |
9355 | branch_regs[i-1].wasconst=0; |
9356 | memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap)); |
9357 | memcpy(constmap[i],constmap[i-1],sizeof(current.constmap)); |
9358 | } |
9359 | else |
9360 | if((opcode[i-1]&0x3E)==6) // BLEZ/BGTZ |
9361 | { |
9362 | alloc_cc(¤t,i-1); |
9363 | dirty_reg(¤t,CCREG); |
9364 | if(rs1[i-1]==rt1[i]||rs1[i-1]==rt2[i]) { |
9365 | // The delay slot overwrote the branch condition |
9366 | // Delay slot goes after the test (in order) |
9367 | current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])); |
9368 | current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])); |
9369 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
9370 | current.u|=1; |
9371 | current.uu|=1; |
9372 | delayslot_alloc(¤t,i); |
9373 | current.isconst=0; |
9374 | } |
9375 | else |
9376 | { |
9377 | current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]); |
9378 | current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]); |
9379 | // Alloc the branch condition register |
9380 | alloc_reg(¤t,i-1,rs1[i-1]); |
9381 | if(!(current.is32>>rs1[i-1]&1)) |
9382 | { |
9383 | alloc_reg64(¤t,i-1,rs1[i-1]); |
9384 | } |
9385 | } |
9386 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9387 | branch_regs[i-1].isconst=0; |
9388 | branch_regs[i-1].wasconst=0; |
9389 | memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap)); |
9390 | memcpy(constmap[i],constmap[i-1],sizeof(current.constmap)); |
9391 | } |
9392 | else |
9393 | // Alloc the delay slot in case the branch is taken |
9394 | if((opcode[i-1]&0x3E)==0x14) // BEQL/BNEL |
9395 | { |
9396 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9397 | branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9398 | branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9399 | if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1; |
9400 | alloc_cc(&branch_regs[i-1],i); |
9401 | dirty_reg(&branch_regs[i-1],CCREG); |
9402 | delayslot_alloc(&branch_regs[i-1],i); |
9403 | branch_regs[i-1].isconst=0; |
9404 | alloc_reg(¤t,i,CCREG); // Not taken path |
9405 | dirty_reg(¤t,CCREG); |
9406 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9407 | } |
9408 | else |
9409 | if((opcode[i-1]&0x3E)==0x16) // BLEZL/BGTZL |
9410 | { |
9411 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9412 | branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9413 | branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9414 | if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1; |
9415 | alloc_cc(&branch_regs[i-1],i); |
9416 | dirty_reg(&branch_regs[i-1],CCREG); |
9417 | delayslot_alloc(&branch_regs[i-1],i); |
9418 | branch_regs[i-1].isconst=0; |
9419 | alloc_reg(¤t,i,CCREG); // Not taken path |
9420 | dirty_reg(¤t,CCREG); |
9421 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9422 | } |
9423 | break; |
9424 | case SJUMP: |
9425 | //if((opcode2[i-1]&0x1E)==0) // BLTZ/BGEZ |
9426 | if((opcode2[i-1]&0x0E)==0) // BLTZ/BGEZ |
9427 | { |
9428 | alloc_cc(¤t,i-1); |
9429 | dirty_reg(¤t,CCREG); |
9430 | if(rs1[i-1]==rt1[i]||rs1[i-1]==rt2[i]) { |
9431 | // The delay slot overwrote the branch condition |
9432 | // Delay slot goes after the test (in order) |
9433 | current.u=branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])); |
9434 | current.uu=branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])); |
9435 | if((~current.uu>>rt1[i])&1) current.uu&=~((1LL<<dep1[i])|(1LL<<dep2[i])); |
9436 | current.u|=1; |
9437 | current.uu|=1; |
9438 | delayslot_alloc(¤t,i); |
9439 | current.isconst=0; |
9440 | } |
9441 | else |
9442 | { |
9443 | current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]); |
9444 | current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]); |
9445 | // Alloc the branch condition register |
9446 | alloc_reg(¤t,i-1,rs1[i-1]); |
9447 | if(!(current.is32>>rs1[i-1]&1)) |
9448 | { |
9449 | alloc_reg64(¤t,i-1,rs1[i-1]); |
9450 | } |
9451 | } |
9452 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9453 | branch_regs[i-1].isconst=0; |
9454 | branch_regs[i-1].wasconst=0; |
9455 | memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap)); |
9456 | memcpy(constmap[i],constmap[i-1],sizeof(current.constmap)); |
9457 | } |
9458 | else |
9459 | // Alloc the delay slot in case the branch is taken |
9460 | if((opcode2[i-1]&0x1E)==2) // BLTZL/BGEZL |
9461 | { |
9462 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9463 | branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9464 | branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9465 | if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1; |
9466 | alloc_cc(&branch_regs[i-1],i); |
9467 | dirty_reg(&branch_regs[i-1],CCREG); |
9468 | delayslot_alloc(&branch_regs[i-1],i); |
9469 | branch_regs[i-1].isconst=0; |
9470 | alloc_reg(¤t,i,CCREG); // Not taken path |
9471 | dirty_reg(¤t,CCREG); |
9472 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9473 | } |
9474 | // FIXME: BLTZAL/BGEZAL |
9475 | if(opcode2[i-1]&0x10) { // BxxZAL |
9476 | alloc_reg(&branch_regs[i-1],i-1,31); |
9477 | dirty_reg(&branch_regs[i-1],31); |
9478 | branch_regs[i-1].is32|=1LL<<31; |
9479 | } |
9480 | break; |
9481 | case FJUMP: |
9482 | if(likely[i-1]==0) // BC1F/BC1T |
9483 | { |
9484 | alloc_cc(¤t,i-1); |
9485 | dirty_reg(¤t,CCREG); |
9486 | if(itype[i]==FCOMP) { |
9487 | // The delay slot overwrote the branch condition |
9488 | // Delay slot goes after the test (in order) |
9489 | delayslot_alloc(¤t,i); |
9490 | current.isconst=0; |
9491 | } |
9492 | else |
9493 | { |
9494 | current.u=branch_unneeded_reg[i-1]&~(1LL<<rs1[i-1]); |
9495 | current.uu=branch_unneeded_reg_upper[i-1]&~(1LL<<us1[i-1]); |
9496 | // Alloc the branch condition register |
9497 | alloc_reg(¤t,i-1,FSREG); |
9498 | } |
9499 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9500 | memcpy(&branch_regs[i-1].regmap_entry,¤t.regmap,sizeof(current.regmap)); |
9501 | } |
9502 | else // BC1FL/BC1TL |
9503 | { |
9504 | // Alloc the delay slot in case the branch is taken |
9505 | memcpy(&branch_regs[i-1],¤t,sizeof(current)); |
9506 | branch_regs[i-1].u=(branch_unneeded_reg[i-1]&~((1LL<<rs1[i])|(1LL<<rs2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9507 | branch_regs[i-1].uu=(branch_unneeded_reg_upper[i-1]&~((1LL<<us1[i])|(1LL<<us2[i])|(1LL<<rt1[i])|(1LL<<rt2[i])))|1; |
9508 | if((~branch_regs[i-1].uu>>rt1[i])&1) branch_regs[i-1].uu&=~((1LL<<dep1[i])|(1LL<<dep2[i]))|1; |
9509 | alloc_cc(&branch_regs[i-1],i); |
9510 | dirty_reg(&branch_regs[i-1],CCREG); |
9511 | delayslot_alloc(&branch_regs[i-1],i); |
9512 | branch_regs[i-1].isconst=0; |
9513 | alloc_reg(¤t,i,CCREG); // Not taken path |
9514 | dirty_reg(¤t,CCREG); |
9515 | memcpy(&branch_regs[i-1].regmap_entry,&branch_regs[i-1].regmap,sizeof(current.regmap)); |
9516 | } |
9517 | break; |
9518 | } |
9519 | |
9520 | if(itype[i-1]==UJUMP||itype[i-1]==RJUMP||(source[i-1]>>16)==0x1000) |
9521 | { |
9522 | if(rt1[i-1]==31) // JAL/JALR |
9523 | { |
9524 | // Subroutine call will return here, don't alloc any registers |
9525 | current.is32=1; |
9526 | current.dirty=0; |
9527 | clear_all_regs(current.regmap); |
9528 | alloc_reg(¤t,i,CCREG); |
9529 | dirty_reg(¤t,CCREG); |
9530 | } |
9531 | else if(i+1<slen) |
9532 | { |
9533 | // Internal branch will jump here, match registers to caller |
9534 | current.is32=0x3FFFFFFFFLL; |
9535 | current.dirty=0; |
9536 | clear_all_regs(current.regmap); |
9537 | alloc_reg(¤t,i,CCREG); |
9538 | dirty_reg(¤t,CCREG); |
9539 | for(j=i-1;j>=0;j--) |
9540 | { |
9541 | if(ba[j]==start+i*4+4) { |
9542 | memcpy(current.regmap,branch_regs[j].regmap,sizeof(current.regmap)); |
9543 | current.is32=branch_regs[j].is32; |
9544 | current.dirty=branch_regs[j].dirty; |
9545 | break; |
9546 | } |
9547 | } |
9548 | while(j>=0) { |
9549 | if(ba[j]==start+i*4+4) { |
9550 | for(hr=0;hr<HOST_REGS;hr++) { |
9551 | if(current.regmap[hr]!=branch_regs[j].regmap[hr]) { |
9552 | current.regmap[hr]=-1; |
9553 | } |
9554 | current.is32&=branch_regs[j].is32; |
9555 | current.dirty&=branch_regs[j].dirty; |
9556 | } |
9557 | } |
9558 | j--; |
9559 | } |
9560 | } |
9561 | } |
9562 | } |
9563 | |
9564 | // Count cycles in between branches |
9565 | ccadj[i]=cc; |
7139f3c8 |
9566 | if(i>0&&(itype[i-1]==RJUMP||itype[i-1]==UJUMP||itype[i-1]==CJUMP||itype[i-1]==SJUMP||itype[i-1]==FJUMP||itype[i]==SYSCALL||itype[i]==HLECALL)) |
57871462 |
9567 | { |
9568 | cc=0; |
9569 | } |
fb407447 |
9570 | #ifdef PCSX |
9571 | else if(/*itype[i]==LOAD||*/itype[i]==STORE||itype[i]==C1LS) // load causes weird timing issues |
9572 | { |
9573 | cc+=2; // 2 cycle penalty (after CLOCK_DIVIDER) |
9574 | } |
9575 | else if(itype[i]==C2LS) |
9576 | { |
9577 | cc+=4; |
9578 | } |
9579 | #endif |
57871462 |
9580 | else |
9581 | { |
9582 | cc++; |
9583 | } |
9584 | |
9585 | flush_dirty_uppers(¤t); |
9586 | if(!is_ds[i]) { |
9587 | regs[i].is32=current.is32; |
9588 | regs[i].dirty=current.dirty; |
9589 | regs[i].isconst=current.isconst; |
9590 | memcpy(constmap[i],current.constmap,sizeof(current.constmap)); |
9591 | } |
9592 | for(hr=0;hr<HOST_REGS;hr++) { |
9593 | if(hr!=EXCLUDE_REG&®s[i].regmap[hr]>=0) { |
9594 | if(regmap_pre[i][hr]!=regs[i].regmap[hr]) { |
9595 | regs[i].wasconst&=~(1<<hr); |
9596 | } |
9597 | } |
9598 | } |
9599 | if(current.regmap[HOST_BTREG]==BTREG) current.regmap[HOST_BTREG]=-1; |
9600 | } |
9601 | |
9602 | /* Pass 4 - Cull unused host registers */ |
9603 | |
9604 | uint64_t nr=0; |
9605 | |
9606 | for (i=slen-1;i>=0;i--) |
9607 | { |
9608 | int hr; |
9609 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
9610 | { |
9611 | if(ba[i]<start || ba[i]>=(start+slen*4)) |
9612 | { |
9613 | // Branch out of this block, don't need anything |
9614 | nr=0; |
9615 | } |
9616 | else |
9617 | { |
9618 | // Internal branch |
9619 | // Need whatever matches the target |
9620 | nr=0; |
9621 | int t=(ba[i]-start)>>2; |
9622 | for(hr=0;hr<HOST_REGS;hr++) |
9623 | { |
9624 | if(regs[i].regmap_entry[hr]>=0) { |
9625 | if(regs[i].regmap_entry[hr]==regs[t].regmap_entry[hr]) nr|=1<<hr; |
9626 | } |
9627 | } |
9628 | } |
9629 | // Conditional branch may need registers for following instructions |
9630 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) |
9631 | { |
9632 | if(i<slen-2) { |
9633 | nr|=needed_reg[i+2]; |
9634 | for(hr=0;hr<HOST_REGS;hr++) |
9635 | { |
