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spu: adjust irqs again
[pcsx_rearmed.git] / deps / lightning / lib / jit_s390.c
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4a71579b 1/*
79bfeef6 2 * Copyright (C) 2013-2023 Free Software Foundation, Inc.
4a71579b
PC		 3 *
4 * This file is part of GNU lightning.
5 *
6 * GNU lightning is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 3, or (at your option)
9 * any later version.
10 *
11 * GNU lightning is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 * License for more details.
15 *
16 * Authors:
17 * Paulo Cesar Pereira de Andrade
18 */
79bfeef6
PC		 19#define CHECK_FLOGR 0
20
21#if CHECK_FLOGR
22#include <signal.h>
23#include <setjmp.h>
24#endif
4a71579b
PC		 25
26#include <lightning.h>
27#include <lightning/jit_private.h>
28
29#if __WORDSIZE == 32
30# define NUM_FLOAT_REG_ARGS 2
31#else
32# define NUM_FLOAT_REG_ARGS 4
33#endif
34#define jit_arg_reg_p(i) ((i) >= 0 && (i) < 5)
35#define jit_arg_f_reg_p(i) ((i) >= 0 && (i) < NUM_FLOAT_REG_ARGS)
36
37/*
38 * Types
39 */
40typedef struct jit_va_list {
41 /* The offsets are "1" based, as addresses are fixed in the
42 * standard stack frame format. */
43 jit_word_t gpoff;
44 jit_word_t fpoff;
45
46 /* Easier when there is an explicitly defined type...
47(gdb) ptype ap
48type = struct __va_list_tag {
49 long __gpr;
50 long __fpr;
51 void *__overflow_arg_area;
52 void *__reg_save_area;
53
54 Note that gopff (__gpr) and fpoff (__fpr) are jit_word_t equivalent
55 and, again, "1" (unit) based, so must be adjusted at va_arg time.
56 */
57 jit_pointer_t over;
58 jit_pointer_t save;
59
60 /* For variadic functions, always allocate space to save callee
61 * save fpr registers.
62 * Note that s390 has a standard stack frame format that lightning
63 * does not fully comply with, but for variadic functions it must,
64 * for those (variadic) do not use the "empty" spaces for any
65 * callee save fpr register, but save them after the va_list
66 * space; and use the standard stack frame format, as required
67 * by variadic functions (and have a compatible va_list pointer). */
68 jit_float64_t f8;
69 jit_float64_t f9;
70 jit_float64_t f10;
71 jit_float64_t f11;
72 jit_float64_t f12;
73 jit_float64_t f13;
74 jit_float64_t f14;
75 jit_float64_t f15;
76} jit_va_list_t;
77
78/*
79 * Prototypes
80 */
81#define jit_get_reg_pair() _jit_get_reg_pair(_jit)
82static jit_int32_t _jit_get_reg_pair(jit_state_t*);
83#define jit_unget_reg_pair(regno) _jit_unget_reg_pair(_jit,regno)
84static void _jit_unget_reg_pair(jit_state_t*,jit_int32_t);
85#define jit_get_reg_but_zero(flags) _jit_get_reg_but_zero(_jit,flags)
86static jit_int32_t _jit_get_reg_but_zero(jit_state_t*,jit_int32_t);
87#define jit_unget_reg_but_zero(reg) jit_unget_reg(reg)
88#define patch(instr, node) _patch(_jit, instr, node)
89static void _patch(jit_state_t*,jit_word_t,jit_node_t*);
90
91/* libgcc */
92extern void __clear_cache(void *, void *);
93
94#define PROTO 1
95# include "jit_s390-cpu.c"
96# include "jit_s390-fpu.c"
79bfeef6
PC		 97# if CHECK_FLOGR
98# include "jit_fallback.c"
99# endif
4a71579b
PC		 100#undef PROTO
101
102/*
103 * Initialization
104 */
79bfeef6 105jit_cpu_t jit_cpu;
4a71579b
PC		 106jit_register_t _rvs[] = {
107 { rc(gpr) | 0x0, "%r0" },
108 { rc(gpr) | 0x1, "%r1" },
109 { rc(gpr) | rc(sav) | 0xc, "%r12" },
110 { rc(gpr) | rc(sav) | 0xb, "%r11" },
111 { rc(gpr) | rc(sav) | 0xa, "%r10" },
112 { rc(gpr) | rc(sav) | 0x9, "%r9" },
113 { rc(gpr) | rc(sav) | 0x8, "%r8" },
114 { rc(gpr) | rc(sav) | 0x7, "%r7" },
115 { rc(gpr) | rc(arg) | rc(sav) | 0x6,"%r6" },
116 { rc(gpr) | rc(arg) | 0x5, "%r5" },
117 { rc(gpr) | rc(arg) | 0x4, "%r4" },
118 { rc(gpr) | rc(arg) | 0x3, "%r3" },
119 { rc(gpr) | rc(arg) | 0x2, "%r2" },
120 { rc(sav) | 0xd, "%r13" }, /* used as JIT_FP */
121 { 0xe, "%r14" },
122 { rc(sav) | 0xf, "%r15" },
123 { rc(fpr) | 0x1, "%f1" },
124 { rc(fpr) | 0x3, "%f3" },
125 { rc(fpr) | 0x5, "%f5" },
126 { rc(fpr) | 0x7, "%f7" },
127 { rc(fpr) | rc(sav) | 0xe, "%f14" },
128 /* Do not use as temporary to simplify stack layout */
129 { 0xf, "%f15" },
130 { rc(fpr) | rc(sav) | 0x8, "%f8" },
131 { rc(fpr) | rc(sav) | 0x9, "%f9" },
132 { rc(fpr) | rc(sav) | 0xa, "%f10" },
133 { rc(fpr) | rc(sav) | 0xb, "%f11" },
134 { rc(fpr) | rc(sav) | 0xc, "%f12" },
135 { rc(fpr) | rc(sav) | 0xd, "%f13" },
136 { rc(fpr) | rc(arg) | 0x6, "%f6" },
137 { rc(fpr) | rc(arg) | 0x4, "%f4" },
138 { rc(fpr) | rc(arg) | 0x2, "%f2" },
139 { rc(fpr) | rc(arg) | 0x0, "%f0" },
140 { _NOREG, "<none>" },
141};
79bfeef6
PC		 142#if CHECK_FLOGR
143static sigjmp_buf jit_env;
144#endif
4a71579b
PC		 145
146/*
147 * Implementation
148 */
79bfeef6
PC		 149#if CHECK_FLOGR
150static void
151sigill_handler(int signum)
152{
153 jit_cpu.flogr = 0;
154 siglongjmp(jit_env, 1);
155}
156#endif
157
4a71579b
PC		 158void
159jit_get_cpu(void)
160{
79bfeef6
PC		 161#if CHECK_FLOGR
162 int r12, r13;
163 struct sigaction new_action, old_action;
164 new_action.sa_handler = sigill_handler;
165 sigemptyset(&new_action.sa_mask);
166 new_action.sa_flags = 0;
167 sigaction(SIGILL, NULL, &old_action);
168 if (old_action.sa_handler != SIG_IGN) {
169 sigaction(SIGILL, &new_action, NULL);
170 if (!sigsetjmp(jit_env, 1)) {
171 jit_cpu.flogr = 1;
172 /* flogr %r12, %r12 */
173 __asm__ volatile("lgr %%r12, %0; lgr %%r13, %1;"
174 "flogr %%r12, %%r12;"
175 "lgr %1, %%r13; lgr %0, %%r12;"
176 : "=r" (r12), "=r" (r13));
177 sigaction(SIGILL, &old_action, NULL);
178 }
179 }
180#else
181 /* By default, assume it is available */
182 jit_cpu.flogr = 1;
183#endif
4a71579b
PC		 184}
185
186void
187_jit_init(jit_state_t *_jit)
188{
189 _jitc->reglen = jit_size(_rvs) - 1;
190}
191
192void
193_jit_prolog(jit_state_t *_jit)
194{
195 jit_int32_t offset;
196
197 if (_jitc->function)
198 jit_epilog();
199 assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0);
200 jit_regset_set_ui(&_jitc->regsav, 0);
201 offset = _jitc->functions.offset;
202 if (offset >= _jitc->functions.length) {
203 jit_realloc((jit_pointer_t *)&_jitc->functions.ptr,
204 _jitc->functions.length * sizeof(jit_function_t),
205 (_jitc->functions.length + 16) * sizeof(jit_function_t));
206 _jitc->functions.length += 16;
207 }
208 _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++;
