#ifdef _3DS
#include <3ds_utils.h>
#endif
-#ifdef VITA
-#include <psp2/kernel/sysmem.h>
-static int sceBlock;
-#endif
#include "new_dynarec_config.h"
#include "../psxhle.h"
#include "../psxinterpreter.h"
#include "../gte.h"
#include "emu_if.h" // emulator interface
+#include "arm_features.h"
#define noinline __attribute__((noinline,noclone))
#ifndef ARRAY_SIZE
//#define DISASM
//#define ASSEM_PRINT
+//#define STAT_PRINT
#ifdef ASSEM_PRINT
#define assem_debug printf
#define MAXBLOCK 4096
#define MAX_OUTPUT_BLOCK_SIZE 262144
+#ifdef VITA
+// apparently Vita has a 16MB limit, so either we cut tc in half,
+// or use this hack (it's a hack because tc size was designed to be power-of-2)
+#define TC_REDUCE_BYTES 4096
+#else
+#define TC_REDUCE_BYTES 0
+#endif
+
struct ndrc_mem
{
- u_char translation_cache[1 << TARGET_SIZE_2];
+ u_char translation_cache[(1 << TARGET_SIZE_2) - TC_REDUCE_BYTES];
struct
{
struct tramp_insns ops[2048 / sizeof(struct tramp_insns)];
INVCODE_STUB = 14,
};
+// regmap_pre[i] - regs before [i] insn starts; dirty things here that
+// don't match .regmap will be written back
+// [i].regmap_entry - regs that must be set up if someone jumps here
+// [i].regmap - regs [i] insn will read/(over)write
+// branch_regs[i].* - same as above but for branches, takes delay slot into account
struct regstat
{
- signed char regmap_entry[HOST_REGS]; // pre-insn + loop preloaded regs?
+ signed char regmap_entry[HOST_REGS];
signed char regmap[HOST_REGS];
uint64_t wasdirty;
uint64_t dirty;
u_char rs2;
u_char rt1;
u_char rt2;
- u_char lt1;
+ u_char use_lt1:1;
u_char bt:1;
u_char ooo:1;
u_char is_ds:1;
} dops[MAXBLOCK];
// used by asm:
- u_char *out;
struct ht_entry hash_table[65536] __attribute__((aligned(16)));
struct ll_entry *jump_in[4096] __attribute__((aligned(16)));
- struct ll_entry *jump_dirty[4096];
+ static u_char *out;
+ static struct ll_entry *jump_dirty[4096];
static struct ll_entry *jump_out[4096];
static u_int start;
static u_int *source;
- static char insn[MAXBLOCK][10];
static uint64_t gte_rs[MAXBLOCK]; // gte: 32 data and 32 ctl regs
static uint64_t gte_rt[MAXBLOCK];
static uint64_t gte_unneeded[MAXBLOCK];
static u_int ba[MAXBLOCK];
static uint64_t unneeded_reg[MAXBLOCK];
static uint64_t branch_unneeded_reg[MAXBLOCK];
- // pre-instruction [i], excluding loop-preload regs?
+ // see 'struct regstat' for a description
static signed char regmap_pre[MAXBLOCK][HOST_REGS];
// contains 'real' consts at [i] insn, but may differ from what's actually
// loaded in host reg as 'final' value is always loaded, see get_final_value()
static struct regstat regs[MAXBLOCK];
static struct regstat branch_regs[MAXBLOCK];
static signed char minimum_free_regs[MAXBLOCK];
- static u_int needed_reg[MAXBLOCK];
- static u_int wont_dirty[MAXBLOCK];
- static u_int will_dirty[MAXBLOCK];
static int ccadj[MAXBLOCK];
static int slen;
static void *instr_addr[MAXBLOCK];
static void *copy;
static int expirep;
static u_int stop_after_jal;
- static u_int f1_hack; // 0 - off, ~0 - capture address, else addr
+ static u_int f1_hack;
+#ifdef STAT_PRINT
+ static int stat_bc_direct;
+ static int stat_bc_pre;
+ static int stat_bc_restore;
+ static int stat_jump_in_lookups;
+ static int stat_restore_tries;
+ static int stat_restore_compares;
+ static int stat_inv_addr_calls;
+ static int stat_inv_hits;
+ #define stat_inc(s) s++
+#else
+ #define stat_inc(s)
+#endif
int new_dynarec_hacks;
int new_dynarec_hacks_pergame;
extern int branch_target;
extern uintptr_t ram_offset;
extern uintptr_t mini_ht[32][2];
- extern u_char restore_candidate[512];
/* registers that may be allocated */
/* 1-31 gpr */
//#define FLOAT 19 // Floating point unit
//#define FCONV 20 // Convert integer to float
//#define FCOMP 21 // Floating point compare (sets FSREG)
-#define SYSCALL 22// SYSCALL
+#define SYSCALL 22// SYSCALL,BREAK
#define OTHER 23 // Other
#define SPAN 24 // Branch/delay slot spans 2 pages
#define NI 25 // Not implemented
void *get_addr_ht(u_int vaddr);
void invalidate_block(u_int block);
void invalidate_addr(u_int addr);
-void remove_hash(int vaddr);
void dyna_linker();
void dyna_linker_ds();
void verify_code();
void cc_interrupt();
void fp_exception();
void fp_exception_ds();
+void jump_syscall (u_int u0, u_int u1, u_int pc);
+void jump_syscall_ds(u_int u0, u_int u1, u_int pc);
+void jump_break (u_int u0, u_int u1, u_int pc);
+void jump_break_ds(u_int u0, u_int u1, u_int pc);
void jump_to_new_pc();
void call_gteStall();
+void add_jump_out(u_int vaddr, void *src);
void new_dyna_leave();
+static void *get_clean_addr(void *addr);
+static void get_bounds(void *addr, u_char **start, u_char **end);
+static void ll_add_flags(struct ll_entry **head,int vaddr,u_int reg_sv_flags,void *addr);
+
// Needed by assembler
static void wb_register(signed char r, const signed char regmap[], uint64_t dirty);
static void wb_dirtys(const signed char i_regmap[], uint64_t i_dirty);
static void emit_far_jump(const void *f);
static void emit_far_call(const void *f);
+#ifdef VITA
+#include <psp2/kernel/sysmem.h>
+static int sceBlock;
+// note: this interacts with RetroArch's Vita bootstrap code: bootstrap/vita/sbrk.c
+extern int getVMBlock();
+int _newlib_vm_size_user = sizeof(*ndrc);
+#endif
+
static void mprotect_w_x(void *start, void *end, int is_x)
{
#ifdef NO_WRITE_EXEC
ht_bin->tcaddr[0] = tcaddr;
}
+static void mark_valid_code(u_int vaddr, u_int len)
+{
+ u_int i, j;
+ vaddr &= 0x1fffffff;
+ for (i = vaddr & ~0xfff; i < vaddr + len; i += 0x1000) {
+ // ram mirrors, but should not hurt bios
+ for (j = 0; j < 0x800000; j += 0x200000) {
+ invalid_code[(i|j) >> 12] =
+ invalid_code[(i|j|0x80000000u) >> 12] =
+ invalid_code[(i|j|0xa0000000u) >> 12] = 0;
+ }
+ }
+ inv_code_start = inv_code_end = ~0;
+}
+
// some messy ari64's code, seems to rely on unsigned 32bit overflow
static int doesnt_expire_soon(void *tcaddr)
{
return diff > (u_int)(0x60000000 + (MAX_OUTPUT_BLOCK_SIZE << (32-TARGET_SIZE_2)));
}
+void *ndrc_try_restore_block(u_int vaddr)
+{
+ u_char *source_start = NULL, *source_end = NULL;
+ void *found_stub = NULL, *found_clean = NULL;
+ u_int len, page = get_page(vaddr);
+ const struct ll_entry *head;
+ int ep_count = 0;
+
+ stat_inc(stat_restore_tries);
+ for (head = jump_dirty[page]; head != NULL; head = head->next)
+ {
+ if (head->vaddr != vaddr)
+ continue;
+ // don't restore blocks which are about to expire from the cache
+ if (!doesnt_expire_soon(head->addr))
+ continue;
+ stat_inc(stat_restore_compares);
+ if (!verify_dirty(head->addr))
+ continue;
+
+ found_stub = head->addr;
+ break;
+ }
+ if (!found_stub)
+ return NULL;
+
+ found_clean = get_clean_addr(found_stub);
+ get_bounds(found_stub, &source_start, &source_end);
+ assert(source_start < source_end);
+ len = source_end - source_start;
+ mark_valid_code(vaddr, len);
+
+ // restore all entry points
+ for (head = jump_dirty[page]; head != NULL; head = head->next)
+ {
+ if (head->vaddr < vaddr || head->vaddr >= vaddr + len)
+ continue;
+
+ u_char *start = NULL, *end = NULL;
+ get_bounds(head->addr, &start, &end);
+ if (start != source_start || end != source_end)
+ continue;
+
+ void *clean_addr = get_clean_addr(head->addr);
+ ll_add_flags(jump_in + page, head->vaddr, head->reg_sv_flags, clean_addr);
+
+ int in_ht = 0;
+ struct ht_entry *ht_bin = hash_table_get(head->vaddr);
+ if (ht_bin->vaddr[0] == head->vaddr) {
+ ht_bin->tcaddr[0] = clean_addr; // Replace existing entry
+ in_ht = 1;
+ }
+ if (ht_bin->vaddr[1] == head->vaddr) {
+ ht_bin->tcaddr[1] = clean_addr; // Replace existing entry
+ in_ht = 1;
+ }
+ if (!in_ht)
+ hash_table_add(ht_bin, head->vaddr, clean_addr);
+ ep_count++;
+ }
+ inv_debug("INV: Restored %08x %p (%d)\n", vaddr, found_stub, ep_count);
+ stat_inc(stat_bc_restore);
+ return found_clean;
+}
+
// Get address from virtual address
// This is called from the recompiled JR/JALR instructions
void noinline *get_addr(u_int vaddr)
{
- u_int page=get_page(vaddr);
- u_int vpage=get_vpage(vaddr);
+ u_int page = get_page(vaddr);
struct ll_entry *head;
- //printf("TRACE: count=%d next=%d (get_addr %x,page %d)\n",Count,next_interupt,vaddr,page);
- head=jump_in[page];
- while(head!=NULL) {
- if(head->vaddr==vaddr) {
- //printf("TRACE: count=%d next=%d (get_addr match %x: %p)\n",Count,next_interupt,vaddr,head->addr);
+ void *code;
+
+ stat_inc(stat_jump_in_lookups);
+ for (head = jump_in[page]; head != NULL; head = head->next) {
+ if (head->vaddr == vaddr) {
hash_table_add(hash_table_get(vaddr), vaddr, head->addr);
return head->addr;
}
- head=head->next;
}
- head=jump_dirty[vpage];
- while(head!=NULL) {
- if(head->vaddr==vaddr) {
- //printf("TRACE: count=%d next=%d (get_addr match dirty %x: %p)\n",Count,next_interupt,vaddr,head->addr);
- // Don't restore blocks which are about to expire from the cache
- if (doesnt_expire_soon(head->addr))
- if (verify_dirty(head->addr)) {
- //printf("restore candidate: %x (%d) d=%d\n",vaddr,page,invalid_code[vaddr>>12]);
- invalid_code[vaddr>>12]=0;
- inv_code_start=inv_code_end=~0;
- if(vpage<2048) {
- restore_candidate[vpage>>3]|=1<<(vpage&7);
- }
- else restore_candidate[page>>3]|=1<<(page&7);
- struct ht_entry *ht_bin = hash_table_get(vaddr);
- if (ht_bin->vaddr[0] == vaddr)
- ht_bin->tcaddr[0] = head->addr; // Replace existing entry
- else
- hash_table_add(ht_bin, vaddr, head->addr);
+ code = ndrc_try_restore_block(vaddr);
+ if (code)
+ return code;
- return head->addr;
- }
- }
- head=head->next;
- }
- //printf("TRACE: count=%d next=%d (get_addr no-match %x)\n",Count,next_interupt,vaddr);
- int r=new_recompile_block(vaddr);
- if(r==0) return get_addr(vaddr);
- // Execute in unmapped page, generate pagefault execption
+ int r = new_recompile_block(vaddr);
+ if (r == 0)
+ return get_addr(vaddr);
+
+ // generate an address error
Status|=2;
- Cause=(vaddr<<31)|0x8;
+ Cause=(vaddr<<31)|(4<<2);
EPC=(vaddr&1)?vaddr-5:vaddr;
BadVAddr=(vaddr&~1);
- Context=(Context&0xFF80000F)|((BadVAddr>>9)&0x007FFFF0);
- EntryHi=BadVAddr&0xFFFFE000;
- return get_addr_ht(0x80000000);
+ return get_addr_ht(0x80000080);
}
// Look up address in hash table first
void *get_addr_ht(u_int vaddr)
return get_addr(vaddr);
}
-void clear_all_regs(signed char regmap[])
+static void clear_all_regs(signed char regmap[])
+{
+ memset(regmap, -1, sizeof(regmap[0]) * HOST_REGS);
+}
+
+// get_reg: get allocated host reg from mips reg
+// returns -1 if no such mips reg was allocated
+#if defined(__arm__) && defined(HAVE_ARMV6) && HOST_REGS == 13 && EXCLUDE_REG == 11
+
+extern signed char get_reg(const signed char regmap[], signed char r);
+
+#else
+
+static signed char get_reg(const signed char regmap[], signed char r)
{
int hr;
- for (hr=0;hr<HOST_REGS;hr++) regmap[hr]=-1;
+ for (hr = 0; hr < HOST_REGS; hr++) {
+ if (hr == EXCLUDE_REG)
+ continue;
+ if (regmap[hr] == r)
+ return hr;
+ }
+ return -1;
+}
+
+#endif
+
+// get reg as mask bit (1 << hr)
+static u_int get_regm(const signed char regmap[], signed char r)
+{
+ return (1u << (get_reg(regmap, r) & 31)) & ~(1u << 31);
}
-static signed char get_reg(const signed char regmap[],int r)
+static signed char get_reg_temp(const signed char regmap[])
{
int hr;
- for (hr=0;hr<HOST_REGS;hr++) if(hr!=EXCLUDE_REG&®map[hr]==r) return hr;
+ for (hr = 0; hr < HOST_REGS; hr++) {
+ if (hr == EXCLUDE_REG)
+ continue;
+ if (regmap[hr] == (signed char)-1)
+ return hr;
+ }
return -1;
}
return -1;
}
-int count_free_regs(signed char regmap[])
+// reverse reg map: mips -> host
+#define RRMAP_SIZE 64
+static void make_rregs(const signed char regmap[], signed char rrmap[RRMAP_SIZE],
+ u_int *regs_can_change)
+{
+ u_int r, hr, hr_can_change = 0;
+ memset(rrmap, -1, RRMAP_SIZE);
+ for (hr = 0; hr < HOST_REGS; )
+ {
+ r = regmap[hr];
+ rrmap[r & (RRMAP_SIZE - 1)] = hr;
+ // only add mips $1-$31+$lo, others shifted out
+ hr_can_change |= (uint64_t)1 << (hr + ((r - 1) & 32));
+ hr++;
+ if (hr == EXCLUDE_REG)
+ hr++;
+ }
+ hr_can_change |= 1u << (rrmap[33] & 31);
+ hr_can_change |= 1u << (rrmap[CCREG] & 31);
+ hr_can_change &= ~(1u << 31);
+ *regs_can_change = hr_can_change;
+}
+
+// same as get_reg, but takes rrmap
+static signed char get_rreg(signed char rrmap[RRMAP_SIZE], signed char r)
+{
+ assert(0 <= r && r < RRMAP_SIZE);
+ return rrmap[r];
+}
+
+static int count_free_regs(const signed char regmap[])
{
int count=0;
int hr;
return count;
}
-void dirty_reg(struct regstat *cur,signed char reg)
+static void dirty_reg(struct regstat *cur, signed char reg)
{
int hr;
- if(!reg) return;
- for (hr=0;hr<HOST_REGS;hr++) {
- if((cur->regmap[hr]&63)==reg) {
- cur->dirty|=1<<hr;
- }
- }
+ if (!reg) return;
+ hr = get_reg(cur->regmap, reg);
+ if (hr >= 0)
+ cur->dirty |= 1<<hr;
}
static void set_const(struct regstat *cur, signed char reg, uint32_t value)
{
int hr;
- if(!reg) return;
- for (hr=0;hr<HOST_REGS;hr++) {
- if(cur->regmap[hr]==reg) {
- cur->isconst|=1<<hr;
- current_constmap[hr]=value;
- }
+ if (!reg) return;
+ hr = get_reg(cur->regmap, reg);
+ if (hr >= 0) {
+ cur->isconst |= 1<<hr;
+ current_constmap[hr] = value;
}
}
static void clear_const(struct regstat *cur, signed char reg)
{
int hr;
- if(!reg) return;
- for (hr=0;hr<HOST_REGS;hr++) {
- if((cur->regmap[hr]&63)==reg) {
- cur->isconst&=~(1<<hr);
- }
- }
+ if (!reg) return;
+ hr = get_reg(cur->regmap, reg);
+ if (hr >= 0)
+ cur->isconst &= ~(1<<hr);
}
-static int is_const(struct regstat *cur, signed char reg)
+static int is_const(const struct regstat *cur, signed char reg)
{
int hr;
- if(reg<0) return 0;
- if(!reg) return 1;
- for (hr=0;hr<HOST_REGS;hr++) {
- if((cur->regmap[hr]&63)==reg) {
- return (cur->isconst>>hr)&1;
- }
- }
+ if (reg < 0) return 0;
+ if (!reg) return 1;
+ hr = get_reg(cur->regmap, reg);
+ if (hr >= 0)
+ return (cur->isconst>>hr)&1;
return 0;
}
-static uint32_t get_const(struct regstat *cur, signed char reg)
+static uint32_t get_const(const struct regstat *cur, signed char reg)
{
int hr;
- if(!reg) return 0;
- for (hr=0;hr<HOST_REGS;hr++) {
- if(cur->regmap[hr]==reg) {
- return current_constmap[hr];
- }
- }
- SysPrintf("Unknown constant in r%d\n",reg);
+ if (!reg) return 0;
+ hr = get_reg(cur->regmap, reg);
+ if (hr >= 0)
+ return current_constmap[hr];
+
+ SysPrintf("Unknown constant in r%d\n", reg);
abort();
}
// Least soon needed registers
// Look at the next ten instructions and see which registers
// will be used. Try not to reallocate these.