9636 | if(regmap_pre[i+2][hr]>=0&&get_reg(regs[i+2].regmap_entry,regmap_pre[i+2][hr])<0) nr&=~(1<<hr); |
9637 | //if((regmap_entry[i+2][hr])>=0) if(!((nr>>hr)&1)) printf("%x-bogus(%d=%d)\n",start+i*4,hr,regmap_entry[i+2][hr]); |
9638 | } |
9639 | } |
9640 | } |
9641 | // Don't need stuff which is overwritten |
f5955059 |
9642 | //if(regs[i].regmap[hr]!=regmap_pre[i][hr]) nr&=~(1<<hr); |
9643 | //if(regs[i].regmap[hr]<0) nr&=~(1<<hr); |
57871462 |
9644 | // Merge in delay slot |
9645 | for(hr=0;hr<HOST_REGS;hr++) |
9646 | { |
9647 | if(!likely[i]) { |
9648 | // These are overwritten unless the branch is "likely" |
9649 | // and the delay slot is nullified if not taken |
9650 | if(rt1[i+1]&&rt1[i+1]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr); |
9651 | if(rt2[i+1]&&rt2[i+1]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr); |
9652 | } |
9653 | if(us1[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9654 | if(us2[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9655 | if(rs1[i+1]==regmap_pre[i][hr]) nr|=1<<hr; |
9656 | if(rs2[i+1]==regmap_pre[i][hr]) nr|=1<<hr; |
9657 | if(us1[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9658 | if(us2[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9659 | if(rs1[i+1]==regs[i].regmap_entry[hr]) nr|=1<<hr; |
9660 | if(rs2[i+1]==regs[i].regmap_entry[hr]) nr|=1<<hr; |
9661 | if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1)) { |
9662 | if(dep1[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9663 | if(dep2[i+1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9664 | } |
9665 | if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1)) { |
9666 | if(dep1[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9667 | if(dep2[i+1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9668 | } |
b9b61529 |
9669 | if(itype[i+1]==STORE || itype[i+1]==STORELR || (opcode[i+1]&0x3b)==0x39 || (opcode[i+1]&0x3b)==0x3a) { |
57871462 |
9670 | if(regmap_pre[i][hr]==INVCP) nr|=1<<hr; |
9671 | if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr; |
9672 | } |
9673 | } |
9674 | } |
1e973cb0 |
9675 | else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL) |
57871462 |
9676 | { |
9677 | // SYSCALL instruction (software interrupt) |
9678 | nr=0; |
9679 | } |
9680 | else if(itype[i]==COP0 && (source[i]&0x3f)==0x18) |
9681 | { |
9682 | // ERET instruction (return from interrupt) |
9683 | nr=0; |
9684 | } |
9685 | else // Non-branch |
9686 | { |
9687 | if(i<slen-1) { |
9688 | for(hr=0;hr<HOST_REGS;hr++) { |
9689 | if(regmap_pre[i+1][hr]>=0&&get_reg(regs[i+1].regmap_entry,regmap_pre[i+1][hr])<0) nr&=~(1<<hr); |
9690 | if(regs[i].regmap[hr]!=regmap_pre[i+1][hr]) nr&=~(1<<hr); |
9691 | if(regs[i].regmap[hr]!=regmap_pre[i][hr]) nr&=~(1<<hr); |
9692 | if(regs[i].regmap[hr]<0) nr&=~(1<<hr); |
9693 | } |
9694 | } |
9695 | } |
9696 | for(hr=0;hr<HOST_REGS;hr++) |
9697 | { |
9698 | // Overwritten registers are not needed |
9699 | if(rt1[i]&&rt1[i]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr); |
9700 | if(rt2[i]&&rt2[i]==(regs[i].regmap[hr]&63)) nr&=~(1<<hr); |
9701 | if(FTEMP==(regs[i].regmap[hr]&63)) nr&=~(1<<hr); |
9702 | // Source registers are needed |
9703 | if(us1[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9704 | if(us2[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9705 | if(rs1[i]==regmap_pre[i][hr]) nr|=1<<hr; |
9706 | if(rs2[i]==regmap_pre[i][hr]) nr|=1<<hr; |
9707 | if(us1[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9708 | if(us2[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9709 | if(rs1[i]==regs[i].regmap_entry[hr]) nr|=1<<hr; |
9710 | if(rs2[i]==regs[i].regmap_entry[hr]) nr|=1<<hr; |
9711 | if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1)) { |
9712 | if(dep1[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9713 | if(dep1[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9714 | } |
9715 | if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1)) { |
9716 | if(dep2[i]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9717 | if(dep2[i]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9718 | } |
b9b61529 |
9719 | if(itype[i]==STORE || itype[i]==STORELR || (opcode[i]&0x3b)==0x39 || (opcode[i]&0x3b)==0x3a) { |
57871462 |
9720 | if(regmap_pre[i][hr]==INVCP) nr|=1<<hr; |
9721 | if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr; |
9722 | } |
9723 | // Don't store a register immediately after writing it, |
9724 | // may prevent dual-issue. |
9725 | // But do so if this is a branch target, otherwise we |
9726 | // might have to load the register before the branch. |
9727 | if(i>0&&!bt[i]&&((regs[i].wasdirty>>hr)&1)) { |
9728 | if((regmap_pre[i][hr]>0&®map_pre[i][hr]<64&&!((unneeded_reg[i]>>regmap_pre[i][hr])&1)) || |
9729 | (regmap_pre[i][hr]>64&&!((unneeded_reg_upper[i]>>(regmap_pre[i][hr]&63))&1)) ) { |
9730 | if(rt1[i-1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9731 | if(rt2[i-1]==(regmap_pre[i][hr]&63)) nr|=1<<hr; |
9732 | } |
9733 | if((regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64&&!((unneeded_reg[i]>>regs[i].regmap_entry[hr])&1)) || |
9734 | (regs[i].regmap_entry[hr]>64&&!((unneeded_reg_upper[i]>>(regs[i].regmap_entry[hr]&63))&1)) ) { |
9735 | if(rt1[i-1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9736 | if(rt2[i-1]==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr; |
9737 | } |
9738 | } |
9739 | } |
9740 | // Cycle count is needed at branches. Assume it is needed at the target too. |
9741 | if(i==0||bt[i]||itype[i]==CJUMP||itype[i]==FJUMP||itype[i]==SPAN) { |
9742 | if(regmap_pre[i][HOST_CCREG]==CCREG) nr|=1<<HOST_CCREG; |
9743 | if(regs[i].regmap_entry[HOST_CCREG]==CCREG) nr|=1<<HOST_CCREG; |
9744 | } |
9745 | // Save it |
9746 | needed_reg[i]=nr; |
9747 | |
9748 | // Deallocate unneeded registers |
9749 | for(hr=0;hr<HOST_REGS;hr++) |
9750 | { |
9751 | if(!((nr>>hr)&1)) { |
9752 | if(regs[i].regmap_entry[hr]!=CCREG) regs[i].regmap_entry[hr]=-1; |
9753 | if((regs[i].regmap[hr]&63)!=rs1[i] && (regs[i].regmap[hr]&63)!=rs2[i] && |
9754 | (regs[i].regmap[hr]&63)!=rt1[i] && (regs[i].regmap[hr]&63)!=rt2[i] && |
9755 | (regs[i].regmap[hr]&63)!=PTEMP && (regs[i].regmap[hr]&63)!=CCREG) |
9756 | { |
9757 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) |
9758 | { |
9759 | if(likely[i]) { |
9760 | regs[i].regmap[hr]=-1; |
9761 | regs[i].isconst&=~(1<<hr); |
79c75f1b |
9762 | if(i<slen-2) { |
9763 | regmap_pre[i+2][hr]=-1; |
9764 | regs[i+2].wasconst&=~(1<<hr); |
9765 | } |
57871462 |
9766 | } |
9767 | } |
9768 | } |
9769 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
9770 | { |
9771 | int d1=0,d2=0,map=0,temp=0; |
9772 | if(get_reg(regs[i].regmap,rt1[i+1]|64)>=0||get_reg(branch_regs[i].regmap,rt1[i+1]|64)>=0) |
9773 | { |
9774 | d1=dep1[i+1]; |
9775 | d2=dep2[i+1]; |
9776 | } |
9777 | if(using_tlb) { |
9778 | if(itype[i+1]==LOAD || itype[i+1]==LOADLR || |
9779 | itype[i+1]==STORE || itype[i+1]==STORELR || |
b9b61529 |
9780 | itype[i+1]==C1LS || itype[i+1]==C2LS) |
57871462 |
9781 | map=TLREG; |
9782 | } else |
b9b61529 |
9783 | if(itype[i+1]==STORE || itype[i+1]==STORELR || |
9784 | (opcode[i+1]&0x3b)==0x39 || (opcode[i+1]&0x3b)==0x3a) { // SWC1/SDC1 || SWC2/SDC2 |
57871462 |
9785 | map=INVCP; |
9786 | } |
9787 | if(itype[i+1]==LOADLR || itype[i+1]==STORELR || |
b9b61529 |
9788 | itype[i+1]==C1LS || itype[i+1]==C2LS) |
57871462 |
9789 | temp=FTEMP; |
9790 | if((regs[i].regmap[hr]&63)!=rs1[i] && (regs[i].regmap[hr]&63)!=rs2[i] && |
9791 | (regs[i].regmap[hr]&63)!=rt1[i] && (regs[i].regmap[hr]&63)!=rt2[i] && |
9792 | (regs[i].regmap[hr]&63)!=rt1[i+1] && (regs[i].regmap[hr]&63)!=rt2[i+1] && |
9793 | (regs[i].regmap[hr]^64)!=us1[i+1] && (regs[i].regmap[hr]^64)!=us2[i+1] && |
9794 | (regs[i].regmap[hr]^64)!=d1 && (regs[i].regmap[hr]^64)!=d2 && |
9795 | regs[i].regmap[hr]!=rs1[i+1] && regs[i].regmap[hr]!=rs2[i+1] && |
9796 | (regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=PTEMP && |
9797 | regs[i].regmap[hr]!=RHASH && regs[i].regmap[hr]!=RHTBL && |
9798 | regs[i].regmap[hr]!=RTEMP && regs[i].regmap[hr]!=CCREG && |
9799 | regs[i].regmap[hr]!=map ) |
9800 | { |
9801 | regs[i].regmap[hr]=-1; |
9802 | regs[i].isconst&=~(1<<hr); |
9803 | if((branch_regs[i].regmap[hr]&63)!=rs1[i] && (branch_regs[i].regmap[hr]&63)!=rs2[i] && |
9804 | (branch_regs[i].regmap[hr]&63)!=rt1[i] && (branch_regs[i].regmap[hr]&63)!=rt2[i] && |
9805 | (branch_regs[i].regmap[hr]&63)!=rt1[i+1] && (branch_regs[i].regmap[hr]&63)!=rt2[i+1] && |
9806 | (branch_regs[i].regmap[hr]^64)!=us1[i+1] && (branch_regs[i].regmap[hr]^64)!=us2[i+1] && |
9807 | (branch_regs[i].regmap[hr]^64)!=d1 && (branch_regs[i].regmap[hr]^64)!=d2 && |
9808 | branch_regs[i].regmap[hr]!=rs1[i+1] && branch_regs[i].regmap[hr]!=rs2[i+1] && |
9809 | (branch_regs[i].regmap[hr]&63)!=temp && branch_regs[i].regmap[hr]!=PTEMP && |
9810 | branch_regs[i].regmap[hr]!=RHASH && branch_regs[i].regmap[hr]!=RHTBL && |
9811 | branch_regs[i].regmap[hr]!=RTEMP && branch_regs[i].regmap[hr]!=CCREG && |
9812 | branch_regs[i].regmap[hr]!=map) |
9813 | { |
9814 | branch_regs[i].regmap[hr]=-1; |
9815 | branch_regs[i].regmap_entry[hr]=-1; |
9816 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) |
9817 | { |
9818 | if(!likely[i]&&i<slen-2) { |
9819 | regmap_pre[i+2][hr]=-1; |
79c75f1b |
9820 | regs[i+2].wasconst&=~(1<<hr); |
57871462 |
9821 | } |
9822 | } |
9823 | } |
9824 | } |
9825 | } |
9826 | else |
9827 | { |
9828 | // Non-branch |
9829 | if(i>0) |
9830 | { |
9831 | int d1=0,d2=0,map=-1,temp=-1; |
9832 | if(get_reg(regs[i].regmap,rt1[i]|64)>=0) |
9833 | { |
9834 | d1=dep1[i]; |
9835 | d2=dep2[i]; |
9836 | } |
9837 | if(using_tlb) { |
9838 | if(itype[i]==LOAD || itype[i]==LOADLR || |
9839 | itype[i]==STORE || itype[i]==STORELR || |
b9b61529 |
9840 | itype[i]==C1LS || itype[i]==C2LS) |
57871462 |
9841 | map=TLREG; |
b9b61529 |
9842 | } else if(itype[i]==STORE || itype[i]==STORELR || |
9843 | (opcode[i]&0x3b)==0x39 || (opcode[i]&0x3b)==0x3a) { // SWC1/SDC1 || SWC2/SDC2 |
57871462 |
9844 | map=INVCP; |
9845 | } |
9846 | if(itype[i]==LOADLR || itype[i]==STORELR || |
b9b61529 |
9847 | itype[i]==C1LS || itype[i]==C2LS) |
57871462 |
9848 | temp=FTEMP; |
9849 | if((regs[i].regmap[hr]&63)!=rt1[i] && (regs[i].regmap[hr]&63)!=rt2[i] && |
9850 | (regs[i].regmap[hr]^64)!=us1[i] && (regs[i].regmap[hr]^64)!=us2[i] && |
9851 | (regs[i].regmap[hr]^64)!=d1 && (regs[i].regmap[hr]^64)!=d2 && |