209 _jitc->function->self.size = stack_framesize;
210 _jitc->function->self.argi = _jitc->function->self.argf =
211 _jitc->function->self.aoff = _jitc->function->self.alen = 0;
212 /* preallocate 8 bytes if not using a constant data buffer */
213 if (_jitc->no_data)
214 _jitc->function->self.aoff = -8;
215 _jitc->function->self.call = jit_call_default;
216 jit_alloc((jit_pointer_t *)&_jitc->function->regoff,
217 _jitc->reglen * sizeof(jit_int32_t));
218
219 /* _no_link here does not mean the jit_link() call can be removed
220 * by rewriting as:
221 * _jitc->function->prolog = jit_new_node(jit_code_prolog);
222 */
223 _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog);
224 jit_link(_jitc->function->prolog);
225 _jitc->function->prolog->w.w = offset;
226 _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog);
227 /* u: label value
228 * v: offset in blocks vector
229 * w: offset in functions vector
230 */
231 _jitc->function->epilog->w.w = offset;
232
233 jit_regset_new(&_jitc->function->regset);
234}
235
236jit_int32_t
237_jit_allocai(jit_state_t *_jit, jit_int32_t length)
238{
239 assert(_jitc->function);
240 switch (length) {
241 case 0: case 1: break;
242 case 2: _jitc->function->self.aoff &= -2; break;
243 case 3: case 4: _jitc->function->self.aoff &= -4; break;
244 default: _jitc->function->self.aoff &= -8; break;
245 }
246 _jitc->function->self.aoff -= length;
247 if (!_jitc->realize) {
248 jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length);
249 jit_dec_synth();
250 }
251 return (_jitc->function->self.aoff);
252}
253
254void
255_jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v)
256{
257 jit_int32_t reg;
258 assert(_jitc->function);
259 jit_inc_synth_ww(allocar, u, v);
260 if (!_jitc->function->allocar) {
261 _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t));
262 _jitc->function->allocar = 1;
263 }
264 reg = jit_get_reg(jit_class_gpr);
265 jit_negr(reg, v);
266 jit_andi(reg, reg, -8);
267 jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff);
268 jit_addr(u, u, reg);
269 jit_addr(JIT_SP, JIT_SP, reg);
270 jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u);
271 jit_unget_reg(reg);
272 jit_dec_synth();
273}
274
275void
276_jit_ret(jit_state_t *_jit)
277{
278 jit_node_t *instr;
279 assert(_jitc->function);
280 jit_inc_synth(ret);
281 /* jump to epilog */
282 instr = jit_jmpi();
283 jit_patch_at(instr, _jitc->function->epilog);
284 jit_dec_synth();
285}
286
287void
79bfeef6 288_jit_retr(jit_state_t *_jit, jit_int32_t u, jit_code_t code)
4a71579b 289{
79bfeef6 290 jit_code_inc_synth_w(code, u);
4a71579b
PC		 291 jit_movr(JIT_RET, u);
292 jit_ret();
293 jit_dec_synth();
294}
295
296void
79bfeef6 297_jit_reti(jit_state_t *_jit, jit_word_t u, jit_code_t code)
4a71579b 298{
79bfeef6 299 jit_code_inc_synth_w(code, u);
4a71579b
PC		 300 jit_movi(JIT_RET, u);
301 jit_ret();
302 jit_dec_synth();
303}
304
305void
306_jit_retr_f(jit_state_t *_jit, jit_int32_t u)
307{
308 jit_inc_synth_w(retr_f, u);
309 jit_movr_f(JIT_FRET, u);
310 jit_ret();
311 jit_dec_synth();
312}
313
314void
315_jit_reti_f(jit_state_t *_jit, jit_float32_t u)
316{
317 jit_inc_synth_f(reti_f, u);
318 jit_movi_f(JIT_FRET, u);
319 jit_ret();
320 jit_dec_synth();
321}
322
323void
324_jit_retr_d(jit_state_t *_jit, jit_int32_t u)
325{
326 jit_inc_synth_w(retr_d, u);
327 jit_movr_d(JIT_FRET, u);
328 jit_ret();
329 jit_dec_synth();
330}
331
332void
333_jit_reti_d(jit_state_t *_jit, jit_float64_t u)
334{
335 jit_inc_synth_d(reti_d, u);
336 jit_movi_d(JIT_FRET, u);
337 jit_ret();
338 jit_dec_synth();
339}
340
341void
342_jit_epilog(jit_state_t *_jit)
343{
344 assert(_jitc->function);
345 assert(_jitc->function->epilog->next == NULL);
346 jit_link(_jitc->function->epilog);
347 _jitc->function = NULL;
348}
349
350jit_bool_t
351_jit_arg_register_p(jit_state_t *_jit, jit_node_t *u)
352{
79bfeef6 353 if (u->code >= jit_code_arg_c && u->code <= jit_code_arg)
4a71579b
PC		 354 return (jit_arg_reg_p(u->u.w));
355 assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d);
356 return (jit_arg_f_reg_p(u->u.w));
357}
358
359void
360_jit_ellipsis(jit_state_t *_jit)
361{
362 jit_inc_synth(ellipsis);
363 if (_jitc->prepare) {
364 jit_link_prepare();
365 assert(!(_jitc->function->call.call & jit_call_varargs));
366 _jitc->function->call.call |= jit_call_varargs;
367 }
368 else {
369 jit_link_prolog();
370 assert(!(_jitc->function->self.call & jit_call_varargs));
371 _jitc->function->self.call |= jit_call_varargs;
372
373 /* Allocate va_list like object in the stack. */
374 _jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t));
375
376 /* Initialize gp offset in save area. */
377 if (jit_arg_reg_p(_jitc->function->self.argi))
378 _jitc->function->vagp = _jitc->function->self.argi;
379 else
380 _jitc->function->vagp = 5;
381
382 /* Initialize fp offset in save area. */
383 if (jit_arg_f_reg_p(_jitc->function->self.argf))
384 _jitc->function->vafp = _jitc->function->self.argf;
385 else
386 _jitc->function->vafp = NUM_FLOAT_REG_ARGS;
387 }
388 jit_dec_synth();
389}
390
391void
392_jit_va_push(jit_state_t *_jit, jit_int32_t u)
393{
394 jit_inc_synth_w(va_push, u);
395 jit_pushargr(u);
396 jit_dec_synth();
397}
398
399jit_node_t *
79bfeef6 400_jit_arg(jit_state_t *_jit, jit_code_t code)
4a71579b
PC		 401{
402 jit_node_t *node;
403 jit_int32_t offset;
404 assert(_jitc->function);
79bfeef6
PC		 405 assert(!(_jitc->function->self.call & jit_call_varargs));
406#if STRONG_TYPE_CHECKING
407 assert(code >= jit_code_arg_c && code <= jit_code_arg);
408#endif
4a71579b
PC		 409 if (jit_arg_reg_p(_jitc->function->self.argi))
410 offset = _jitc->function->self.argi++;
411 else {
412 offset = _jitc->function->self.size;
413 _jitc->function->self.size += sizeof(jit_word_t);
414 }
79bfeef6 415 node = jit_new_node_ww(code, offset,
4a71579b
PC		 416 ++_jitc->function->self.argn);
417 jit_link_prolog();
418 return (node);
419}
420
421jit_node_t *
422_jit_arg_f(jit_state_t *_jit)
423{
424 jit_node_t *node;
425 jit_int32_t offset;
426 assert(_jitc->function);
427 if (jit_arg_f_reg_p(_jitc->function->self.argf))
428 offset = _jitc->function->self.argf++;
429 else {
430 offset = _jitc->function->self.size;
431 _jitc->function->self.size += sizeof(jit_word_t);
432 }
433 node = jit_new_node_ww(jit_code_arg_f, offset,