-void lsn(u_char hsn[], int i, int *preferred_reg)
+static void lsn(u_char hsn[], int i, int *preferred_reg)
{
int j;
int b=-1;
}
// We only want to allocate registers if we're going to use them again soon
-int needed_again(int r, int i)
+static int needed_again(int r, int i)
{
int j;
int b=-1;
// Try to match register allocations at the end of a loop with those
// at the beginning
-int loop_reg(int i, int r, int hr)
+static int loop_reg(int i, int r, int hr)
{
int j,k;
for(j=0;j<9;j++)
// Allocate every register, preserving source/target regs
-void alloc_all(struct regstat *cur,int i)
+static void alloc_all(struct regstat *cur,int i)
{
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
- if(((cur->regmap[hr]&63)!=dops[i].rs1)&&((cur->regmap[hr]&63)!=dops[i].rs2)&&
- ((cur->regmap[hr]&63)!=dops[i].rt1)&&((cur->regmap[hr]&63)!=dops[i].rt2))
+ if((cur->regmap[hr]!=dops[i].rs1)&&(cur->regmap[hr]!=dops[i].rs2)&&
+ (cur->regmap[hr]!=dops[i].rt1)&&(cur->regmap[hr]!=dops[i].rt2))
{
cur->regmap[hr]=-1;
cur->dirty&=~(1<<hr);
}
// Don't need zeros
- if((cur->regmap[hr]&63)==0)
+ if(cur->regmap[hr]==0)
{
cur->regmap[hr]=-1;
cur->dirty&=~(1<<hr);
FUNCNAME(jump_handler_write32),
FUNCNAME(invalidate_addr),
FUNCNAME(jump_to_new_pc),
+ FUNCNAME(jump_break),
+ FUNCNAME(jump_break_ds),
+ FUNCNAME(jump_syscall),
+ FUNCNAME(jump_syscall_ds),
FUNCNAME(call_gteStall),
FUNCNAME(new_dyna_leave),
FUNCNAME(pcsx_mtc0),
}
// Add virtual address mapping to linked list
-void ll_add(struct ll_entry **head,int vaddr,void *addr)
+static void ll_add(struct ll_entry **head,int vaddr,void *addr)
{
struct ll_entry *new_entry;
new_entry=malloc(sizeof(struct ll_entry));
*head=new_entry;
}
-void ll_add_flags(struct ll_entry **head,int vaddr,u_int reg_sv_flags,void *addr)
+static void ll_add_flags(struct ll_entry **head,int vaddr,u_int reg_sv_flags,void *addr)
{
ll_add(head,vaddr,addr);
(*head)->reg_sv_flags=reg_sv_flags;
// Check if an address is already compiled
// but don't return addresses which are about to expire from the cache
-void *check_addr(u_int vaddr)
+static void *check_addr(u_int vaddr)
{
struct ht_entry *ht_bin = hash_table_get(vaddr);
size_t i;
return 0;
}
-void remove_hash(int vaddr)
+static void remove_hash(int vaddr)
{
//printf("remove hash: %x\n",vaddr);
struct ht_entry *ht_bin = hash_table_get(vaddr);
}
// Remove all entries from linked list
-void ll_clear(struct ll_entry **head)
+static void ll_clear(struct ll_entry **head)
{
struct ll_entry *cur;
struct ll_entry *next;
struct ll_entry *head;
struct ll_entry *next;
head=jump_in[page];
+ if (head) stat_inc(stat_inv_hits);
jump_in[page]=0;
while(head!=NULL) {
inv_debug("INVALIDATE: %x\n",head->vaddr);
//static int rhits;
// this check is done by the caller
//if (inv_code_start<=addr&&addr<=inv_code_end) { rhits++; return; }
+ stat_inc(stat_inv_addr_calls);
u_int page=get_vpage(addr);
if(page<2048) { // RAM
struct ll_entry *head;
u_int page;
for(page=0;page<4096;page++)
invalidate_page(page);
- for(page=0;page<1048576;page++)
- if(!invalid_code[page]) {
- restore_candidate[(page&2047)>>3]|=1<<(page&7);
- restore_candidate[((page&2047)>>3)+256]|=1<<(page&7);
- }
#ifdef USE_MINI_HT
memset(mini_ht,-1,sizeof(mini_ht));
#endif
//inv_debug("add_jump_out: to %p\n",get_pointer(src));
}
-// If a code block was found to be unmodified (bit was set in
-// restore_candidate) and it remains unmodified (bit is clear
-// in invalid_code) then move the entries for that 4K page from
-// the dirty list to the clean list.
-void clean_blocks(u_int page)
-{
- struct ll_entry *head;
- inv_debug("INV: clean_blocks page=%d\n",page);
- head=jump_dirty[page];
- while(head!=NULL) {
- if(!invalid_code[head->vaddr>>12]) {
- // Don't restore blocks which are about to expire from the cache
- if (doesnt_expire_soon(head->addr)) {
- if(verify_dirty(head->addr)) {
- u_char *start, *end;
- //printf("Possibly Restore %x (%p)\n",head->vaddr, head->addr);
- u_int i;
- u_int inv=0;
- get_bounds(head->addr, &start, &end);
- if (start - rdram < RAM_SIZE) {
- for (i = (start-rdram+0x80000000)>>12; i <= (end-1-rdram+0x80000000)>>12; i++) {
- inv|=invalid_code[i];
- }
- }
- else if((signed int)head->vaddr>=(signed int)0x80000000+RAM_SIZE) {
- inv=1;
- }
- if(!inv) {
- void *clean_addr = get_clean_addr(head->addr);
- if (doesnt_expire_soon(clean_addr)) {
- u_int ppage=page;
- inv_debug("INV: Restored %x (%p/%p)\n",head->vaddr, head->addr, clean_addr);
- //printf("page=%x, addr=%x\n",page,head->vaddr);
- //assert(head->vaddr>>12==(page|0x80000));
- ll_add_flags(jump_in+ppage,head->vaddr,head->reg_sv_flags,clean_addr);
- struct ht_entry *ht_bin = hash_table_get(head->vaddr);
- if (ht_bin->vaddr[0] == head->vaddr)
- ht_bin->tcaddr[0] = clean_addr; // Replace existing entry
- if (ht_bin->vaddr[1] == head->vaddr)
- ht_bin->tcaddr[1] = clean_addr; // Replace existing entry
- }
- }
- }
- }
- }
- head=head->next;
- }
-}
-
/* Register allocation */
// Note: registers are allocated clean (unmodified state)
if (reg == CCREG) preferred_reg = HOST_CCREG;
if (reg == PTEMP || reg == FTEMP) preferred_reg = 12;
assert(PREFERRED_REG_FIRST != EXCLUDE_REG && EXCLUDE_REG != HOST_REGS);
+ assert(reg >= 0);
// Don't allocate unused registers
if((cur->u>>reg)&1) return;
// see if it's already allocated
- for(hr=0;hr<HOST_REGS;hr++)
- {
- if(cur->regmap[hr]==reg) return;
- }
+ if (get_reg(cur->regmap, reg) >= 0)
+ return;
// Keep the same mapping if the register was already allocated in a loop
preferred_reg = loop_reg(i,reg,preferred_reg);
if(hsn[r=cur->regmap[preferred_reg]&63]==j) {
for(hr=0;hr<HOST_REGS;hr++) {
// Evict both parts of a 64-bit register
- if((cur->regmap[hr]&63)==r) {
+ if(cur->regmap[hr]==r) {
cur->regmap[hr]=-1;
cur->dirty&=~(1<<hr);
cur->isconst&=~(1<<hr);
{
if(dops[i].rt1) {
if(dops[i].rs1&&needed_again(dops[i].rs1,i)) alloc_reg(current,i,dops[i].rs1);
- else dops[i].lt1=dops[i].rs1;
+ else dops[i].use_lt1=!!dops[i].rs1;
alloc_reg(current,i,dops[i].rt1);
dirty_reg(current,dops[i].rt1);
if(is_const(current,dops[i].rs1)) {
static void imm16_alloc(struct regstat *current,int i)
{
if(dops[i].rs1&&needed_again(dops[i].rs1,i)) alloc_reg(current,i,dops[i].rs1);
- else dops[i].lt1=dops[i].rs1;
+ else dops[i].use_lt1=!!dops[i].rs1;
if(dops[i].rt1) alloc_reg(current,i,dops[i].rt1);
if(dops[i].opcode==0x18||dops[i].opcode==0x19) { // DADDI/DADDIU
assert(0);
}
}
-void store_alloc(struct regstat *current,int i)
+static void store_alloc(struct regstat *current,int i)
{
clear_const(current,dops[i].rs2);
if(!(dops[i].rs2)) current->u&=~1LL; // Allow allocating r0 if necessary
minimum_free_regs[i]=1;
}
-void c1ls_alloc(struct regstat *current,int i)
+static void c1ls_alloc(struct regstat *current,int i)
{
clear_const(current,dops[i].rt1);
alloc_reg(current,i,CSREG); // Status
}
-void c2ls_alloc(struct regstat *current,int i)
+static void c2ls_alloc(struct regstat *current,int i)
{
clear_const(current,dops[i].rt1);
if(needed_again(dops[i].rs1,i)) alloc_reg(current,i,dops[i].rs1);
}
#ifndef multdiv_alloc
-void multdiv_alloc(struct regstat *current,int i)
+static void multdiv_alloc(struct regstat *current,int i)
{
// case 0x18: MULT
// case 0x19: MULTU
}
#endif
-void cop0_alloc(struct regstat *current,int i)
+static void cop0_alloc(struct regstat *current,int i)
{
if(dops[i].opcode2==0) // MFC0
{
minimum_free_regs[i]=1;
}
-void c2op_alloc(struct regstat *current,int i)
+static void c2op_alloc(struct regstat *current,int i)
{
alloc_cc(current,i); // for stalls
dirty_reg(current,CCREG);
alloc_reg_temp(current,i,-1);
}
-void syscall_alloc(struct regstat *current,int i)
+static void syscall_alloc(struct regstat *current,int i)
{
alloc_cc(current,i);
dirty_reg(current,CCREG);
current->isconst=0;
}
-void delayslot_alloc(struct regstat *current,int i)
+static void delayslot_alloc(struct regstat *current,int i)
{
switch(dops[i].itype) {
case UJUMP:
int hr;
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
- if((regmap[hr]&63)==r) {
+ if(regmap[hr]==r) {
if((dirty>>hr)&1) {
assert(regmap[hr]<64);
emit_storereg(r,hr);
static void wb_valid(signed char pre[],signed char entry[],u_int dirty_pre,u_int dirty,uint64_t u)
{
//if(dirty_pre==dirty) return;
- int hr,reg;
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG) {
- reg=pre[hr];
- if(((~u)>>(reg&63))&1) {
- if(reg>0) {
- if(((dirty_pre&~dirty)>>hr)&1) {
- if(reg>0&®<34) {
- emit_storereg(reg,hr);
- }
- else if(reg>=64) {
- assert(0);
- }
- }
- }
- }
- }
+ int hr, r;
+ for (hr = 0; hr < HOST_REGS; hr++) {
+ r = pre[hr];
+ if (r < 1 || r > 33 || ((u >> r) & 1))
+ continue;
+ if (((dirty_pre & ~dirty) >> hr) & 1)
+ emit_storereg(r, hr);
}
}
// could be FIFO, must perform the read
// ||dummy read
assem_debug("(forced read)\n");
- tl=get_reg(i_regs->regmap,-1);
+ tl=get_reg_temp(i_regs->regmap);
assert(tl>=0);
}
if(offset||s<0||c) addr=tl;
else addr=s;
- //if(tl<0) tl=get_reg(i_regs->regmap,-1);
+ //if(tl<0) tl=get_reg_temp(i_regs->regmap);
if(tl>=0) {
//printf("load_assemble: c=%d\n",c);
//if(c) printf("load_assemble: const=%lx\n",(long)constmap[i][s]+offset);
u_int reglist=get_host_reglist(i_regs->regmap);
tl=get_reg(i_regs->regmap,dops[i].rt1);
s=get_reg(i_regs->regmap,dops[i].rs1);
- temp=get_reg(i_regs->regmap,-1);
+ temp=get_reg_temp(i_regs->regmap);
temp2=get_reg(i_regs->regmap,FTEMP);
addr=get_reg(i_regs->regmap,AGEN1+(i&1));
assert(addr<0);
tl=get_reg(i_regs->regmap,dops[i].rs2);
s=get_reg(i_regs->regmap,dops[i].rs1);
temp=get_reg(i_regs->regmap,agr);
- if(temp<0) temp=get_reg(i_regs->regmap,-1);
+ if(temp<0) temp=get_reg_temp(i_regs->regmap);
offset=imm[i];
if(s>=0) {
c=(i_regs->wasconst>>s)&1;
tl=get_reg(i_regs->regmap,dops[i].rs2);
s=get_reg(i_regs->regmap,dops[i].rs1);
temp=get_reg(i_regs->regmap,agr);
- if(temp<0) temp=get_reg(i_regs->regmap,-1);
+ if(temp<0) temp=get_reg_temp(i_regs->regmap);
offset=imm[i];
if(s>=0) {
c=(i_regs->isconst>>s)&1;
{
int j, known_cycles = 0;
u_int reglist = get_host_reglist(i_regs->regmap);
- int rtmp = get_reg(i_regs->regmap, -1);
+ int rtmp = get_reg_temp(i_regs->regmap);
if (rtmp < 0)
rtmp = reglist_find_free(reglist);
if (HACK_ENABLED(NDHACK_NO_STALLS))
// get the address
if (dops[i].opcode==0x3a) { // SWC2
ar=get_reg(i_regs->regmap,agr);
- if(ar<0) ar=get_reg(i_regs->regmap,-1);
+ if(ar<0) ar=get_reg_temp(i_regs->regmap);
reglist|=1<<ar;
} else { // LWC2
ar=tl;
static void cop2_assemble(int i, const struct regstat *i_regs)
{
u_int copr = (source[i]>>11) & 0x1f;
- signed char temp = get_reg(i_regs->regmap, -1);
+ signed char temp = get_reg_temp(i_regs->regmap);
if (!HACK_ENABLED(NDHACK_NO_STALLS)) {
u_int reglist = reglist_exclude(get_host_reglist(i_regs->regmap), temp, -1);
static void syscall_assemble(int i, const struct regstat *i_regs, int ccadj_)
{
- emit_movimm(0x20,0); // cause code
- emit_movimm(0,1); // not in delay slot
- call_c_cpu_handler(i, i_regs, ccadj_, start+i*4, psxException);
+ // 'break' tends to be littered around to catch things like
+ // division by 0 and is almost never executed, so don't emit much code here
+ void *func = (dops[i].opcode2 == 0x0C)
+ ? (is_delayslot ? jump_syscall_ds : jump_syscall)
+ : (is_delayslot ? jump_break_ds : jump_break);
+ assert(get_reg(i_regs->regmap, CCREG) == HOST_CCREG);
+ emit_movimm(start + i*4, 2); // pc
+ emit_addimm(HOST_CCREG, ccadj_ + CLOCK_ADJUST(1), HOST_CCREG);
+ emit_far_jump(func);
}
static void hlecall_assemble(int i, const struct regstat *i_regs, int ccadj_)
for(hr=0;hr<HOST_REGS;hr++) {
if(hr!=EXCLUDE_REG) {
if(pre[hr]!=entry[hr]) {
- if(pre[hr]>=0&&(pre[hr]&63)<TEMPREG) {
+ if(pre[hr]>=0&&pre[hr]<TEMPREG) {
int nr;
if((nr=get_reg(entry,pre[hr]))>=0) {
emit_mov(hr,nr);
// Load the specified registers
// This only loads the registers given as arguments because
// we don't want to load things that will be overwritten
-static void load_regs(signed char entry[],signed char regmap[],int rs1,int rs2)
+static inline void load_reg(signed char entry[], signed char regmap[], int rs)
{
- int hr;
- // Load 32-bit regs
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG&®map[hr]>=0) {
- if(entry[hr]!=regmap[hr]) {
- if(regmap[hr]==rs1||regmap[hr]==rs2)
- {
- if(regmap[hr]==0) {
- emit_zeroreg(hr);
- }
- else
- {
- emit_loadreg(regmap[hr],hr);
- }
- }
- }
- }
- }
+ int hr = get_reg(regmap, rs);
+ if (hr >= 0 && entry[hr] != regmap[hr])
+ emit_loadreg(regmap[hr], hr);
+}
+
+static void load_regs(signed char entry[], signed char regmap[], int rs1, int rs2)
+{
+ load_reg(entry, regmap, rs1);
+ if (rs1 != rs2)
+ load_reg(entry, regmap, rs2);
}
// Load registers prior to the start of a loop
static void loop_preload(signed char pre[],signed char entry[])
{
int hr;
- for(hr=0;hr<HOST_REGS;hr++) {
- if(hr!=EXCLUDE_REG) {
- if(pre[hr]!=entry[hr]) {
- if(entry[hr]>=0) {
- if(get_reg(pre,entry[hr])<0) {
- assem_debug("loop preload:\n");
- //printf("loop preload: %d\n",hr);
- if(entry[hr]==0) {
- emit_zeroreg(hr);
- }
- else if(entry[hr]<TEMPREG)
- {
- emit_loadreg(entry[hr],hr);
- }
- else if(entry[hr]-64<TEMPREG)
- {
- emit_loadreg(entry[hr],hr);
- }
- }
- }
- }
+ for (hr = 0; hr < HOST_REGS; hr++) {
+ int r = entry[hr];
+ if (r >= 0 && pre[hr] != r && get_reg(pre, r) < 0) {
+ assem_debug("loop preload:\n");
+ if (r < TEMPREG)
+ emit_loadreg(r, hr);
}
}
}
// Generate address for load/store instruction
// goes to AGEN for writes, FTEMP for LOADLR and cop1/2 loads
-void address_generation(int i, const struct regstat *i_regs, signed char entry[])
+static void address_generation(int i, const struct regstat *i_regs, signed char entry[])
{
if (dops[i].is_load || dops[i].is_store) {
int ra=-1;
int agr=AGEN1+(i&1);
if(dops[i].itype==LOAD) {
ra=get_reg(i_regs->regmap,dops[i].rt1);
- if(ra<0) ra=get_reg(i_regs->regmap,-1);
+ if(ra<0) ra=get_reg_temp(i_regs->regmap);
assert(ra>=0);
}
if(dops[i].itype==LOADLR) {
}
if(dops[i].itype==STORE||dops[i].itype==STORELR) {
ra=get_reg(i_regs->regmap,agr);
- if(ra<0) ra=get_reg(i_regs->regmap,-1);
+ if(ra<0) ra=get_reg_temp(i_regs->regmap);
}
if(dops[i].itype==C2LS) {
if ((dops[i].opcode&0x3b)==0x31||(dops[i].opcode&0x3b)==0x32) // LWC1/LDC1/LWC2/LDC2
ra=get_reg(i_regs->regmap,FTEMP);
else { // SWC1/SDC1/SWC2/SDC2
ra=get_reg(i_regs->regmap,agr);
- if(ra<0) ra=get_reg(i_regs->regmap,-1);
+ if(ra<0) ra=get_reg_temp(i_regs->regmap);
}
}
int rs=get_reg(i_regs->regmap,dops[i].rs1);
emit_zeroreg(hr);
}
else
- if(i_regmap[hr]>0 && (i_regmap[hr]&63)<TEMPREG && i_regmap[hr]!=CCREG)
+ if(i_regmap[hr]>0 && i_regmap[hr]<TEMPREG && i_regmap[hr]!=CCREG)
{
emit_loadreg(i_regmap[hr],hr);
}
emit_zeroreg(hr);
}
else
- if(i_regmap[hr]>0 && (i_regmap[hr]&63)<TEMPREG && i_regmap[hr]!=CCREG)
+ if(i_regmap[hr]>0 && i_regmap[hr]<TEMPREG && i_regmap[hr]!=CCREG)
{
emit_loadreg(i_regmap[hr],hr);
}
}
// Store dirty registers prior to branch
-void store_regs_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
+static void store_regs_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
{
if(internal_branch(addr))
{
load_regs(regs[t].regmap_entry,regs[t].regmap,dops[t].rs1,dops[t].rs2);
address_generation(t,®s[t],regs[t].regmap_entry);
if (ram_offset && (dops[t].is_load || dops[t].is_store))
- load_regs(regs[t].regmap_entry,regs[t].regmap,ROREG,ROREG);
+ load_reg(regs[t].regmap_entry,regs[t].regmap,ROREG);
if (dops[t].is_store)
- load_regs(regs[t].regmap_entry,regs[t].regmap,INVCP,INVCP);
+ load_reg(regs[t].regmap_entry,regs[t].regmap,INVCP);
is_delayslot=0;
switch (dops[t].itype) {
case SYSCALL:
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs1 &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs2 )
+ branch_regs[i].regmap[hr]!=dops[i].rs1 &&
+ branch_regs[i].regmap[hr]!=dops[i].rs2 )
{
addr=hr++;break;
}
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs1 &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs2 )
+ branch_regs[i].regmap[hr]!=dops[i].rs1 &&
+ branch_regs[i].regmap[hr]!=dops[i].rs2 )
{
alt=hr++;break;
}
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs1 &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rs2 )
+ branch_regs[i].regmap[hr]!=dops[i].rs1 &&
+ branch_regs[i].regmap[hr]!=dops[i].rs2 )
{
ntaddr=hr;break;
}
uint64_t bc_unneeded=branch_regs[i].u;
bc_unneeded|=1|(1LL<<dops[i].rt1);
wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
- load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,CCREG);
if(!ra_done&&dops[i].rt1==31)
ujump_assemble_write_ra(i);
int cc,adj;
bc_unneeded|=1;
wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i].rs1,dops[i].rs2);
- load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,CCREG);
cc=get_reg(branch_regs[i].regmap,CCREG);
assert(cc==HOST_CCREG);
if(unconditional)
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i+1].rs1,dops[i+1].rs2);
address_generation(i+1,&branch_regs[i],0);
if (ram_offset)
- load_regs(regs[i].regmap,branch_regs[i].regmap,ROREG,ROREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,ROREG);
load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i+1].rs1,dops[i+1].rs2);
address_generation(i+1,&branch_regs[i],0);
if (ram_offset)
- load_regs(regs[i].regmap,branch_regs[i].regmap,ROREG,ROREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,ROREG);
load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
int cc;
int match;
match=match_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
- assem_debug("smatch=%d\n",match);
+ assem_debug("smatch=%d ooo=%d\n", match, dops[i].ooo);
int s1l;
int unconditional=0,nevertaken=0;
int invert=0;
bc_unneeded|=1;
wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,bc_unneeded);
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i].rs1,dops[i].rs1);
- load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,CCREG);
if(dops[i].rt1==31) {
int rt,return_address;
rt=get_reg(branch_regs[i].regmap,31);
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i+1].rs1,dops[i+1].rs2);
address_generation(i+1,&branch_regs[i],0);
if (ram_offset)
- load_regs(regs[i].regmap,branch_regs[i].regmap,ROREG,ROREG);
+ load_reg(regs[i].regmap,branch_regs[i].regmap,ROREG);
load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
wb_invalidate(regs[i].regmap,branch_regs[i].regmap,regs[i].dirty,ds_unneeded);
load_regs(regs[i].regmap,branch_regs[i].regmap,dops[i+1].rs1,dops[i+1].rs2);
address_generation(i+1,&branch_regs[i],0);
- load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,CCREG);
+ if (ram_offset)
+ load_reg(regs[i].regmap,branch_regs[i].regmap,ROREG);
+ load_regs(regs[i].regmap,branch_regs[i].regmap,CCREG,INVCP);
ds_assemble(i+1,&branch_regs[i]);
cc=get_reg(branch_regs[i].regmap,CCREG);
if (cc == -1) {
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG &&
- (i_regs->regmap[hr]&63)!=dops[i].rs1 &&
- (i_regs->regmap[hr]&63)!=dops[i].rs2 )
+ i_regs->regmap[hr]!=dops[i].rs1 &&
+ i_regs->regmap[hr]!=dops[i].rs2 )
{
addr=hr++;break;
}
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && hr!=HOST_BTREG &&
- (i_regs->regmap[hr]&63)!=dops[i].rs1 &&
- (i_regs->regmap[hr]&63)!=dops[i].rs2 )
+ i_regs->regmap[hr]!=dops[i].rs1 &&
+ i_regs->regmap[hr]!=dops[i].rs2 )
{
alt=hr++;break;
}
while(hr<HOST_REGS)
{
if(hr!=EXCLUDE_REG && hr!=HOST_CCREG && hr!=HOST_BTREG &&
- (i_regs->regmap[hr]&63)!=dops[i].rs1 &&
- (i_regs->regmap[hr]&63)!=dops[i].rs2 )
+ i_regs->regmap[hr]!=dops[i].rs1 &&
+ i_regs->regmap[hr]!=dops[i].rs2 )
{
ntaddr=hr;break;
}
}
assert(hr<HOST_REGS);
if((dops[i].opcode&0x2e)==4||dops[i].opcode==0x11) { // BEQ/BNE/BEQL/BNEL/BC1
- load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,CCREG);
}
emit_addimm(HOST_CCREG, ccadj[i] + CLOCK_ADJUST(2), HOST_CCREG);
if(dops[i].opcode==2) // J
load_regs(regs[0].regmap_entry,regs[0].regmap,dops[0].rs1,dops[0].rs2);
address_generation(0,®s[0],regs[0].regmap_entry);
if (ram_offset && (dops[0].is_load || dops[0].is_store))
- load_regs(regs[0].regmap_entry,regs[0].regmap,ROREG,ROREG);
+ load_reg(regs[0].regmap_entry,regs[0].regmap,ROREG);
if (dops[0].is_store)
- load_regs(regs[0].regmap_entry,regs[0].regmap,INVCP,INVCP);
+ load_reg(regs[0].regmap_entry,regs[0].regmap,INVCP);
is_delayslot=0;
switch (dops[0].itype) {
case SYSCALL:
}
int btaddr=get_reg(regs[0].regmap,BTREG);
if(btaddr<0) {
- btaddr=get_reg(regs[0].regmap,-1);
+ btaddr=get_reg_temp(regs[0].regmap);
emit_readword(&branch_target,btaddr);
}
assert(btaddr!=HOST_CCREG);
load_regs_bt(regs[0].regmap,regs[0].dirty,start+4);
}
-// Basic liveness analysis for MIPS registers
-void unneeded_registers(int istart,int iend,int r)
+static void check_regmap(signed char *regmap)
{
- int i;
- uint64_t u,gte_u,b,gte_b;
- uint64_t temp_u,temp_gte_u=0;
- uint64_t gte_u_unknown=0;
- if (HACK_ENABLED(NDHACK_GTE_UNNEEDED))
- gte_u_unknown=~0ll;
- if(iend==slen-1) {
- u=1;
- gte_u=gte_u_unknown;
- }else{
- //u=unneeded_reg[iend+1];
- u=1;
- gte_u=gte_unneeded[iend+1];
+#ifndef NDEBUG
+ int i,j;
+ for (i = 0; i < HOST_REGS; i++) {
+ if (regmap[i] < 0)
+ continue;
+ for (j = i + 1; j < HOST_REGS; j++)
+ assert(regmap[i] != regmap[j]);
}
+#endif
+}
- for (i=iend;i>=istart;i--)
- {
- //printf("unneeded registers i=%d (%d,%d) r=%d\n",i,istart,iend,r);
- if(dops[i].is_jump)
- {
- // If subroutine call, flag return address as a possible branch target
- if(dops[i].rt1==31 && i<slen-2) dops[i+2].bt=1;
+#ifdef DISASM
+#include <inttypes.h>
+static char insn[MAXBLOCK][10];
- if(ba[i]<start || ba[i]>=(start+slen*4))
- {
- // Branch out of this block, flush all regs
- u=1;
- gte_u=gte_u_unknown;
- branch_unneeded_reg[i]=u;
- // Merge in delay slot
- u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
- u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
- u|=1;
- gte_u|=gte_rt[i+1];
- gte_u&=~gte_rs[i+1];
- }
- else
- {
- // Internal branch, flag target
- dops[(ba[i]-start)>>2].bt=1;
- if(ba[i]<=start+i*4) {
- // Backward branch
- if(dops[i].is_ujump)
- {
- // Unconditional branch
- temp_u=1;
- temp_gte_u=0;
- } else {
- // Conditional branch (not taken case)
- temp_u=unneeded_reg[i+2];
- temp_gte_u&=gte_unneeded[i+2];
- }
- // Merge in delay slot
- temp_u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
- temp_u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
- temp_u|=1;
- temp_gte_u|=gte_rt[i+1];
- temp_gte_u&=~gte_rs[i+1];
- temp_u|=(1LL<<dops[i].rt1)|(1LL<<dops[i].rt2);
- temp_u&=~((1LL<<dops[i].rs1)|(1LL<<dops[i].rs2));
- temp_u|=1;
- temp_gte_u|=gte_rt[i];
- temp_gte_u&=~gte_rs[i];
- unneeded_reg[i]=temp_u;
- gte_unneeded[i]=temp_gte_u;
- // Only go three levels deep. This recursion can take an
- // excessive amount of time if there are a lot of nested loops.
- if(r<2) {
- unneeded_registers((ba[i]-start)>>2,i-1,r+1);
- }else{
- unneeded_reg[(ba[i]-start)>>2]=1;
- gte_unneeded[(ba[i]-start)>>2]=gte_u_unknown;
- }
- } /*else*/ if(1) {
- if (dops[i].is_ujump)
- {
- // Unconditional branch
- u=unneeded_reg[(ba[i]-start)>>2];
- gte_u=gte_unneeded[(ba[i]-start)>>2];
- branch_unneeded_reg[i]=u;
- // Merge in delay slot
- u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
- u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
- u|=1;
- gte_u|=gte_rt[i+1];
- gte_u&=~gte_rs[i+1];
- } else {
- // Conditional branch
- b=unneeded_reg[(ba[i]-start)>>2];
- gte_b=gte_unneeded[(ba[i]-start)>>2];
- branch_unneeded_reg[i]=b;
- // Branch delay slot
- b|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
- b&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
- b|=1;
- gte_b|=gte_rt[i+1];
- gte_b&=~gte_rs[i+1];
- u&=b;
- gte_u&=gte_b;
- if(i<slen-1) {
- branch_unneeded_reg[i]&=unneeded_reg[i+2];
- } else {
- branch_unneeded_reg[i]=1;
- }
- }
- }
- }
- }
- else if(dops[i].itype==SYSCALL||dops[i].itype==HLECALL||dops[i].itype==INTCALL)
- {
- // SYSCALL instruction (software interrupt)
- u=1;
- }
- else if(dops[i].itype==COP0 && (source[i]&0x3f)==0x18)
- {
- // ERET instruction (return from interrupt)
- u=1;
- }
- //u=1; // DEBUG
- // Written registers are unneeded
- u|=1LL<<dops[i].rt1;
- u|=1LL<<dops[i].rt2;
- gte_u|=gte_rt[i];
- // Accessed registers are needed
- u&=~(1LL<<dops[i].rs1);
- u&=~(1LL<<dops[i].rs2);
- gte_u&=~gte_rs[i];
- if(gte_rs[i]&&dops[i].rt1&&(unneeded_reg[i+1]&(1ll<<dops[i].rt1)))
- gte_u|=gte_rs[i]>e_unneeded[i+1]; // MFC2/CFC2 to dead register, unneeded
- // Source-target dependencies
- // R0 is always unneeded
- u|=1;
- // Save it
- unneeded_reg[i]=u;
- gte_unneeded[i]=gte_u;
- /*
- printf("ur (%d,%d) %x: ",istart,iend,start+i*4);
- printf("U:");
- int r;
- for(r=1;r<=CCREG;r++) {
- if((unneeded_reg[i]>>r)&1) {
- if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf("\n");
- */
- }
-}
-
-// Write back dirty registers as soon as we will no longer modify them,
-// so that we don't end up with lots of writes at the branches.
-void clean_registers(int istart,int iend,int wr)
-{
- int i;
- int r;
- u_int will_dirty_i,will_dirty_next,temp_will_dirty;
- u_int wont_dirty_i,wont_dirty_next,temp_wont_dirty;
- if(iend==slen-1) {
- will_dirty_i=will_dirty_next=0;
- wont_dirty_i=wont_dirty_next=0;
- }else{
- will_dirty_i=will_dirty_next=will_dirty[iend+1];
- wont_dirty_i=wont_dirty_next=wont_dirty[iend+1];
- }
- for (i=iend;i>=istart;i--)
- {
- if(dops[i].is_jump)
- {
- if(ba[i]<start || ba[i]>=(start+slen*4))
- {
- // Branch out of this block, flush all regs
- if (dops[i].is_ujump)
- {
- // Unconditional branch
- will_dirty_i=0;
- wont_dirty_i=0;
- // Merge in delay slot (will dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- }
- }
- }
- else
- {
- // Conditional branch
- will_dirty_i=0;
- wont_dirty_i=wont_dirty_next;
- // Merge in delay slot (will dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if (1) { // !dops[i].likely) {
- // Might not dirty if likely branch is not taken
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]==0) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- }
- }
- }
- }
- // Merge in delay slot (wont dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((regs[i].regmap[r]&63)==dops[i].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) wont_dirty_i|=1<<r;
- if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) wont_dirty_i|=1<<r;
- if(branch_regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
- }
- }
- if(wr) {
- #ifndef DESTRUCTIVE_WRITEBACK
- branch_regs[i].dirty&=wont_dirty_i;
- #endif
- branch_regs[i].dirty|=will_dirty_i;
- }
- }
- else
- {
- // Internal branch
- if(ba[i]<=start+i*4) {
- // Backward branch
- if (dops[i].is_ujump)
- {
- // Unconditional branch
- temp_will_dirty=0;
- temp_wont_dirty=0;
- // Merge in delay slot (will dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r);
- if(branch_regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt1) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r);
- if(regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r;
- }
- }
- } else {
- // Conditional branch (not taken case)
- temp_will_dirty=will_dirty_next;
- temp_wont_dirty=wont_dirty_next;
- // Merge in delay slot (will dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if (1) { // !dops[i].likely) {
- // Will not dirty if likely branch is not taken
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) temp_will_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r);
- if(branch_regs[i].regmap[r]==0) temp_will_dirty&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt1) temp_will_dirty|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt2) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) temp_will_dirty|=1<<r;
- if((regs[i].regmap[r]&63)>33) temp_will_dirty&=~(1<<r);
- if(regs[i].regmap[r]<=0) temp_will_dirty&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) temp_will_dirty|=1<<r;
- }
- }
- }
- }
- // Merge in delay slot (wont dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((regs[i].regmap[r]&63)==dops[i].rt1) temp_wont_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) temp_wont_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) temp_wont_dirty|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) temp_wont_dirty|=1<<r;
- if(regs[i].regmap[r]==CCREG) temp_wont_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) temp_wont_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) temp_wont_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) temp_wont_dirty|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) temp_wont_dirty|=1<<r;
- if(branch_regs[i].regmap[r]==CCREG) temp_wont_dirty|=1<<r;
- }
- }
- // Deal with changed mappings
- if(i<iend) {
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if(regs[i].regmap[r]!=regmap_pre[i][r]) {
- temp_will_dirty&=~(1<<r);
- temp_wont_dirty&=~(1<<r);
- if((regmap_pre[i][r]&63)>0 && (regmap_pre[i][r]&63)<34) {
- temp_will_dirty|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r;
- temp_wont_dirty|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r;
- } else {
- temp_will_dirty|=1<<r;
- temp_wont_dirty|=1<<r;
- }
- }
- }
- }
- }
- if(wr) {
- will_dirty[i]=temp_will_dirty;
- wont_dirty[i]=temp_wont_dirty;
- clean_registers((ba[i]-start)>>2,i-1,0);
- }else{
- // Limit recursion. It can take an excessive amount
- // of time if there are a lot of nested loops.
- will_dirty[(ba[i]-start)>>2]=0;
- wont_dirty[(ba[i]-start)>>2]=-1;
- }
- }
- /*else*/ if(1)
- {
- if (dops[i].is_ujump)
- {
- // Unconditional branch
- will_dirty_i=0;
- wont_dirty_i=0;
- //if(ba[i]>start+i*4) { // Disable recursion (for debugging)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if(branch_regs[i].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) {
- will_dirty_i|=will_dirty[(ba[i]-start)>>2]&(1<<r);
- wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
- }
- if(branch_regs[i].regmap[r]>=0) {
- will_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r;
- wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(branch_regs[i].regmap[r]&63))&1)<<r;
- }
- }
- }
- //}
- // Merge in delay slot
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- }
- }
- } else {
- // Conditional branch
- will_dirty_i=will_dirty_next;
- wont_dirty_i=wont_dirty_next;
- //if(ba[i]>start+i*4) { // Disable recursion (for debugging)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- signed char target_reg=branch_regs[i].regmap[r];
- if(target_reg==regs[(ba[i]-start)>>2].regmap_entry[r]) {
- will_dirty_i&=will_dirty[(ba[i]-start)>>2]&(1<<r);
- wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
- }
- else if(target_reg>=0) {
- will_dirty_i&=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r;
- wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>(target_reg&63))&1)<<r;
- }
- }
- }
- //}
- // Merge in delay slot
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if (1) { // !dops[i].likely) {
- // Might not dirty if likely branch is not taken
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(branch_regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- //if((regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- }
- }
- }
- }
- // Merge in delay slot (won't dirty)
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((regs[i].regmap[r]&63)==dops[i].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i+1].rt2) wont_dirty_i|=1<<r;
- if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt1) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i].rt2) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt1) wont_dirty_i|=1<<r;
- if((branch_regs[i].regmap[r]&63)==dops[i+1].rt2) wont_dirty_i|=1<<r;
- if(branch_regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
- }
- }
- if(wr) {
- #ifndef DESTRUCTIVE_WRITEBACK
- branch_regs[i].dirty&=wont_dirty_i;
- #endif
- branch_regs[i].dirty|=will_dirty_i;
- }
- }
- }
- }
- else if(dops[i].itype==SYSCALL||dops[i].itype==HLECALL||dops[i].itype==INTCALL)
- {
- // SYSCALL instruction (software interrupt)
- will_dirty_i=0;
- wont_dirty_i=0;
- }
- else if(dops[i].itype==COP0 && (source[i]&0x3f)==0x18)
- {
- // ERET instruction (return from interrupt)
- will_dirty_i=0;
- wont_dirty_i=0;
- }
- will_dirty_next=will_dirty_i;
- wont_dirty_next=wont_dirty_i;
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if((regs[i].regmap[r]&63)==dops[i].rt1) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)>33) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]<=0) will_dirty_i&=~(1<<r);
- if(regs[i].regmap[r]==CCREG) will_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i].rt2) wont_dirty_i|=1<<r;
- if(regs[i].regmap[r]==CCREG) wont_dirty_i|=1<<r;
- if(i>istart) {
- if (!dops[i].is_jump)
- {
- // Don't store a register immediately after writing it,
- // may prevent dual-issue.