9852 | regs[i].regmap[hr]!=rs1[i] && regs[i].regmap[hr]!=rs2[i] && |
9853 | (regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=map && |
9854 | (itype[i]!=SPAN||regs[i].regmap[hr]!=CCREG)) |
9855 | { |
9856 | if(i<slen-1&&!is_ds[i]) { |
9857 | if(regmap_pre[i+1][hr]!=-1 || regs[i].regmap[hr]!=-1) |
9858 | if(regmap_pre[i+1][hr]!=regs[i].regmap[hr]) |
9859 | if(regs[i].regmap[hr]<64||!((regs[i].was32>>(regs[i].regmap[hr]&63))&1)) |
9860 | { |
9861 | printf("fail: %x (%d %d!=%d)\n",start+i*4,hr,regmap_pre[i+1][hr],regs[i].regmap[hr]); |
9862 | assert(regmap_pre[i+1][hr]==regs[i].regmap[hr]); |
9863 | } |
9864 | regmap_pre[i+1][hr]=-1; |
9865 | if(regs[i+1].regmap_entry[hr]==CCREG) regs[i+1].regmap_entry[hr]=-1; |
79c75f1b |
9866 | regs[i+1].wasconst&=~(1<<hr); |
57871462 |
9867 | } |
9868 | regs[i].regmap[hr]=-1; |
9869 | regs[i].isconst&=~(1<<hr); |
9870 | } |
9871 | } |
9872 | } |
9873 | } |
9874 | } |
9875 | } |
9876 | |
9877 | /* Pass 5 - Pre-allocate registers */ |
9878 | |
9879 | // If a register is allocated during a loop, try to allocate it for the |
9880 | // entire loop, if possible. This avoids loading/storing registers |
9881 | // inside of the loop. |
198df76f |
9882 | |
57871462 |
9883 | signed char f_regmap[HOST_REGS]; |
9884 | clear_all_regs(f_regmap); |
9885 | for(i=0;i<slen-1;i++) |
9886 | { |
9887 | if(itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
9888 | { |
9889 | if(ba[i]>=start && ba[i]<(start+i*4)) |
9890 | if(itype[i+1]==NOP||itype[i+1]==MOV||itype[i+1]==ALU |
9891 | ||itype[i+1]==SHIFTIMM||itype[i+1]==IMM16||itype[i+1]==LOAD |
9892 | ||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS |
9893 | ||itype[i+1]==SHIFT||itype[i+1]==COP1||itype[i+1]==FLOAT |
b9b61529 |
9894 | ||itype[i+1]==FCOMP||itype[i+1]==FCONV |
9895 | ||itype[i+1]==COP2||itype[i+1]==C2LS||itype[i+1]==C2OP) |
57871462 |
9896 | { |
9897 | int t=(ba[i]-start)>>2; |
9898 | if(t>0&&(itype[t-1]!=UJUMP&&itype[t-1]!=RJUMP&&itype[t-1]!=CJUMP&&itype[t-1]!=SJUMP&&itype[t-1]!=FJUMP)) // loop_preload can't handle jumps into delay slots |
198df76f |
9899 | if(t<2||(itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||rt1[t-2]!=31) // call/ret assumes no registers allocated |
57871462 |
9900 | for(hr=0;hr<HOST_REGS;hr++) |
9901 | { |
9902 | if(regs[i].regmap[hr]>64) { |
9903 | if(!((regs[i].dirty>>hr)&1)) |
9904 | f_regmap[hr]=regs[i].regmap[hr]; |
9905 | else f_regmap[hr]=-1; |
9906 | } |
b372a952 |
9907 | else if(regs[i].regmap[hr]>=0) { |
9908 | if(f_regmap[hr]!=regs[i].regmap[hr]) { |
9909 | // dealloc old register |
9910 | int n; |
9911 | for(n=0;n<HOST_REGS;n++) |
9912 | { |
9913 | if(f_regmap[n]==regs[i].regmap[hr]) {f_regmap[n]=-1;} |
9914 | } |
9915 | // and alloc new one |
9916 | f_regmap[hr]=regs[i].regmap[hr]; |
9917 | } |
9918 | } |
57871462 |
9919 | if(branch_regs[i].regmap[hr]>64) { |
9920 | if(!((branch_regs[i].dirty>>hr)&1)) |
9921 | f_regmap[hr]=branch_regs[i].regmap[hr]; |
9922 | else f_regmap[hr]=-1; |
9923 | } |
b372a952 |
9924 | else if(branch_regs[i].regmap[hr]>=0) { |
9925 | if(f_regmap[hr]!=branch_regs[i].regmap[hr]) { |
9926 | // dealloc old register |
9927 | int n; |
9928 | for(n=0;n<HOST_REGS;n++) |
9929 | { |
9930 | if(f_regmap[n]==branch_regs[i].regmap[hr]) {f_regmap[n]=-1;} |
9931 | } |
9932 | // and alloc new one |
9933 | f_regmap[hr]=branch_regs[i].regmap[hr]; |
9934 | } |
9935 | } |
e1190b87 |
9936 | if(ooo[i]) { |
9937 | if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1]) |
9938 | f_regmap[hr]=branch_regs[i].regmap[hr]; |
9939 | }else{ |
9940 | if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1]) |
57871462 |
9941 | f_regmap[hr]=branch_regs[i].regmap[hr]; |
9942 | } |
9943 | // Avoid dirty->clean transition |
e1190b87 |
9944 | #ifdef DESTRUCTIVE_WRITEBACK |
57871462 |
9945 | if(t>0) if(get_reg(regmap_pre[t],f_regmap[hr])>=0) if((regs[t].wasdirty>>get_reg(regmap_pre[t],f_regmap[hr]))&1) f_regmap[hr]=-1; |
e1190b87 |
9946 | #endif |
9947 | // This check is only strictly required in the DESTRUCTIVE_WRITEBACK |
9948 | // case above, however it's always a good idea. We can't hoist the |
9949 | // load if the register was already allocated, so there's no point |
9950 | // wasting time analyzing most of these cases. It only "succeeds" |
9951 | // when the mapping was different and the load can be replaced with |
9952 | // a mov, which is of negligible benefit. So such cases are |
9953 | // skipped below. |
57871462 |
9954 | if(f_regmap[hr]>0) { |
198df76f |
9955 | if(regs[t].regmap[hr]==f_regmap[hr]||(regs[t].regmap_entry[hr]<0&&get_reg(regmap_pre[t],f_regmap[hr])<0)) { |
57871462 |
9956 | int r=f_regmap[hr]; |
9957 | for(j=t;j<=i;j++) |
9958 | { |
9959 | //printf("Test %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r); |
9960 | if(r<34&&((unneeded_reg[j]>>r)&1)) break; |
9961 | if(r>63&&((unneeded_reg_upper[j]>>(r&63))&1)) break; |
9962 | if(r>63) { |
9963 | // NB This can exclude the case where the upper-half |
9964 | // register is lower numbered than the lower-half |
9965 | // register. Not sure if it's worth fixing... |
9966 | if(get_reg(regs[j].regmap,r&63)<0) break; |
e1190b87 |
9967 | if(get_reg(regs[j].regmap_entry,r&63)<0) break; |
57871462 |
9968 | if(regs[j].is32&(1LL<<(r&63))) break; |
9969 | } |
9970 | if(regs[j].regmap[hr]==f_regmap[hr]&&(f_regmap[hr]&63)<TEMPREG) { |
9971 | //printf("Hit %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r); |
9972 | int k; |
9973 | if(regs[i].regmap[hr]==-1&&branch_regs[i].regmap[hr]==-1) { |
9974 | if(get_reg(regs[i+2].regmap,f_regmap[hr])>=0) break; |
9975 | if(r>63) { |
9976 | if(get_reg(regs[i].regmap,r&63)<0) break; |
9977 | if(get_reg(branch_regs[i].regmap,r&63)<0) break; |
9978 | } |
9979 | k=i; |
9980 | while(k>1&®s[k-1].regmap[hr]==-1) { |
e1190b87 |
9981 | if(count_free_regs(regs[k-1].regmap)<=minimum_free_regs[k-1]) { |
9982 | //printf("no free regs for store %x\n",start+(k-1)*4); |
9983 | break; |
57871462 |
9984 | } |
57871462 |
9985 | if(get_reg(regs[k-1].regmap,f_regmap[hr])>=0) { |
9986 | //printf("no-match due to different register\n"); |
9987 | break; |
9988 | } |
9989 | if(itype[k-2]==UJUMP||itype[k-2]==RJUMP||itype[k-2]==CJUMP||itype[k-2]==SJUMP||itype[k-2]==FJUMP) { |
9990 | //printf("no-match due to branch\n"); |
9991 | break; |
9992 | } |
9993 | // call/ret fast path assumes no registers allocated |
198df76f |
9994 | if(k>2&&(itype[k-3]==UJUMP||itype[k-3]==RJUMP)&&rt1[k-3]==31) { |
57871462 |
9995 | break; |
9996 | } |
9997 | if(r>63) { |
9998 | // NB This can exclude the case where the upper-half |
9999 | // register is lower numbered than the lower-half |
10000 | // register. Not sure if it's worth fixing... |
10001 | if(get_reg(regs[k-1].regmap,r&63)<0) break; |
10002 | if(regs[k-1].is32&(1LL<<(r&63))) break; |
10003 | } |
10004 | k--; |
10005 | } |
10006 | if(i<slen-1) { |
10007 | if((regs[k].is32&(1LL<<f_regmap[hr]))!= |
10008 | (regs[i+2].was32&(1LL<<f_regmap[hr]))) { |
10009 | //printf("bad match after branch\n"); |
10010 | break; |
10011 | } |
10012 | } |
10013 | if(regs[k-1].regmap[hr]==f_regmap[hr]&®map_pre[k][hr]==f_regmap[hr]) { |
10014 | //printf("Extend r%d, %x ->\n",hr,start+k*4); |
10015 | while(k<i) { |
10016 | regs[k].regmap_entry[hr]=f_regmap[hr]; |
10017 | regs[k].regmap[hr]=f_regmap[hr]; |
10018 | regmap_pre[k+1][hr]=f_regmap[hr]; |
10019 | regs[k].wasdirty&=~(1<<hr); |
10020 | regs[k].dirty&=~(1<<hr); |
10021 | regs[k].wasdirty|=(1<<hr)®s[k-1].dirty; |
10022 | regs[k].dirty|=(1<<hr)®s[k].wasdirty; |
10023 | regs[k].wasconst&=~(1<<hr); |
10024 | regs[k].isconst&=~(1<<hr); |
10025 | k++; |
10026 | } |
10027 | } |
10028 | else { |
10029 | //printf("Fail Extend r%d, %x ->\n",hr,start+k*4); |
10030 | break; |
10031 | } |
10032 | assert(regs[i-1].regmap[hr]==f_regmap[hr]); |
10033 | if(regs[i-1].regmap[hr]==f_regmap[hr]&®map_pre[i][hr]==f_regmap[hr]) { |
10034 | //printf("OK fill %x (r%d)\n",start+i*4,hr); |
10035 | regs[i].regmap_entry[hr]=f_regmap[hr]; |
10036 | regs[i].regmap[hr]=f_regmap[hr]; |
10037 | regs[i].wasdirty&=~(1<<hr); |
10038 | regs[i].dirty&=~(1<<hr); |
10039 | regs[i].wasdirty|=(1<<hr)®s[i-1].dirty; |
10040 | regs[i].dirty|=(1<<hr)®s[i-1].dirty; |
10041 | regs[i].wasconst&=~(1<<hr); |
10042 | regs[i].isconst&=~(1<<hr); |
10043 | branch_regs[i].regmap_entry[hr]=f_regmap[hr]; |
10044 | branch_regs[i].wasdirty&=~(1<<hr); |
10045 | branch_regs[i].wasdirty|=(1<<hr)®s[i].dirty; |
10046 | branch_regs[i].regmap[hr]=f_regmap[hr]; |
10047 | branch_regs[i].dirty&=~(1<<hr); |
10048 | branch_regs[i].dirty|=(1<<hr)®s[i].dirty; |
10049 | branch_regs[i].wasconst&=~(1<<hr); |
10050 | branch_regs[i].isconst&=~(1<<hr); |
10051 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) { |
10052 | regmap_pre[i+2][hr]=f_regmap[hr]; |
10053 | regs[i+2].wasdirty&=~(1<<hr); |
10054 | regs[i+2].wasdirty|=(1<<hr)®s[i].dirty; |
10055 | assert((branch_regs[i].is32&(1LL<<f_regmap[hr]))== |
10056 | (regs[i+2].was32&(1LL<<f_regmap[hr]))); |
10057 | } |
10058 | } |
10059 | } |
10060 | for(k=t;k<j;k++) { |
e1190b87 |
10061 | // Alloc register clean at beginning of loop, |
10062 | // but may dirty it in pass 6 |
57871462 |
10063 | regs[k].regmap_entry[hr]=f_regmap[hr]; |
10064 | regs[k].regmap[hr]=f_regmap[hr]; |
57871462 |
10065 | regs[k].dirty&=~(1<<hr); |
10066 | regs[k].wasconst&=~(1<<hr); |
10067 | regs[k].isconst&=~(1<<hr); |
e1190b87 |
10068 | if(itype[k]==UJUMP||itype[k]==RJUMP||itype[k]==CJUMP||itype[k]==SJUMP||itype[k]==FJUMP) { |
10069 | branch_regs[k].regmap_entry[hr]=f_regmap[hr]; |
10070 | branch_regs[k].regmap[hr]=f_regmap[hr]; |
10071 | branch_regs[k].dirty&=~(1<<hr); |
10072 | branch_regs[k].wasconst&=~(1<<hr); |
10073 | branch_regs[k].isconst&=~(1<<hr); |
10074 | if(itype[k]!=RJUMP&&itype[k]!=UJUMP&&(source[k]>>16)!=0x1000) { |
10075 | regmap_pre[k+2][hr]=f_regmap[hr]; |
10076 | regs[k+2].wasdirty&=~(1<<hr); |
10077 | assert((branch_regs[k].is32&(1LL<<f_regmap[hr]))== |
10078 | (regs[k+2].was32&(1LL<<f_regmap[hr]))); |
10079 | } |
10080 | } |
10081 | else |
10082 | { |
10083 | regmap_pre[k+1][hr]=f_regmap[hr]; |
10084 | regs[k+1].wasdirty&=~(1<<hr); |
10085 | } |
57871462 |
10086 | } |
10087 | if(regs[j].regmap[hr]==f_regmap[hr]) |
10088 | regs[j].regmap_entry[hr]=f_regmap[hr]; |
10089 | break; |
10090 | } |
10091 | if(j==i) break; |
10092 | if(regs[j].regmap[hr]>=0) |
10093 | break; |