434 ++_jitc->function->self.argn);
435 jit_link_prolog();
436 return (node);
437}
438
439jit_node_t *
440_jit_arg_d(jit_state_t *_jit)
441{
442 jit_node_t *node;
443 jit_int32_t offset;
444 assert(_jitc->function);
445 if (jit_arg_f_reg_p(_jitc->function->self.argf))
446 offset = _jitc->function->self.argf++;
447 else {
448 offset = _jitc->function->self.size;
449 _jitc->function->self.size += sizeof(jit_float64_t);
450 }
451 node = jit_new_node_ww(jit_code_arg_d, offset,
452 ++_jitc->function->self.argn);
453 jit_link_prolog();
454 return (node);
455}
456
457void
458_jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
459{
79bfeef6 460 assert_arg_type(v->code, jit_code_arg_c);
4a71579b
PC		 461 jit_inc_synth_wp(getarg_c, u, v);
462 if (jit_arg_reg_p(v->u.w))
463 jit_extr_c(u, _R2 - v->u.w);
464 else
465 jit_ldxi_c(u, JIT_FP,
466 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int8_t));
467 jit_dec_synth();
468}
469
470void
471_jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
472{
79bfeef6 473 assert_arg_type(v->code, jit_code_arg_c);
4a71579b
PC		 474 jit_inc_synth_wp(getarg_uc, u, v);
475 if (jit_arg_reg_p(v->u.w))
476 jit_extr_uc(u, _R2 - v->u.w);
477 else
478 jit_ldxi_uc(u, JIT_FP,
479 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint8_t));
480 jit_dec_synth();
481}
482
483void
484_jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
485{
79bfeef6 486 assert_arg_type(v->code, jit_code_arg_s);
4a71579b
PC		 487 jit_inc_synth_wp(getarg_s, u, v);
488 if (jit_arg_reg_p(v->u.w))
489 jit_extr_s(u, _R2 - v->u.w);
490 else
491 jit_ldxi_s(u, JIT_FP,
492 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int16_t));
493 jit_dec_synth();
494}
495
496void
497_jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
498{
79bfeef6 499 assert_arg_type(v->code, jit_code_arg_s);
4a71579b
PC		 500 jit_inc_synth_wp(getarg_us, u, v);
501 if (jit_arg_reg_p(v->u.w))
502 jit_extr_us(u, _R2 - v->u.w);
503 else
504 jit_ldxi_us(u, JIT_FP,
505 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint16_t));
506 jit_dec_synth();
507}
508
509void
510_jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
511{
79bfeef6 512 assert_arg_type(v->code, jit_code_arg_i);
4a71579b
PC		 513 jit_inc_synth_wp(getarg_i, u, v);
514 if (jit_arg_reg_p(v->u.w)) {
515#if __WORDSIZE == 32
516 jit_movr(u, _R2 - v->u.w);
517#else
518 jit_extr_i(u, _R2 - v->u.w);
519#endif
520 }
521 else
522 jit_ldxi_i(u, JIT_FP,
523 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int32_t));
524 jit_dec_synth();
525}
526
527#if __WORDSIZE == 64
528void
529_jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
530{
79bfeef6 531 assert_arg_type(v->code, jit_code_arg_i);
4a71579b
PC		 532 jit_inc_synth_wp(getarg_ui, u, v);
533 if (jit_arg_reg_p(v->u.w))
534 jit_extr_ui(u, _R2 - v->u.w);
535 else
536 jit_ldxi_ui(u, JIT_FP,
537 v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint32_t));
538 jit_dec_synth();
539}
540
541void
542_jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
543{
79bfeef6 544 assert_arg_type(v->code, jit_code_arg_l);
4a71579b
PC		 545 jit_inc_synth_wp(getarg_l, u, v);
546 if (jit_arg_reg_p(v->u.w))
547 jit_movr(u, _R2 - v->u.w);
548 else
549 jit_ldxi_l(u, JIT_FP, v->u.w);
550 jit_dec_synth();
551}
552#endif
553
554void
79bfeef6 555_jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v, jit_code_t code)
4a71579b 556{
79bfeef6
PC		 557 assert_putarg_type(code, v->code);
558 jit_code_inc_synth_wp(code, u, v);
4a71579b
PC		 559 if (jit_arg_reg_p(v->u.w))
560 jit_movr(_R2 - v->u.w, u);
561 else
562 jit_stxi(v->u.w, JIT_FP, u);
563 jit_dec_synth();
564}
565
566void
79bfeef6 567_jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v, jit_code_t code)
4a71579b
PC		 568{
569 jit_int32_t regno;
79bfeef6
PC		 570 assert_putarg_type(code, v->code);
571 jit_code_inc_synth_wp(code, u, v);
4a71579b
PC		 572 if (jit_arg_reg_p(v->u.w))
573 jit_movi(_R2 - v->u.w, u);
574 else {
575 regno = jit_get_reg(jit_class_gpr);
576 jit_movi(regno, u);
577 jit_stxi(v->u.w, JIT_FP, regno);
578 jit_unget_reg(regno);
579 }
580 jit_dec_synth();
581}
582
583void
584_jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
585{
586 assert(v->code == jit_code_arg_f);
587 jit_inc_synth_wp(getarg_f, u, v);
588 if (jit_arg_f_reg_p(v->u.w))
589 jit_movr_f(u, _F0 - v->u.w);
590 else
591 jit_ldxi_f(u, JIT_FP,
592 v->u.w
593#if __WORDSIZE == 64
594 + (__WORDSIZE >> 3) - sizeof(jit_float32_t)
595#endif
596 );
597 jit_dec_synth();
598}
599
600void
601_jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
602{
603 assert(v->code == jit_code_arg_f);
604 jit_inc_synth_wp(putargr_f, u, v);
605 if (jit_arg_f_reg_p(v->u.w))
606 jit_movr_f(_F0 - v->u.w, u);
607 else
608 jit_stxi_f(v->u.w
609#if __WORDSIZE == 64
610 + (__WORDSIZE >> 3) - sizeof(jit_float32_t)
611#endif
612 , JIT_FP, u);
613 jit_dec_synth();
614}
615
616void
617_jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v)
618{
619 jit_int32_t regno;
620 assert(v->code == jit_code_arg_f);
621 jit_inc_synth_fp(putargi_f, u, v);
622 if (jit_arg_f_reg_p(v->u.w))
623 jit_movi_f(_F0 - v->u.w, u);
624 else {
625 regno = jit_get_reg(jit_class_fpr);
626 jit_movi_f(regno, u);
627 jit_stxi_f(v->u.w
628#if __WORDSIZE == 64
629 + (__WORDSIZE >> 3) - sizeof(jit_float32_t)
630#endif
631 , JIT_FP, regno);
632 jit_unget_reg(regno);
633 }
634 jit_dec_synth();
635}
636
637void
638_jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
639{
640 assert(v->code == jit_code_arg_d);
641 jit_inc_synth_wp(getarg_d, u, v);
642 if (jit_arg_f_reg_p(v->u.w))
643 jit_movr_d(u, _F0 - v->u.w);
644 else
645 jit_ldxi_d(u, JIT_FP, v->u.w);
646 jit_dec_synth();
647}
648
649void
650_jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v)
651{
652 assert(v->code == jit_code_arg_d);
653 jit_inc_synth_wp(putargr_d, u, v);
654 if (jit_arg_f_reg_p(v->u.w))
655 jit_movr_d(_F0 - v->u.w, u);
656 else
657 jit_stxi_d(v->u.w, JIT_FP, u);
658 jit_dec_synth();
659}
660
661void
662_jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v)
663{
664 jit_int32_t regno;
665 assert(v->code == jit_code_arg_d);
666 jit_inc_synth_dp(putargi_d, u, v);
667 if (jit_arg_f_reg_p(v->u.w))
668 jit_movi_d(_F0 - v->u.w, u);
669 else {
670 regno = jit_get_reg(jit_class_fpr);
671 jit_movi_d(regno, u);