- if((regs[i].regmap[r]&63)==dops[i-1].rt1) wont_dirty_i|=1<<r;
- if((regs[i].regmap[r]&63)==dops[i-1].rt2) wont_dirty_i|=1<<r;
- }
- }
- }
- }
- // Save it
- will_dirty[i]=will_dirty_i;
- wont_dirty[i]=wont_dirty_i;
- // Mark registers that won't be dirtied as not dirty
- if(wr) {
- regs[i].dirty|=will_dirty_i;
- #ifndef DESTRUCTIVE_WRITEBACK
- regs[i].dirty&=wont_dirty_i;
- if(dops[i].is_jump)
- {
- if (i < iend-1 && !dops[i].is_ujump) {
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if(regs[i].regmap[r]==regmap_pre[i+2][r]) {
- regs[i+2].wasdirty&=wont_dirty_i|~(1<<r);
- }else {/*printf("i: %x (%d) mismatch(+2): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
- }
- }
- }
- }
- else
- {
- if(i<iend) {
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- if(regs[i].regmap[r]==regmap_pre[i+1][r]) {
- regs[i+1].wasdirty&=wont_dirty_i|~(1<<r);
- }else {/*printf("i: %x (%d) mismatch(+1): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
- }
- }
- }
- }
- #endif
- //}
- }
- // Deal with changed mappings
- temp_will_dirty=will_dirty_i;
- temp_wont_dirty=wont_dirty_i;
- for(r=0;r<HOST_REGS;r++) {
- if(r!=EXCLUDE_REG) {
- int nr;
- if(regs[i].regmap[r]==regmap_pre[i][r]) {
- if(wr) {
- #ifndef DESTRUCTIVE_WRITEBACK
- regs[i].wasdirty&=wont_dirty_i|~(1<<r);
- #endif
- regs[i].wasdirty|=will_dirty_i&(1<<r);
- }
- }
- else if(regmap_pre[i][r]>=0&&(nr=get_reg(regs[i].regmap,regmap_pre[i][r]))>=0) {
- // Register moved to a different register
- will_dirty_i&=~(1<<r);
- wont_dirty_i&=~(1<<r);
- will_dirty_i|=((temp_will_dirty>>nr)&1)<<r;
- wont_dirty_i|=((temp_wont_dirty>>nr)&1)<<r;
- if(wr) {
- #ifndef DESTRUCTIVE_WRITEBACK
- regs[i].wasdirty&=wont_dirty_i|~(1<<r);
- #endif
- regs[i].wasdirty|=will_dirty_i&(1<<r);
- }
- }
- else {
- will_dirty_i&=~(1<<r);
- wont_dirty_i&=~(1<<r);
- if((regmap_pre[i][r]&63)>0 && (regmap_pre[i][r]&63)<34) {
- will_dirty_i|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r;
- wont_dirty_i|=((unneeded_reg[i]>>(regmap_pre[i][r]&63))&1)<<r;
- } else {
- wont_dirty_i|=1<<r;
- /*printf("i: %x (%d) mismatch: %d\n",start+i*4,i,r);assert(!((will_dirty>>r)&1));*/
- }
- }
- }
- }
+#define set_mnemonic(i_, n_) \
+ strcpy(insn[i_], n_)
+
+void print_regmap(const char *name, const signed char *regmap)
+{
+ char buf[5];
+ int i, l;
+ fputs(name, stdout);
+ for (i = 0; i < HOST_REGS; i++) {
+ l = 0;
+ if (regmap[i] >= 0)
+ l = snprintf(buf, sizeof(buf), "$%d", regmap[i]);
+ for (; l < 3; l++)
+ buf[l] = ' ';
+ buf[l] = 0;
+ printf(" r%d=%s", i, buf);
}
+ fputs("\n", stdout);
}
-#ifdef DISASM
/* disassembly */
void disassemble_inst(int i)
{
//printf (" %s %8x\n",insn[i],source[i]);
printf (" %x: %s\n",start+i*4,insn[i]);
}
+ return;
+ printf("D: %"PRIu64" WD: %"PRIu64" U: %"PRIu64"\n",
+ regs[i].dirty, regs[i].wasdirty, unneeded_reg[i]);
+ print_regmap("pre: ", regmap_pre[i]);
+ print_regmap("entry: ", regs[i].regmap_entry);
+ print_regmap("map: ", regs[i].regmap);
+ if (dops[i].is_jump) {
+ print_regmap("bentry:", branch_regs[i].regmap_entry);
+ print_regmap("bmap: ", branch_regs[i].regmap);
+ }
}
#else
+#define set_mnemonic(i_, n_)
static void disassemble_inst(int i) {}
#endif // DISASM
SysPrintf("linkage_arm* miscompilation/breakage detected.\n");
}
- SysPrintf("testing if we can run recompiled code...\n");
+ SysPrintf("testing if we can run recompiled code @%p...\n", out);
((volatile u_int *)out)[0]++; // make cache dirty
for (i = 0; i < ARRAY_SIZE(ret); i++) {
memset(invalid_code,1,sizeof(invalid_code));
memset(hash_table,0xff,sizeof(hash_table));
memset(mini_ht,-1,sizeof(mini_ht));
- memset(restore_candidate,0,sizeof(restore_candidate));
memset(shadow,0,sizeof(shadow));
copy=shadow;
expirep=16384; // Expiry pointer, +2 blocks
literalcount=0;
stop_after_jal=0;
inv_code_start=inv_code_end=~0;
+ hack_addr=0;
f1_hack=0;
// TLB
for(n=0;n<4096;n++) ll_clear(jump_in+n);
void new_dynarec_init(void)
{
- SysPrintf("Init new dynarec\n");
+ SysPrintf("Init new dynarec, ndrc size %x\n", (int)sizeof(*ndrc));
#ifdef _3DS
check_rosalina();
#ifdef BASE_ADDR_DYNAMIC
#ifdef VITA
sceBlock = getVMBlock(); //sceKernelAllocMemBlockForVM("code", sizeof(*ndrc));
- if (sceBlock < 0)
- SysPrintf("sceKernelAllocMemBlockForVM failed\n");
+ if (sceBlock <= 0)
+ SysPrintf("sceKernelAllocMemBlockForVM failed: %x\n", sceBlock);
int ret = sceKernelGetMemBlockBase(sceBlock, (void **)&ndrc);
if (ret < 0)
- SysPrintf("sceKernelGetMemBlockBase failed\n");
+ SysPrintf("sceKernelGetMemBlockBase failed: %x\n", ret);
sceKernelOpenVMDomain();
sceClibPrintf("translation_cache = 0x%08lx\n ", (long)ndrc->translation_cache);
#elif defined(_MSC_VER)
#else
#ifndef NO_WRITE_EXEC
// not all systems allow execute in data segment by default
- if (mprotect(ndrc, sizeof(ndrc->translation_cache) + sizeof(ndrc->tramp.ops),
+ // size must be 4K aligned for 3DS?
+ if (mprotect(ndrc, sizeof(*ndrc),
PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
SysPrintf("mprotect() failed: %s\n", strerror(errno));
#endif
ram_offset=(uintptr_t)rdram-0x80000000;
if (ram_offset!=0)
SysPrintf("warning: RAM is not directly mapped, performance will suffer\n");
+ SysPrintf("Mapped (RAM/scrp/ROM/LUTs/TC):\n");
+ SysPrintf("%p/%p/%p/%p/%p\n", psxM, psxH, psxR, mem_rtab, out);
}
void new_dynarec_cleanup(void)
int n;
#ifdef BASE_ADDR_DYNAMIC
#ifdef VITA
- sceKernelFreeMemBlock(sceBlock);
- sceBlock = -1;
+ // sceBlock is managed by retroarch's bootstrap code
+ //sceKernelFreeMemBlock(sceBlock);
+ //sceBlock = -1;
#else
if (munmap(ndrc, sizeof(*ndrc)) < 0)
SysPrintf("munmap() failed\n");
#ifdef ROM_COPY
if (munmap (ROM_COPY, 67108864) < 0) {SysPrintf("munmap() failed\n");}
#endif
+ new_dynarec_print_stats();
}
static u_int *get_source_start(u_int addr, u_int *limit)
memcpy(&psxRegs.GPR, regs_save, sizeof(regs_save));
}
-static void apply_hacks(void)
+void new_dynarec_print_stats(void)
+{
+#ifdef STAT_PRINT
+ printf("cc %3d,%3d,%3d lu%3d,%3d c%3d inv%3d,%3d tc_offs %zu\n",
+ stat_bc_pre, stat_bc_direct, stat_bc_restore,
+ stat_jump_in_lookups, stat_restore_tries, stat_restore_compares,
+ stat_inv_addr_calls, stat_inv_hits,
+ out - ndrc->translation_cache);
+ stat_bc_direct = stat_bc_pre = stat_bc_restore =
+ stat_jump_in_lookups = stat_restore_tries = stat_restore_compares =
+ stat_inv_addr_calls = stat_inv_hits = 0;
+#endif
+}
+
+static int apply_hacks(void)
{
int i;
if (HACK_ENABLED(NDHACK_NO_COMPAT_HACKS))
- return;
+ return 0;
/* special hack(s) */
for (i = 0; i < slen - 4; i++)
{
if (dops[i].itype == STORELR && dops[i].rs1 == 6
&& dops[i-1].itype == STORELR && dops[i-1].rs1 == 6)
{
- SysPrintf("F1 hack from %08x\n", start);
- if (f1_hack == 0)
- f1_hack = ~0u;
+ SysPrintf("F1 hack from %08x, old dst %08x\n", start, hack_addr);
+ f1_hack = 1;
+ return 1;
}
}
+ return 0;
}
-int new_recompile_block(u_int addr)
+static noinline void pass1_disassemble(u_int pagelimit)
{
- u_int pagelimit = 0;
- u_int state_rflags = 0;
- int i;
-
- assem_debug("NOTCOMPILED: addr = %x -> %p\n", addr, out);
- //printf("TRACE: count=%d next=%d (compile %x)\n",Count,next_interupt,addr);
- //if(debug)
- //printf("fpu mapping=%x enabled=%x\n",(Status & 0x04000000)>>26,(Status & 0x20000000)>>29);
-
- // this is just for speculation
- for (i = 1; i < 32; i++) {
- if ((psxRegs.GPR.r[i] & 0xffff0000) == 0x1f800000)
- state_rflags |= 1 << i;
- }
-
- start = (u_int)addr&~3;
- //assert(((u_int)addr&1)==0); // start-in-delay-slot flag
- new_dynarec_did_compile=1;
- if (Config.HLE && start == 0x80001000) // hlecall
- {
- // XXX: is this enough? Maybe check hleSoftCall?
- void *beginning=start_block();
- u_int page=get_page(start);
-
- invalid_code[start>>12]=0;
- emit_movimm(start,0);
- emit_writeword(0,&pcaddr);
- emit_far_jump(new_dyna_leave);
- literal_pool(0);
- end_block(beginning);
- ll_add_flags(jump_in+page,start,state_rflags,(void *)beginning);
- return 0;
- }
- else if (f1_hack == ~0u || (f1_hack != 0 && start == f1_hack)) {
- void *beginning = start_block();
- u_int page = get_page(start);
- emit_readword(&psxRegs.GPR.n.sp, 0);
- emit_readptr(&mem_rtab, 1);
- emit_shrimm(0, 12, 2);
- emit_readptr_dualindexedx_ptrlen(1, 2, 1);
- emit_addimm(0, 0x18, 0);
- emit_adds_ptr(1, 1, 1);
- emit_ldr_dualindexed(1, 0, 0);
- emit_writeword(0, &psxRegs.GPR.r[26]); // lw k0, 0x18(sp)
- emit_far_call(get_addr_ht);
- emit_jmpreg(0); // jr k0
- literal_pool(0);
- end_block(beginning);
-
- ll_add_flags(jump_in + page, start, state_rflags, beginning);
- SysPrintf("F1 hack to %08x\n", start);
- f1_hack = start;
- return 0;
- }
-
- cycle_multiplier_active = cycle_multiplier_override && cycle_multiplier == CYCLE_MULT_DEFAULT
- ? cycle_multiplier_override : cycle_multiplier;
-
- source = get_source_start(start, &pagelimit);
- if (source == NULL) {
- SysPrintf("Compile at bogus memory address: %08x\n", addr);
- abort();
- }
-
- /* Pass 1: disassemble */
- /* Pass 2: register dependencies, branch targets */
- /* Pass 3: register allocation */
- /* Pass 4: branch dependencies */
- /* Pass 5: pre-alloc */
- /* Pass 6: optimize clean/dirty state */
- /* Pass 7: flag 32-bit registers */
- /* Pass 8: assembly */
- /* Pass 9: linker */
- /* Pass 10: garbage collection / free memory */
-
- int j;
- int done=0;
+ int i, j, done = 0, ni_count = 0;
unsigned int type,op,op2;
- //printf("addr = %x source = %x %x\n", addr,source,source[0]);
-
- /* Pass 1 disassembly */
-
- for(i=0;!done;i++) {
- dops[i].bt=0;
- dops[i].ooo=0;
+ for (i = 0; !done; i++)
+ {
+ memset(&dops[i], 0, sizeof(dops[i]));
op2=0;
minimum_free_regs[i]=0;
dops[i].opcode=op=source[i]>>26;
switch(op)
{
- case 0x00: strcpy(insn[i],"special"); type=NI;
+ case 0x00: set_mnemonic(i, "special"); type=NI;
op2=source[i]&0x3f;
switch(op2)
{
- case 0x00: strcpy(insn[i],"SLL"); type=SHIFTIMM; break;
- case 0x02: strcpy(insn[i],"SRL"); type=SHIFTIMM; break;
- case 0x03: strcpy(insn[i],"SRA"); type=SHIFTIMM; break;
- case 0x04: strcpy(insn[i],"SLLV"); type=SHIFT; break;
- case 0x06: strcpy(insn[i],"SRLV"); type=SHIFT; break;
- case 0x07: strcpy(insn[i],"SRAV"); type=SHIFT; break;
- case 0x08: strcpy(insn[i],"JR"); type=RJUMP; break;
- case 0x09: strcpy(insn[i],"JALR"); type=RJUMP; break;
- case 0x0C: strcpy(insn[i],"SYSCALL"); type=SYSCALL; break;
- case 0x0D: strcpy(insn[i],"BREAK"); type=OTHER; break;
- case 0x0F: strcpy(insn[i],"SYNC"); type=OTHER; break;
- case 0x10: strcpy(insn[i],"MFHI"); type=MOV; break;
- case 0x11: strcpy(insn[i],"MTHI"); type=MOV; break;
- case 0x12: strcpy(insn[i],"MFLO"); type=MOV; break;
- case 0x13: strcpy(insn[i],"MTLO"); type=MOV; break;
- case 0x18: strcpy(insn[i],"MULT"); type=MULTDIV; break;
- case 0x19: strcpy(insn[i],"MULTU"); type=MULTDIV; break;
- case 0x1A: strcpy(insn[i],"DIV"); type=MULTDIV; break;
- case 0x1B: strcpy(insn[i],"DIVU"); type=MULTDIV; break;
- case 0x20: strcpy(insn[i],"ADD"); type=ALU; break;
- case 0x21: strcpy(insn[i],"ADDU"); type=ALU; break;
- case 0x22: strcpy(insn[i],"SUB"); type=ALU; break;
- case 0x23: strcpy(insn[i],"SUBU"); type=ALU; break;
- case 0x24: strcpy(insn[i],"AND"); type=ALU; break;
- case 0x25: strcpy(insn[i],"OR"); type=ALU; break;
- case 0x26: strcpy(insn[i],"XOR"); type=ALU; break;
- case 0x27: strcpy(insn[i],"NOR"); type=ALU; break;
- case 0x2A: strcpy(insn[i],"SLT"); type=ALU; break;
- case 0x2B: strcpy(insn[i],"SLTU"); type=ALU; break;
- case 0x30: strcpy(insn[i],"TGE"); type=NI; break;
- case 0x31: strcpy(insn[i],"TGEU"); type=NI; break;
- case 0x32: strcpy(insn[i],"TLT"); type=NI; break;
- case 0x33: strcpy(insn[i],"TLTU"); type=NI; break;
- case 0x34: strcpy(insn[i],"TEQ"); type=NI; break;
- case 0x36: strcpy(insn[i],"TNE"); type=NI; break;
+ case 0x00: set_mnemonic(i, "SLL"); type=SHIFTIMM; break;
+ case 0x02: set_mnemonic(i, "SRL"); type=SHIFTIMM; break;
+ case 0x03: set_mnemonic(i, "SRA"); type=SHIFTIMM; break;
+ case 0x04: set_mnemonic(i, "SLLV"); type=SHIFT; break;
+ case 0x06: set_mnemonic(i, "SRLV"); type=SHIFT; break;
+ case 0x07: set_mnemonic(i, "SRAV"); type=SHIFT; break;
+ case 0x08: set_mnemonic(i, "JR"); type=RJUMP; break;
+ case 0x09: set_mnemonic(i, "JALR"); type=RJUMP; break;
+ case 0x0C: set_mnemonic(i, "SYSCALL"); type=SYSCALL; break;
+ case 0x0D: set_mnemonic(i, "BREAK"); type=SYSCALL; break;
+ case 0x0F: set_mnemonic(i, "SYNC"); type=OTHER; break;
+ case 0x10: set_mnemonic(i, "MFHI"); type=MOV; break;
+ case 0x11: set_mnemonic(i, "MTHI"); type=MOV; break;
+ case 0x12: set_mnemonic(i, "MFLO"); type=MOV; break;
+ case 0x13: set_mnemonic(i, "MTLO"); type=MOV; break;
+ case 0x18: set_mnemonic(i, "MULT"); type=MULTDIV; break;
+ case 0x19: set_mnemonic(i, "MULTU"); type=MULTDIV; break;
+ case 0x1A: set_mnemonic(i, "DIV"); type=MULTDIV; break;
+ case 0x1B: set_mnemonic(i, "DIVU"); type=MULTDIV; break;
+ case 0x20: set_mnemonic(i, "ADD"); type=ALU; break;
+ case 0x21: set_mnemonic(i, "ADDU"); type=ALU; break;
+ case 0x22: set_mnemonic(i, "SUB"); type=ALU; break;
+ case 0x23: set_mnemonic(i, "SUBU"); type=ALU; break;
+ case 0x24: set_mnemonic(i, "AND"); type=ALU; break;
+ case 0x25: set_mnemonic(i, "OR"); type=ALU; break;
+ case 0x26: set_mnemonic(i, "XOR"); type=ALU; break;
+ case 0x27: set_mnemonic(i, "NOR"); type=ALU; break;
+ case 0x2A: set_mnemonic(i, "SLT"); type=ALU; break;
+ case 0x2B: set_mnemonic(i, "SLTU"); type=ALU; break;
+ case 0x30: set_mnemonic(i, "TGE"); type=NI; break;
+ case 0x31: set_mnemonic(i, "TGEU"); type=NI; break;
+ case 0x32: set_mnemonic(i, "TLT"); type=NI; break;
+ case 0x33: set_mnemonic(i, "TLTU"); type=NI; break;
+ case 0x34: set_mnemonic(i, "TEQ"); type=NI; break;
+ case 0x36: set_mnemonic(i, "TNE"); type=NI; break;
#if 0
- case 0x14: strcpy(insn[i],"DSLLV"); type=SHIFT; break;
- case 0x16: strcpy(insn[i],"DSRLV"); type=SHIFT; break;
- case 0x17: strcpy(insn[i],"DSRAV"); type=SHIFT; break;
- case 0x1C: strcpy(insn[i],"DMULT"); type=MULTDIV; break;
- case 0x1D: strcpy(insn[i],"DMULTU"); type=MULTDIV; break;