10094 | if(get_reg(regs[j].regmap,f_regmap[hr])>=0) { |
10095 | //printf("no-match due to different register\n"); |
10096 | break; |
10097 | } |
10098 | if((regs[j+1].is32&(1LL<<f_regmap[hr]))!=(regs[j].is32&(1LL<<f_regmap[hr]))) { |
10099 | //printf("32/64 mismatch %x %d\n",start+j*4,hr); |
10100 | break; |
10101 | } |
e1190b87 |
10102 | if(itype[j]==UJUMP||itype[j]==RJUMP||(source[j]>>16)==0x1000) |
10103 | { |
10104 | // Stop on unconditional branch |
10105 | break; |
10106 | } |
10107 | if(itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) |
10108 | { |
10109 | if(ooo[j]) { |
10110 | if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1]) |
10111 | break; |
10112 | }else{ |
10113 | if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1]) |
10114 | break; |
10115 | } |
10116 | if(get_reg(branch_regs[j].regmap,f_regmap[hr])>=0) { |
10117 | //printf("no-match due to different register (branch)\n"); |
57871462 |
10118 | break; |
10119 | } |
10120 | } |
e1190b87 |
10121 | if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j]) { |
10122 | //printf("No free regs for store %x\n",start+j*4); |
10123 | break; |
10124 | } |
57871462 |
10125 | if(f_regmap[hr]>=64) { |
10126 | if(regs[j].is32&(1LL<<(f_regmap[hr]&63))) { |
10127 | break; |
10128 | } |
10129 | else |
10130 | { |
10131 | if(get_reg(regs[j].regmap,f_regmap[hr]&63)<0) { |
10132 | break; |
10133 | } |
10134 | } |
10135 | } |
10136 | } |
10137 | } |
10138 | } |
10139 | } |
10140 | } |
10141 | }else{ |
198df76f |
10142 | // Non branch or undetermined branch target |
57871462 |
10143 | for(hr=0;hr<HOST_REGS;hr++) |
10144 | { |
10145 | if(hr!=EXCLUDE_REG) { |
10146 | if(regs[i].regmap[hr]>64) { |
10147 | if(!((regs[i].dirty>>hr)&1)) |
10148 | f_regmap[hr]=regs[i].regmap[hr]; |
10149 | } |
b372a952 |
10150 | else if(regs[i].regmap[hr]>=0) { |
10151 | if(f_regmap[hr]!=regs[i].regmap[hr]) { |
10152 | // dealloc old register |
10153 | int n; |
10154 | for(n=0;n<HOST_REGS;n++) |
10155 | { |
10156 | if(f_regmap[n]==regs[i].regmap[hr]) {f_regmap[n]=-1;} |
10157 | } |
10158 | // and alloc new one |
10159 | f_regmap[hr]=regs[i].regmap[hr]; |
10160 | } |
10161 | } |
57871462 |
10162 | } |
10163 | } |
10164 | // Try to restore cycle count at branch targets |
10165 | if(bt[i]) { |
10166 | for(j=i;j<slen-1;j++) { |
10167 | if(regs[j].regmap[HOST_CCREG]!=-1) break; |
e1190b87 |
10168 | if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j]) { |
10169 | //printf("no free regs for store %x\n",start+j*4); |
10170 | break; |
57871462 |
10171 | } |
57871462 |
10172 | } |
10173 | if(regs[j].regmap[HOST_CCREG]==CCREG) { |
10174 | int k=i; |
10175 | //printf("Extend CC, %x -> %x\n",start+k*4,start+j*4); |
10176 | while(k<j) { |
10177 | regs[k].regmap_entry[HOST_CCREG]=CCREG; |
10178 | regs[k].regmap[HOST_CCREG]=CCREG; |
10179 | regmap_pre[k+1][HOST_CCREG]=CCREG; |
10180 | regs[k+1].wasdirty|=1<<HOST_CCREG; |
10181 | regs[k].dirty|=1<<HOST_CCREG; |
10182 | regs[k].wasconst&=~(1<<HOST_CCREG); |
10183 | regs[k].isconst&=~(1<<HOST_CCREG); |
10184 | k++; |
10185 | } |
10186 | regs[j].regmap_entry[HOST_CCREG]=CCREG; |
10187 | } |
10188 | // Work backwards from the branch target |
10189 | if(j>i&&f_regmap[HOST_CCREG]==CCREG) |
10190 | { |
10191 | //printf("Extend backwards\n"); |
10192 | int k; |
10193 | k=i; |
10194 | while(regs[k-1].regmap[HOST_CCREG]==-1) { |
e1190b87 |
10195 | if(count_free_regs(regs[k-1].regmap)<=minimum_free_regs[k-1]) { |
10196 | //printf("no free regs for store %x\n",start+(k-1)*4); |
10197 | break; |
57871462 |
10198 | } |
57871462 |
10199 | k--; |
10200 | } |
10201 | if(regs[k-1].regmap[HOST_CCREG]==CCREG) { |
10202 | //printf("Extend CC, %x ->\n",start+k*4); |
10203 | while(k<=i) { |
10204 | regs[k].regmap_entry[HOST_CCREG]=CCREG; |
10205 | regs[k].regmap[HOST_CCREG]=CCREG; |
10206 | regmap_pre[k+1][HOST_CCREG]=CCREG; |
10207 | regs[k+1].wasdirty|=1<<HOST_CCREG; |
10208 | regs[k].dirty|=1<<HOST_CCREG; |
10209 | regs[k].wasconst&=~(1<<HOST_CCREG); |
10210 | regs[k].isconst&=~(1<<HOST_CCREG); |
10211 | k++; |
10212 | } |
10213 | } |
10214 | else { |
10215 | //printf("Fail Extend CC, %x ->\n",start+k*4); |
10216 | } |
10217 | } |
10218 | } |
10219 | if(itype[i]!=STORE&&itype[i]!=STORELR&&itype[i]!=C1LS&&itype[i]!=SHIFT&& |
10220 | itype[i]!=NOP&&itype[i]!=MOV&&itype[i]!=ALU&&itype[i]!=SHIFTIMM&& |
10221 | itype[i]!=IMM16&&itype[i]!=LOAD&&itype[i]!=COP1&&itype[i]!=FLOAT&& |
e1190b87 |
10222 | itype[i]!=FCONV&&itype[i]!=FCOMP) |
57871462 |
10223 | { |
10224 | memcpy(f_regmap,regs[i].regmap,sizeof(f_regmap)); |
10225 | } |
10226 | } |
10227 | } |
10228 | |
d61de97e |
10229 | // Cache memory offset or tlb map pointer if a register is available |
10230 | #ifndef HOST_IMM_ADDR32 |
10231 | #ifndef RAM_OFFSET |
10232 | if(using_tlb) |
10233 | #endif |
10234 | { |
10235 | int earliest_available[HOST_REGS]; |
10236 | int loop_start[HOST_REGS]; |
10237 | int score[HOST_REGS]; |
10238 | int end[HOST_REGS]; |
10239 | int reg=using_tlb?MMREG:ROREG; |
10240 | |
10241 | // Init |
10242 | for(hr=0;hr<HOST_REGS;hr++) { |
10243 | score[hr]=0;earliest_available[hr]=0; |
10244 | loop_start[hr]=MAXBLOCK; |
10245 | } |
10246 | for(i=0;i<slen-1;i++) |
10247 | { |
10248 | // Can't do anything if no registers are available |
10249 | if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i]) { |
10250 | for(hr=0;hr<HOST_REGS;hr++) { |
10251 | score[hr]=0;earliest_available[hr]=i+1; |
10252 | loop_start[hr]=MAXBLOCK; |
10253 | } |
10254 | } |
10255 | if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) { |
10256 | if(!ooo[i]) { |
10257 | if(count_free_regs(branch_regs[i].regmap)<=minimum_free_regs[i+1]) { |
10258 | for(hr=0;hr<HOST_REGS;hr++) { |
10259 | score[hr]=0;earliest_available[hr]=i+1; |
10260 | loop_start[hr]=MAXBLOCK; |
10261 | } |
10262 | } |
198df76f |
10263 | }else{ |
10264 | if(count_free_regs(regs[i].regmap)<=minimum_free_regs[i+1]) { |
10265 | for(hr=0;hr<HOST_REGS;hr++) { |
10266 | score[hr]=0;earliest_available[hr]=i+1; |
10267 | loop_start[hr]=MAXBLOCK; |
10268 | } |
10269 | } |
d61de97e |
10270 | } |
10271 | } |
10272 | // Mark unavailable registers |
10273 | for(hr=0;hr<HOST_REGS;hr++) { |
10274 | if(regs[i].regmap[hr]>=0) { |
10275 | score[hr]=0;earliest_available[hr]=i+1; |
10276 | loop_start[hr]=MAXBLOCK; |
10277 | } |
10278 | if(itype[i]==UJUMP||itype[i]==RJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) { |
10279 | if(branch_regs[i].regmap[hr]>=0) { |
10280 | score[hr]=0;earliest_available[hr]=i+2; |
10281 | loop_start[hr]=MAXBLOCK; |
10282 | } |
10283 | } |
10284 | } |
10285 | // No register allocations after unconditional jumps |
10286 | if(itype[i]==UJUMP||itype[i]==RJUMP||(source[i]>>16)==0x1000) |
10287 | { |
10288 | for(hr=0;hr<HOST_REGS;hr++) { |
10289 | score[hr]=0;earliest_available[hr]=i+2; |
10290 | loop_start[hr]=MAXBLOCK; |
10291 | } |
10292 | i++; // Skip delay slot too |
10293 | //printf("skip delay slot: %x\n",start+i*4); |
10294 | } |
10295 | else |
10296 | // Possible match |
10297 | if(itype[i]==LOAD||itype[i]==LOADLR|| |
10298 | itype[i]==STORE||itype[i]==STORELR||itype[i]==C1LS) { |
10299 | for(hr=0;hr<HOST_REGS;hr++) { |
10300 | if(hr!=EXCLUDE_REG) { |
10301 | end[hr]=i-1; |
10302 | for(j=i;j<slen-1;j++) { |
10303 | if(regs[j].regmap[hr]>=0) break; |
10304 | if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) { |
10305 | if(branch_regs[j].regmap[hr]>=0) break; |
10306 | if(ooo[j]) { |
10307 | if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j+1]) break; |
10308 | }else{ |
10309 | if(count_free_regs(branch_regs[j].regmap)<=minimum_free_regs[j+1]) break; |
10310 | } |
10311 | } |
10312 | else if(count_free_regs(regs[j].regmap)<=minimum_free_regs[j]) break; |
10313 | if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) { |
10314 | int t=(ba[j]-start)>>2; |
10315 | if(t<j&&t>=earliest_available[hr]) { |
198df76f |
10316 | if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) { // call/ret assumes no registers allocated |
10317 | // Score a point for hoisting loop invariant |
10318 | if(t<loop_start[hr]) loop_start[hr]=t; |
10319 | //printf("set loop_start: i=%x j=%x (%x)\n",start+i*4,start+j*4,start+t*4); |
10320 | score[hr]++; |
10321 | end[hr]=j; |
10322 | } |
d61de97e |
10323 | } |
10324 | else if(t<j) { |
10325 | if(regs[t].regmap[hr]==reg) { |
10326 | // Score a point if the branch target matches this register |
10327 | score[hr]++; |
10328 | end[hr]=j; |
10329 | } |
10330 | } |
10331 | if(itype[j+1]==LOAD||itype[j+1]==LOADLR|| |
10332 | itype[j+1]==STORE||itype[j+1]==STORELR||itype[j+1]==C1LS) { |
10333 | score[hr]++; |
10334 | end[hr]=j; |
10335 | } |
10336 | } |
10337 | if(itype[j]==UJUMP||itype[j]==RJUMP||(source[j]>>16)==0x1000) |
10338 | { |
10339 | // Stop on unconditional branch |
10340 | break; |
10341 | } |
10342 | else |
10343 | if(itype[j]==LOAD||itype[j]==LOADLR|| |
10344 | itype[j]==STORE||itype[j]==STORELR||itype[j]==C1LS) { |
10345 | score[hr]++; |
10346 | end[hr]=j; |
10347 | } |
10348 | } |
10349 | } |
10350 | } |
10351 | // Find highest score and allocate that register |
10352 | int maxscore=0; |
10353 | for(hr=0;hr<HOST_REGS;hr++) { |
10354 | if(hr!=EXCLUDE_REG) { |
10355 | if(score[hr]>score[maxscore]) { |
10356 | maxscore=hr; |
10357 | //printf("highest score: %d %d (%x->%x)\n",score[hr],hr,start+i*4,start+end[hr]*4); |
10358 | } |
10359 | } |
10360 | } |
10361 | if(score[maxscore]>1) |
10362 | { |
10363 | if(i<loop_start[maxscore]) loop_start[maxscore]=i; |
10364 | for(j=loop_start[maxscore];j<slen&&j<=end[maxscore];j++) { |
10365 | //if(regs[j].regmap[maxscore]>=0) {printf("oops: %x %x was %d=%d\n",loop_start[maxscore]*4+start,j*4+start,maxscore,regs[j].regmap[maxscore]);} |
10366 | assert(regs[j].regmap[maxscore]<0); |
10367 | if(j>loop_start[maxscore]) regs[j].regmap_entry[maxscore]=reg; |
10368 | regs[j].regmap[maxscore]=reg; |
10369 | regs[j].dirty&=~(1<<maxscore); |
10370 | regs[j].wasconst&=~(1<<maxscore); |
10371 | regs[j].isconst&=~(1<<maxscore); |
10372 | if(itype[j]==UJUMP||itype[j]==RJUMP||itype[j]==CJUMP||itype[j]==SJUMP||itype[j]==FJUMP) { |
10373 | branch_regs[j].regmap[maxscore]=reg; |
10374 | branch_regs[j].wasdirty&=~(1<<maxscore); |
10375 | branch_regs[j].dirty&=~(1<<maxscore); |
10376 | branch_regs[j].wasconst&=~(1<<maxscore); |
10377 | branch_regs[j].isconst&=~(1<<maxscore); |