672 jit_stxi_d(v->u.w, JIT_FP, regno);
673 jit_unget_reg(regno);
674 }
675 jit_dec_synth();
676}
677
678void
79bfeef6 679_jit_pushargr(jit_state_t *_jit, jit_int32_t u, jit_code_t code)
4a71579b
PC		 680{
681 assert(_jitc->function);
79bfeef6 682 jit_code_inc_synth_w(code, u);
4a71579b
PC		 683 jit_link_prepare();
684 if (jit_arg_reg_p(_jitc->function->call.argi)) {
685 jit_movr(_R2 - _jitc->function->call.argi, u);
686 ++_jitc->function->call.argi;
687 }
688 else {
689 jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, u);
690 _jitc->function->call.size += sizeof(jit_word_t);
691 }
692 jit_dec_synth();
693}
694
695void
79bfeef6 696_jit_pushargi(jit_state_t *_jit, jit_word_t u, jit_code_t code)
4a71579b
PC		 697{
698 jit_int32_t regno;
699 assert(_jitc->function);
79bfeef6 700 jit_code_inc_synth_w(code, u);
4a71579b
PC		 701 jit_link_prepare();
702 if (jit_arg_reg_p(_jitc->function->call.argi)) {
703 jit_movi(_R2 - _jitc->function->call.argi, u);
704 ++_jitc->function->call.argi;
705 }
706 else {
707 regno = jit_get_reg(jit_class_gpr);
708 jit_movi(regno, u);
709 jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, regno);
710 jit_unget_reg(regno);
711 _jitc->function->call.size += sizeof(jit_word_t);
712 }
713 jit_dec_synth();
714}
715
716void
717_jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
718{
719 assert(_jitc->function);
720 jit_inc_synth_w(pushargr_f, u);
721 jit_link_prepare();
722 if (jit_arg_f_reg_p(_jitc->function->call.argf)) {
723 jit_movr_f(_F0 - _jitc->function->call.argf, u);
724 ++_jitc->function->call.argf;
725 }
726 else {
727 jit_stxi_f(_jitc->function->call.size + stack_framesize
728#if __WORDSIZE == 64
729 + (__WORDSIZE >> 3) - sizeof(jit_float32_t)
730#endif
731 , JIT_SP, u);
732 _jitc->function->call.size += sizeof(jit_word_t);
733 }
734 jit_dec_synth();
735}
736
737void
738_jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
739{
740 jit_int32_t regno;
741 assert(_jitc->function);
742 jit_inc_synth_f(pushargi_f, u);
743 jit_link_prepare();
744 if (jit_arg_f_reg_p(_jitc->function->call.argf)) {
745 jit_movi_f(_F0 - _jitc->function->call.argf, u);
746 ++_jitc->function->call.argf;
747 }
748 else {
749 regno = jit_get_reg(jit_class_fpr);
750 jit_movi_f(regno, u);
751 jit_stxi_f(_jitc->function->call.size + stack_framesize
752#if __WORDSIZE == 64
753 + (__WORDSIZE >> 3) - sizeof(jit_float32_t)
754#endif
755 , JIT_SP, regno);
756 jit_unget_reg(regno);
757 _jitc->function->call.size += sizeof(jit_word_t);
758 }
759 jit_dec_synth();
760}
761
762void
763_jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
764{
765 assert(_jitc->function);
766 jit_inc_synth_w(pushargr_d, u);
767 jit_link_prepare();
768 if (jit_arg_f_reg_p(_jitc->function->call.argf)) {
769 jit_movr_d(_F0 - _jitc->function->call.argf, u);
770 ++_jitc->function->call.argf;
771 }
772 else {
773 jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, u);
774 _jitc->function->call.size += sizeof(jit_float64_t);
775 }
776 jit_dec_synth();
777}
778
779void
780_jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
781{
782 jit_int32_t regno;
783 assert(_jitc->function);
784 jit_inc_synth_d(pushargi_d, u);
785 jit_link_prepare();
786 if (jit_arg_f_reg_p(_jitc->function->call.argf)) {
787 jit_movi_d(_F0 - _jitc->function->call.argf, u);
788 ++_jitc->function->call.argf;
789 }
790 else {
791 regno = jit_get_reg(jit_class_fpr);
792 jit_movi_d(regno, u);
793 jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, regno);
794 jit_unget_reg(regno);
795 _jitc->function->call.size += sizeof(jit_float64_t);
796 }
797 jit_dec_synth();
798}
799
800jit_bool_t
801_jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno)
802{
803 jit_int32_t spec;
804 spec = jit_class(_rvs[regno].spec);
805 if (spec & jit_class_arg) {
806 regno = _R2 - regno;
807 if (regno >= 0 && regno < node->v.w)
808 return (1);
809 if (spec & jit_class_fpr) {
810 regno = _F0 - regno;
811 if (regno >= 0 && regno < node->w.w)
812 return (1);
813 }
814 }
815 return (0);
816}
817
818void
819_jit_finishr(jit_state_t *_jit, jit_int32_t r0)
820{
821 jit_node_t *call;
822 assert(_jitc->function);
823 jit_inc_synth_w(finishr, r0);
824 if (_jitc->function->self.alen < _jitc->function->call.size)
825 _jitc->function->self.alen = _jitc->function->call.size;
826 call = jit_callr(r0);
827 call->v.w = _jitc->function->call.argi;
828 call->w.w = _jitc->function->call.argf;
829 _jitc->function->call.argi = _jitc->function->call.argf =
830 _jitc->function->call.size = 0;
831 _jitc->prepare = 0;
832 jit_dec_synth();
833}
834
835jit_node_t *
836_jit_finishi(jit_state_t *_jit, jit_pointer_t i0)
837{
838 jit_node_t *node;
839 assert(_jitc->function);
840 jit_inc_synth_w(finishi, (jit_word_t)i0);
841 if (_jitc->function->self.alen < _jitc->function->call.size)
842 _jitc->function->self.alen = _jitc->function->call.size;
843 node = jit_calli(i0);
844 node->v.w = _jitc->function->call.argi;
845 node->w.w = _jitc->function->call.argf;
846 _jitc->function->call.argi = _jitc->function->call.argf =
847 _jitc->function->call.size = 0;
848 _jitc->prepare = 0;
849 jit_dec_synth();
850 return (node);
851}
852
853void
854_jit_retval_c(jit_state_t *_jit, jit_int32_t r0)
855{
856 jit_inc_synth_w(retval_c, r0);
857 jit_extr_c(r0, JIT_RET);
858 jit_dec_synth();
859}
860
861void
862_jit_retval_uc(jit_state_t *_jit, jit_int32_t r0)
863{
864 jit_inc_synth_w(retval_uc, r0);
865 jit_extr_uc(r0, JIT_RET);
866 jit_dec_synth();
867}
868
869void
870_jit_retval_s(jit_state_t *_jit, jit_int32_t r0)
871{
872 jit_inc_synth_w(retval_s, r0);
873 jit_extr_s(r0, JIT_RET);
874 jit_dec_synth();
875}
876
877void
878_jit_retval_us(jit_state_t *_jit, jit_int32_t r0)
879{
880 jit_inc_synth_w(retval_us, r0);
881 jit_extr_us(r0, JIT_RET);
882 jit_dec_synth();
883}
884
885void
886_jit_retval_i(jit_state_t *_jit, jit_int32_t r0)
887{
888 jit_inc_synth_w(retval_i, r0);
889#if __WORDSIZE == 64
890 jit_extr_i(r0, JIT_RET);
891#else
892 jit_movr(r0, JIT_RET);
893#endif
894 jit_dec_synth();
895}
896
897#if __WORDSIZE == 64
898void
899_jit_retval_ui(jit_state_t *_jit, jit_int32_t r0)
900{
901 jit_inc_synth_w(retval_ui, r0);
902 jit_extr_ui(r0, JIT_RET);
903 jit_dec_synth();
904}
905
906void
907_jit_retval_l(jit_state_t *_jit, jit_int32_t r0)
908{
909 jit_inc_synth_w(retval_l, r0);