- case 0x1E: strcpy(insn[i],"DDIV"); type=MULTDIV; break;
- case 0x1F: strcpy(insn[i],"DDIVU"); type=MULTDIV; break;
- case 0x2C: strcpy(insn[i],"DADD"); type=ALU; break;
- case 0x2D: strcpy(insn[i],"DADDU"); type=ALU; break;
- case 0x2E: strcpy(insn[i],"DSUB"); type=ALU; break;
- case 0x2F: strcpy(insn[i],"DSUBU"); type=ALU; break;
- case 0x38: strcpy(insn[i],"DSLL"); type=SHIFTIMM; break;
- case 0x3A: strcpy(insn[i],"DSRL"); type=SHIFTIMM; break;
- case 0x3B: strcpy(insn[i],"DSRA"); type=SHIFTIMM; break;
- case 0x3C: strcpy(insn[i],"DSLL32"); type=SHIFTIMM; break;
- case 0x3E: strcpy(insn[i],"DSRL32"); type=SHIFTIMM; break;
- case 0x3F: strcpy(insn[i],"DSRA32"); type=SHIFTIMM; break;
+ case 0x14: set_mnemonic(i, "DSLLV"); type=SHIFT; break;
+ case 0x16: set_mnemonic(i, "DSRLV"); type=SHIFT; break;
+ case 0x17: set_mnemonic(i, "DSRAV"); type=SHIFT; break;
+ case 0x1C: set_mnemonic(i, "DMULT"); type=MULTDIV; break;
+ case 0x1D: set_mnemonic(i, "DMULTU"); type=MULTDIV; break;
+ case 0x1E: set_mnemonic(i, "DDIV"); type=MULTDIV; break;
+ case 0x1F: set_mnemonic(i, "DDIVU"); type=MULTDIV; break;
+ case 0x2C: set_mnemonic(i, "DADD"); type=ALU; break;
+ case 0x2D: set_mnemonic(i, "DADDU"); type=ALU; break;
+ case 0x2E: set_mnemonic(i, "DSUB"); type=ALU; break;
+ case 0x2F: set_mnemonic(i, "DSUBU"); type=ALU; break;
+ case 0x38: set_mnemonic(i, "DSLL"); type=SHIFTIMM; break;
+ case 0x3A: set_mnemonic(i, "DSRL"); type=SHIFTIMM; break;
+ case 0x3B: set_mnemonic(i, "DSRA"); type=SHIFTIMM; break;
+ case 0x3C: set_mnemonic(i, "DSLL32"); type=SHIFTIMM; break;
+ case 0x3E: set_mnemonic(i, "DSRL32"); type=SHIFTIMM; break;
+ case 0x3F: set_mnemonic(i, "DSRA32"); type=SHIFTIMM; break;
#endif
}
break;
- case 0x01: strcpy(insn[i],"regimm"); type=NI;
+ case 0x01: set_mnemonic(i, "regimm"); type=NI;
op2=(source[i]>>16)&0x1f;
switch(op2)
{
- case 0x00: strcpy(insn[i],"BLTZ"); type=SJUMP; break;
- case 0x01: strcpy(insn[i],"BGEZ"); type=SJUMP; break;
- //case 0x02: strcpy(insn[i],"BLTZL"); type=SJUMP; break;
- //case 0x03: strcpy(insn[i],"BGEZL"); type=SJUMP; break;
- //case 0x08: strcpy(insn[i],"TGEI"); type=NI; break;
- //case 0x09: strcpy(insn[i],"TGEIU"); type=NI; break;
- //case 0x0A: strcpy(insn[i],"TLTI"); type=NI; break;
- //case 0x0B: strcpy(insn[i],"TLTIU"); type=NI; break;
- //case 0x0C: strcpy(insn[i],"TEQI"); type=NI; break;
- //case 0x0E: strcpy(insn[i],"TNEI"); type=NI; break;
- case 0x10: strcpy(insn[i],"BLTZAL"); type=SJUMP; break;
- case 0x11: strcpy(insn[i],"BGEZAL"); type=SJUMP; break;
- //case 0x12: strcpy(insn[i],"BLTZALL"); type=SJUMP; break;
- //case 0x13: strcpy(insn[i],"BGEZALL"); type=SJUMP; break;
+ case 0x00: set_mnemonic(i, "BLTZ"); type=SJUMP; break;
+ case 0x01: set_mnemonic(i, "BGEZ"); type=SJUMP; break;
+ //case 0x02: set_mnemonic(i, "BLTZL"); type=SJUMP; break;
+ //case 0x03: set_mnemonic(i, "BGEZL"); type=SJUMP; break;
+ //case 0x08: set_mnemonic(i, "TGEI"); type=NI; break;
+ //case 0x09: set_mnemonic(i, "TGEIU"); type=NI; break;
+ //case 0x0A: set_mnemonic(i, "TLTI"); type=NI; break;
+ //case 0x0B: set_mnemonic(i, "TLTIU"); type=NI; break;
+ //case 0x0C: set_mnemonic(i, "TEQI"); type=NI; break;
+ //case 0x0E: set_mnemonic(i, "TNEI"); type=NI; break;
+ case 0x10: set_mnemonic(i, "BLTZAL"); type=SJUMP; break;
+ case 0x11: set_mnemonic(i, "BGEZAL"); type=SJUMP; break;
+ //case 0x12: set_mnemonic(i, "BLTZALL"); type=SJUMP; break;
+ //case 0x13: set_mnemonic(i, "BGEZALL"); type=SJUMP; break;
}
break;
- case 0x02: strcpy(insn[i],"J"); type=UJUMP; break;
- case 0x03: strcpy(insn[i],"JAL"); type=UJUMP; break;
- case 0x04: strcpy(insn[i],"BEQ"); type=CJUMP; break;
- case 0x05: strcpy(insn[i],"BNE"); type=CJUMP; break;
- case 0x06: strcpy(insn[i],"BLEZ"); type=CJUMP; break;
- case 0x07: strcpy(insn[i],"BGTZ"); type=CJUMP; break;
- case 0x08: strcpy(insn[i],"ADDI"); type=IMM16; break;
- case 0x09: strcpy(insn[i],"ADDIU"); type=IMM16; break;
- case 0x0A: strcpy(insn[i],"SLTI"); type=IMM16; break;
- case 0x0B: strcpy(insn[i],"SLTIU"); type=IMM16; break;
- case 0x0C: strcpy(insn[i],"ANDI"); type=IMM16; break;
- case 0x0D: strcpy(insn[i],"ORI"); type=IMM16; break;
- case 0x0E: strcpy(insn[i],"XORI"); type=IMM16; break;
- case 0x0F: strcpy(insn[i],"LUI"); type=IMM16; break;
- case 0x10: strcpy(insn[i],"cop0"); type=NI;
+ case 0x02: set_mnemonic(i, "J"); type=UJUMP; break;
+ case 0x03: set_mnemonic(i, "JAL"); type=UJUMP; break;
+ case 0x04: set_mnemonic(i, "BEQ"); type=CJUMP; break;
+ case 0x05: set_mnemonic(i, "BNE"); type=CJUMP; break;
+ case 0x06: set_mnemonic(i, "BLEZ"); type=CJUMP; break;
+ case 0x07: set_mnemonic(i, "BGTZ"); type=CJUMP; break;
+ case 0x08: set_mnemonic(i, "ADDI"); type=IMM16; break;
+ case 0x09: set_mnemonic(i, "ADDIU"); type=IMM16; break;
+ case 0x0A: set_mnemonic(i, "SLTI"); type=IMM16; break;
+ case 0x0B: set_mnemonic(i, "SLTIU"); type=IMM16; break;
+ case 0x0C: set_mnemonic(i, "ANDI"); type=IMM16; break;
+ case 0x0D: set_mnemonic(i, "ORI"); type=IMM16; break;
+ case 0x0E: set_mnemonic(i, "XORI"); type=IMM16; break;
+ case 0x0F: set_mnemonic(i, "LUI"); type=IMM16; break;
+ case 0x10: set_mnemonic(i, "cop0"); type=NI;
op2=(source[i]>>21)&0x1f;
switch(op2)
{
- case 0x00: strcpy(insn[i],"MFC0"); type=COP0; break;
- case 0x02: strcpy(insn[i],"CFC0"); type=COP0; break;
- case 0x04: strcpy(insn[i],"MTC0"); type=COP0; break;
- case 0x06: strcpy(insn[i],"CTC0"); type=COP0; break;
- case 0x10: strcpy(insn[i],"RFE"); type=COP0; break;
+ case 0x00: set_mnemonic(i, "MFC0"); type=COP0; break;
+ case 0x02: set_mnemonic(i, "CFC0"); type=COP0; break;
+ case 0x04: set_mnemonic(i, "MTC0"); type=COP0; break;
+ case 0x06: set_mnemonic(i, "CTC0"); type=COP0; break;
+ case 0x10: set_mnemonic(i, "RFE"); type=COP0; break;
}
break;
- case 0x11: strcpy(insn[i],"cop1"); type=COP1;
+ case 0x11: set_mnemonic(i, "cop1"); type=COP1;
op2=(source[i]>>21)&0x1f;
break;
#if 0
- case 0x14: strcpy(insn[i],"BEQL"); type=CJUMP; break;
- case 0x15: strcpy(insn[i],"BNEL"); type=CJUMP; break;
- case 0x16: strcpy(insn[i],"BLEZL"); type=CJUMP; break;
- case 0x17: strcpy(insn[i],"BGTZL"); type=CJUMP; break;
- case 0x18: strcpy(insn[i],"DADDI"); type=IMM16; break;
- case 0x19: strcpy(insn[i],"DADDIU"); type=IMM16; break;
- case 0x1A: strcpy(insn[i],"LDL"); type=LOADLR; break;
- case 0x1B: strcpy(insn[i],"LDR"); type=LOADLR; break;
+ case 0x14: set_mnemonic(i, "BEQL"); type=CJUMP; break;
+ case 0x15: set_mnemonic(i, "BNEL"); type=CJUMP; break;
+ case 0x16: set_mnemonic(i, "BLEZL"); type=CJUMP; break;
+ case 0x17: set_mnemonic(i, "BGTZL"); type=CJUMP; break;
+ case 0x18: set_mnemonic(i, "DADDI"); type=IMM16; break;
+ case 0x19: set_mnemonic(i, "DADDIU"); type=IMM16; break;
+ case 0x1A: set_mnemonic(i, "LDL"); type=LOADLR; break;
+ case 0x1B: set_mnemonic(i, "LDR"); type=LOADLR; break;
#endif
- case 0x20: strcpy(insn[i],"LB"); type=LOAD; break;
- case 0x21: strcpy(insn[i],"LH"); type=LOAD; break;
- case 0x22: strcpy(insn[i],"LWL"); type=LOADLR; break;
- case 0x23: strcpy(insn[i],"LW"); type=LOAD; break;
- case 0x24: strcpy(insn[i],"LBU"); type=LOAD; break;
- case 0x25: strcpy(insn[i],"LHU"); type=LOAD; break;
- case 0x26: strcpy(insn[i],"LWR"); type=LOADLR; break;
+ case 0x20: set_mnemonic(i, "LB"); type=LOAD; break;
+ case 0x21: set_mnemonic(i, "LH"); type=LOAD; break;
+ case 0x22: set_mnemonic(i, "LWL"); type=LOADLR; break;
+ case 0x23: set_mnemonic(i, "LW"); type=LOAD; break;
+ case 0x24: set_mnemonic(i, "LBU"); type=LOAD; break;
+ case 0x25: set_mnemonic(i, "LHU"); type=LOAD; break;
+ case 0x26: set_mnemonic(i, "LWR"); type=LOADLR; break;
#if 0
- case 0x27: strcpy(insn[i],"LWU"); type=LOAD; break;
+ case 0x27: set_mnemonic(i, "LWU"); type=LOAD; break;
#endif
- case 0x28: strcpy(insn[i],"SB"); type=STORE; break;
- case 0x29: strcpy(insn[i],"SH"); type=STORE; break;
- case 0x2A: strcpy(insn[i],"SWL"); type=STORELR; break;
- case 0x2B: strcpy(insn[i],"SW"); type=STORE; break;
+ case 0x28: set_mnemonic(i, "SB"); type=STORE; break;
+ case 0x29: set_mnemonic(i, "SH"); type=STORE; break;
+ case 0x2A: set_mnemonic(i, "SWL"); type=STORELR; break;
+ case 0x2B: set_mnemonic(i, "SW"); type=STORE; break;
#if 0
- case 0x2C: strcpy(insn[i],"SDL"); type=STORELR; break;
- case 0x2D: strcpy(insn[i],"SDR"); type=STORELR; break;
+ case 0x2C: set_mnemonic(i, "SDL"); type=STORELR; break;
+ case 0x2D: set_mnemonic(i, "SDR"); type=STORELR; break;
#endif
- case 0x2E: strcpy(insn[i],"SWR"); type=STORELR; break;
- case 0x2F: strcpy(insn[i],"CACHE"); type=NOP; break;
- case 0x30: strcpy(insn[i],"LL"); type=NI; break;
- case 0x31: strcpy(insn[i],"LWC1"); type=C1LS; break;
+ case 0x2E: set_mnemonic(i, "SWR"); type=STORELR; break;
+ case 0x2F: set_mnemonic(i, "CACHE"); type=NOP; break;
+ case 0x30: set_mnemonic(i, "LL"); type=NI; break;
+ case 0x31: set_mnemonic(i, "LWC1"); type=C1LS; break;
#if 0
- case 0x34: strcpy(insn[i],"LLD"); type=NI; break;
- case 0x35: strcpy(insn[i],"LDC1"); type=C1LS; break;
- case 0x37: strcpy(insn[i],"LD"); type=LOAD; break;
+ case 0x34: set_mnemonic(i, "LLD"); type=NI; break;
+ case 0x35: set_mnemonic(i, "LDC1"); type=C1LS; break;
+ case 0x37: set_mnemonic(i, "LD"); type=LOAD; break;
#endif
- case 0x38: strcpy(insn[i],"SC"); type=NI; break;
- case 0x39: strcpy(insn[i],"SWC1"); type=C1LS; break;
+ case 0x38: set_mnemonic(i, "SC"); type=NI; break;
+ case 0x39: set_mnemonic(i, "SWC1"); type=C1LS; break;
#if 0
- case 0x3C: strcpy(insn[i],"SCD"); type=NI; break;
- case 0x3D: strcpy(insn[i],"SDC1"); type=C1LS; break;
- case 0x3F: strcpy(insn[i],"SD"); type=STORE; break;
+ case 0x3C: set_mnemonic(i, "SCD"); type=NI; break;
+ case 0x3D: set_mnemonic(i, "SDC1"); type=C1LS; break;
+ case 0x3F: set_mnemonic(i, "SD"); type=STORE; break;
#endif
- case 0x12: strcpy(insn[i],"COP2"); type=NI;
+ case 0x12: set_mnemonic(i, "COP2"); type=NI;
op2=(source[i]>>21)&0x1f;
//if (op2 & 0x10)
if (source[i]&0x3f) { // use this hack to support old savestates with patched gte insns
if (gte_handlers[source[i]&0x3f]!=NULL) {
+#ifdef DISASM
if (gte_regnames[source[i]&0x3f]!=NULL)
strcpy(insn[i],gte_regnames[source[i]&0x3f]);
else
snprintf(insn[i], sizeof(insn[i]), "COP2 %x", source[i]&0x3f);
+#endif
type=C2OP;
}
}
else switch(op2)
{
- case 0x00: strcpy(insn[i],"MFC2"); type=COP2; break;
- case 0x02: strcpy(insn[i],"CFC2"); type=COP2; break;
- case 0x04: strcpy(insn[i],"MTC2"); type=COP2; break;
- case 0x06: strcpy(insn[i],"CTC2"); type=COP2; break;
+ case 0x00: set_mnemonic(i, "MFC2"); type=COP2; break;
+ case 0x02: set_mnemonic(i, "CFC2"); type=COP2; break;
+ case 0x04: set_mnemonic(i, "MTC2"); type=COP2; break;
+ case 0x06: set_mnemonic(i, "CTC2"); type=COP2; break;
}
break;
- case 0x32: strcpy(insn[i],"LWC2"); type=C2LS; break;
- case 0x3A: strcpy(insn[i],"SWC2"); type=C2LS; break;
- case 0x3B: strcpy(insn[i],"HLECALL"); type=HLECALL; break;
- default: strcpy(insn[i],"???"); type=NI;
- SysPrintf("NI %08x @%08x (%08x)\n", source[i], addr + i*4, addr);
+ case 0x32: set_mnemonic(i, "LWC2"); type=C2LS; break;
+ case 0x3A: set_mnemonic(i, "SWC2"); type=C2LS; break;
+ case 0x3B: set_mnemonic(i, "HLECALL"); type=HLECALL; break;
+ default: set_mnemonic(i, "???"); type=NI;
+ SysPrintf("NI %08x @%08x (%08x)\n", source[i], start + i*4, start);
break;
}
dops[i].itype=type;
dops[i].opcode2=op2;
/* Get registers/immediates */
- dops[i].lt1=0;
+ dops[i].use_lt1=0;
gte_rs[i]=gte_rt[i]=0;
switch(type) {
case LOAD:
// branch in delay slot?
if (dops[i].is_jump) {
// don't handle first branch and call interpreter if it's hit
- SysPrintf("branch in delay slot @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("branch in delay slot @%08x (%08x)\n", start + i*4, start);
do_in_intrp=1;
}
// basic load delay detection
int t=(ba[i-1]-start)/4;
if(0 <= t && t < i &&(dops[i].rt1==dops[t].rs1||dops[i].rt1==dops[t].rs2)&&dops[t].itype!=CJUMP&&dops[t].itype!=SJUMP) {
// jump target wants DS result - potential load delay effect
- SysPrintf("load delay @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("load delay @%08x (%08x)\n", start + i*4, start);
do_in_intrp=1;
dops[t+1].bt=1; // expected return from interpreter
}
else if(i>=2&&dops[i-2].rt1==2&&dops[i].rt1==2&&dops[i].rs1!=2&&dops[i].rs2!=2&&dops[i-1].rs1!=2&&dops[i-1].rs2!=2&&
!(i>=3&&dops[i-3].is_jump)) {
// v0 overwrite like this is a sign of trouble, bail out
- SysPrintf("v0 overwrite @%08x (%08x)\n", addr + i*4, addr);
+ SysPrintf("v0 overwrite @%08x (%08x)\n", start + i*4, start);
do_in_intrp=1;
}
}
- if(do_in_intrp) {
- dops[i-1].rs1=CCREG;
- dops[i-1].rs2=dops[i-1].rt1=dops[i-1].rt2=0;
- ba[i-1]=-1;
- dops[i-1].itype=INTCALL;
- done=2;
+ if (do_in_intrp) {
+ memset(&dops[i-1], 0, sizeof(dops[i-1]));
+ dops[i-1].itype = INTCALL;
+ dops[i-1].rs1 = CCREG;
+ ba[i-1] = -1;
+ done = 2;
i--; // don't compile the DS
}
}
/* Is this the end of the block? */
if (i > 0 && dops[i-1].is_ujump) {
- if(dops[i-1].rt1==0) { // Continue past subroutine call (JAL)
- done=2;
+ if (dops[i-1].rt1 == 0) { // not jal
+ int found_bbranch = 0, t = (ba[i-1] - start) / 4;
+ if ((u_int)(t - i) < 64 && start + (t+64)*4 < pagelimit) {
+ // scan for a branch back to i+1
+ for (j = t; j < t + 64; j++) {
+ int tmpop = source[j] >> 26;
+ if (tmpop == 1 || ((tmpop & ~3) == 4)) {
+ int t2 = j + 1 + (int)(signed short)source[j];
+ if (t2 == i + 1) {
+ //printf("blk expand %08x<-%08x\n", start + (i+1)*4, start + j*4);
+ found_bbranch = 1;
+ break;
+ }
+ }
+ }
+ }
+ if (!found_bbranch)
+ done = 2;
}
else {
if(stop_after_jal) done=1;
// Don't get too close to the limit
if(i>MAXBLOCK/2) done=1;
}
- if(dops[i].itype==SYSCALL&&stop_after_jal) done=1;
- if(dops[i].itype==HLECALL||dops[i].itype==INTCALL) done=2;
- if(done==2) {
+ if (dops[i].itype == SYSCALL || dops[i].itype == HLECALL || dops[i].itype == INTCALL)
+ done = stop_after_jal ? 1 : 2;
+ if (done == 2) {
// Does the block continue due to a branch?