10378 | if(itype[j]!=RJUMP&&itype[j]!=UJUMP&&(source[j]>>16)!=0x1000) { |
10379 | regmap_pre[j+2][maxscore]=reg; |
10380 | regs[j+2].wasdirty&=~(1<<maxscore); |
10381 | } |
10382 | // loop optimization (loop_preload) |
10383 | int t=(ba[j]-start)>>2; |
198df76f |
10384 | if(t==loop_start[maxscore]) { |
10385 | if(t==1||(t>1&&itype[t-2]!=UJUMP&&itype[t-2]!=RJUMP)||(t>1&&rt1[t-2]!=31)) // call/ret assumes no registers allocated |
10386 | regs[t].regmap_entry[maxscore]=reg; |
10387 | } |
d61de97e |
10388 | } |
10389 | else |
10390 | { |
10391 | if(j<1||(itype[j-1]!=RJUMP&&itype[j-1]!=UJUMP&&itype[j-1]!=CJUMP&&itype[j-1]!=SJUMP&&itype[j-1]!=FJUMP)) { |
10392 | regmap_pre[j+1][maxscore]=reg; |
10393 | regs[j+1].wasdirty&=~(1<<maxscore); |
10394 | } |
10395 | } |
10396 | } |
10397 | i=j-1; |
10398 | if(itype[j-1]==RJUMP||itype[j-1]==UJUMP||itype[j-1]==CJUMP||itype[j-1]==SJUMP||itype[j-1]==FJUMP) i++; // skip delay slot |
10399 | for(hr=0;hr<HOST_REGS;hr++) { |
10400 | score[hr]=0;earliest_available[hr]=i+i; |
10401 | loop_start[hr]=MAXBLOCK; |
10402 | } |
10403 | } |
10404 | } |
10405 | } |
10406 | } |
10407 | #endif |
10408 | |
57871462 |
10409 | // This allocates registers (if possible) one instruction prior |
10410 | // to use, which can avoid a load-use penalty on certain CPUs. |
10411 | for(i=0;i<slen-1;i++) |
10412 | { |
10413 | if(!i||(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP)) |
10414 | { |
10415 | if(!bt[i+1]) |
10416 | { |
b9b61529 |
10417 | if(itype[i]==ALU||itype[i]==MOV||itype[i]==LOAD||itype[i]==SHIFTIMM||itype[i]==IMM16 |
10418 | ||((itype[i]==COP1||itype[i]==COP2)&&opcode2[i]<3)) |
57871462 |
10419 | { |
10420 | if(rs1[i+1]) { |
10421 | if((hr=get_reg(regs[i+1].regmap,rs1[i+1]))>=0) |
10422 | { |
10423 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10424 | { |
10425 | regs[i].regmap[hr]=regs[i+1].regmap[hr]; |
10426 | regmap_pre[i+1][hr]=regs[i+1].regmap[hr]; |
10427 | regs[i+1].regmap_entry[hr]=regs[i+1].regmap[hr]; |
10428 | regs[i].isconst&=~(1<<hr); |
10429 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10430 | constmap[i][hr]=constmap[i+1][hr]; |
10431 | regs[i+1].wasdirty&=~(1<<hr); |
10432 | regs[i].dirty&=~(1<<hr); |
10433 | } |
10434 | } |
10435 | } |
10436 | if(rs2[i+1]) { |
10437 | if((hr=get_reg(regs[i+1].regmap,rs2[i+1]))>=0) |
10438 | { |
10439 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10440 | { |
10441 | regs[i].regmap[hr]=regs[i+1].regmap[hr]; |
10442 | regmap_pre[i+1][hr]=regs[i+1].regmap[hr]; |
10443 | regs[i+1].regmap_entry[hr]=regs[i+1].regmap[hr]; |
10444 | regs[i].isconst&=~(1<<hr); |
10445 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10446 | constmap[i][hr]=constmap[i+1][hr]; |
10447 | regs[i+1].wasdirty&=~(1<<hr); |
10448 | regs[i].dirty&=~(1<<hr); |
10449 | } |
10450 | } |
10451 | } |
198df76f |
10452 | // Preload target address for load instruction (non-constant) |
57871462 |
10453 | if(itype[i+1]==LOAD&&rs1[i+1]&&get_reg(regs[i+1].regmap,rs1[i+1])<0) { |
10454 | if((hr=get_reg(regs[i+1].regmap,rt1[i+1]))>=0) |
10455 | { |
10456 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10457 | { |
10458 | regs[i].regmap[hr]=rs1[i+1]; |
10459 | regmap_pre[i+1][hr]=rs1[i+1]; |
10460 | regs[i+1].regmap_entry[hr]=rs1[i+1]; |
10461 | regs[i].isconst&=~(1<<hr); |
10462 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10463 | constmap[i][hr]=constmap[i+1][hr]; |
10464 | regs[i+1].wasdirty&=~(1<<hr); |
10465 | regs[i].dirty&=~(1<<hr); |
10466 | } |
10467 | } |
10468 | } |
198df76f |
10469 | // Load source into target register |
57871462 |
10470 | if(lt1[i+1]&&get_reg(regs[i+1].regmap,rs1[i+1])<0) { |
10471 | if((hr=get_reg(regs[i+1].regmap,rt1[i+1]))>=0) |
10472 | { |
10473 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10474 | { |
10475 | regs[i].regmap[hr]=rs1[i+1]; |
10476 | regmap_pre[i+1][hr]=rs1[i+1]; |
10477 | regs[i+1].regmap_entry[hr]=rs1[i+1]; |
10478 | regs[i].isconst&=~(1<<hr); |
10479 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10480 | constmap[i][hr]=constmap[i+1][hr]; |
10481 | regs[i+1].wasdirty&=~(1<<hr); |
10482 | regs[i].dirty&=~(1<<hr); |
10483 | } |
10484 | } |
10485 | } |
198df76f |
10486 | // Preload map address |
57871462 |
10487 | #ifndef HOST_IMM_ADDR32 |
b9b61529 |
10488 | if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR||itype[i+1]==C1LS||itype[i+1]==C2LS) { |
57871462 |
10489 | hr=get_reg(regs[i+1].regmap,TLREG); |
10490 | if(hr>=0) { |
10491 | int sr=get_reg(regs[i+1].regmap,rs1[i+1]); |
10492 | if(sr>=0&&((regs[i+1].wasconst>>sr)&1)) { |
10493 | int nr; |
10494 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10495 | { |
10496 | regs[i].regmap[hr]=MGEN1+((i+1)&1); |
10497 | regmap_pre[i+1][hr]=MGEN1+((i+1)&1); |
10498 | regs[i+1].regmap_entry[hr]=MGEN1+((i+1)&1); |
10499 | regs[i].isconst&=~(1<<hr); |
10500 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10501 | constmap[i][hr]=constmap[i+1][hr]; |
10502 | regs[i+1].wasdirty&=~(1<<hr); |
10503 | regs[i].dirty&=~(1<<hr); |
10504 | } |
10505 | else if((nr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1))>=0) |
10506 | { |
10507 | // move it to another register |
10508 | regs[i+1].regmap[hr]=-1; |
10509 | regmap_pre[i+2][hr]=-1; |
10510 | regs[i+1].regmap[nr]=TLREG; |
10511 | regmap_pre[i+2][nr]=TLREG; |
10512 | regs[i].regmap[nr]=MGEN1+((i+1)&1); |
10513 | regmap_pre[i+1][nr]=MGEN1+((i+1)&1); |
10514 | regs[i+1].regmap_entry[nr]=MGEN1+((i+1)&1); |
10515 | regs[i].isconst&=~(1<<nr); |
10516 | regs[i+1].isconst&=~(1<<nr); |
10517 | regs[i].dirty&=~(1<<nr); |
10518 | regs[i+1].wasdirty&=~(1<<nr); |
10519 | regs[i+1].dirty&=~(1<<nr); |
10520 | regs[i+2].wasdirty&=~(1<<nr); |
10521 | } |
10522 | } |
10523 | } |
10524 | } |
10525 | #endif |
198df76f |
10526 | // Address for store instruction (non-constant) |
b9b61529 |
10527 | if(itype[i+1]==STORE||itype[i+1]==STORELR |
10528 | ||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) { // SB/SH/SW/SD/SWC1/SDC1/SWC2/SDC2 |
57871462 |
10529 | if(get_reg(regs[i+1].regmap,rs1[i+1])<0) { |
10530 | hr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1); |
10531 | if(hr<0) hr=get_reg(regs[i+1].regmap,-1); |
10532 | else {regs[i+1].regmap[hr]=AGEN1+((i+1)&1);regs[i+1].isconst&=~(1<<hr);} |
10533 | assert(hr>=0); |
10534 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10535 | { |
10536 | regs[i].regmap[hr]=rs1[i+1]; |
10537 | regmap_pre[i+1][hr]=rs1[i+1]; |
10538 | regs[i+1].regmap_entry[hr]=rs1[i+1]; |
10539 | regs[i].isconst&=~(1<<hr); |
10540 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10541 | constmap[i][hr]=constmap[i+1][hr]; |
10542 | regs[i+1].wasdirty&=~(1<<hr); |
10543 | regs[i].dirty&=~(1<<hr); |
10544 | } |
10545 | } |
10546 | } |
b9b61529 |
10547 | if(itype[i+1]==LOADLR||(opcode[i+1]&0x3b)==0x31||(opcode[i+1]&0x3b)==0x32) { // LWC1/LDC1, LWC2/LDC2 |
57871462 |
10548 | if(get_reg(regs[i+1].regmap,rs1[i+1])<0) { |
10549 | int nr; |
10550 | hr=get_reg(regs[i+1].regmap,FTEMP); |
10551 | assert(hr>=0); |
10552 | if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0) |
10553 | { |
10554 | regs[i].regmap[hr]=rs1[i+1]; |
10555 | regmap_pre[i+1][hr]=rs1[i+1]; |
10556 | regs[i+1].regmap_entry[hr]=rs1[i+1]; |
10557 | regs[i].isconst&=~(1<<hr); |
10558 | regs[i].isconst|=regs[i+1].isconst&(1<<hr); |
10559 | constmap[i][hr]=constmap[i+1][hr]; |
10560 | regs[i+1].wasdirty&=~(1<<hr); |
10561 | regs[i].dirty&=~(1<<hr); |
10562 | } |
10563 | else if((nr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1))>=0) |
10564 | { |
10565 | // move it to another register |
10566 | regs[i+1].regmap[hr]=-1; |
10567 | regmap_pre[i+2][hr]=-1; |
10568 | regs[i+1].regmap[nr]=FTEMP; |
10569 | regmap_pre[i+2][nr]=FTEMP; |
10570 | regs[i].regmap[nr]=rs1[i+1]; |
10571 | regmap_pre[i+1][nr]=rs1[i+1]; |
10572 | regs[i+1].regmap_entry[nr]=rs1[i+1]; |
10573 | regs[i].isconst&=~(1<<nr); |
10574 | regs[i+1].isconst&=~(1<<nr); |
10575 | regs[i].dirty&=~(1<<nr); |
10576 | regs[i+1].wasdirty&=~(1<<nr); |
10577 | regs[i+1].dirty&=~(1<<nr); |
10578 | regs[i+2].wasdirty&=~(1<<nr); |
10579 | } |
10580 | } |
10581 | } |
b9b61529 |
10582 | if(itype[i+1]==LOAD||itype[i+1]==LOADLR||itype[i+1]==STORE||itype[i+1]==STORELR/*||itype[i+1]==C1LS||||itype[i+1]==C2LS*/) { |
57871462 |
10583 | if(itype[i+1]==LOAD) |
10584 | hr=get_reg(regs[i+1].regmap,rt1[i+1]); |
b9b61529 |
10585 | if(itype[i+1]==LOADLR||(opcode[i+1]&0x3b)==0x31||(opcode[i+1]&0x3b)==0x32) // LWC1/LDC1, LWC2/LDC2 |
57871462 |
10586 | hr=get_reg(regs[i+1].regmap,FTEMP); |
b9b61529 |
10587 | if(itype[i+1]==STORE||itype[i+1]==STORELR||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) { // SWC1/SDC1/SWC2/SDC2 |
57871462 |
10588 | hr=get_reg(regs[i+1].regmap,AGEN1+((i+1)&1)); |
10589 | if(hr<0) hr=get_reg(regs[i+1].regmap,-1); |
10590 | } |
10591 | if(hr>=0&®s[i].regmap[hr]<0) { |
10592 | int rs=get_reg(regs[i+1].regmap,rs1[i+1]); |
10593 | if(rs>=0&&((regs[i+1].wasconst>>rs)&1)) { |
10594 | regs[i].regmap[hr]=AGEN1+((i+1)&1); |
10595 | regmap_pre[i+1][hr]=AGEN1+((i+1)&1); |
10596 | regs[i+1].regmap_entry[hr]=AGEN1+((i+1)&1); |
10597 | regs[i].isconst&=~(1<<hr); |
10598 | regs[i+1].wasdirty&=~(1<<hr); |
10599 | regs[i].dirty&=~(1<<hr); |
10600 | } |
10601 | } |
10602 | } |
10603 | } |
10604 | } |
10605 | } |
10606 | } |
10607 | |
10608 | /* Pass 6 - Optimize clean/dirty state */ |
10609 | clean_registers(0,slen-1,1); |
10610 | |
10611 | /* Pass 7 - Identify 32-bit registers */ |
a28c6ce8 |
10612 | #ifndef FORCE32 |
57871462 |
10613 | provisional_r32(); |
10614 | |
10615 | u_int r32=0; |
10616 | |
10617 | for (i=slen-1;i>=0;i--) |
10618 | { |
10619 | int hr; |
10620 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
10621 | { |
10622 | if(ba[i]<start || ba[i]>=(start+slen*4)) |
10623 | { |
10624 | // Branch out of this block, don't need anything |
10625 | r32=0; |
10626 | } |
10627 | else |
10628 | { |
10629 | // Internal branch |
10630 | // Need whatever matches the target |
10631 | // (and doesn't get overwritten by the delay slot instruction) |
10632 | r32=0; |
10633 | int t=(ba[i]-start)>>2; |
10634 | if(ba[i]>start+i*4) { |
10635 | // Forward branch |
10636 | if(!(requires_32bit[t]&~regs[i].was32)) |
10637 | r32|=requires_32bit[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
10638 | }else{ |
10639 | // Backward branch |
10640 | //if(!(regs[t].was32&~unneeded_reg_upper[t]&~regs[i].was32)) |