910 jit_movr(r0, JIT_RET);
911 jit_dec_synth();
912}
913#endif
914
915void
916_jit_retval_f(jit_state_t *_jit, jit_int32_t r0)
917{
918 jit_inc_synth_w(retval_f, r0);
919 jit_movr_f(r0, JIT_FRET);
920 jit_dec_synth();
921}
922
923void
924_jit_retval_d(jit_state_t *_jit, jit_int32_t r0)
925{
926 jit_inc_synth_w(retval_d, r0);
927 jit_movr_d(r0, JIT_FRET);
928 jit_dec_synth();
929}
930
931jit_pointer_t
932_emit_code(jit_state_t *_jit)
933{
934 jit_node_t *node;
935 jit_node_t *temp;
936 jit_word_t word;
937 jit_int32_t value;
938 jit_int32_t offset;
939 struct {
940 jit_node_t *node;
941 jit_word_t word;
79bfeef6 942 jit_function_t func;
4a71579b
PC		 943#if DEVEL_DISASSEMBLER
944 jit_word_t prevw;
945#endif
946 jit_int32_t patch_offset;
947 } undo;
948#if DEVEL_DISASSEMBLER
949 jit_word_t prevw;
950#endif
951
952 _jitc->function = NULL;
953
954 jit_reglive_setup();
955
956 undo.word = 0;
957 undo.node = NULL;
958 undo.patch_offset = 0;
959
960#define assert_data(node) /**/
961#define case_rr(name, type) \
962 case jit_code_##name##r##type: \
963 name##r##type(rn(node->u.w), rn(node->v.w)); \
964 break
965#define case_rw(name, type) \
966 case jit_code_##name##i##type: \
967 name##i##type(rn(node->u.w), node->v.w); \
968 break
969#define case_wr(name, type) \
970 case jit_code_##name##i##type: \
971 name##i##type(node->u.w, rn(node->v.w)); \
972 break
973#define case_rrr(name, type) \
974 case jit_code_##name##r##type: \
975 name##r##type(rn(node->u.w), \
976 rn(node->v.w), rn(node->w.w)); \
977 break
978#define case_rrrr(name, type) \
979 case jit_code_##name##r##type: \
980 name##r##type(rn(node->u.q.l), rn(node->u.q.h), \
981 rn(node->v.w), rn(node->w.w)); \
982 break
983#define case_rrw(name, type) \
984 case jit_code_##name##i##type: \
985 name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \
986 break
987#define case_rrrw(name, type) \
988 case jit_code_##name##i##type: \
989 name##i##type(rn(node->u.q.l), rn(node->u.q.h), \
990 rn(node->v.w), node->w.w); \
991 break
992#define case_rrf(name) \
993 case jit_code_##name##i_f: \
994 assert_data(node); \
995 name##i_f(rn(node->u.w), rn(node->v.w), \
996 (jit_float32_t *)node->w.n->u.w); \
997 break
998#define case_rrd(name) \
999 case jit_code_##name##i_d: \
1000 assert_data(node); \
1001 name##i_d(rn(node->u.w), rn(node->v.w), \
1002 (jit_float64_t *)node->w.n->u.w); \
1003 break
1004#define case_wrr(name, type) \
1005 case jit_code_##name##i##type: \
1006 name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \
1007 break
1008#define case_brr(name, type) \
1009 case jit_code_##name##r##type: \
1010 temp = node->u.n; \
1011 assert(temp->code == jit_code_label || \
1012 temp->code == jit_code_epilog); \
1013 if (temp->flag & jit_flag_patch) \
1014 name##r##type(temp->u.w, rn(node->v.w), \
1015 rn(node->w.w)); \
1016 else { \
1017 word = name##r##type##_p(_jit->pc.w, \
1018 rn(node->v.w), \
1019 rn(node->w.w)); \
1020 patch(word, node); \
1021 } \
1022 break
1023#define case_brw(name, type) \
1024 case jit_code_##name##i##type: \
1025 temp = node->u.n; \
1026 assert(temp->code == jit_code_label || \
1027 temp->code == jit_code_epilog); \
1028 if (temp->flag & jit_flag_patch) \
1029 name##i##type(temp->u.w, \
1030 rn(node->v.w), node->w.w); \
1031 else { \
1032 word = name##i##type##_p(_jit->pc.w, \
1033 rn(node->v.w), node->w.w); \
1034 patch(word, node); \
1035 } \
1036 break;
1037#define case_brf(name) \
1038 case jit_code_##name##i_f: \
1039 temp = node->u.n; \
1040 assert(temp->code == jit_code_label || \
1041 temp->code == jit_code_epilog); \
1042 if (temp->flag & jit_flag_patch) \
1043 name##i_f(temp->u.w, rn(node->v.w), \
1044 (jit_float32_t *)node->w.n->u.w); \
1045 else { \
1046 word = name##i_f_p(_jit->pc.w, rn(node->v.w), \
1047 (jit_float32_t *)node->w.n->u.w);\
1048 patch(word, node); \
1049 } \
1050 break
1051#define case_brd(name) \
1052 case jit_code_##name##i_d: \
1053 temp = node->u.n; \
1054 assert(temp->code == jit_code_label || \
1055 temp->code == jit_code_epilog); \
1056 if (temp->flag & jit_flag_patch) \
1057 name##i_d(temp->u.w, rn(node->v.w), \
1058 (jit_float64_t *)node->w.n->u.w); \
1059 else { \
1060 word = name##i_d_p(_jit->pc.w, rn(node->v.w), \
1061 (jit_float64_t *)node->w.n->u.w);\
1062 patch(word, node); \
1063 } \
1064 break
1065#if DEVEL_DISASSEMBLER
1066 prevw = _jit->pc.w;
1067#endif
1068 for (node = _jitc->head; node; node = node->next) {
1069 if (_jit->pc.uc >= _jitc->code.end)
1070 return (NULL);
1071
1072#if DEVEL_DISASSEMBLER
1073 node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw;
1074 prevw = _jit->pc.w;
1075#endif
1076 value = jit_classify(node->code);
1077 jit_regarg_set(node, value);
1078 switch (node->code) {
1079 case jit_code_align:
c0c16242
PC		 1080 /* Must align to a power of two */
1081 assert(!(node->u.w & (node->u.w - 1)));
1082 if ((word = _jit->pc.w & (node->u.w - 1)))
1083 nop(node->u.w - word);
4a71579b 1084 break;
79bfeef6
PC		 1085 case jit_code_skip:
1086 nop((node->u.w + 1) & ~1);
1087 break;
4a71579b
PC		 1088 case jit_code_note: case jit_code_name:
1089 node->u.w = _jit->pc.w;
1090 break;
1091 case jit_code_label:
1092 if ((node->link || (node->flag & jit_flag_use)) &&
1093 (word = _jit->pc.w & 3))
1094 nop(4 - word);
1095 /* remember label is defined */
1096 node->flag |= jit_flag_patch;
1097 node->u.w = _jit->pc.w;
1098 break;
1099 case_rrr(add,);
1100 case_rrw(add,);
1101 case_rrr(addc,);
1102 case_rrw(addc,);
1103 case_rrr(addx,);
1104 case_rrw(addx,);
1105 case_rrr(sub,);
1106 case_rrw(sub,);
1107 case_rrr(subc,);
1108 case_rrw(subc,);
1109 case_rrr(subx,);
1110 case_rrw(subx,);
1111 case_rrw(rsb,);
1112 case_rrr(mul,);
1113 case_rrw(mul,);
1114 case_rrrr(qmul,);
1115 case_rrrw(qmul,);
1116 case_rrrr(qmul, _u);
1117 case_rrrw(qmul, _u);
1118 case_rrr(div,);
1119 case_rrw(div,);
1120 case_rrr(div, _u);
1121 case_rrw(div, _u);
1122 case_rrr(rem,);
1123 case_rrw(rem,);
1124 case_rrr(rem, _u);
1125 case_rrw(rem, _u);
1126 case_rrrr(qdiv,);
1127 case_rrrw(qdiv,);
1128 case_rrrr(qdiv, _u);
1129 case_rrrw(qdiv, _u);
1130 case_rrr(lsh,);
1131 case_rrw(lsh,);
1132 case_rrr(rsh,);
1133 case_rrw(rsh,);
1134 case_rrr(rsh, _u);
1135 case_rrw(rsh, _u);
1136 case_rr(neg,);
1137 case_rr(com,);
79bfeef6
PC		 1138 case_rr(clo,);
1139 case_rr(clz,);
1140 case_rr(cto,);
1141 case_rr(ctz,);
4a71579b
PC		 1142 case_rrr(and,);
1143 case_rrw(and,);
1144 case_rrr(or,);
1145 case_rrw(or,);
1146 case_rrr(xor,);
1147 case_rrw(xor,);
1148 case_rr(trunc, _f_i);
1149 case_rr(trunc, _d_i);
1150#if __WORDSIZE == 64
1151 case_rr(trunc, _f_l);
1152 case_rr(trunc, _d_l);
1153#endif
1154 case_rr(ld, _c);
1155 case_rw(ld, _c);
1156 case_rr(ld, _uc);
1157 case_rw(ld, _uc);
1158 case_rr(ld, _s);
1159 case_rw(ld, _s);
1160 case_rr(ld, _us);
1161 case_rw(ld, _us);
1162 case_rr(ld, _i);
1163 case_rw(ld, _i);
1164#if __WORDSIZE == 64
1165 case_rr(ld, _ui);
1166 case_rw(ld, _ui);
1167 case_rr(ld, _l);
1168 case_rw(ld, _l);
1169#endif
1170 case_rrr(ldx, _c);
1171 case_rrw(ldx, _c);
1172 case_rrr(ldx, _uc);
1173 case_rrw(ldx, _uc);
1174 case_rrr(ldx, _s);
1175 case_rrw(ldx, _s);
1176 case_rrr(ldx, _us);
1177 case_rrw(ldx, _us);
1178 case_rrr(ldx, _i);
1179 case_rrw(ldx, _i);
1180#if __WORDSIZE == 64
1181 case_rrr(ldx, _ui);
1182 case_rrw(ldx, _ui);
1183 case_rrr(ldx, _l);
1184 case_rrw(ldx, _l);
1185#endif
1186 case_rr(st, _c);
1187 case_wr(st, _c);
1188 case_rr(st, _s);
1189 case_wr(st, _s);
1190 case_rr(st, _i);
1191 case_wr(st, _i);
1192#if __WORDSIZE == 64
1193 case_rr(st, _l);
1194 case_wr(st, _l);
1195#endif
1196 case_rrr(stx, _c);
1197 case_wrr(stx, _c);
1198 case_rrr(stx, _s);
1199 case_wrr(stx, _s);
1200 case_rrr(stx, _i);
1201 case_wrr(stx, _i);
1202#if __WORDSIZE == 64
1203 case_rrr(stx, _l);
1204 case_wrr(stx, _l);
1205#endif
1206 case_rr(hton, _us);
1207 case_rr(hton, _ui);
1208#if __WORDSIZE == 64
1209 case_rr(hton, _ul);
40a44dcb
PC		 1210#endif
1211 case_rr(bswap, _us);
1212 case_rr(bswap, _ui);
1213#if __WORDSIZE == 64
1214 case_rr(bswap, _ul);
4a71579b
PC		 1215#endif
1216 case_rr(ext, _c);
1217 case_rr(ext, _uc);
1218 case_rr(ext, _s);
1219 case_rr(ext, _us);
1220#if __WORDSIZE == 64
1221 case_rr(ext, _i);
1222 case_rr(ext, _ui);
1223#endif
ba3814c1
PC		 1224 case jit_code_casr:
1225 casr(rn(node->u.w), rn(node->v.w),
1226 rn(node->w.q.l), rn(node->w.q.h));
1227 break;
1228 case jit_code_casi:
1229 casi(rn(node->u.w), node->v.w,
1230 rn(node->w.q.l), rn(node->w.q.h));
1231 break;
40a44dcb
PC		 1232 case_rrr(movn,);
1233 case_rrr(movz,);
4a71579b
PC		 1234 case_rr(mov,);
1235 case jit_code_movi:
1236 if (node->flag & jit_flag_node) {
1237 temp = node->v.n;
1238 if (temp->code == jit_code_data ||
1239 (temp->code == jit_code_label &&
1240 (temp->flag & jit_flag_patch)))
1241 movi(rn(node->u.w), temp->u.w);
1242 else {
1243 assert(temp->code == jit_code_label ||
1244 temp->code == jit_code_epilog);
1245 word = movi_p(rn(node->u.w), temp->u.w);
1246 patch(word, node);
1247 }
1248 }
1249 else
1250 movi(rn(node->u.w), node->v.w);
1251 break;
1252 case_rrr(lt,);
1253 case_rrw(lt,);
1254 case_rrr(lt, _u);
1255 case_rrw(lt, _u);
1256 case_rrr(le,);
1257 case_rrw(le,);
1258 case_rrr(le, _u);
1259 case_rrw(le, _u);
1260 case_rrr(eq,);
1261 case_rrw(eq,);
1262 case_rrr(ge,);
1263 case_rrw(ge,);
1264 case_rrr(ge, _u);
1265 case_rrw(ge, _u);
1266 case_rrr(gt,);
1267 case_rrw(gt,);
1268 case_rrr(gt, _u);
1269 case_rrw(gt, _u);
1270 case_rrr(ne,);
1271 case_rrw(ne,);
1272 case_brr(blt,);
1273 case_brw(blt,);
1274 case_brr(blt, _u);
1275 case_brw(blt, _u);
1276 case_brr(ble,);
1277 case_brw(ble,);
1278 case_brr(ble, _u);
1279 case_brw(ble, _u);
1280 case_brr(beq,);
1281 case_brw(beq,);
1282 case_brr(bge,);
1283 case_brw(bge,);
1284 case_brr(bge, _u);
1285 case_brw(bge, _u);
1286 case_brr(bgt,);
1287 case_brw(bgt,);
1288 case_brr(bgt, _u);
1289 case_brw(bgt, _u);
1290 case_brr(bne,);
1291 case_brw(bne,);
1292 case_brr(boadd,);
1293 case_brw(boadd,);
1294 case_brr(boadd, _u);
1295 case_brw(boadd, _u);
1296 case_brr(bxadd,);
1297 case_brw(bxadd,);
1298 case_brr(bxadd, _u);
1299 case_brw(bxadd, _u);
1300 case_brr(bosub,);
1301 case_brw(bosub,);
1302 case_brr(bosub, _u);
1303 case_brw(bosub, _u);
1304 case_brr(bxsub,);
1305 case_brw(bxsub,);
1306 case_brr(bxsub, _u);
1307 case_brw(bxsub, _u);
1308 case_brr(bms,);
1309 case_brw(bms,);
1310 case_brr(bmc,);
1311 case_brw(bmc,);
1312 case_rrr(add, _f);
1313 case_rrf(add);
1314 case_rrr(sub, _f);
1315 case_rrf(sub);
1316 case_rrf(rsb);
1317 case_rrr(mul, _f);
1318 case_rrf(mul);
1319 case_rrr(div, _f);
1320 case_rrf(div);
1321 case_rr(abs, _f);
1322 case_rr(neg, _f);
1323 case_rr(sqrt, _f);
1324 case_rr(ext, _f);
1325 case_rr(ld, _f);
1326 case_rw(ld, _f);
1327 case_rrr(ldx, _f);
1328 case_rrw(ldx, _f);
1329 case_rr(st, _f);
1330 case_wr(st, _f);
1331 case_rrr(stx, _f);
1332 case_wrr(stx, _f);
1333 case_rr(mov, _f);
1334 case jit_code_movi_f:
1335 assert_data(node);
1336 movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w);
1337 break;
1338 case_rr(ext, _d_f);
1339 case_rrr(lt, _f);
1340 case_rrf(lt);
1341 case_rrr(le, _f);
1342 case_rrf(le);
1343 case_rrr(eq, _f);
1344 case_rrf(eq);
1345 case_rrr(ge, _f);
1346 case_rrf(ge);
1347 case_rrr(gt, _f);
1348 case_rrf(gt);
1349 case_rrr(ne, _f);
1350 case_rrf(ne);
1351 case_rrr(unlt, _f);
1352 case_rrf(unlt);
1353 case_rrr(unle, _f);
1354 case_rrf(unle);
1355 case_rrr(uneq, _f);
1356 case_rrf(uneq);
1357 case_rrr(unge, _f);
1358 case_rrf(unge);
1359 case_rrr(ungt, _f);
1360 case_rrf(ungt);
1361 case_rrr(ltgt, _f);
1362 case_rrf(ltgt);
1363 case_rrr(ord, _f);
1364 case_rrf(ord);
1365 case_rrr(unord, _f);
1366 case_rrf(unord);
1367 case_brr(blt, _f);
1368 case_brf(blt);
1369 case_brr(ble, _f);
1370 case_brf(ble);
1371 case_brr(beq, _f);
1372 case_brf(beq);
1373 case_brr(bge, _f);
1374 case_brf(bge);
1375 case_brr(bgt, _f);
1376 case_brf(bgt);
1377 case_brr(bne, _f);
1378 case_brf(bne);
1379 case_brr(bunlt, _f);
1380 case_brf(bunlt);
1381 case_brr(bunle, _f);
1382 case_brf(bunle);
1383 case_brr(buneq, _f);
1384 case_brf(buneq);
1385 case_brr(bunge, _f);
1386 case_brf(bunge);
1387 case_brr(bungt, _f);
1388 case_brf(bungt);
1389 case_brr(bltgt, _f);
1390 case_brf(bltgt);
1391 case_brr(bord, _f);
1392 case_brf(bord);
1393 case_brr(bunord, _f);
1394 case_brf(bunord);
1395 case_rrr(add, _d);
1396 case_rrd(add);
1397 case_rrr(sub, _d);
1398 case_rrd(sub);
1399 case_rrd(rsb);
1400 case_rrr(mul, _d);
1401 case_rrd(mul);
1402 case_rrr(div, _d);
1403 case_rrd(div);
1404 case_rr(abs, _d);
1405 case_rr(neg, _d);
1406 case_rr(sqrt, _d);
1407 case_rr(ext, _d);
1408 case_rr(ld, _d);
1409 case_rw(ld, _d);
1410 case_rrr(ldx, _d);
1411 case_rrw(ldx, _d);
1412 case_rr(st, _d);
1413 case_wr(st, _d);
1414 case_rrr(stx, _d);
1415 case_wrr(stx, _d);
1416 case_rr(mov, _d);
1417 case jit_code_movi_d:
1418 assert_data(node);
1419 movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w);
1420 break;
1421 case_rr(ext, _f_d);
1422 case_rrr(lt, _d);
1423 case_rrd(lt);
1424 case_rrr(le, _d);
1425 case_rrd(le);
1426 case_rrr(eq, _d);
1427 case_rrd(eq);
1428 case_rrr(ge, _d);
1429 case_rrd(ge);
1430 case_rrr(gt, _d);
1431 case_rrd(gt);
1432 case_rrr(ne, _d);
1433 case_rrd(ne);
1434 case_rrr(unlt, _d);
1435 case_rrd(unlt);
1436 case_rrr(unle, _d);
1437 case_rrd(unle);
1438 case_rrr(uneq, _d);
1439 case_rrd(uneq);
1440 case_rrr(unge, _d);
1441 case_rrd(unge);
1442 case_rrr(ungt, _d);
1443 case_rrd(ungt);
1444 case_rrr(ltgt, _d);
1445 case_rrd(ltgt);
1446 case_rrr(ord, _d);
1447 case_rrd(ord);
1448 case_rrr(unord, _d);
1449 case_rrd(unord);
1450 case_brr(blt, _d);
1451 case_brd(blt);
1452 case_brr(ble, _d);
1453 case_brd(ble);
1454 case_brr(beq, _d);
1455 case_brd(beq);
1456 case_brr(bge, _d);
1457 case_brd(bge);
1458 case_brr(bgt, _d);
1459 case_brd(bgt);
1460 case_brr(bne, _d);
1461 case_brd(bne);
1462 case_brr(bunlt, _d);
1463 case_brd(bunlt);
1464 case_brr(bunle, _d);
1465 case_brd(bunle);
1466 case_brr(buneq, _d);
1467 case_brd(buneq);
1468 case_brr(bunge, _d);
1469 case_brd(bunge);
1470 case_brr(bungt, _d);
1471 case_brd(bungt);
1472 case_brr(bltgt, _d);
1473 case_brd(bltgt);
1474 case_brr(bord, _d);
1475 case_brd(bord);
1476 case_brr(bunord, _d);
1477 case_brd(bunord);
1478 case jit_code_jmpr:
1479 jmpr(rn(node->u.w));
1480 break;
1481 case jit_code_jmpi:
1482 if (node->flag & jit_flag_node) {
1483 temp = node->u.n;
1484 assert(temp->code == jit_code_label ||
1485 temp->code == jit_code_epilog);
1486 if (temp->flag & jit_flag_patch)
79bfeef6 1487 jmpi(temp->u.w, 1);
4a71579b 1488 else {
79bfeef6
PC		 1489 word = _jit->code.length -
1490 (_jit->pc.uc - _jit->code.ptr);
1491 if (s32_p(word)) {
1492 offset = s16_p(word);
1493 word = jmpi(_jit->pc.w, offset);
1494 }
1495 else
1496 word = jmpi_p(_jit->pc.w);
4a71579b
PC		 1497 patch(word, node);
1498 }
1499 }
1500 else
79bfeef6 1501 jmpi(node->u.w, 1);
4a71579b
PC		 1502 break;
1503 case jit_code_callr:
1504 callr(rn(node->u.w));
1505 break;
1506 case jit_code_calli:
1507 if (node->flag & jit_flag_node) {
1508 temp = node->u.n;
1509 assert(temp->code == jit_code_label ||
1510 temp->code == jit_code_epilog);
1511 if (temp->flag & jit_flag_patch)
79bfeef6 1512 calli(temp->u.w, 1);
4a71579b 1513 else {
79bfeef6
PC		 1514 word = _jit->code.length -
1515 (_jit->pc.uc - _jit->code.ptr);
1516 if (s32_p(word)) {
1517 offset =s16_p(word);
1518 word = calli(_jit->pc.w, offset);
1519 }
1520 else
1521 word = calli_p(_jit->pc.w);
4a71579b
PC		 1522 patch(word, node);
1523 }
1524 }
1525 else
79bfeef6 1526 calli(node->u.w, 1);
4a71579b
PC		 1527 break;
1528 case jit_code_prolog:
1529 _jitc->function = _jitc->functions.ptr + node->w.w;
1530 undo.node = node;
1531 undo.word = _jit->pc.w;
79bfeef6 1532 memcpy(&undo.func, _jitc->function, sizeof(undo.func));
4a71579b
PC		 1533#if DEVEL_DISASSEMBLER
1534 undo.prevw = prevw;
1535#endif
1536 undo.patch_offset = _jitc->patches.offset;
1537 restart_function:
1538 _jitc->again = 0;
1539 prolog(node);
1540 break;
1541 case jit_code_epilog:
1542 assert(_jitc->function == _jitc->functions.ptr + node->w.w);
1543 if (_jitc->again) {
1544 for (temp = undo.node->next;
1545 temp != node; temp = temp->next) {
1546 if (temp->code == jit_code_label ||
1547 temp->code == jit_code_epilog)
1548 temp->flag &= ~jit_flag_patch;
1549 }
1550 temp->flag &= ~jit_flag_patch;
1551 node = undo.node;
1552 _jit->pc.w = undo.word;
79bfeef6
PC		 1553 /* undo.func.self.aoff and undo.func.regset should not
1554 * be undone, as they will be further updated, and are
1555 * the reason of the undo. */
1556 undo.func.self.aoff = _jitc->function->frame +
1557 _jitc->function->self.aoff;
1558 jit_regset_set(&undo.func.regset, &_jitc->function->regset);
1559 /* allocar information also does not need to be undone */
1560 undo.func.aoffoff = _jitc->function->aoffoff;
1561 undo.func.allocar = _jitc->function->allocar;
1562 memcpy(_jitc->function, &undo.func, sizeof(undo.func));
4a71579b
PC		 1563#if DEVEL_DISASSEMBLER
1564 prevw = undo.prevw;
1565#endif
1566 _jitc->patches.offset = undo.patch_offset;
1567 goto restart_function;
1568 }
1569 if (node->link && (word = _jit->pc.w & 3))
1570 nop(4 - word);
1571 /* remember label is defined */
1572 node->flag |= jit_flag_patch;
1573 node->u.w = _jit->pc.w;
1574 epilog(node);
1575 _jitc->function = NULL;
1576 break;
1577 case jit_code_va_start:
1578 vastart(rn(node->u.w));
1579 break;
1580 case jit_code_va_arg:
1581 vaarg(rn(node->u.w), rn(node->v.w));
1582 break;
1583 case jit_code_va_arg_d:
1584 vaarg_d(rn(node->u.w), rn(node->v.w));
1585 break;
1586 case jit_code_live: case jit_code_ellipsis:
1587 case jit_code_va_push:
1588 case jit_code_allocai: case jit_code_allocar:
79bfeef6
PC		 1589 case jit_code_arg_c: case jit_code_arg_s:
1590 case jit_code_arg_i:
1591# if __WORDSIZE == 64
1592 case jit_code_arg_l:
1593# endif
4a71579b
PC		 1594 case jit_code_arg_f: case jit_code_arg_d:
1595 case jit_code_va_end:
1596 case jit_code_ret:
79bfeef6
PC		 1597 case jit_code_retr_c: case jit_code_reti_c:
1598 case jit_code_retr_uc: case jit_code_reti_uc:
1599 case jit_code_retr_s: case jit_code_reti_s:
1600 case jit_code_retr_us: case jit_code_reti_us:
1601 case jit_code_retr_i: case jit_code_reti_i:
1602#if __WORDSIZE == 64
1603 case jit_code_retr_ui: case jit_code_reti_ui:
1604 case jit_code_retr_l: case jit_code_reti_l:
1605#endif
4a71579b
PC		 1606 case jit_code_retr_f: case jit_code_reti_f:
1607 case jit_code_retr_d: case jit_code_reti_d:
1608 case jit_code_getarg_c: case jit_code_getarg_uc:
1609 case jit_code_getarg_s: case jit_code_getarg_us:
1610 case jit_code_getarg_i:
1611#if __WORDSIZE == 64
1612 case jit_code_getarg_ui: case jit_code_getarg_l:
1613#endif
1614 case jit_code_getarg_f: case jit_code_getarg_d:
79bfeef6
PC		 1615 case jit_code_putargr_c: case jit_code_putargi_c:
1616 case jit_code_putargr_uc: case jit_code_putargi_uc:
1617 case jit_code_putargr_s: case jit_code_putargi_s:
1618 case jit_code_putargr_us: case jit_code_putargi_us:
1619 case jit_code_putargr_i: case jit_code_putargi_i:
1620#if __WORDSIZE == 64
1621 case jit_code_putargr_ui: case jit_code_putargi_ui:
1622 case jit_code_putargr_l: case jit_code_putargi_l:
1623#endif
4a71579b
PC		 1624 case jit_code_putargr_f: case jit_code_putargi_f:
1625 case jit_code_putargr_d: case jit_code_putargi_d:
79bfeef6
PC		 1626 case jit_code_pushargr_c: case jit_code_pushargi_c:
1627 case jit_code_pushargr_uc: case jit_code_pushargi_uc:
1628 case jit_code_pushargr_s: case jit_code_pushargi_s:
1629 case jit_code_pushargr_us: case jit_code_pushargi_us:
1630 case jit_code_pushargr_i: case jit_code_pushargi_i:
1631#if __WORDSIZE == 64
1632 case jit_code_pushargr_ui: case jit_code_pushargi_ui:
1633 case jit_code_pushargr_l: case jit_code_pushargi_l:
1634#endif
4a71579b
PC		 1635 case jit_code_pushargr_f: case jit_code_pushargi_f:
1636 case jit_code_pushargr_d: case jit_code_pushargi_d:
1637 case jit_code_retval_c: case jit_code_retval_uc:
1638 case jit_code_retval_s: case jit_code_retval_us:
1639 case jit_code_retval_i:
1640#if __WORDSIZE == 64
1641 case jit_code_retval_ui: case jit_code_retval_l:
1642#endif
1643 case jit_code_retval_f: case jit_code_retval_d:
1644 case jit_code_prepare:
1645 case jit_code_finishr: case jit_code_finishi:
1646 break;
1647 default:
1648 abort();
1649 }
1650 jit_regarg_clr(node, value);
1651 assert(_jitc->regarg == 0 && _jitc->synth == 0);
1652 /* update register live state */
1653 jit_reglive(node);
1654 }
1655#undef case_brw
1656#undef case_brr
1657#undef case_wrr
1658#undef case_rrw
1659#undef case_rrr
1660#undef case_wr
1661#undef case_rw
1662#undef case_rr
1663
1664 for (offset = 0; offset < _jitc->patches.offset; offset++) {
1665 node = _jitc->patches.ptr[offset].node;
1666 word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w;
1667 patch_at(_jitc->patches.ptr[offset].inst, word);
1668 }
1669
1670 jit_flush(_jit->code.ptr, _jit->pc.uc);
1671
1672 return (_jit->code.ptr);
1673}
1674
1675#define CODE 1
1676# include "jit_s390-cpu.c"
1677# include "jit_s390-fpu.c"
79bfeef6
PC		 1678# if CHECK_FLOGR
1679# include "jit_fallback.c"
1680# endif
4a71579b
PC		 1681#undef CODE
1682
1683void
1684jit_flush(void *fptr, void *tptr)
1685{
1686#if defined(__GNUC__)
1687 jit_word_t f, t, s;
1688
1689 s = sysconf(_SC_PAGE_SIZE);
1690 f = (jit_word_t)fptr & -s;
1691 t = (((jit_word_t)tptr) + s - 1) & -s;
1692 __clear_cache((void *)f, (void *)t);
1693#endif
1694}
1695
1696void
1697_emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0)
1698{
1699 ldxi(rn(r0), rn(r1), i0);
1700}
1701
1702void
1703_emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1)
1704{
1705 stxi(i0, rn(r0), rn(r1));
1706}
1707
1708void
1709_emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0)
1710{
1711 ldxi_d(rn(r0), rn(r1), i0);
1712}
1713
1714void
1715_emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1)
1716{
1717 stxi_d(i0, rn(r0), rn(r1));
1718}
1719
1720static jit_int32_t
1721_jit_get_reg_pair(jit_state_t *_jit)
1722{
1723 jit_int32_t r1, r2;
1724 /* Try to find a register pair for use with operations that
1725 * require a odd based register pair. Search for the best
1726 * match to avoid spills or at least a valid operation.
1727 */
1728
1729 /* Try non callee save first */
1730 if (jit_reg_free_p(_R0) && jit_reg_free_p(_R1))
1731 r1 = _R0, r2 = _R1;
1732 else if (jit_reg_free_p(_R2) && jit_reg_free_p(_R3))
1733 r1 = _R2, r2 = _R3;
1734 else if (jit_reg_free_p(_R4) && jit_reg_free_p(_R5))
1735 r1 = _R4, r2 = _R5;
1736 /* Try callee save registers */
1737 else if (jit_reg_free_p(_R10) && jit_reg_free_p(_R11))
1738 r1 = _R10, r2 = _R11;
1739 else if (jit_reg_free_p(_R8) && jit_reg_free_p(_R9))
1740 r1 = _R8, r2 = _R9;
1741 else if (jit_reg_free_p(_R6) && jit_reg_free_p(_R7))
1742 r1 = _R6, r2 = _R7;
1743
1744 /* We *must* find a register pair */
1745 else if (jit_reg_free_if_spill_p(_R0) && jit_reg_free_if_spill_p(_R1))
1746 r1 = _R0, r2 = _R1;
1747 else if (jit_reg_free_if_spill_p(_R2) && jit_reg_free_if_spill_p(_R3))
1748 r1 = _R2, r2 = _R3;
1749 else if (jit_reg_free_if_spill_p(_R4) && jit_reg_free_if_spill_p(_R5))
1750 r1 = _R4, r2 = _R5;
1751 else if (jit_reg_free_if_spill_p(_R10) && jit_reg_free_if_spill_p(_R11))
1752 r1 = _R10, r2 = _R11;
1753 else if (jit_reg_free_if_spill_p(_R8) && jit_reg_free_if_spill_p(_R9))
1754 r1 = _R8, r2 = _R9;
1755 else if (jit_reg_free_if_spill_p(_R6) && jit_reg_free_if_spill_p(_R7))
1756 r1 = _R6, r2 = _R7;
1757 else
1758 /* Do not jit_get_reg() all registers to avoid it */
1759 abort();
1760
1761 (void)jit_get_reg(jit_class_gpr|jit_class_named|r1);
1762 (void)jit_get_reg(jit_class_gpr|jit_class_named|r2);
1763
1764 return (r1);
1765}
1766
1767static void
1768_jit_unget_reg_pair(jit_state_t *_jit, jit_int32_t reg)
1769{
1770 jit_int32_t r1, r2;
1771 r1 = reg;
1772 switch (r1) {
1773 case _R0: r2 = _R1; break;
1774 case _R2: r2 = _R3; break;
1775 case _R4: r2 = _R5; break;
1776 case _R6: r2 = _R7; break;
1777 case _R8: r2 = _R9; break;
1778 case _R10: r2 = _R11; break;
1779 default: abort();
1780 }
1781 jit_unget_reg(r1);
1782 jit_unget_reg(r2);
1783}
1784
1785static jit_int32_t
1786_jit_get_reg_but_zero(jit_state_t *_jit, jit_int32_t flags)
1787{
1788 jit_int32_t reg;
1789 reg = jit_get_reg(jit_class_gpr);
1790 if (reg == _R0) {
1791 reg = jit_get_reg(jit_class_gpr|flags);
1792 jit_unget_reg(_R0);
1793 }
1794 return (reg);
1795}
1796
1797static void
1798_patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node)
1799{
1800 jit_int32_t flag;
1801
1802 assert(node->flag & jit_flag_node);
1803 if (node->code == jit_code_movi)
1804 flag = node->v.n->flag;
1805 else
1806 flag = node->u.n->flag;
1807 assert(!(flag & jit_flag_patch));
1808 if (_jitc->patches.offset >= _jitc->patches.length) {
1809 jit_realloc((jit_pointer_t *)&_jitc->patches.ptr,
1810 _jitc->patches.length * sizeof(jit_patch_t),
1811 (_jitc->patches.length + 1024) * sizeof(jit_patch_t));
1812 _jitc->patches.length += 1024;
1813 }
1814 _jitc->patches.ptr[_jitc->patches.offset].inst = instr;
1815 _jitc->patches.ptr[_jitc->patches.offset].node = node;
1816 ++_jitc->patches.offset;
1817}
ARM optimized PCSX fork