for(j=i-1;j>=0;j--)
{
if(ba[j]==start+i*4+8) done=j=0;
}
}
- //assert(i<MAXBLOCK-1);
- if(start+i*4==pagelimit-4) done=1;
- assert(start+i*4<pagelimit);
- if (i==MAXBLOCK-1) done=1;
- // Stop if we're compiling junk
- if(dops[i].itype==NI&&dops[i].opcode==0x11) {
- done=stop_after_jal=1;
- SysPrintf("Disabled speculative precompilation\n");
- }
- }
- slen=i;
- if (dops[i-1].is_jump) {
- if(start+i*4==pagelimit) {
- dops[i-1].itype=SPAN;
- }
+ //assert(i<MAXBLOCK-1);
+ if(start+i*4==pagelimit-4) done=1;
+ assert(start+i*4<pagelimit);
+ if (i==MAXBLOCK-1) done=1;
+ // Stop if we're compiling junk
+ if(dops[i].itype == NI && (++ni_count > 8 || dops[i].opcode == 0x11)) {
+ done=stop_after_jal=1;
+ SysPrintf("Disabled speculative precompilation\n");
+ }
+ }
+ slen=i;
+ if (dops[i-1].is_jump) {
+ if(start+i*4==pagelimit) {
+ dops[i-1].itype=SPAN;
+ }
+ }
+ assert(slen>0);
+}
+
+// Basic liveness analysis for MIPS registers
+static noinline void pass2_unneeded_regs(int istart,int iend,int r)
+{
+ int i;
+ uint64_t u,gte_u,b,gte_b;
+ uint64_t temp_u,temp_gte_u=0;
+ uint64_t gte_u_unknown=0;
+ if (HACK_ENABLED(NDHACK_GTE_UNNEEDED))
+ gte_u_unknown=~0ll;
+ if(iend==slen-1) {
+ u=1;
+ gte_u=gte_u_unknown;
+ }else{
+ //u=unneeded_reg[iend+1];
+ u=1;
+ gte_u=gte_unneeded[iend+1];
+ }
+
+ for (i=iend;i>=istart;i--)
+ {
+ //printf("unneeded registers i=%d (%d,%d) r=%d\n",i,istart,iend,r);
+ if(dops[i].is_jump)
+ {
+ // If subroutine call, flag return address as a possible branch target
+ if(dops[i].rt1==31 && i<slen-2) dops[i+2].bt=1;
+
+ if(ba[i]<start || ba[i]>=(start+slen*4))
+ {
+ // Branch out of this block, flush all regs
+ u=1;
+ gte_u=gte_u_unknown;
+ branch_unneeded_reg[i]=u;
+ // Merge in delay slot
+ u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
+ u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
+ u|=1;
+ gte_u|=gte_rt[i+1];
+ gte_u&=~gte_rs[i+1];
+ }
+ else
+ {
+ // Internal branch, flag target
+ dops[(ba[i]-start)>>2].bt=1;
+ if(ba[i]<=start+i*4) {
+ // Backward branch
+ if(dops[i].is_ujump)
+ {
+ // Unconditional branch
+ temp_u=1;
+ temp_gte_u=0;
+ } else {
+ // Conditional branch (not taken case)
+ temp_u=unneeded_reg[i+2];
+ temp_gte_u&=gte_unneeded[i+2];
+ }
+ // Merge in delay slot
+ temp_u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
+ temp_u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
+ temp_u|=1;
+ temp_gte_u|=gte_rt[i+1];
+ temp_gte_u&=~gte_rs[i+1];
+ temp_u|=(1LL<<dops[i].rt1)|(1LL<<dops[i].rt2);
+ temp_u&=~((1LL<<dops[i].rs1)|(1LL<<dops[i].rs2));
+ temp_u|=1;
+ temp_gte_u|=gte_rt[i];
+ temp_gte_u&=~gte_rs[i];
+ unneeded_reg[i]=temp_u;
+ gte_unneeded[i]=temp_gte_u;
+ // Only go three levels deep. This recursion can take an
+ // excessive amount of time if there are a lot of nested loops.
+ if(r<2) {
+ pass2_unneeded_regs((ba[i]-start)>>2,i-1,r+1);
+ }else{
+ unneeded_reg[(ba[i]-start)>>2]=1;
+ gte_unneeded[(ba[i]-start)>>2]=gte_u_unknown;
+ }
+ } /*else*/ if(1) {
+ if (dops[i].is_ujump)
+ {
+ // Unconditional branch
+ u=unneeded_reg[(ba[i]-start)>>2];
+ gte_u=gte_unneeded[(ba[i]-start)>>2];
+ branch_unneeded_reg[i]=u;
+ // Merge in delay slot
+ u|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
+ u&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
+ u|=1;
+ gte_u|=gte_rt[i+1];
+ gte_u&=~gte_rs[i+1];
+ } else {
+ // Conditional branch
+ b=unneeded_reg[(ba[i]-start)>>2];
+ gte_b=gte_unneeded[(ba[i]-start)>>2];
+ branch_unneeded_reg[i]=b;
+ // Branch delay slot
+ b|=(1LL<<dops[i+1].rt1)|(1LL<<dops[i+1].rt2);
+ b&=~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
+ b|=1;
+ gte_b|=gte_rt[i+1];
+ gte_b&=~gte_rs[i+1];
+ u&=b;
+ gte_u&=gte_b;
+ if(i<slen-1) {
+ branch_unneeded_reg[i]&=unneeded_reg[i+2];
+ } else {
+ branch_unneeded_reg[i]=1;
+ }
+ }
+ }
+ }
+ }
+ else if(dops[i].itype==SYSCALL||dops[i].itype==HLECALL||dops[i].itype==INTCALL)
+ {
+ // SYSCALL instruction (software interrupt)
+ u=1;
+ }
+ else if(dops[i].itype==COP0 && (source[i]&0x3f)==0x18)
+ {
+ // ERET instruction (return from interrupt)
+ u=1;
+ }
+ //u=1; // DEBUG
+ // Written registers are unneeded
+ u|=1LL<<dops[i].rt1;
+ u|=1LL<<dops[i].rt2;
+ gte_u|=gte_rt[i];
+ // Accessed registers are needed
+ u&=~(1LL<<dops[i].rs1);
+ u&=~(1LL<<dops[i].rs2);
+ gte_u&=~gte_rs[i];
+ if(gte_rs[i]&&dops[i].rt1&&(unneeded_reg[i+1]&(1ll<<dops[i].rt1)))
+ gte_u|=gte_rs[i]>e_unneeded[i+1]; // MFC2/CFC2 to dead register, unneeded
+ // Source-target dependencies
+ // R0 is always unneeded
+ u|=1;
+ // Save it
+ unneeded_reg[i]=u;
+ gte_unneeded[i]=gte_u;
+ /*
+ printf("ur (%d,%d) %x: ",istart,iend,start+i*4);
+ printf("U:");
+ int r;
+ for(r=1;r<=CCREG;r++) {
+ if((unneeded_reg[i]>>r)&1) {
+ if(r==HIREG) printf(" HI");
+ else if(r==LOREG) printf(" LO");
+ else printf(" r%d",r);
+ }
+ }
+ printf("\n");
+ */
}
- assert(slen>0);
-
- apply_hacks();
-
- /* Pass 2 - Register dependencies and branch targets */
-
- unneeded_registers(0,slen-1,0);
-
- /* Pass 3 - Register allocation */
+}
+static noinline void pass3_register_alloc(u_int addr)
+{
struct regstat current; // Current register allocations/status
- current.dirty=0;
- current.u=unneeded_reg[0];
+ clear_all_regs(current.regmap_entry);
clear_all_regs(current.regmap);
- alloc_reg(¤t,0,CCREG);
- dirty_reg(¤t,CCREG);
- current.isconst=0;
- current.wasconst=0;
- current.waswritten=0;
+ current.wasdirty = current.dirty = 0;
+ current.u = unneeded_reg[0];
+ alloc_reg(¤t, 0, CCREG);
+ dirty_reg(¤t, CCREG);
+ current.wasconst = 0;
+ current.isconst = 0;
+ current.loadedconst = 0;
+ current.waswritten = 0;
int ds=0;
int cc=0;
- int hr=-1;
+ int hr;
+ int i, j;
- if((u_int)addr&1) {
+ if (addr & 1) {
// First instruction is delay slot
cc=-1;
dops[1].bt=1;
{
if(dops[i].bt)
{
- int hr;
for(hr=0;hr<HOST_REGS;hr++)
{
// Is this really necessary?
memcpy(regmap_pre[i],current.regmap,sizeof(current.regmap));
regs[i].wasconst=current.isconst;
regs[i].wasdirty=current.dirty;
+ regs[i].dirty=0;
+ regs[i].u=0;
+ regs[i].isconst=0;
regs[i].loadedconst=0;
if (!dops[i].is_jump) {
if(i+1<slen) {
current.u=branch_unneeded_reg[i]&~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
current.u&=~((1LL<<dops[i].rs1)|(1LL<<dops[i].rs2));
current.u|=1;
- } else { SysPrintf("oops, branch at end of block with no delay slot\n");abort(); }
+ } else {
+ SysPrintf("oops, branch at end of block with no delay slot @%08x\n", start + i*4);
+ abort();
+ }
}
dops[i].is_ds=ds;
if(ds) {
if(r!=regmap_pre[i][hr]) {
// TODO: delay slot (?)
or=get_reg(regmap_pre[i],r); // Get old mapping for this register
- if(or<0||(r&63)>=TEMPREG){
+ if(or<0||r>=TEMPREG){
regs[i].regmap_entry[hr]=-1;
}
else
// Just move it to a different register
regs[i].regmap_entry[hr]=r;
// If it was dirty before, it's still dirty
- if((regs[i].wasdirty>>or)&1) dirty_reg(¤t,r&63);
+ if((regs[i].wasdirty>>or)&1) dirty_reg(¤t,r);
}
}
else
if(current.regmap[HOST_BTREG]==BTREG) current.regmap[HOST_BTREG]=-1;
regs[i].waswritten=current.waswritten;
}
+}
- /* Pass 4 - Cull unused host registers */
-
- uint64_t nr=0;
+static noinline void pass4_cull_unused_regs(void)
+{
+ u_int last_needed_regs[4] = {0,0,0,0};
+ u_int nr=0;
+ int i;
for (i=slen-1;i>=0;i--)
{
int hr;
+ __builtin_prefetch(regs[i-2].regmap);
if(dops[i].is_jump)
{
if(ba[i]<start || ba[i]>=(start+slen*4))
if (!dops[i].is_ujump)
{
if(i<slen-2) {
- nr|=needed_reg[i+2];
+ nr |= last_needed_regs[(i+2) & 3];
for(hr=0;hr<HOST_REGS;hr++)
{
if(regmap_pre[i+2][hr]>=0&&get_reg(regs[i+2].regmap_entry,regmap_pre[i+2][hr])<0) nr&=~(1<<hr);
//if(regs[i].regmap[hr]!=regmap_pre[i][hr]) nr&=~(1<<hr);
//if(regs[i].regmap[hr]<0) nr&=~(1<<hr);
// Merge in delay slot
- for(hr=0;hr<HOST_REGS;hr++)
- {
- if(dops[i+1].rt1&&dops[i+1].rt1==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
- if(dops[i+1].rt2&&dops[i+1].rt2==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
- if(dops[i+1].rs1==regmap_pre[i][hr]) nr|=1<<hr;
- if(dops[i+1].rs2==regmap_pre[i][hr]) nr|=1<<hr;
- if(dops[i+1].rs1==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(dops[i+1].rs2==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(ram_offset && (dops[i+1].is_load || dops[i+1].is_store)) {
- if(regmap_pre[i][hr]==ROREG) nr|=1<<hr;
- if(regs[i].regmap_entry[hr]==ROREG) nr|=1<<hr;
- }
- if(dops[i+1].is_store) {
- if(regmap_pre[i][hr]==INVCP) nr|=1<<hr;
- if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr;
- }
+ if (dops[i+1].rt1) nr &= ~get_regm(regs[i].regmap, dops[i+1].rt1);
+ if (dops[i+1].rt2) nr &= ~get_regm(regs[i].regmap, dops[i+1].rt2);
+ nr |= get_regm(regmap_pre[i], dops[i+1].rs1);
+ nr |= get_regm(regmap_pre[i], dops[i+1].rs2);
+ nr |= get_regm(regs[i].regmap_entry, dops[i+1].rs1);
+ nr |= get_regm(regs[i].regmap_entry, dops[i+1].rs2);
+ if (ram_offset && (dops[i+1].is_load || dops[i+1].is_store)) {
+ nr |= get_regm(regmap_pre[i], ROREG);
+ nr |= get_regm(regs[i].regmap_entry, ROREG);
+ }
+ if (dops[i+1].is_store) {
+ nr |= get_regm(regmap_pre[i], INVCP);
+ nr |= get_regm(regs[i].regmap_entry, INVCP);
}
}
else if(dops[i].itype==SYSCALL||dops[i].itype==HLECALL||dops[i].itype==INTCALL)
}
}
}
+ // Overwritten registers are not needed
+ if (dops[i].rt1) nr &= ~get_regm(regs[i].regmap, dops[i].rt1);
+ if (dops[i].rt2) nr &= ~get_regm(regs[i].regmap, dops[i].rt2);
+ nr &= ~get_regm(regs[i].regmap, FTEMP);
+ // Source registers are needed
+ nr |= get_regm(regmap_pre[i], dops[i].rs1);
+ nr |= get_regm(regmap_pre[i], dops[i].rs2);
+ nr |= get_regm(regs[i].regmap_entry, dops[i].rs1);
+ nr |= get_regm(regs[i].regmap_entry, dops[i].rs2);
+ if (ram_offset && (dops[i].is_load || dops[i].is_store)) {
+ nr |= get_regm(regmap_pre[i], ROREG);
+ nr |= get_regm(regs[i].regmap_entry, ROREG);
+ }
+ if (dops[i].is_store) {
+ nr |= get_regm(regmap_pre[i], INVCP);
+ nr |= get_regm(regs[i].regmap_entry, INVCP);
+ }
+
+ if (i > 0 && !dops[i].bt && regs[i].wasdirty)
for(hr=0;hr<HOST_REGS;hr++)
{
- // Overwritten registers are not needed
- if(dops[i].rt1&&dops[i].rt1==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
- if(dops[i].rt2&&dops[i].rt2==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
- if(FTEMP==(regs[i].regmap[hr]&63)) nr&=~(1<<hr);
- // Source registers are needed
- if(dops[i].rs1==regmap_pre[i][hr]) nr|=1<<hr;
- if(dops[i].rs2==regmap_pre[i][hr]) nr|=1<<hr;
- if(dops[i].rs1==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(dops[i].rs2==regs[i].regmap_entry[hr]) nr|=1<<hr;
- if(ram_offset && (dops[i].is_load || dops[i].is_store)) {
- if(regmap_pre[i][hr]==ROREG) nr|=1<<hr;
- if(regs[i].regmap_entry[hr]==ROREG) nr|=1<<hr;
- }
- if(dops[i].is_store) {
- if(regmap_pre[i][hr]==INVCP) nr|=1<<hr;
- if(regs[i].regmap_entry[hr]==INVCP) nr|=1<<hr;
- }
// Don't store a register immediately after writing it,
// may prevent dual-issue.
// But do so if this is a branch target, otherwise we
// might have to load the register before the branch.