10641 | // r32|=regs[t].was32&~unneeded_reg_upper[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
10642 | if(!(pr32[t]&~regs[i].was32)) |
10643 | r32|=pr32[t]&(~(1LL<<rt1[i+1]))&(~(1LL<<rt2[i+1])); |
10644 | } |
10645 | } |
10646 | // Conditional branch may need registers for following instructions |
10647 | if(itype[i]!=RJUMP&&itype[i]!=UJUMP&&(source[i]>>16)!=0x1000) |
10648 | { |
10649 | if(i<slen-2) { |
10650 | r32|=requires_32bit[i+2]; |
10651 | r32&=regs[i].was32; |
10652 | // Mark this address as a branch target since it may be called |
10653 | // upon return from interrupt |
10654 | bt[i+2]=1; |
10655 | } |
10656 | } |
10657 | // Merge in delay slot |
10658 | if(!likely[i]) { |
10659 | // These are overwritten unless the branch is "likely" |
10660 | // and the delay slot is nullified if not taken |
10661 | r32&=~(1LL<<rt1[i+1]); |
10662 | r32&=~(1LL<<rt2[i+1]); |
10663 | } |
10664 | // Assume these are needed (delay slot) |
10665 | if(us1[i+1]>0) |
10666 | { |
10667 | if((regs[i].was32>>us1[i+1])&1) r32|=1LL<<us1[i+1]; |
10668 | } |
10669 | if(us2[i+1]>0) |
10670 | { |
10671 | if((regs[i].was32>>us2[i+1])&1) r32|=1LL<<us2[i+1]; |
10672 | } |
10673 | if(dep1[i+1]&&!((unneeded_reg_upper[i]>>dep1[i+1])&1)) |
10674 | { |
10675 | if((regs[i].was32>>dep1[i+1])&1) r32|=1LL<<dep1[i+1]; |
10676 | } |
10677 | if(dep2[i+1]&&!((unneeded_reg_upper[i]>>dep2[i+1])&1)) |
10678 | { |
10679 | if((regs[i].was32>>dep2[i+1])&1) r32|=1LL<<dep2[i+1]; |
10680 | } |
10681 | } |
1e973cb0 |
10682 | else if(itype[i]==SYSCALL||itype[i]==HLECALL||itype[i]==INTCALL) |
57871462 |
10683 | { |
10684 | // SYSCALL instruction (software interrupt) |
10685 | r32=0; |
10686 | } |
10687 | else if(itype[i]==COP0 && (source[i]&0x3f)==0x18) |
10688 | { |
10689 | // ERET instruction (return from interrupt) |
10690 | r32=0; |
10691 | } |
10692 | // Check 32 bits |
10693 | r32&=~(1LL<<rt1[i]); |
10694 | r32&=~(1LL<<rt2[i]); |
10695 | if(us1[i]>0) |
10696 | { |
10697 | if((regs[i].was32>>us1[i])&1) r32|=1LL<<us1[i]; |
10698 | } |
10699 | if(us2[i]>0) |
10700 | { |
10701 | if((regs[i].was32>>us2[i])&1) r32|=1LL<<us2[i]; |
10702 | } |
10703 | if(dep1[i]&&!((unneeded_reg_upper[i]>>dep1[i])&1)) |
10704 | { |
10705 | if((regs[i].was32>>dep1[i])&1) r32|=1LL<<dep1[i]; |
10706 | } |
10707 | if(dep2[i]&&!((unneeded_reg_upper[i]>>dep2[i])&1)) |
10708 | { |
10709 | if((regs[i].was32>>dep2[i])&1) r32|=1LL<<dep2[i]; |
10710 | } |
10711 | requires_32bit[i]=r32; |
10712 | |
10713 | // Dirty registers which are 32-bit, require 32-bit input |
10714 | // as they will be written as 32-bit values |
10715 | for(hr=0;hr<HOST_REGS;hr++) |
10716 | { |
10717 | if(regs[i].regmap_entry[hr]>0&®s[i].regmap_entry[hr]<64) { |
10718 | if((regs[i].was32>>regs[i].regmap_entry[hr])&(regs[i].wasdirty>>hr)&1) { |
10719 | if(!((unneeded_reg_upper[i]>>regs[i].regmap_entry[hr])&1)) |
10720 | requires_32bit[i]|=1LL<<regs[i].regmap_entry[hr]; |
10721 | } |
10722 | } |
10723 | } |
10724 | //requires_32bit[i]=is32[i]&~unneeded_reg_upper[i]; // DEBUG |
10725 | } |
04fd948a |
10726 | #else |
10727 | for (i=slen-1;i>=0;i--) |
10728 | { |
10729 | if(itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
10730 | { |
10731 | // Conditional branch |
10732 | if((source[i]>>16)!=0x1000&&i<slen-2) { |
10733 | // Mark this address as a branch target since it may be called |
10734 | // upon return from interrupt |
10735 | bt[i+2]=1; |
10736 | } |
10737 | } |
10738 | } |
a28c6ce8 |
10739 | #endif |
57871462 |
10740 | |
10741 | if(itype[slen-1]==SPAN) { |
10742 | bt[slen-1]=1; // Mark as a branch target so instruction can restart after exception |
10743 | } |
10744 | |
10745 | /* Debug/disassembly */ |
10746 | if((void*)assem_debug==(void*)printf) |
10747 | for(i=0;i<slen;i++) |
10748 | { |
10749 | printf("U:"); |
10750 | int r; |
10751 | for(r=1;r<=CCREG;r++) { |
10752 | if((unneeded_reg[i]>>r)&1) { |
10753 | if(r==HIREG) printf(" HI"); |
10754 | else if(r==LOREG) printf(" LO"); |
10755 | else printf(" r%d",r); |
10756 | } |
10757 | } |
90ae6d4e |
10758 | #ifndef FORCE32 |
57871462 |
10759 | printf(" UU:"); |
10760 | for(r=1;r<=CCREG;r++) { |
10761 | if(((unneeded_reg_upper[i]&~unneeded_reg[i])>>r)&1) { |
10762 | if(r==HIREG) printf(" HI"); |
10763 | else if(r==LOREG) printf(" LO"); |
10764 | else printf(" r%d",r); |
10765 | } |
10766 | } |
10767 | printf(" 32:"); |
10768 | for(r=0;r<=CCREG;r++) { |
10769 | //if(((is32[i]>>r)&(~unneeded_reg[i]>>r))&1) { |
10770 | if((regs[i].was32>>r)&1) { |
10771 | if(r==CCREG) printf(" CC"); |
10772 | else if(r==HIREG) printf(" HI"); |
10773 | else if(r==LOREG) printf(" LO"); |
10774 | else printf(" r%d",r); |
10775 | } |
10776 | } |
90ae6d4e |
10777 | #endif |
57871462 |
10778 | printf("\n"); |
10779 | #if defined(__i386__) || defined(__x86_64__) |
10780 | printf("pre: eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",regmap_pre[i][0],regmap_pre[i][1],regmap_pre[i][2],regmap_pre[i][3],regmap_pre[i][5],regmap_pre[i][6],regmap_pre[i][7]); |
10781 | #endif |
10782 | #ifdef __arm__ |
10783 | printf("pre: r0=%d r1=%d r2=%d r3=%d r4=%d r5=%d r6=%d r7=%d r8=%d r9=%d r10=%d r12=%d\n",regmap_pre[i][0],regmap_pre[i][1],regmap_pre[i][2],regmap_pre[i][3],regmap_pre[i][4],regmap_pre[i][5],regmap_pre[i][6],regmap_pre[i][7],regmap_pre[i][8],regmap_pre[i][9],regmap_pre[i][10],regmap_pre[i][12]); |
10784 | #endif |
10785 | printf("needs: "); |
10786 | if(needed_reg[i]&1) printf("eax "); |
10787 | if((needed_reg[i]>>1)&1) printf("ecx "); |
10788 | if((needed_reg[i]>>2)&1) printf("edx "); |
10789 | if((needed_reg[i]>>3)&1) printf("ebx "); |
10790 | if((needed_reg[i]>>5)&1) printf("ebp "); |
10791 | if((needed_reg[i]>>6)&1) printf("esi "); |
10792 | if((needed_reg[i]>>7)&1) printf("edi "); |
10793 | printf("r:"); |
10794 | for(r=0;r<=CCREG;r++) { |
10795 | //if(((requires_32bit[i]>>r)&(~unneeded_reg[i]>>r))&1) { |
10796 | if((requires_32bit[i]>>r)&1) { |
10797 | if(r==CCREG) printf(" CC"); |
10798 | else if(r==HIREG) printf(" HI"); |
10799 | else if(r==LOREG) printf(" LO"); |
10800 | else printf(" r%d",r); |
10801 | } |
10802 | } |
10803 | printf("\n"); |
10804 | /*printf("pr:"); |
10805 | for(r=0;r<=CCREG;r++) { |
10806 | //if(((requires_32bit[i]>>r)&(~unneeded_reg[i]>>r))&1) { |
10807 | if((pr32[i]>>r)&1) { |
10808 | if(r==CCREG) printf(" CC"); |
10809 | else if(r==HIREG) printf(" HI"); |
10810 | else if(r==LOREG) printf(" LO"); |
10811 | else printf(" r%d",r); |
10812 | } |
10813 | } |
10814 | if(pr32[i]!=requires_32bit[i]) printf(" OOPS"); |
10815 | printf("\n");*/ |
10816 | #if defined(__i386__) || defined(__x86_64__) |
10817 | printf("entry: eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",regs[i].regmap_entry[0],regs[i].regmap_entry[1],regs[i].regmap_entry[2],regs[i].regmap_entry[3],regs[i].regmap_entry[5],regs[i].regmap_entry[6],regs[i].regmap_entry[7]); |
10818 | printf("dirty: "); |
10819 | if(regs[i].wasdirty&1) printf("eax "); |
10820 | if((regs[i].wasdirty>>1)&1) printf("ecx "); |
10821 | if((regs[i].wasdirty>>2)&1) printf("edx "); |
10822 | if((regs[i].wasdirty>>3)&1) printf("ebx "); |
10823 | if((regs[i].wasdirty>>5)&1) printf("ebp "); |
10824 | if((regs[i].wasdirty>>6)&1) printf("esi "); |
10825 | if((regs[i].wasdirty>>7)&1) printf("edi "); |
10826 | #endif |
10827 | #ifdef __arm__ |
10828 | printf("entry: r0=%d r1=%d r2=%d r3=%d r4=%d r5=%d r6=%d r7=%d r8=%d r9=%d r10=%d r12=%d\n",regs[i].regmap_entry[0],regs[i].regmap_entry[1],regs[i].regmap_entry[2],regs[i].regmap_entry[3],regs[i].regmap_entry[4],regs[i].regmap_entry[5],regs[i].regmap_entry[6],regs[i].regmap_entry[7],regs[i].regmap_entry[8],regs[i].regmap_entry[9],regs[i].regmap_entry[10],regs[i].regmap_entry[12]); |
10829 | printf("dirty: "); |
10830 | if(regs[i].wasdirty&1) printf("r0 "); |
10831 | if((regs[i].wasdirty>>1)&1) printf("r1 "); |
10832 | if((regs[i].wasdirty>>2)&1) printf("r2 "); |
10833 | if((regs[i].wasdirty>>3)&1) printf("r3 "); |
10834 | if((regs[i].wasdirty>>4)&1) printf("r4 "); |
10835 | if((regs[i].wasdirty>>5)&1) printf("r5 "); |
10836 | if((regs[i].wasdirty>>6)&1) printf("r6 "); |
10837 | if((regs[i].wasdirty>>7)&1) printf("r7 "); |
10838 | if((regs[i].wasdirty>>8)&1) printf("r8 "); |
10839 | if((regs[i].wasdirty>>9)&1) printf("r9 "); |
10840 | if((regs[i].wasdirty>>10)&1) printf("r10 "); |
10841 | if((regs[i].wasdirty>>12)&1) printf("r12 "); |
10842 | #endif |
10843 | printf("\n"); |
10844 | disassemble_inst(i); |
10845 | //printf ("ccadj[%d] = %d\n",i,ccadj[i]); |
10846 | #if defined(__i386__) || defined(__x86_64__) |
10847 | printf("eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d dirty: ",regs[i].regmap[0],regs[i].regmap[1],regs[i].regmap[2],regs[i].regmap[3],regs[i].regmap[5],regs[i].regmap[6],regs[i].regmap[7]); |
10848 | if(regs[i].dirty&1) printf("eax "); |
10849 | if((regs[i].dirty>>1)&1) printf("ecx "); |
10850 | if((regs[i].dirty>>2)&1) printf("edx "); |
10851 | if((regs[i].dirty>>3)&1) printf("ebx "); |
10852 | if((regs[i].dirty>>5)&1) printf("ebp "); |
10853 | if((regs[i].dirty>>6)&1) printf("esi "); |
10854 | if((regs[i].dirty>>7)&1) printf("edi "); |
10855 | #endif |
10856 | #ifdef __arm__ |
10857 | printf("r0=%d r1=%d r2=%d r3=%d r4=%d r5=%d r6=%d r7=%d r8=%d r9=%d r10=%d r12=%d dirty: ",regs[i].regmap[0],regs[i].regmap[1],regs[i].regmap[2],regs[i].regmap[3],regs[i].regmap[4],regs[i].regmap[5],regs[i].regmap[6],regs[i].regmap[7],regs[i].regmap[8],regs[i].regmap[9],regs[i].regmap[10],regs[i].regmap[12]); |
10858 | if(regs[i].dirty&1) printf("r0 "); |
10859 | if((regs[i].dirty>>1)&1) printf("r1 "); |
10860 | if((regs[i].dirty>>2)&1) printf("r2 "); |
10861 | if((regs[i].dirty>>3)&1) printf("r3 "); |
10862 | if((regs[i].dirty>>4)&1) printf("r4 "); |
10863 | if((regs[i].dirty>>5)&1) printf("r5 "); |
10864 | if((regs[i].dirty>>6)&1) printf("r6 "); |
10865 | if((regs[i].dirty>>7)&1) printf("r7 "); |
10866 | if((regs[i].dirty>>8)&1) printf("r8 "); |
10867 | if((regs[i].dirty>>9)&1) printf("r9 "); |
10868 | if((regs[i].dirty>>10)&1) printf("r10 "); |
10869 | if((regs[i].dirty>>12)&1) printf("r12 "); |
10870 | #endif |
10871 | printf("\n"); |
10872 | if(regs[i].isconst) { |
10873 | printf("constants: "); |
10874 | #if defined(__i386__) || defined(__x86_64__) |
10875 | if(regs[i].isconst&1) printf("eax=%x ",(int)constmap[i][0]); |
10876 | if((regs[i].isconst>>1)&1) printf("ecx=%x ",(int)constmap[i][1]); |
10877 | if((regs[i].isconst>>2)&1) printf("edx=%x ",(int)constmap[i][2]); |
10878 | if((regs[i].isconst>>3)&1) printf("ebx=%x ",(int)constmap[i][3]); |
10879 | if((regs[i].isconst>>5)&1) printf("ebp=%x ",(int)constmap[i][5]); |
10880 | if((regs[i].isconst>>6)&1) printf("esi=%x ",(int)constmap[i][6]); |
10881 | if((regs[i].isconst>>7)&1) printf("edi=%x ",(int)constmap[i][7]); |
10882 | #endif |
10883 | #ifdef __arm__ |
10884 | if(regs[i].isconst&1) printf("r0=%x ",(int)constmap[i][0]); |
10885 | if((regs[i].isconst>>1)&1) printf("r1=%x ",(int)constmap[i][1]); |
10886 | if((regs[i].isconst>>2)&1) printf("r2=%x ",(int)constmap[i][2]); |
10887 | if((regs[i].isconst>>3)&1) printf("r3=%x ",(int)constmap[i][3]); |
10888 | if((regs[i].isconst>>4)&1) printf("r4=%x ",(int)constmap[i][4]); |
10889 | if((regs[i].isconst>>5)&1) printf("r5=%x ",(int)constmap[i][5]); |
10890 | if((regs[i].isconst>>6)&1) printf("r6=%x ",(int)constmap[i][6]); |
10891 | if((regs[i].isconst>>7)&1) printf("r7=%x ",(int)constmap[i][7]); |
10892 | if((regs[i].isconst>>8)&1) printf("r8=%x ",(int)constmap[i][8]); |
10893 | if((regs[i].isconst>>9)&1) printf("r9=%x ",(int)constmap[i][9]); |
10894 | if((regs[i].isconst>>10)&1) printf("r10=%x ",(int)constmap[i][10]); |
10895 | if((regs[i].isconst>>12)&1) printf("r12=%x ",(int)constmap[i][12]); |
10896 | #endif |
10897 | printf("\n"); |
10898 | } |
90ae6d4e |
10899 | #ifndef FORCE32 |
57871462 |
10900 | printf(" 32:"); |
10901 | for(r=0;r<=CCREG;r++) { |
10902 | if((regs[i].is32>>r)&1) { |
10903 | if(r==CCREG) printf(" CC"); |
10904 | else if(r==HIREG) printf(" HI"); |
10905 | else if(r==LOREG) printf(" LO"); |
10906 | else printf(" r%d",r); |
10907 | } |
10908 | } |
10909 | printf("\n"); |
90ae6d4e |
10910 | #endif |
57871462 |
10911 | /*printf(" p32:"); |
10912 | for(r=0;r<=CCREG;r++) { |
10913 | if((p32[i]>>r)&1) { |
10914 | if(r==CCREG) printf(" CC"); |
10915 | else if(r==HIREG) printf(" HI"); |
10916 | else if(r==LOREG) printf(" LO"); |
10917 | else printf(" r%d",r); |
10918 | } |
10919 | } |
10920 | if(p32[i]!=regs[i].is32) printf(" NO MATCH\n"); |
10921 | else printf("\n");*/ |
10922 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) { |
10923 | #if defined(__i386__) || defined(__x86_64__) |
10924 | printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d dirty: ",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]); |
10925 | if(branch_regs[i].dirty&1) printf("eax "); |
10926 | if((branch_regs[i].dirty>>1)&1) printf("ecx "); |
10927 | if((branch_regs[i].dirty>>2)&1) printf("edx "); |
10928 | if((branch_regs[i].dirty>>3)&1) printf("ebx "); |
10929 | if((branch_regs[i].dirty>>5)&1) printf("ebp "); |
10930 | if((branch_regs[i].dirty>>6)&1) printf("esi "); |
10931 | if((branch_regs[i].dirty>>7)&1) printf("edi "); |
10932 | #endif |
10933 | #ifdef __arm__ |
10934 | printf("branch(%d): r0=%d r1=%d r2=%d r3=%d r4=%d r5=%d r6=%d r7=%d r8=%d r9=%d r10=%d r12=%d dirty: ",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[4],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7],branch_regs[i].regmap[8],branch_regs[i].regmap[9],branch_regs[i].regmap[10],branch_regs[i].regmap[12]); |
10935 | if(branch_regs[i].dirty&1) printf("r0 "); |
10936 | if((branch_regs[i].dirty>>1)&1) printf("r1 "); |
10937 | if((branch_regs[i].dirty>>2)&1) printf("r2 "); |
10938 | if((branch_regs[i].dirty>>3)&1) printf("r3 "); |
10939 | if((branch_regs[i].dirty>>4)&1) printf("r4 "); |
10940 | if((branch_regs[i].dirty>>5)&1) printf("r5 "); |
10941 | if((branch_regs[i].dirty>>6)&1) printf("r6 "); |
10942 | if((branch_regs[i].dirty>>7)&1) printf("r7 "); |
10943 | if((branch_regs[i].dirty>>8)&1) printf("r8 "); |
10944 | if((branch_regs[i].dirty>>9)&1) printf("r9 "); |
10945 | if((branch_regs[i].dirty>>10)&1) printf("r10 "); |
10946 | if((branch_regs[i].dirty>>12)&1) printf("r12 "); |
10947 | #endif |
90ae6d4e |
10948 | #ifndef FORCE32 |
57871462 |
10949 | printf(" 32:"); |
10950 | for(r=0;r<=CCREG;r++) { |
10951 | if((branch_regs[i].is32>>r)&1) { |
10952 | if(r==CCREG) printf(" CC"); |
10953 | else if(r==HIREG) printf(" HI"); |
10954 | else if(r==LOREG) printf(" LO"); |
10955 | else printf(" r%d",r); |
10956 | } |
10957 | } |
10958 | printf("\n"); |
90ae6d4e |
10959 | #endif |
57871462 |
10960 | } |
10961 | } |
10962 | |
10963 | /* Pass 8 - Assembly */ |
10964 | linkcount=0;stubcount=0; |
10965 | ds=0;is_delayslot=0; |
10966 | cop1_usable=0; |
10967 | uint64_t is32_pre=0; |
10968 | u_int dirty_pre=0; |
10969 | u_int beginning=(u_int)out; |
10970 | if((u_int)addr&1) { |
10971 | ds=1; |
10972 | pagespan_ds(); |
10973 | } |
9ad4d757 |
10974 | u_int instr_addr0_override=0; |
10975 | |
10976 | #ifdef PCSX |
10977 | if (start == 0x80030000) { |
10978 | // nasty hack for fastbios thing |
96186eba |
10979 | // override block entry to this code |
9ad4d757 |
10980 | instr_addr0_override=(u_int)out; |
10981 | emit_movimm(start,0); |
96186eba |
10982 | // abuse io address var as a flag that we |
10983 | // have already returned here once |
10984 | emit_readword((int)&address,1); |
9ad4d757 |
10985 | emit_writeword(0,(int)&pcaddr); |
96186eba |
10986 | emit_writeword(0,(int)&address); |
9ad4d757 |
10987 | emit_cmp(0,1); |
10988 | emit_jne((int)new_dyna_leave); |
10989 | } |
10990 | #endif |
57871462 |
10991 | for(i=0;i<slen;i++) |
10992 | { |
10993 | //if(ds) printf("ds: "); |
10994 | if((void*)assem_debug==(void*)printf) disassemble_inst(i); |
10995 | if(ds) { |
10996 | ds=0; // Skip delay slot |
10997 | if(bt[i]) assem_debug("OOPS - branch into delay slot\n"); |
10998 | instr_addr[i]=0; |
10999 | } else { |
11000 | #ifndef DESTRUCTIVE_WRITEBACK |
11001 | if(i<2||(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000)) |
11002 | { |
11003 | wb_sx(regmap_pre[i],regs[i].regmap_entry,regs[i].wasdirty,is32_pre,regs[i].was32, |
11004 | unneeded_reg[i],unneeded_reg_upper[i]); |
11005 | wb_valid(regmap_pre[i],regs[i].regmap_entry,dirty_pre,regs[i].wasdirty,is32_pre, |
11006 | unneeded_reg[i],unneeded_reg_upper[i]); |
11007 | } |
f776eb14 |
11008 | if((itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP)&&!likely[i]) { |
11009 | is32_pre=branch_regs[i].is32; |
11010 | dirty_pre=branch_regs[i].dirty; |
11011 | }else{ |
11012 | is32_pre=regs[i].is32; |
11013 | dirty_pre=regs[i].dirty; |
11014 | } |
57871462 |
11015 | #endif |
11016 | // write back |
11017 | if(i<2||(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000)) |
11018 | { |
11019 | wb_invalidate(regmap_pre[i],regs[i].regmap_entry,regs[i].wasdirty,regs[i].was32, |
11020 | unneeded_reg[i],unneeded_reg_upper[i]); |
11021 | loop_preload(regmap_pre[i],regs[i].regmap_entry); |
11022 | } |
11023 | // branch target entry point |
11024 | instr_addr[i]=(u_int)out; |
11025 | assem_debug("<->\n"); |
11026 | // load regs |
11027 | if(regs[i].regmap_entry[HOST_CCREG]==CCREG&®s[i].regmap[HOST_CCREG]!=CCREG) |
11028 | wb_register(CCREG,regs[i].regmap_entry,regs[i].wasdirty,regs[i].was32); |
11029 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i],rs2[i]); |
11030 | address_generation(i,®s[i],regs[i].regmap_entry); |
11031 | load_consts(regmap_pre[i],regs[i].regmap,regs[i].was32,i); |
11032 | if(itype[i]==RJUMP||itype[i]==UJUMP||itype[i]==CJUMP||itype[i]==SJUMP||itype[i]==FJUMP) |
11033 | { |
11034 | // Load the delay slot registers if necessary |
4ef8f67d |
11035 | if(rs1[i+1]!=rs1[i]&&rs1[i+1]!=rs2[i]&&(rs1[i+1]!=rt1[i]||rt1[i]==0)) |
57871462 |
11036 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i+1],rs1[i+1]); |
4ef8f67d |
11037 | if(rs2[i+1]!=rs1[i+1]&&rs2[i+1]!=rs1[i]&&rs2[i+1]!=rs2[i]&&(rs2[i+1]!=rt1[i]||rt1[i]==0)) |
57871462 |
11038 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs2[i+1],rs2[i+1]); |
b9b61529 |
11039 | if(itype[i+1]==STORE||itype[i+1]==STORELR||(opcode[i+1]&0x3b)==0x39||(opcode[i+1]&0x3b)==0x3a) |
57871462 |
11040 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,INVCP,INVCP); |
11041 | } |
11042 | else if(i+1<slen) |
11043 | { |
11044 | // Preload registers for following instruction |
11045 | if(rs1[i+1]!=rs1[i]&&rs1[i+1]!=rs2[i]) |
11046 | if(rs1[i+1]!=rt1[i]&&rs1[i+1]!=rt2[i]) |
11047 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs1[i+1],rs1[i+1]); |
11048 | if(rs2[i+1]!=rs1[i+1]&&rs2[i+1]!=rs1[i]&&rs2[i+1]!=rs2[i]) |
11049 | if(rs2[i+1]!=rt1[i]&&rs2[i+1]!=rt2[i]) |
11050 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,rs2[i+1],rs2[i+1]); |
11051 | } |
11052 | // TODO: if(is_ooo(i)) address_generation(i+1); |
11053 | if(itype[i]==CJUMP||itype[i]==FJUMP) |
11054 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,CCREG,CCREG); |
b9b61529 |
11055 | if(itype[i]==STORE||itype[i]==STORELR||(opcode[i]&0x3b)==0x39||(opcode[i]&0x3b)==0x3a) |
57871462 |
11056 | load_regs(regs[i].regmap_entry,regs[i].regmap,regs[i].was32,INVCP,INVCP); |
11057 | if(bt[i]) cop1_usable=0; |
11058 | // assemble |
11059 | switch(itype[i]) { |
11060 | case ALU: |
11061 | alu_assemble(i,®s[i]);break; |
11062 | case IMM16: |
11063 | imm16_assemble(i,®s[i]);break; |
11064 | case SHIFT: |
11065 | shift_assemble(i,®s[i]);break; |
11066 | case SHIFTIMM: |
11067 | shiftimm_assemble(i,®s[i]);break; |
11068 | case LOAD: |
11069 | load_assemble(i,®s[i]);break; |
11070 | case LOADLR: |
11071 | loadlr_assemble(i,®s[i]);break; |
11072 | case STORE: |
11073 | store_assemble(i,®s[i]);break; |
11074 | case STORELR: |
11075 | storelr_assemble(i,®s[i]);break; |
11076 | case COP0: |
11077 | cop0_assemble(i,®s[i]);break; |
11078 | case COP1: |
11079 | cop1_assemble(i,®s[i]);break; |
11080 | case C1LS: |
11081 | c1ls_assemble(i,®s[i]);break; |
b9b61529 |
11082 | case COP2: |
11083 | cop2_assemble(i,®s[i]);break; |
11084 | case C2LS: |
11085 | c2ls_assemble(i,®s[i]);break; |
11086 | case C2OP: |
11087 | c2op_assemble(i,®s[i]);break; |
57871462 |
11088 | case FCONV: |
11089 | fconv_assemble(i,®s[i]);break; |
11090 | case FLOAT: |
11091 | float_assemble(i,®s[i]);break; |
11092 | case FCOMP: |
11093 | fcomp_assemble(i,®s[i]);break; |
11094 | case MULTDIV: |
11095 | multdiv_assemble(i,®s[i]);break; |
11096 | case MOV: |
11097 | mov_assemble(i,®s[i]);break; |
11098 | case SYSCALL: |
11099 | syscall_assemble(i,®s[i]);break; |
7139f3c8 |
11100 | case HLECALL: |
11101 | hlecall_assemble(i,®s[i]);break; |
1e973cb0 |
11102 | case INTCALL: |
11103 | intcall_assemble(i,®s[i]);break; |
57871462 |
11104 | case UJUMP: |
11105 | ujump_assemble(i,®s[i]);ds=1;break; |
11106 | case RJUMP: |
11107 | rjump_assemble(i,®s[i]);ds=1;break; |
11108 | case CJUMP: |
11109 | cjump_assemble(i,®s[i]);ds=1;break; |
11110 | case SJUMP: |
11111 | sjump_assemble(i,®s[i]);ds=1;break; |
11112 | case FJUMP: |
11113 | fjump_assemble(i,®s[i]);ds=1;break; |
11114 | case SPAN: |
11115 | pagespan_assemble(i,®s[i]);break; |
11116 | } |
11117 | if(itype[i]==UJUMP||itype[i]==RJUMP||(source[i]>>16)==0x1000) |
11118 | literal_pool(1024); |
11119 | else |
11120 | literal_pool_jumpover(256); |
11121 | } |
11122 | } |
11123 | //assert(itype[i-2]==UJUMP||itype[i-2]==RJUMP||(source[i-2]>>16)==0x1000); |
11124 | // If the block did not end with an unconditional branch, |
11125 | // add a jump to the next instruction. |
11126 | if(i>1) { |
11127 | if(itype[i-2]!=UJUMP&&itype[i-2]!=RJUMP&&(source[i-2]>>16)!=0x1000&&itype[i-1]!=SPAN) { |
11128 | assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP); |
11129 | assert(i==slen); |
11130 | if(itype[i-2]!=CJUMP&&itype[i-2]!=SJUMP&&itype[i-2]!=FJUMP) { |
11131 | store_regs_bt(regs[i-1].regmap,regs[i-1].is32,regs[i-1].dirty,start+i*4); |
11132 | if(regs[i-1].regmap[HOST_CCREG]!=CCREG) |
11133 | emit_loadreg(CCREG,HOST_CCREG); |
11134 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*(ccadj[i-1]+1),HOST_CCREG); |
11135 | } |
11136 | else if(!likely[i-2]) |
11137 | { |
11138 | store_regs_bt(branch_regs[i-2].regmap,branch_regs[i-2].is32,branch_regs[i-2].dirty,start+i*4); |
11139 | assert(branch_regs[i-2].regmap[HOST_CCREG]==CCREG); |
11140 | } |
11141 | else |
11142 | { |
11143 | store_regs_bt(regs[i-2].regmap,regs[i-2].is32,regs[i-2].dirty,start+i*4); |
11144 | assert(regs[i-2].regmap[HOST_CCREG]==CCREG); |
11145 | } |
11146 | add_to_linker((int)out,start+i*4,0); |
11147 | emit_jmp(0); |
11148 | } |
11149 | } |
11150 | else |
11151 | { |
11152 | assert(i>0); |
11153 | assert(itype[i-1]!=UJUMP&&itype[i-1]!=CJUMP&&itype[i-1]!=SJUMP&&itype[i-1]!=RJUMP&&itype[i-1]!=FJUMP); |
11154 | store_regs_bt(regs[i-1].regmap,regs[i-1].is32,regs[i-1].dirty,start+i*4); |
11155 | if(regs[i-1].regmap[HOST_CCREG]!=CCREG) |
11156 | emit_loadreg(CCREG,HOST_CCREG); |
11157 | emit_addimm(HOST_CCREG,CLOCK_DIVIDER*(ccadj[i-1]+1),HOST_CCREG); |
11158 | add_to_linker((int)out,start+i*4,0); |
11159 | emit_jmp(0); |
11160 | } |
11161 | |
11162 | // TODO: delay slot stubs? |
11163 | // Stubs |
11164 | for(i=0;i<stubcount;i++) |
11165 | { |
11166 | switch(stubs[i][0]) |
11167 | { |
11168 | case LOADB_STUB: |
11169 | case LOADH_STUB: |
11170 | case LOADW_STUB: |
11171 | case LOADD_STUB: |
11172 | case LOADBU_STUB: |
11173 | case LOADHU_STUB: |
11174 | do_readstub(i);break; |
11175 | case STOREB_STUB: |
11176 | case STOREH_STUB: |
11177 | case STOREW_STUB: |
11178 | case STORED_STUB: |
11179 | do_writestub(i);break; |
11180 | case CC_STUB: |
11181 | do_ccstub(i);break; |
11182 | case INVCODE_STUB: |
11183 | do_invstub(i);break; |
11184 | case FP_STUB: |
11185 | do_cop1stub(i);break; |
11186 | case STORELR_STUB: |
11187 | do_unalignedwritestub(i);break; |
11188 | } |
11189 | } |
11190 | |
9ad4d757 |
11191 | if (instr_addr0_override) |
11192 | instr_addr[0] = instr_addr0_override; |
11193 | |
57871462 |
11194 | /* Pass 9 - Linker */ |
11195 | for(i=0;i<linkcount;i++) |
11196 | { |
11197 | assem_debug("%8x -> %8x\n",link_addr[i][0],link_addr[i][1]); |
11198 | literal_pool(64); |
11199 | if(!link_addr[i][2]) |
11200 | { |
11201 | void *stub=out; |
11202 | void *addr=check_addr(link_addr[i][1]); |
11203 | emit_extjump(link_addr[i][0],link_addr[i][1]); |
11204 | if(addr) { |
11205 | set_jump_target(link_addr[i][0],(int)addr); |
11206 | add_link(link_addr[i][1],stub); |
11207 | } |
11208 | else set_jump_target(link_addr[i][0],(int)stub); |
11209 | } |
11210 | else |
11211 | { |
11212 | // Internal branch |
11213 | int target=(link_addr[i][1]-start)>>2; |
11214 | assert(target>=0&&target<slen); |
11215 | assert(instr_addr[target]); |
11216 | //#ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
11217 | //set_jump_target_fillslot(link_addr[i][0],instr_addr[target],link_addr[i][2]>>1); |
11218 | //#else |
11219 | set_jump_target(link_addr[i][0],instr_addr[target]); |
11220 | //#endif |
11221 | } |
11222 | } |
11223 | // External Branch Targets (jump_in) |
11224 | if(copy+slen*4>(void *)shadow+sizeof(shadow)) copy=shadow; |
11225 | for(i=0;i<slen;i++) |
11226 | { |
11227 | if(bt[i]||i==0) |
11228 | { |
11229 | if(instr_addr[i]) // TODO - delay slots (=null) |
11230 | { |
11231 | u_int vaddr=start+i*4; |
94d23bb9 |
11232 | u_int page=get_page(vaddr); |
11233 | u_int vpage=get_vpage(vaddr); |
57871462 |
11234 | literal_pool(256); |
11235 | //if(!(is32[i]&(~unneeded_reg_upper[i])&~(1LL<<CCREG))) |
a28c6ce8 |
11236 | #ifndef FORCE32 |
57871462 |
11237 | if(!requires_32bit[i]) |
a28c6ce8 |
11238 | #else |
11239 | if(1) |
11240 | #endif |
57871462 |
11241 | { |
11242 | assem_debug("%8x (%d) <- %8x\n",instr_addr[i],i,start+i*4); |
11243 | assem_debug("jump_in: %x\n",start+i*4); |
11244 | ll_add(jump_dirty+vpage,vaddr,(void *)out); |
11245 | int entry_point=do_dirty_stub(i); |
11246 | ll_add(jump_in+page,vaddr,(void *)entry_point); |
11247 | // If there was an existing entry in the hash table, |
11248 | // replace it with the new address. |
11249 | // Don't add new entries. We'll insert the |
11250 | // ones that actually get used in check_addr(). |
11251 | int *ht_bin=hash_table[((vaddr>>16)^vaddr)&0xFFFF]; |
11252 | if(ht_bin[0]==vaddr) { |
11253 | ht_bin[1]=entry_point; |
11254 | } |
11255 | if(ht_bin[2]==vaddr) { |
11256 | ht_bin[3]=entry_point; |
11257 | } |
11258 | } |
11259 | else |
11260 | { |
11261 | u_int r=requires_32bit[i]|!!(requires_32bit[i]>>32); |
11262 | assem_debug("%8x (%d) <- %8x\n",instr_addr[i],i,start+i*4); |
11263 | assem_debug("jump_in: %x (restricted - %x)\n",start+i*4,r); |
11264 | //int entry_point=(int)out; |
11265 | ////assem_debug("entry_point: %x\n",entry_point); |
11266 | //load_regs_entry(i); |
11267 | //if(entry_point==(int)out) |
11268 | // entry_point=instr_addr[i]; |
11269 | //else |
11270 | // emit_jmp(instr_addr[i]); |
11271 | //ll_add_32(jump_in+page,vaddr,r,(void *)entry_point); |
11272 | ll_add_32(jump_dirty+vpage,vaddr,r,(void *)out); |
11273 | int entry_point=do_dirty_stub(i); |
11274 | ll_add_32(jump_in+page,vaddr,r,(void *)entry_point); |
11275 | } |
11276 | } |
11277 | } |
11278 | } |
11279 | // Write out the literal pool if necessary |
11280 | literal_pool(0); |
11281 | #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK |
11282 | // Align code |
11283 | if(((u_int)out)&7) emit_addnop(13); |
11284 | #endif |
11285 | assert((u_int)out-beginning<MAX_OUTPUT_BLOCK_SIZE); |
11286 | //printf("shadow buffer: %x-%x\n",(int)copy,(int)copy+slen*4); |
11287 | memcpy(copy,source,slen*4); |
11288 | copy+=slen*4; |
11289 | |
11290 | #ifdef __arm__ |
11291 | __clear_cache((void *)beginning,out); |
11292 | #endif |
11293 | |
11294 | // If we're within 256K of the end of the buffer, |
11295 | // start over from the beginning. (Is 256K enough?) |
11296 | if((int)out>BASE_ADDR+(1<<TARGET_SIZE_2)-MAX_OUTPUT_BLOCK_SIZE) out=(u_char *)BASE_ADDR; |
11297 | |
11298 | // Trap writes to any of the pages we compiled |
11299 | for(i=start>>12;i<=(start+slen*4)>>12;i++) { |
11300 | invalid_code[i]=0; |
90ae6d4e |
11301 | #ifndef DISABLE_TLB |
57871462 |
11302 | memory_map[i]|=0x40000000; |
11303 | if((signed int)start>=(signed int)0xC0000000) { |
11304 | assert(using_tlb); |
11305 | j=(((u_int)i<<12)+(memory_map[i]<<2)-(u_int)rdram+(u_int)0x80000000)>>12; |
11306 | invalid_code[j]=0; |
11307 | memory_map[j]|=0x40000000; |
11308 | //printf("write protect physical page: %x (virtual %x)\n",j<<12,start); |
11309 | } |
90ae6d4e |
11310 | #endif |
57871462 |
11311 | } |
b12c9fb8 |
11312 | #ifdef PCSX |
11313 | // PCSX maps all RAM mirror invalid_code tests to 0x80000000..0x80000000+RAM_SIZE |
11314 | if(get_page(start)<(RAM_SIZE>>12)) |
11315 | for(i=start>>12;i<=(start+slen*4)>>12;i++) |
11316 | invalid_code[((u_int)0x80000000>>12)|i]=0; |
11317 | #endif |
57871462 |
11318 | |
11319 | /* Pass 10 - Free memory by expiring oldest blocks */ |
11320 | |
11321 | int end=((((int)out-BASE_ADDR)>>(TARGET_SIZE_2-16))+16384)&65535; |
11322 | while(expirep!=end) |
11323 | { |
11324 | int shift=TARGET_SIZE_2-3; // Divide into 8 blocks |
11325 | int base=BASE_ADDR+((expirep>>13)<<shift); // Base address of this block |
11326 | inv_debug("EXP: Phase %d\n",expirep); |
11327 | switch((expirep>>11)&3) |
11328 | { |
11329 | case 0: |
11330 | // Clear jump_in and jump_dirty |
11331 | ll_remove_matching_addrs(jump_in+(expirep&2047),base,shift); |
11332 | ll_remove_matching_addrs(jump_dirty+(expirep&2047),base,shift); |
11333 | ll_remove_matching_addrs(jump_in+2048+(expirep&2047),base,shift); |
11334 | ll_remove_matching_addrs(jump_dirty+2048+(expirep&2047),base,shift); |
11335 | break; |
11336 | case 1: |
11337 | // Clear pointers |
11338 | ll_kill_pointers(jump_out[expirep&2047],base,shift); |
11339 | ll_kill_pointers(jump_out[(expirep&2047)+2048],base,shift); |
11340 | break; |
11341 | case 2: |
11342 | // Clear hash table |
11343 | for(i=0;i<32;i++) { |
11344 | int *ht_bin=hash_table[((expirep&2047)<<5)+i]; |
11345 | if((ht_bin[3]>>shift)==(base>>shift) || |
11346 | ((ht_bin[3]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) { |
11347 | inv_debug("EXP: Remove hash %x -> %x\n",ht_bin[2],ht_bin[3]); |
11348 | ht_bin[2]=ht_bin[3]=-1; |
11349 | } |
11350 | if((ht_bin[1]>>shift)==(base>>shift) || |
11351 | ((ht_bin[1]-MAX_OUTPUT_BLOCK_SIZE)>>shift)==(base>>shift)) { |
11352 | inv_debug("EXP: Remove hash %x -> %x\n",ht_bin[0],ht_bin[1]); |
11353 | ht_bin[0]=ht_bin[2]; |
11354 | ht_bin[1]=ht_bin[3]; |
11355 | ht_bin[2]=ht_bin[3]=-1; |
11356 | } |
11357 | } |
11358 | break; |
11359 | case 3: |
11360 | // Clear jump_out |
dd3a91a1 |
11361 | #ifdef __arm__ |
11362 | if((expirep&2047)==0) |
11363 | do_clear_cache(); |
11364 | #endif |
57871462 |
11365 | ll_remove_matching_addrs(jump_out+(expirep&2047),base,shift); |
11366 | ll_remove_matching_addrs(jump_out+2048+(expirep&2047),base,shift); |
11367 | break; |
11368 | } |
11369 | expirep=(expirep+1)&65535; |
11370 | } |
11371 | return 0; |
11372 | } |
b9b61529 |
11373 | |
11374 | // vim:shiftwidth=2:expandtab |