- if(i>0&&!dops[i].bt&&((regs[i].wasdirty>>hr)&1)) {
+ if((regs[i].wasdirty>>hr)&1) {
if((regmap_pre[i][hr]>0&&!((unneeded_reg[i]>>regmap_pre[i][hr])&1))) {
- if(dops[i-1].rt1==(regmap_pre[i][hr]&63)) nr|=1<<hr;
- if(dops[i-1].rt2==(regmap_pre[i][hr]&63)) nr|=1<<hr;
+ if(dops[i-1].rt1==regmap_pre[i][hr]) nr|=1<<hr;
+ if(dops[i-1].rt2==regmap_pre[i][hr]) nr|=1<<hr;
}
if((regs[i].regmap_entry[hr]>0&&!((unneeded_reg[i]>>regs[i].regmap_entry[hr])&1))) {
- if(dops[i-1].rt1==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
- if(dops[i-1].rt2==(regs[i].regmap_entry[hr]&63)) nr|=1<<hr;
+ if(dops[i-1].rt1==regs[i].regmap_entry[hr]) nr|=1<<hr;
+ if(dops[i-1].rt2==regs[i].regmap_entry[hr]) nr|=1<<hr;
}
}
}
if(regs[i].regmap_entry[HOST_CCREG]==CCREG) nr|=1<<HOST_CCREG;
}
// Save it
- needed_reg[i]=nr;
+ last_needed_regs[i & 3] = nr;
// Deallocate unneeded registers
for(hr=0;hr<HOST_REGS;hr++)
map2 = INVCP;
if(dops[i+1].itype==LOADLR || dops[i+1].itype==STORELR || dops[i+1].itype==C2LS)
temp = FTEMP;
- if((regs[i].regmap[hr]&63)!=dops[i].rs1 && (regs[i].regmap[hr]&63)!=dops[i].rs2 &&
- (regs[i].regmap[hr]&63)!=dops[i].rt1 && (regs[i].regmap[hr]&63)!=dops[i].rt2 &&
- (regs[i].regmap[hr]&63)!=dops[i+1].rt1 && (regs[i].regmap[hr]&63)!=dops[i+1].rt2 &&
+ if(regs[i].regmap[hr]!=dops[i].rs1 && regs[i].regmap[hr]!=dops[i].rs2 &&
+ regs[i].regmap[hr]!=dops[i].rt1 && regs[i].regmap[hr]!=dops[i].rt2 &&
+ regs[i].regmap[hr]!=dops[i+1].rt1 && regs[i].regmap[hr]!=dops[i+1].rt2 &&
regs[i].regmap[hr]!=dops[i+1].rs1 && regs[i].regmap[hr]!=dops[i+1].rs2 &&
- (regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=PTEMP &&
+ regs[i].regmap[hr]!=temp && regs[i].regmap[hr]!=PTEMP &&
regs[i].regmap[hr]!=RHASH && regs[i].regmap[hr]!=RHTBL &&
regs[i].regmap[hr]!=RTEMP && regs[i].regmap[hr]!=CCREG &&
regs[i].regmap[hr]!=map1 && regs[i].regmap[hr]!=map2)
{
regs[i].regmap[hr]=-1;
regs[i].isconst&=~(1<<hr);
- if((branch_regs[i].regmap[hr]&63)!=dops[i].rs1 && (branch_regs[i].regmap[hr]&63)!=dops[i].rs2 &&
- (branch_regs[i].regmap[hr]&63)!=dops[i].rt1 && (branch_regs[i].regmap[hr]&63)!=dops[i].rt2 &&
- (branch_regs[i].regmap[hr]&63)!=dops[i+1].rt1 && (branch_regs[i].regmap[hr]&63)!=dops[i+1].rt2 &&
+ regs[i].dirty&=~(1<<hr);
+ regs[i+1].wasdirty&=~(1<<hr);
+ if(branch_regs[i].regmap[hr]!=dops[i].rs1 && branch_regs[i].regmap[hr]!=dops[i].rs2 &&
+ branch_regs[i].regmap[hr]!=dops[i].rt1 && branch_regs[i].regmap[hr]!=dops[i].rt2 &&
+ branch_regs[i].regmap[hr]!=dops[i+1].rt1 && branch_regs[i].regmap[hr]!=dops[i+1].rt2 &&
branch_regs[i].regmap[hr]!=dops[i+1].rs1 && branch_regs[i].regmap[hr]!=dops[i+1].rs2 &&
- (branch_regs[i].regmap[hr]&63)!=temp && branch_regs[i].regmap[hr]!=PTEMP &&
+ branch_regs[i].regmap[hr]!=temp && branch_regs[i].regmap[hr]!=PTEMP &&
branch_regs[i].regmap[hr]!=RHASH && branch_regs[i].regmap[hr]!=RHTBL &&
branch_regs[i].regmap[hr]!=RTEMP && branch_regs[i].regmap[hr]!=CCREG &&
branch_regs[i].regmap[hr]!=map1 && branch_regs[i].regmap[hr]!=map2)
map2 = INVCP;
if (dops[i].itype==LOADLR || dops[i].itype==STORELR || dops[i].itype==C2LS)
temp = FTEMP;
- if((regs[i].regmap[hr]&63)!=dops[i].rt1 && (regs[i].regmap[hr]&63)!=dops[i].rt2 &&
+ if(regs[i].regmap[hr]!=dops[i].rt1 && regs[i].regmap[hr]!=dops[i].rt2 &&
regs[i].regmap[hr]!=dops[i].rs1 && regs[i].regmap[hr]!=dops[i].rs2 &&
- (regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=map1 && regs[i].regmap[hr]!=map2 &&
+ regs[i].regmap[hr]!=temp && regs[i].regmap[hr]!=map1 && regs[i].regmap[hr]!=map2 &&
//(dops[i].itype!=SPAN||regs[i].regmap[hr]!=CCREG)
regs[i].regmap[hr] != CCREG)
{
}
regs[i].regmap[hr]=-1;
regs[i].isconst&=~(1<<hr);
+ regs[i].dirty&=~(1<<hr);
+ regs[i+1].wasdirty&=~(1<<hr);
}
}
}
} // if needed
} // for hr
}
+}
- /* Pass 5 - Pre-allocate registers */
-
- // If a register is allocated during a loop, try to allocate it for the
- // entire loop, if possible. This avoids loading/storing registers
- // inside of the loop.
-
+// If a register is allocated during a loop, try to allocate it for the
+// entire loop, if possible. This avoids loading/storing registers
+// inside of the loop.
+static noinline void pass5a_preallocate1(void)
+{
+ int i, j, hr;
signed char f_regmap[HOST_REGS];
clear_all_regs(f_regmap);
for(i=0;i<slen-1;i++)
//printf("Test %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r);
if(r<34&&((unneeded_reg[j]>>r)&1)) break;
assert(r < 64);
- if(regs[j].regmap[hr]==f_regmap[hr]&&(f_regmap[hr]&63)<TEMPREG) {
+ if(regs[j].regmap[hr]==f_regmap[hr]&&f_regmap[hr]<TEMPREG) {
//printf("Hit %x -> %x, %x %d/%d\n",start+i*4,ba[i],start+j*4,hr,r);
int k;
if(regs[i].regmap[hr]==-1&&branch_regs[i].regmap[hr]==-1) {
+ if(get_reg(regs[i].regmap,f_regmap[hr])>=0) break;
if(get_reg(regs[i+2].regmap,f_regmap[hr])>=0) break;
- if(r>63) {
- if(get_reg(regs[i].regmap,r&63)<0) break;
- if(get_reg(branch_regs[i].regmap,r&63)<0) break;
- }
k=i;
while(k>1&®s[k-1].regmap[hr]==-1) {
if(count_free_regs(regs[k-1].regmap)<=minimum_free_regs[k-1]) {
if(k>2&&(dops[k-3].itype==UJUMP||dops[k-3].itype==RJUMP)&&dops[k-3].rt1==31) {
break;
}
- assert(r < 64);
k--;
}
if(regs[k-1].regmap[hr]==f_regmap[hr]&®map_pre[k][hr]==f_regmap[hr]) {
}
}
}
+}
- // This allocates registers (if possible) one instruction prior
- // to use, which can avoid a load-use penalty on certain CPUs.
+// This allocates registers (if possible) one instruction prior
+// to use, which can avoid a load-use penalty on certain CPUs.
+static noinline void pass5b_preallocate2(void)
+{
+ int i, hr;
for(i=0;i<slen-1;i++)
{
if (!i || !dops[i-1].is_jump)
}
}
// Load source into target register
- if(dops[i+1].lt1&&get_reg(regs[i+1].regmap,dops[i+1].rs1)<0) {
+ if(dops[i+1].use_lt1&&get_reg(regs[i+1].regmap,dops[i+1].rs1)<0) {
if((hr=get_reg(regs[i+1].regmap,dops[i+1].rt1))>=0)
{
if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0)
||(dops[i+1].opcode&0x3b)==0x39||(dops[i+1].opcode&0x3b)==0x3a) { // SB/SH/SW/SD/SWC1/SDC1/SWC2/SDC2
if(get_reg(regs[i+1].regmap,dops[i+1].rs1)<0) {
hr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1);
- if(hr<0) hr=get_reg(regs[i+1].regmap,-1);
- else {regs[i+1].regmap[hr]=AGEN1+((i+1)&1);regs[i+1].isconst&=~(1<<hr);}
+ if(hr<0) hr=get_reg_temp(regs[i+1].regmap);
+ else {
+ regs[i+1].regmap[hr]=AGEN1+((i+1)&1);
+ regs[i+1].isconst&=~(1<<hr);
+ }
assert(hr>=0);
if(regs[i].regmap[hr]<0&®s[i+1].regmap_entry[hr]<0)
{
}
}
if(dops[i+1].itype==LOAD||dops[i+1].itype==LOADLR||dops[i+1].itype==STORE||dops[i+1].itype==STORELR/*||dops[i+1].itype==C1LS||||dops[i+1].itype==C2LS*/) {
+ hr = -1;
if(dops[i+1].itype==LOAD)
hr=get_reg(regs[i+1].regmap,dops[i+1].rt1);
if(dops[i+1].itype==LOADLR||(dops[i+1].opcode&0x3b)==0x31||(dops[i+1].opcode&0x3b)==0x32) // LWC1/LDC1, LWC2/LDC2
hr=get_reg(regs[i+1].regmap,FTEMP);
if(dops[i+1].itype==STORE||dops[i+1].itype==STORELR||(dops[i+1].opcode&0x3b)==0x39||(dops[i+1].opcode&0x3b)==0x3a) { // SWC1/SDC1/SWC2/SDC2
hr=get_reg(regs[i+1].regmap,AGEN1+((i+1)&1));
- if(hr<0) hr=get_reg(regs[i+1].regmap,-1);
+ if(hr<0) hr=get_reg_temp(regs[i+1].regmap);
}
if(hr>=0&®s[i].regmap[hr]<0) {
int rs=get_reg(regs[i+1].regmap,dops[i+1].rs1);
}
}
}
+}
+
+// Write back dirty registers as soon as we will no longer modify them,
+// so that we don't end up with lots of writes at the branches.
+static noinline void pass6_clean_registers(int istart, int iend, int wr)
+{
+ static u_int wont_dirty[MAXBLOCK];
+ static u_int will_dirty[MAXBLOCK];
+ int i;
+ int r;
+ u_int will_dirty_i,will_dirty_next,temp_will_dirty;
+ u_int wont_dirty_i,wont_dirty_next,temp_wont_dirty;
+ if(iend==slen-1) {
+ will_dirty_i=will_dirty_next=0;
+ wont_dirty_i=wont_dirty_next=0;
+ }else{
+ will_dirty_i=will_dirty_next=will_dirty[iend+1];
+ wont_dirty_i=wont_dirty_next=wont_dirty[iend+1];
+ }
+ for (i=iend;i>=istart;i--)
+ {
+ signed char rregmap_i[RRMAP_SIZE];
+ u_int hr_candirty = 0;
+ assert(HOST_REGS < 32);
+ make_rregs(regs[i].regmap, rregmap_i, &hr_candirty);
+ __builtin_prefetch(regs[i-1].regmap);
+ if(dops[i].is_jump)
+ {
+ signed char branch_rregmap_i[RRMAP_SIZE];
+ u_int branch_hr_candirty = 0;
+ make_rregs(branch_regs[i].regmap, branch_rregmap_i, &branch_hr_candirty);
+ if(ba[i]<start || ba[i]>=(start+slen*4))
+ {
+ // Branch out of this block, flush all regs
+ will_dirty_i = 0;
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ will_dirty_i &= branch_hr_candirty;
+ if (dops[i].is_ujump)
+ {
+ // Unconditional branch
+ wont_dirty_i = 0;
+ // Merge in delay slot (will dirty)
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ will_dirty_i &= hr_candirty;
+ }
+ else
+ {
+ // Conditional branch
+ wont_dirty_i = wont_dirty_next;
+ // Merge in delay slot (will dirty)
+ // (the original code had no explanation why these 2 are commented out)
+ //will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ //will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ will_dirty_i &= hr_candirty;
+ }
+ // Merge in delay slot (wont dirty)
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ wont_dirty_i &= ~(1u << 31);
+ if(wr) {
+ #ifndef DESTRUCTIVE_WRITEBACK
+ branch_regs[i].dirty&=wont_dirty_i;
+ #endif
+ branch_regs[i].dirty|=will_dirty_i;
+ }
+ }
+ else
+ {
+ // Internal branch
+ if(ba[i]<=start+i*4) {
+ // Backward branch
+ if (dops[i].is_ujump)
+ {
+ // Unconditional branch
+ temp_will_dirty=0;
+ temp_wont_dirty=0;
+ // Merge in delay slot (will dirty)
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ temp_will_dirty &= branch_hr_candirty;
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ temp_will_dirty &= hr_candirty;
+ } else {
+ // Conditional branch (not taken case)
+ temp_will_dirty=will_dirty_next;
+ temp_wont_dirty=wont_dirty_next;
+ // Merge in delay slot (will dirty)
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ temp_will_dirty &= branch_hr_candirty;
+ //temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ //temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ temp_will_dirty |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ temp_will_dirty &= hr_candirty;
+ }
+ // Merge in delay slot (wont dirty)
+ temp_wont_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ temp_wont_dirty |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ temp_wont_dirty &= ~(1u << 31);
+ // Deal with changed mappings
+ if(i<iend) {
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ if(regs[i].regmap[r]!=regmap_pre[i][r]) {
+ temp_will_dirty&=~(1<<r);
+ temp_wont_dirty&=~(1<<r);
+ if(regmap_pre[i][r]>0 && regmap_pre[i][r]<34) {
+ temp_will_dirty|=((unneeded_reg[i]>>regmap_pre[i][r])&1)<<r;
+ temp_wont_dirty|=((unneeded_reg[i]>>regmap_pre[i][r])&1)<<r;
+ } else {
+ temp_will_dirty|=1<<r;
+ temp_wont_dirty|=1<<r;
+ }
+ }
+ }
+ }
+ }
+ if(wr) {
+ will_dirty[i]=temp_will_dirty;
+ wont_dirty[i]=temp_wont_dirty;
+ pass6_clean_registers((ba[i]-start)>>2,i-1,0);
+ }else{
+ // Limit recursion. It can take an excessive amount
+ // of time if there are a lot of nested loops.
+ will_dirty[(ba[i]-start)>>2]=0;
+ wont_dirty[(ba[i]-start)>>2]=-1;
+ }
+ }
+ /*else*/ if(1)
+ {
+ if (dops[i].is_ujump)
+ {
+ // Unconditional branch
+ will_dirty_i=0;
+ wont_dirty_i=0;
+ //if(ba[i]>start+i*4) { // Disable recursion (for debugging)
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ if(branch_regs[i].regmap[r]==regs[(ba[i]-start)>>2].regmap_entry[r]) {
+ will_dirty_i|=will_dirty[(ba[i]-start)>>2]&(1<<r);
+ wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
+ }
+ if(branch_regs[i].regmap[r]>=0) {
+ will_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>branch_regs[i].regmap[r])&1)<<r;
+ wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>branch_regs[i].regmap[r])&1)<<r;
+ }
+ }
+ }
+ //}
+ // Merge in delay slot
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ will_dirty_i &= branch_hr_candirty;
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ will_dirty_i &= hr_candirty;
+ } else {
+ // Conditional branch
+ will_dirty_i=will_dirty_next;
+ wont_dirty_i=wont_dirty_next;
+ //if(ba[i]>start+i*4) // Disable recursion (for debugging)
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ signed char target_reg=branch_regs[i].regmap[r];
+ if(target_reg==regs[(ba[i]-start)>>2].regmap_entry[r]) {
+ will_dirty_i&=will_dirty[(ba[i]-start)>>2]&(1<<r);
+ wont_dirty_i|=wont_dirty[(ba[i]-start)>>2]&(1<<r);
+ }
+ else if(target_reg>=0) {
+ will_dirty_i&=((unneeded_reg[(ba[i]-start)>>2]>>target_reg)&1)<<r;
+ wont_dirty_i|=((unneeded_reg[(ba[i]-start)>>2]>>target_reg)&1)<<r;
+ }
+ }
+ }
+ // Merge in delay slot
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ will_dirty_i &= branch_hr_candirty;
+ //will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ //will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ will_dirty_i &= hr_candirty;
+ }
+ // Merge in delay slot (won't dirty)
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i+1].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, dops[i+1].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(branch_rregmap_i, CCREG) & 31);
+ wont_dirty_i &= ~(1u << 31);
+ if(wr) {
+ #ifndef DESTRUCTIVE_WRITEBACK
+ branch_regs[i].dirty&=wont_dirty_i;
+ #endif
+ branch_regs[i].dirty|=will_dirty_i;
+ }
+ }
+ }
+ }
+ else if(dops[i].itype==SYSCALL||dops[i].itype==HLECALL||dops[i].itype==INTCALL)
+ {
+ // SYSCALL instruction (software interrupt)
+ will_dirty_i=0;
+ wont_dirty_i=0;
+ }
+ else if(dops[i].itype==COP0 && (source[i]&0x3f)==0x18)
+ {
+ // ERET instruction (return from interrupt)
+ will_dirty_i=0;
+ wont_dirty_i=0;
+ }
+ will_dirty_next=will_dirty_i;
+ wont_dirty_next=wont_dirty_i;
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ will_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ will_dirty_i &= hr_candirty;
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i].rt2) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, CCREG) & 31);
+ wont_dirty_i &= ~(1u << 31);
+ if (i > istart && !dops[i].is_jump) {
+ // Don't store a register immediately after writing it,
+ // may prevent dual-issue.
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i-1].rt1) & 31);
+ wont_dirty_i |= 1u << (get_rreg(rregmap_i, dops[i-1].rt2) & 31);
+ }
+ // Save it
+ will_dirty[i]=will_dirty_i;
+ wont_dirty[i]=wont_dirty_i;
+ // Mark registers that won't be dirtied as not dirty
+ if(wr) {
+ regs[i].dirty|=will_dirty_i;
+ #ifndef DESTRUCTIVE_WRITEBACK
+ regs[i].dirty&=wont_dirty_i;
+ if(dops[i].is_jump)
+ {
+ if (i < iend-1 && !dops[i].is_ujump) {
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ if(regs[i].regmap[r]==regmap_pre[i+2][r]) {
+ regs[i+2].wasdirty&=wont_dirty_i|~(1<<r);
+ }else {/*printf("i: %x (%d) mismatch(+2): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
+ }
+ }
+ }
+ }
+ else
+ {
+ if(i<iend) {
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ if(regs[i].regmap[r]==regmap_pre[i+1][r]) {
+ regs[i+1].wasdirty&=wont_dirty_i|~(1<<r);
+ }else {/*printf("i: %x (%d) mismatch(+1): %d\n",start+i*4,i,r);assert(!((wont_dirty_i>>r)&1));*/}
+ }
+ }
+ }
+ }
+ #endif
+ }
+ // Deal with changed mappings
+ temp_will_dirty=will_dirty_i;
+ temp_wont_dirty=wont_dirty_i;
+ for(r=0;r<HOST_REGS;r++) {
+ if(r!=EXCLUDE_REG) {
+ int nr;
+ if(regs[i].regmap[r]==regmap_pre[i][r]) {
+ if(wr) {
+ #ifndef DESTRUCTIVE_WRITEBACK
+ regs[i].wasdirty&=wont_dirty_i|~(1<<r);
+ #endif
+ regs[i].wasdirty|=will_dirty_i&(1<<r);
+ }
+ }
+ else if(regmap_pre[i][r]>=0&&(nr=get_rreg(rregmap_i,regmap_pre[i][r]))>=0) {
+ // Register moved to a different register
+ will_dirty_i&=~(1<<r);
+ wont_dirty_i&=~(1<<r);
+ will_dirty_i|=((temp_will_dirty>>nr)&1)<<r;
+ wont_dirty_i|=((temp_wont_dirty>>nr)&1)<<r;
+ if(wr) {
+ #ifndef DESTRUCTIVE_WRITEBACK
+ regs[i].wasdirty&=wont_dirty_i|~(1<<r);
+ #endif
+ regs[i].wasdirty|=will_dirty_i&(1<<r);
+ }
+ }
+ else {
+ will_dirty_i&=~(1<<r);
+ wont_dirty_i&=~(1<<r);
+ if(regmap_pre[i][r]>0 && regmap_pre[i][r]<34) {
+ will_dirty_i|=((unneeded_reg[i]>>regmap_pre[i][r])&1)<<r;
+ wont_dirty_i|=((unneeded_reg[i]>>regmap_pre[i][r])&1)<<r;
+ } else {
+ wont_dirty_i|=1<<r;
+ /*printf("i: %x (%d) mismatch: %d\n",start+i*4,i,r);assert(!((will_dirty>>r)&1));*/
+ }
+ }
+ }
+ }
+ }
+}
+
+static noinline void pass10_expire_blocks(void)
+{
+ int i, end;
+ end = (((out-ndrc->translation_cache)>>(TARGET_SIZE_2-16)) + 16384) & 65535;
+ while (expirep != end)
+ {
+ int shift=TARGET_SIZE_2-3; // Divide into 8 blocks
+ uintptr_t base_offs = ((uintptr_t)(expirep >> 13) << shift); // Base offset of this block
+ uintptr_t base_offs_s = base_offs >> shift;
+ inv_debug("EXP: Phase %d\n",expirep);
+ switch((expirep>>11)&3)
+ {
+ case 0:
+ // Clear jump_in and jump_dirty
+ ll_remove_matching_addrs(jump_in+(expirep&2047),base_offs_s,shift);
+ ll_remove_matching_addrs(jump_dirty+(expirep&2047),base_offs_s,shift);
+ ll_remove_matching_addrs(jump_in+2048+(expirep&2047),base_offs_s,shift);
+ ll_remove_matching_addrs(jump_dirty+2048+(expirep&2047),base_offs_s,shift);
+ break;
+ case 1:
+ // Clear pointers
+ ll_kill_pointers(jump_out[expirep&2047],base_offs_s,shift);
+ ll_kill_pointers(jump_out[(expirep&2047)+2048],base_offs_s,shift);
+ break;
+ case 2:
+ // Clear hash table
+ for(i=0;i<32;i++) {
+ struct ht_entry *ht_bin = &hash_table[((expirep&2047)<<5)+i];
+ uintptr_t o1 = (u_char *)ht_bin->tcaddr[1] - ndrc->translation_cache;
+ uintptr_t o2 = o1 - MAX_OUTPUT_BLOCK_SIZE;
+ if ((o1 >> shift) == base_offs_s || (o2 >> shift) == base_offs_s) {
+ inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[1],ht_bin->tcaddr[1]);
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
+ }
+ o1 = (u_char *)ht_bin->tcaddr[0] - ndrc->translation_cache;
+ o2 = o1 - MAX_OUTPUT_BLOCK_SIZE;
+ if ((o1 >> shift) == base_offs_s || (o2 >> shift) == base_offs_s) {
+ inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[0],ht_bin->tcaddr[0]);
+ ht_bin->vaddr[0] = ht_bin->vaddr[1];
+ ht_bin->tcaddr[0] = ht_bin->tcaddr[1];
+ ht_bin->vaddr[1] = -1;
+ ht_bin->tcaddr[1] = NULL;
+ }
+ }
+ break;
+ case 3:
+ // Clear jump_out
+ if((expirep&2047)==0)
+ do_clear_cache();
+ ll_remove_matching_addrs(jump_out+(expirep&2047),base_offs_s,shift);
+ ll_remove_matching_addrs(jump_out+2048+(expirep&2047),base_offs_s,shift);
+ break;
+ }
+ expirep=(expirep+1)&65535;
+ }
+}
+
+int new_recompile_block(u_int addr)
+{
+ u_int pagelimit = 0;
+ u_int state_rflags = 0;
+ int i;
+
+ assem_debug("NOTCOMPILED: addr = %x -> %p\n", addr, out);
+
+ // this is just for speculation
+ for (i = 1; i < 32; i++) {
+ if ((psxRegs.GPR.r[i] & 0xffff0000) == 0x1f800000)
+ state_rflags |= 1 << i;
+ }
+
+ start = (u_int)addr&~3;
+ //assert(((u_int)addr&1)==0); // start-in-delay-slot flag
+ new_dynarec_did_compile=1;
+ if (Config.HLE && start == 0x80001000) // hlecall
+ {
+ // XXX: is this enough? Maybe check hleSoftCall?
+ void *beginning=start_block();
+ u_int page=get_page(start);
+
+ invalid_code[start>>12]=0;
+ emit_movimm(start,0);
+ emit_writeword(0,&pcaddr);
+ emit_far_jump(new_dyna_leave);
+ literal_pool(0);
+ end_block(beginning);
+ ll_add_flags(jump_in+page,start,state_rflags,(void *)beginning);
+ return 0;
+ }
+ else if (f1_hack && hack_addr == 0) {
+ void *beginning = start_block();
+ u_int page = get_page(start);
+ emit_movimm(start, 0);
+ emit_writeword(0, &hack_addr);
+ emit_readword(&psxRegs.GPR.n.sp, 0);
+ emit_readptr(&mem_rtab, 1);
+ emit_shrimm(0, 12, 2);
+ emit_readptr_dualindexedx_ptrlen(1, 2, 1);
+ emit_addimm(0, 0x18, 0);
+ emit_adds_ptr(1, 1, 1);
+ emit_ldr_dualindexed(1, 0, 0);
+ emit_writeword(0, &psxRegs.GPR.r[26]); // lw k0, 0x18(sp)
+ emit_far_call(get_addr_ht);
+ emit_jmpreg(0); // jr k0
+ literal_pool(0);
+ end_block(beginning);
+
+ ll_add_flags(jump_in + page, start, state_rflags, beginning);
+ SysPrintf("F1 hack to %08x\n", start);
+ return 0;
+ }
+
+ cycle_multiplier_active = cycle_multiplier_override && cycle_multiplier == CYCLE_MULT_DEFAULT
+ ? cycle_multiplier_override : cycle_multiplier;
+
+ source = get_source_start(start, &pagelimit);
+ if (source == NULL) {
+ if (addr != hack_addr) {
+ SysPrintf("Compile at bogus memory address: %08x\n", addr);
+ hack_addr = addr;
+ }
+ //abort();
+ return -1;
+ }
+
+ /* Pass 1: disassemble */
+ /* Pass 2: register dependencies, branch targets */
+ /* Pass 3: register allocation */
+ /* Pass 4: branch dependencies */
+ /* Pass 5: pre-alloc */
+ /* Pass 6: optimize clean/dirty state */
+ /* Pass 7: flag 32-bit registers */
+ /* Pass 8: assembly */
+ /* Pass 9: linker */
+ /* Pass 10: garbage collection / free memory */
+
+ /* Pass 1 disassembly */
+
+ pass1_disassemble(pagelimit);
+
+ int clear_hack_addr = apply_hacks();
+
+ /* Pass 2 - Register dependencies and branch targets */
+
+ pass2_unneeded_regs(0,slen-1,0);
+
+ /* Pass 3 - Register allocation */
+
+ pass3_register_alloc(addr);
+
+ /* Pass 4 - Cull unused host registers */
+
+ pass4_cull_unused_regs();
+
+ /* Pass 5 - Pre-allocate registers */
+
+ pass5a_preallocate1();
+ pass5b_preallocate2();
/* Pass 6 - Optimize clean/dirty state */
- clean_registers(0,slen-1,1);
+ pass6_clean_registers(0, slen-1, 1);
/* Pass 7 - Identify 32-bit registers */
for (i=slen-1;i>=0;i--)
dops[slen-1].bt=1; // Mark as a branch target so instruction can restart after exception
}
-#ifdef DISASM
- /* Debug/disassembly */
- for(i=0;i<slen;i++)
- {
- printf("U:");
- int r;
- for(r=1;r<=CCREG;r++) {
- if((unneeded_reg[i]>>r)&1) {
- if(r==HIREG) printf(" HI");
- else if(r==LOREG) printf(" LO");
- else printf(" r%d",r);
- }
- }
- printf("\n");
- #if defined(__i386__) || defined(__x86_64__)
- 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]);
- #endif
- #ifdef __arm__
- 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]);
- #endif
- #if defined(__i386__) || defined(__x86_64__)
- printf("needs: ");
- if(needed_reg[i]&1) printf("eax ");
- if((needed_reg[i]>>1)&1) printf("ecx ");
- if((needed_reg[i]>>2)&1) printf("edx ");
- if((needed_reg[i]>>3)&1) printf("ebx ");
- if((needed_reg[i]>>5)&1) printf("ebp ");
- if((needed_reg[i]>>6)&1) printf("esi ");
- if((needed_reg[i]>>7)&1) printf("edi ");
- printf("\n");
- 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]);
- printf("dirty: ");
- if(regs[i].wasdirty&1) printf("eax ");
- if((regs[i].wasdirty>>1)&1) printf("ecx ");
- if((regs[i].wasdirty>>2)&1) printf("edx ");
- if((regs[i].wasdirty>>3)&1) printf("ebx ");
- if((regs[i].wasdirty>>5)&1) printf("ebp ");
- if((regs[i].wasdirty>>6)&1) printf("esi ");
- if((regs[i].wasdirty>>7)&1) printf("edi ");
- #endif
- #ifdef __arm__
- 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]);
- printf("dirty: ");
- if(regs[i].wasdirty&1) printf("r0 ");
- if((regs[i].wasdirty>>1)&1) printf("r1 ");
- if((regs[i].wasdirty>>2)&1) printf("r2 ");
- if((regs[i].wasdirty>>3)&1) printf("r3 ");
- if((regs[i].wasdirty>>4)&1) printf("r4 ");
- if((regs[i].wasdirty>>5)&1) printf("r5 ");
- if((regs[i].wasdirty>>6)&1) printf("r6 ");
- if((regs[i].wasdirty>>7)&1) printf("r7 ");
- if((regs[i].wasdirty>>8)&1) printf("r8 ");
- if((regs[i].wasdirty>>9)&1) printf("r9 ");
- if((regs[i].wasdirty>>10)&1) printf("r10 ");
- if((regs[i].wasdirty>>12)&1) printf("r12 ");
- #endif
- printf("\n");
- disassemble_inst(i);
- //printf ("ccadj[%d] = %d\n",i,ccadj[i]);
- #if defined(__i386__) || defined(__x86_64__)
- 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]);
- if(regs[i].dirty&1) printf("eax ");
- if((regs[i].dirty>>1)&1) printf("ecx ");
- if((regs[i].dirty>>2)&1) printf("edx ");
- if((regs[i].dirty>>3)&1) printf("ebx ");
- if((regs[i].dirty>>5)&1) printf("ebp ");
- if((regs[i].dirty>>6)&1) printf("esi ");
- if((regs[i].dirty>>7)&1) printf("edi ");
- #endif
- #ifdef __arm__
- 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]);
- if(regs[i].dirty&1) printf("r0 ");
- if((regs[i].dirty>>1)&1) printf("r1 ");
- if((regs[i].dirty>>2)&1) printf("r2 ");
- if((regs[i].dirty>>3)&1) printf("r3 ");
- if((regs[i].dirty>>4)&1) printf("r4 ");
- if((regs[i].dirty>>5)&1) printf("r5 ");
- if((regs[i].dirty>>6)&1) printf("r6 ");
- if((regs[i].dirty>>7)&1) printf("r7 ");
- if((regs[i].dirty>>8)&1) printf("r8 ");
- if((regs[i].dirty>>9)&1) printf("r9 ");
- if((regs[i].dirty>>10)&1) printf("r10 ");
- if((regs[i].dirty>>12)&1) printf("r12 ");
- #endif
- printf("\n");
- if(regs[i].isconst) {
- printf("constants: ");
- #if defined(__i386__) || defined(__x86_64__)
- if(regs[i].isconst&1) printf("eax=%x ",(u_int)constmap[i][0]);
- if((regs[i].isconst>>1)&1) printf("ecx=%x ",(u_int)constmap[i][1]);
- if((regs[i].isconst>>2)&1) printf("edx=%x ",(u_int)constmap[i][2]);
- if((regs[i].isconst>>3)&1) printf("ebx=%x ",(u_int)constmap[i][3]);
- if((regs[i].isconst>>5)&1) printf("ebp=%x ",(u_int)constmap[i][5]);
- if((regs[i].isconst>>6)&1) printf("esi=%x ",(u_int)constmap[i][6]);
- if((regs[i].isconst>>7)&1) printf("edi=%x ",(u_int)constmap[i][7]);
- #endif
- #if defined(__arm__) || defined(__aarch64__)
- int r;
- for (r = 0; r < ARRAY_SIZE(constmap[i]); r++)
- if ((regs[i].isconst >> r) & 1)
- printf(" r%d=%x", r, (u_int)constmap[i][r]);
- #endif
- printf("\n");
- }
- if(dops[i].is_jump) {
- #if defined(__i386__) || defined(__x86_64__)
- 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]);
- if(branch_regs[i].dirty&1) printf("eax ");
- if((branch_regs[i].dirty>>1)&1) printf("ecx ");
- if((branch_regs[i].dirty>>2)&1) printf("edx ");
- if((branch_regs[i].dirty>>3)&1) printf("ebx ");
- if((branch_regs[i].dirty>>5)&1) printf("ebp ");
- if((branch_regs[i].dirty>>6)&1) printf("esi ");
- if((branch_regs[i].dirty>>7)&1) printf("edi ");
- #endif
- #ifdef __arm__
- 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]);
- if(branch_regs[i].dirty&1) printf("r0 ");
- if((branch_regs[i].dirty>>1)&1) printf("r1 ");
- if((branch_regs[i].dirty>>2)&1) printf("r2 ");
- if((branch_regs[i].dirty>>3)&1) printf("r3 ");
- if((branch_regs[i].dirty>>4)&1) printf("r4 ");
- if((branch_regs[i].dirty>>5)&1) printf("r5 ");
- if((branch_regs[i].dirty>>6)&1) printf("r6 ");
- if((branch_regs[i].dirty>>7)&1) printf("r7 ");
- if((branch_regs[i].dirty>>8)&1) printf("r8 ");
- if((branch_regs[i].dirty>>9)&1) printf("r9 ");
- if((branch_regs[i].dirty>>10)&1) printf("r10 ");
- if((branch_regs[i].dirty>>12)&1) printf("r12 ");
- #endif
- }
- }
-#endif // DISASM
-
/* Pass 8 - Assembly */
linkcount=0;stubcount=0;
- ds=0;is_delayslot=0;
+ is_delayslot=0;
u_int dirty_pre=0;
void *beginning=start_block();
+ int ds = 0;
if((u_int)addr&1) {
ds=1;
pagespan_ds();
}
for(i=0;i<slen;i++)
{
+ __builtin_prefetch(regs[i+1].regmap);
+ check_regmap(regmap_pre[i]);
+ check_regmap(regs[i].regmap_entry);
+ check_regmap(regs[i].regmap);
//if(ds) printf("ds: ");
disassemble_inst(i);
if(ds) {
instr_addr[i] = out;
assem_debug("<->\n");
drc_dbg_emit_do_cmp(i, ccadj[i]);
+ if (clear_hack_addr) {
+ emit_movimm(0, 0);
+ emit_writeword(0, &hack_addr);
+ clear_hack_addr = 0;
+ }
// load regs
if(regs[i].regmap_entry[HOST_CCREG]==CCREG&®s[i].regmap[HOST_CCREG]!=CCREG)
if(dops[i+1].rs2!=dops[i+1].rs1&&dops[i+1].rs2!=dops[i].rs1&&dops[i+1].rs2!=dops[i].rs2&&(dops[i+1].rs2!=dops[i].rt1||dops[i].rt1==0))
load_regs(regs[i].regmap_entry,regs[i].regmap,dops[i+1].rs2,dops[i+1].rs2);
if (ram_offset && (dops[i+1].is_load || dops[i+1].is_store))
- load_regs(regs[i].regmap_entry,regs[i].regmap,ROREG,ROREG);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,ROREG);
if (dops[i+1].is_store)
- load_regs(regs[i].regmap_entry,regs[i].regmap,INVCP,INVCP);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,INVCP);
}
else if(i+1<slen)
{
}
// TODO: if(is_ooo(i)) address_generation(i+1);
if (!dops[i].is_jump || dops[i].itype == CJUMP)
- load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,CCREG);
if (ram_offset && (dops[i].is_load || dops[i].is_store))
- load_regs(regs[i].regmap_entry,regs[i].regmap,ROREG,ROREG);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,ROREG);
if (dops[i].is_store)
- load_regs(regs[i].regmap_entry,regs[i].regmap,INVCP,INVCP);
+ load_reg(regs[i].regmap_entry,regs[i].regmap,INVCP);
ds = assemble(i, ®s[i], ccadj[i]);
out = ndrc->translation_cache;
// Trap writes to any of the pages we compiled
- for(i=start>>12;i<=(start+slen*4)>>12;i++) {
- invalid_code[i]=0;
- }
- inv_code_start=inv_code_end=~0;
-
- // for PCSX we need to mark all mirrors too
- if(get_page(start)<(RAM_SIZE>>12))
- for(i=start>>12;i<=(start+slen*4)>>12;i++)
- invalid_code[((u_int)0x00000000>>12)|(i&0x1ff)]=
- invalid_code[((u_int)0x80000000>>12)|(i&0x1ff)]=
- invalid_code[((u_int)0xa0000000>>12)|(i&0x1ff)]=0;
+ mark_valid_code(start, slen*4);
/* Pass 10 - Free memory by expiring oldest blocks */
- int end=(((out-ndrc->translation_cache)>>(TARGET_SIZE_2-16))+16384)&65535;
- while(expirep!=end)
- {
- int shift=TARGET_SIZE_2-3; // Divide into 8 blocks
- uintptr_t base_offs = ((uintptr_t)(expirep >> 13) << shift); // Base offset of this block
- uintptr_t base_offs_s = base_offs >> shift;
- inv_debug("EXP: Phase %d\n",expirep);
- switch((expirep>>11)&3)
- {
- case 0:
- // Clear jump_in and jump_dirty
- ll_remove_matching_addrs(jump_in+(expirep&2047),base_offs_s,shift);
- ll_remove_matching_addrs(jump_dirty+(expirep&2047),base_offs_s,shift);
- ll_remove_matching_addrs(jump_in+2048+(expirep&2047),base_offs_s,shift);
- ll_remove_matching_addrs(jump_dirty+2048+(expirep&2047),base_offs_s,shift);
- break;
- case 1:
- // Clear pointers
- ll_kill_pointers(jump_out[expirep&2047],base_offs_s,shift);
- ll_kill_pointers(jump_out[(expirep&2047)+2048],base_offs_s,shift);
- break;
- case 2:
- // Clear hash table
- for(i=0;i<32;i++) {
- struct ht_entry *ht_bin = &hash_table[((expirep&2047)<<5)+i];
- uintptr_t o1 = (u_char *)ht_bin->tcaddr[1] - ndrc->translation_cache;
- uintptr_t o2 = o1 - MAX_OUTPUT_BLOCK_SIZE;
- if ((o1 >> shift) == base_offs_s || (o2 >> shift) == base_offs_s) {
- inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[1],ht_bin->tcaddr[1]);
- ht_bin->vaddr[1] = -1;
- ht_bin->tcaddr[1] = NULL;
- }
- o1 = (u_char *)ht_bin->tcaddr[0] - ndrc->translation_cache;
- o2 = o1 - MAX_OUTPUT_BLOCK_SIZE;
- if ((o1 >> shift) == base_offs_s || (o2 >> shift) == base_offs_s) {
- inv_debug("EXP: Remove hash %x -> %p\n",ht_bin->vaddr[0],ht_bin->tcaddr[0]);
- ht_bin->vaddr[0] = ht_bin->vaddr[1];
- ht_bin->tcaddr[0] = ht_bin->tcaddr[1];
- ht_bin->vaddr[1] = -1;
- ht_bin->tcaddr[1] = NULL;
- }
- }
- break;
- case 3:
- // Clear jump_out
- if((expirep&2047)==0)
- do_clear_cache();
- ll_remove_matching_addrs(jump_out+(expirep&2047),base_offs_s,shift);
- ll_remove_matching_addrs(jump_out+2048+(expirep&2047),base_offs_s,shift);
- break;
- }
- expirep=(expirep+1)&65535;
- }
+ pass10_expire_blocks();
+
#ifdef ASSEM_PRINT
fflush(stdout);
#endif
+ stat_inc(stat_bc_direct);
return 0;
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff