This source file includes following definitions.
- sljit_get_platform_name
- push_inst16
- push_inst32
- emit_imm32_const
- modify_imm32_const
- detect_jump_type
- set_jump_instruction
- sljit_generate_code
- get_imm
- load_immediate
- emit_op_imm
- emit_set_delta
- getput_arg_fast
- can_cache
- getput_arg
- emit_op_mem
- emit_op_mem2
- sljit_emit_enter
- sljit_set_context
- sljit_emit_return
- sljit_emit_op0
- sljit_emit_op1
- sljit_emit_op2
- sljit_get_register_index
- sljit_get_float_register_index
- sljit_emit_op_custom
- sljit_is_fpu_available
- emit_fop_mem
- sljit_emit_fop1_convw_fromd
- sljit_emit_fop1_convd_fromw
- sljit_emit_fop1_cmp
- sljit_emit_fop1
- sljit_emit_fop2
- sljit_emit_fast_enter
- sljit_emit_fast_return
- get_cc
- sljit_emit_label
- sljit_emit_jump
- sljit_emit_ijump
- sljit_emit_op_flags
- sljit_emit_const
- sljit_set_jump_addr
- sljit_set_const
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void)
28 {
29 return "ARM-Thumb2" SLJIT_CPUINFO;
30 }
31
32
33 typedef sljit_ui sljit_ins;
34
35
36 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2)
37 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
38 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
39 #define TMP_PC (SLJIT_NUMBER_OF_REGISTERS + 5)
40
41 #define TMP_FREG1 (0)
42 #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1)
43
44
45 static SLJIT_CONST sljit_ub reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
46 0, 0, 1, 2, 12, 11, 10, 9, 8, 7, 6, 5, 13, 3, 4, 14, 15
47 };
48
49 #define COPY_BITS(src, from, to, bits) \
50 ((from >= to ? (src >> (from - to)) : (src << (to - from))) & (((1 << bits) - 1) << to))
51
52
53 #define RD3(rd) (reg_map[rd])
54 #define RN3(rn) (reg_map[rn] << 3)
55 #define RM3(rm) (reg_map[rm] << 6)
56 #define RDN3(rdn) (reg_map[rdn] << 8)
57 #define IMM3(imm) (imm << 6)
58 #define IMM8(imm) (imm)
59
60
61 #define SET_REGS44(rd, rn) \
62 ((reg_map[rn] << 3) | (reg_map[rd] & 0x7) | ((reg_map[rd] & 0x8) << 4))
63 #define IS_2_LO_REGS(reg1, reg2) \
64 (reg_map[reg1] <= 7 && reg_map[reg2] <= 7)
65 #define IS_3_LO_REGS(reg1, reg2, reg3) \
66 (reg_map[reg1] <= 7 && reg_map[reg2] <= 7 && reg_map[reg3] <= 7)
67
68
69 #define RD4(rd) (reg_map[rd] << 8)
70 #define RN4(rn) (reg_map[rn] << 16)
71 #define RM4(rm) (reg_map[rm])
72 #define RT4(rt) (reg_map[rt] << 12)
73 #define DD4(dd) ((dd) << 12)
74 #define DN4(dn) ((dn) << 16)
75 #define DM4(dm) (dm)
76 #define IMM5(imm) \
77 (COPY_BITS(imm, 2, 12, 3) | ((imm & 0x3) << 6))
78 #define IMM12(imm) \
79 (COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff))
80
81
82
83
84
85
86
87 #define ADCI 0xf1400000
88 #define ADCS 0x4140
89 #define ADC_W 0xeb400000
90 #define ADD 0x4400
91 #define ADDS 0x1800
92 #define ADDSI3 0x1c00
93 #define ADDSI8 0x3000
94 #define ADD_W 0xeb000000
95 #define ADDWI 0xf2000000
96 #define ADD_SP 0xb000
97 #define ADD_W 0xeb000000
98 #define ADD_WI 0xf1000000
99 #define ANDI 0xf0000000
100 #define ANDS 0x4000
101 #define AND_W 0xea000000
102 #define ASRS 0x4100
103 #define ASRSI 0x1000
104 #define ASR_W 0xfa40f000
105 #define ASR_WI 0xea4f0020
106 #define BICI 0xf0200000
107 #define BKPT 0xbe00
108 #define BLX 0x4780
109 #define BX 0x4700
110 #define CLZ 0xfab0f080
111 #define CMPI 0x2800
112 #define CMP_W 0xebb00f00
113 #define EORI 0xf0800000
114 #define EORS 0x4040
115 #define EOR_W 0xea800000
116 #define IT 0xbf00
117 #define LSLS 0x4080
118 #define LSLSI 0x0000
119 #define LSL_W 0xfa00f000
120 #define LSL_WI 0xea4f0000
121 #define LSRS 0x40c0
122 #define LSRSI 0x0800
123 #define LSR_W 0xfa20f000
124 #define LSR_WI 0xea4f0010
125 #define MOV 0x4600
126 #define MOVS 0x0000
127 #define MOVSI 0x2000
128 #define MOVT 0xf2c00000
129 #define MOVW 0xf2400000
130 #define MOV_W 0xea4f0000
131 #define MOV_WI 0xf04f0000
132 #define MUL 0xfb00f000
133 #define MVNS 0x43c0
134 #define MVN_W 0xea6f0000
135 #define MVN_WI 0xf06f0000
136 #define NOP 0xbf00
137 #define ORNI 0xf0600000
138 #define ORRI 0xf0400000
139 #define ORRS 0x4300
140 #define ORR_W 0xea400000
141 #define POP 0xbc00
142 #define POP_W 0xe8bd0000
143 #define PUSH 0xb400
144 #define PUSH_W 0xe92d0000
145 #define RSB_WI 0xf1c00000
146 #define RSBSI 0x4240
147 #define SBCI 0xf1600000
148 #define SBCS 0x4180
149 #define SBC_W 0xeb600000
150 #define SMULL 0xfb800000
151 #define STR_SP 0x9000
152 #define SUBS 0x1a00
153 #define SUBSI3 0x1e00
154 #define SUBSI8 0x3800
155 #define SUB_W 0xeba00000
156 #define SUBWI 0xf2a00000
157 #define SUB_SP 0xb080
158 #define SUB_WI 0xf1a00000
159 #define SXTB 0xb240
160 #define SXTB_W 0xfa4ff080
161 #define SXTH 0xb200
162 #define SXTH_W 0xfa0ff080
163 #define TST 0x4200
164 #define UMULL 0xfba00000
165 #define UXTB 0xb2c0
166 #define UXTB_W 0xfa5ff080
167 #define UXTH 0xb280
168 #define UXTH_W 0xfa1ff080
169 #define VABS_F32 0xeeb00ac0
170 #define VADD_F32 0xee300a00
171 #define VCMP_F32 0xeeb40a40
172 #define VCVT_F32_S32 0xeeb80ac0
173 #define VCVT_F64_F32 0xeeb70ac0
174 #define VCVT_S32_F32 0xeebd0ac0
175 #define VDIV_F32 0xee800a00
176 #define VMOV_F32 0xeeb00a40
177 #define VMOV 0xee000a10
178 #define VMRS 0xeef1fa10
179 #define VMUL_F32 0xee200a00
180 #define VNEG_F32 0xeeb10a40
181 #define VSTR_F32 0xed000a00
182 #define VSUB_F32 0xee300a40
183
184 static sljit_si push_inst16(struct sljit_compiler *compiler, sljit_ins inst)
185 {
186 sljit_uh *ptr;
187 SLJIT_ASSERT(!(inst & 0xffff0000));
188
189 ptr = (sljit_uh*)ensure_buf(compiler, sizeof(sljit_uh));
190 FAIL_IF(!ptr);
191 *ptr = inst;
192 compiler->size++;
193 return SLJIT_SUCCESS;
194 }
195
196 static sljit_si push_inst32(struct sljit_compiler *compiler, sljit_ins inst)
197 {
198 sljit_uh *ptr = (sljit_uh*)ensure_buf(compiler, sizeof(sljit_ins));
199 FAIL_IF(!ptr);
200 *ptr++ = inst >> 16;
201 *ptr = inst;
202 compiler->size += 2;
203 return SLJIT_SUCCESS;
204 }
205
206 static SLJIT_INLINE sljit_si emit_imm32_const(struct sljit_compiler *compiler, sljit_si dst, sljit_uw imm)
207 {
208 FAIL_IF(push_inst32(compiler, MOVW | RD4(dst) |
209 COPY_BITS(imm, 12, 16, 4) | COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff)));
210 return push_inst32(compiler, MOVT | RD4(dst) |
211 COPY_BITS(imm, 12 + 16, 16, 4) | COPY_BITS(imm, 11 + 16, 26, 1) | COPY_BITS(imm, 8 + 16, 12, 3) | ((imm & 0xff0000) >> 16));
212 }
213
214 static SLJIT_INLINE void modify_imm32_const(sljit_uh *inst, sljit_uw new_imm)
215 {
216 sljit_si dst = inst[1] & 0x0f00;
217 SLJIT_ASSERT(((inst[0] & 0xfbf0) == (MOVW >> 16)) && ((inst[2] & 0xfbf0) == (MOVT >> 16)) && dst == (inst[3] & 0x0f00));
218 inst[0] = (MOVW >> 16) | COPY_BITS(new_imm, 12, 0, 4) | COPY_BITS(new_imm, 11, 10, 1);
219 inst[1] = dst | COPY_BITS(new_imm, 8, 12, 3) | (new_imm & 0xff);
220 inst[2] = (MOVT >> 16) | COPY_BITS(new_imm, 12 + 16, 0, 4) | COPY_BITS(new_imm, 11 + 16, 10, 1);
221 inst[3] = dst | COPY_BITS(new_imm, 8 + 16, 12, 3) | ((new_imm & 0xff0000) >> 16);
222 }
223
224 static SLJIT_INLINE sljit_si detect_jump_type(struct sljit_jump *jump, sljit_uh *code_ptr, sljit_uh *code)
225 {
226 sljit_sw diff;
227
228 if (jump->flags & SLJIT_REWRITABLE_JUMP)
229 return 0;
230
231 if (jump->flags & JUMP_ADDR) {
232
233 if (!(jump->u.target & 0x1))
234 return 0;
235 diff = ((sljit_sw)jump->u.target - (sljit_sw)(code_ptr + 2)) >> 1;
236 }
237 else {
238 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
239 diff = ((sljit_sw)(code + jump->u.label->size) - (sljit_sw)(code_ptr + 2)) >> 1;
240 }
241
242 if (jump->flags & IS_COND) {
243 SLJIT_ASSERT(!(jump->flags & IS_BL));
244 if (diff <= 127 && diff >= -128) {
245 jump->flags |= PATCH_TYPE1;
246 return 5;
247 }
248 if (diff <= 524287 && diff >= -524288) {
249 jump->flags |= PATCH_TYPE2;
250 return 4;
251 }
252
253 diff--;
254 if (diff <= 8388607 && diff >= -8388608) {
255 jump->flags |= PATCH_TYPE3;
256 return 3;
257 }
258 }
259 else if (jump->flags & IS_BL) {
260 if (diff <= 8388607 && diff >= -8388608) {
261 jump->flags |= PATCH_BL;
262 return 3;
263 }
264 }
265 else {
266 if (diff <= 1023 && diff >= -1024) {
267 jump->flags |= PATCH_TYPE4;
268 return 4;
269 }
270 if (diff <= 8388607 && diff >= -8388608) {
271 jump->flags |= PATCH_TYPE5;
272 return 3;
273 }
274 }
275
276 return 0;
277 }
278
279 static SLJIT_INLINE void set_jump_instruction(struct sljit_jump *jump)
280 {
281 sljit_si type = (jump->flags >> 4) & 0xf;
282 sljit_sw diff;
283 sljit_uh *jump_inst;
284 sljit_si s, j1, j2;
285
286 if (SLJIT_UNLIKELY(type == 0)) {
287 modify_imm32_const((sljit_uh*)jump->addr, (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target);
288 return;
289 }
290
291 if (jump->flags & JUMP_ADDR) {
292 SLJIT_ASSERT(jump->u.target & 0x1);
293 diff = ((sljit_sw)jump->u.target - (sljit_sw)(jump->addr + 4)) >> 1;
294 }
295 else
296 diff = ((sljit_sw)(jump->u.label->addr) - (sljit_sw)(jump->addr + 4)) >> 1;
297 jump_inst = (sljit_uh*)jump->addr;
298
299 switch (type) {
300 case 1:
301
302 SLJIT_ASSERT(diff <= 127 && diff >= -128 && (jump->flags & IS_COND));
303 jump_inst[0] = 0xd000 | (jump->flags & 0xf00) | (diff & 0xff);
304 return;
305 case 2:
306
307 SLJIT_ASSERT(diff <= 524287 && diff >= -524288 && (jump->flags & IS_COND));
308 jump_inst[0] = 0xf000 | COPY_BITS(jump->flags, 8, 6, 4) | COPY_BITS(diff, 11, 0, 6) | COPY_BITS(diff, 19, 10, 1);
309 jump_inst[1] = 0x8000 | COPY_BITS(diff, 17, 13, 1) | COPY_BITS(diff, 18, 11, 1) | (diff & 0x7ff);
310 return;
311 case 3:
312 SLJIT_ASSERT(jump->flags & IS_COND);
313 *jump_inst++ = IT | ((jump->flags >> 4) & 0xf0) | 0x8;
314 diff--;
315 type = 5;
316 break;
317 case 4:
318
319 SLJIT_ASSERT(diff <= 1023 && diff >= -1024 && !(jump->flags & IS_COND));
320 jump_inst[0] = 0xe000 | (diff & 0x7ff);
321 return;
322 }
323
324 SLJIT_ASSERT(diff <= 8388607 && diff >= -8388608);
325
326
327 s = (diff >> 23) & 0x1;
328 j1 = (~(diff >> 21) ^ s) & 0x1;
329 j2 = (~(diff >> 22) ^ s) & 0x1;
330 jump_inst[0] = 0xf000 | (s << 10) | COPY_BITS(diff, 11, 0, 10);
331 jump_inst[1] = (j1 << 13) | (j2 << 11) | (diff & 0x7ff);
332
333
334 if (type == 5)
335 jump_inst[1] |= 0x9000;
336 else if (type == 6)
337 jump_inst[1] |= 0xd000;
338 else
339 SLJIT_ASSERT_STOP();
340 }
341
342 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
343 {
344 struct sljit_memory_fragment *buf;
345 sljit_uh *code;
346 sljit_uh *code_ptr;
347 sljit_uh *buf_ptr;
348 sljit_uh *buf_end;
349 sljit_uw half_count;
350
351 struct sljit_label *label;
352 struct sljit_jump *jump;
353 struct sljit_const *const_;
354
355 CHECK_ERROR_PTR();
356 CHECK_PTR(check_sljit_generate_code(compiler));
357 reverse_buf(compiler);
358
359 code = (sljit_uh*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_uh));
360 PTR_FAIL_WITH_EXEC_IF(code);
361 buf = compiler->buf;
362
363 code_ptr = code;
364 half_count = 0;
365 label = compiler->labels;
366 jump = compiler->jumps;
367 const_ = compiler->consts;
368
369 do {
370 buf_ptr = (sljit_uh*)buf->memory;
371 buf_end = buf_ptr + (buf->used_size >> 1);
372 do {
373 *code_ptr = *buf_ptr++;
374
375 SLJIT_ASSERT(!label || label->size >= half_count);
376 SLJIT_ASSERT(!jump || jump->addr >= half_count);
377 SLJIT_ASSERT(!const_ || const_->addr >= half_count);
378 if (label && label->size == half_count) {
379 label->addr = ((sljit_uw)code_ptr) | 0x1;
380 label->size = code_ptr - code;
381 label = label->next;
382 }
383 if (jump && jump->addr == half_count) {
384 jump->addr = (sljit_uw)code_ptr - ((jump->flags & IS_COND) ? 10 : 8);
385 code_ptr -= detect_jump_type(jump, code_ptr, code);
386 jump = jump->next;
387 }
388 if (const_ && const_->addr == half_count) {
389 const_->addr = (sljit_uw)code_ptr;
390 const_ = const_->next;
391 }
392 code_ptr ++;
393 half_count ++;
394 } while (buf_ptr < buf_end);
395
396 buf = buf->next;
397 } while (buf);
398
399 if (label && label->size == half_count) {
400 label->addr = ((sljit_uw)code_ptr) | 0x1;
401 label->size = code_ptr - code;
402 label = label->next;
403 }
404
405 SLJIT_ASSERT(!label);
406 SLJIT_ASSERT(!jump);
407 SLJIT_ASSERT(!const_);
408 SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size);
409
410 jump = compiler->jumps;
411 while (jump) {
412 set_jump_instruction(jump);
413 jump = jump->next;
414 }
415
416 compiler->error = SLJIT_ERR_COMPILED;
417 compiler->executable_size = (code_ptr - code) * sizeof(sljit_uh);
418 SLJIT_CACHE_FLUSH(code, code_ptr);
419
420 return (void*)((sljit_uw)code | 0x1);
421 }
422
423
424
425
426
427 #define INVALID_IMM 0x80000000
428 static sljit_uw get_imm(sljit_uw imm)
429 {
430
431 sljit_si counter;
432
433 if (imm <= 0xff)
434 return imm;
435
436 if ((imm & 0xffff) == (imm >> 16)) {
437
438 if (!(imm & 0xff00))
439 return (1 << 12) | (imm & 0xff);
440 if (!(imm & 0xff))
441 return (2 << 12) | ((imm >> 8) & 0xff);
442 if ((imm & 0xff00) == ((imm & 0xff) << 8))
443 return (3 << 12) | (imm & 0xff);
444 }
445
446
447 counter = 8;
448 if (!(imm & 0xffff0000)) {
449 counter += 16;
450 imm <<= 16;
451 }
452 if (!(imm & 0xff000000)) {
453 counter += 8;
454 imm <<= 8;
455 }
456 if (!(imm & 0xf0000000)) {
457 counter += 4;
458 imm <<= 4;
459 }
460 if (!(imm & 0xc0000000)) {
461 counter += 2;
462 imm <<= 2;
463 }
464 if (!(imm & 0x80000000)) {
465 counter += 1;
466 imm <<= 1;
467 }
468
469 SLJIT_ASSERT(counter <= 31);
470
471 if (imm & 0x00ffffff)
472 return INVALID_IMM;
473
474 return ((imm >> 24) & 0x7f) | COPY_BITS(counter, 4, 26, 1) | COPY_BITS(counter, 1, 12, 3) | COPY_BITS(counter, 0, 7, 1);
475 }
476
477 static sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si dst, sljit_uw imm)
478 {
479 sljit_uw tmp;
480
481 if (imm >= 0x10000) {
482 tmp = get_imm(imm);
483 if (tmp != INVALID_IMM)
484 return push_inst32(compiler, MOV_WI | RD4(dst) | tmp);
485 tmp = get_imm(~imm);
486 if (tmp != INVALID_IMM)
487 return push_inst32(compiler, MVN_WI | RD4(dst) | tmp);
488 }
489
490
491 FAIL_IF(push_inst32(compiler, MOVW | RD4(dst) |
492 COPY_BITS(imm, 12, 16, 4) | COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff)));
493
494
495 if (imm >= 0x10000)
496 return push_inst32(compiler, MOVT | RD4(dst) |
497 COPY_BITS(imm, 12 + 16, 16, 4) | COPY_BITS(imm, 11 + 16, 26, 1) | COPY_BITS(imm, 8 + 16, 12, 3) | ((imm & 0xff0000) >> 16));
498 return SLJIT_SUCCESS;
499 }
500
501 #define ARG1_IMM 0x0010000
502 #define ARG2_IMM 0x0020000
503 #define KEEP_FLAGS 0x0040000
504
505 #define SET_FLAGS 0x0100000
506 #define UNUSED_RETURN 0x0200000
507 #define SLOW_DEST 0x0400000
508 #define SLOW_SRC1 0x0800000
509 #define SLOW_SRC2 0x1000000
510
511 static sljit_si emit_op_imm(struct sljit_compiler *compiler, sljit_si flags, sljit_si dst, sljit_uw arg1, sljit_uw arg2)
512 {
513
514
515
516 sljit_si reg;
517 sljit_uw imm, nimm;
518
519 if (SLJIT_UNLIKELY((flags & (ARG1_IMM | ARG2_IMM)) == (ARG1_IMM | ARG2_IMM))) {
520
521 flags &= ~ARG1_IMM;
522 FAIL_IF(load_immediate(compiler, TMP_REG1, arg1));
523 arg1 = TMP_REG1;
524 }
525
526 if (flags & (ARG1_IMM | ARG2_IMM)) {
527 reg = (flags & ARG2_IMM) ? arg1 : arg2;
528 imm = (flags & ARG2_IMM) ? arg2 : arg1;
529
530 switch (flags & 0xffff) {
531 case SLJIT_CLZ:
532 case SLJIT_MUL:
533
534 break;
535 case SLJIT_MOV:
536 SLJIT_ASSERT(!(flags & SET_FLAGS) && (flags & ARG2_IMM) && arg1 == TMP_REG1);
537 return load_immediate(compiler, dst, imm);
538 case SLJIT_NOT:
539 if (!(flags & SET_FLAGS))
540 return load_immediate(compiler, dst, ~imm);
541
542
543 break;
544 case SLJIT_ADD:
545 nimm = -imm;
546 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(reg, dst)) {
547 if (imm <= 0x7)
548 return push_inst16(compiler, ADDSI3 | IMM3(imm) | RD3(dst) | RN3(reg));
549 if (nimm <= 0x7)
550 return push_inst16(compiler, SUBSI3 | IMM3(nimm) | RD3(dst) | RN3(reg));
551 if (reg == dst) {
552 if (imm <= 0xff)
553 return push_inst16(compiler, ADDSI8 | IMM8(imm) | RDN3(dst));
554 if (nimm <= 0xff)
555 return push_inst16(compiler, SUBSI8 | IMM8(nimm) | RDN3(dst));
556 }
557 }
558 if (!(flags & SET_FLAGS)) {
559 if (imm <= 0xfff)
560 return push_inst32(compiler, ADDWI | RD4(dst) | RN4(reg) | IMM12(imm));
561 if (nimm <= 0xfff)
562 return push_inst32(compiler, SUBWI | RD4(dst) | RN4(reg) | IMM12(nimm));
563 }
564 imm = get_imm(imm);
565 if (imm != INVALID_IMM)
566 return push_inst32(compiler, ADD_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
567 break;
568 case SLJIT_ADDC:
569 imm = get_imm(imm);
570 if (imm != INVALID_IMM)
571 return push_inst32(compiler, ADCI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
572 break;
573 case SLJIT_SUB:
574 if (flags & ARG1_IMM) {
575 if (!(flags & KEEP_FLAGS) && imm == 0 && IS_2_LO_REGS(reg, dst))
576 return push_inst16(compiler, RSBSI | RD3(dst) | RN3(reg));
577 imm = get_imm(imm);
578 if (imm != INVALID_IMM)
579 return push_inst32(compiler, RSB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
580 break;
581 }
582 nimm = -imm;
583 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(reg, dst)) {
584 if (imm <= 0x7)
585 return push_inst16(compiler, SUBSI3 | IMM3(imm) | RD3(dst) | RN3(reg));
586 if (nimm <= 0x7)
587 return push_inst16(compiler, ADDSI3 | IMM3(nimm) | RD3(dst) | RN3(reg));
588 if (reg == dst) {
589 if (imm <= 0xff)
590 return push_inst16(compiler, SUBSI8 | IMM8(imm) | RDN3(dst));
591 if (nimm <= 0xff)
592 return push_inst16(compiler, ADDSI8 | IMM8(nimm) | RDN3(dst));
593 }
594 if (imm <= 0xff && (flags & UNUSED_RETURN))
595 return push_inst16(compiler, CMPI | IMM8(imm) | RDN3(reg));
596 }
597 if (!(flags & SET_FLAGS)) {
598 if (imm <= 0xfff)
599 return push_inst32(compiler, SUBWI | RD4(dst) | RN4(reg) | IMM12(imm));
600 if (nimm <= 0xfff)
601 return push_inst32(compiler, ADDWI | RD4(dst) | RN4(reg) | IMM12(nimm));
602 }
603 imm = get_imm(imm);
604 if (imm != INVALID_IMM)
605 return push_inst32(compiler, SUB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
606 break;
607 case SLJIT_SUBC:
608 if (flags & ARG1_IMM)
609 break;
610 imm = get_imm(imm);
611 if (imm != INVALID_IMM)
612 return push_inst32(compiler, SBCI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
613 break;
614 case SLJIT_AND:
615 nimm = get_imm(imm);
616 if (nimm != INVALID_IMM)
617 return push_inst32(compiler, ANDI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
618 imm = get_imm(imm);
619 if (imm != INVALID_IMM)
620 return push_inst32(compiler, BICI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
621 break;
622 case SLJIT_OR:
623 nimm = get_imm(imm);
624 if (nimm != INVALID_IMM)
625 return push_inst32(compiler, ORRI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | nimm);
626 imm = get_imm(imm);
627 if (imm != INVALID_IMM)
628 return push_inst32(compiler, ORNI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
629 break;
630 case SLJIT_XOR:
631 imm = get_imm(imm);
632 if (imm != INVALID_IMM)
633 return push_inst32(compiler, EORI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm);
634 break;
635 case SLJIT_SHL:
636 case SLJIT_LSHR:
637 case SLJIT_ASHR:
638 if (flags & ARG1_IMM)
639 break;
640 imm &= 0x1f;
641 if (imm == 0) {
642 if (!(flags & SET_FLAGS))
643 return push_inst16(compiler, MOV | SET_REGS44(dst, reg));
644 if (IS_2_LO_REGS(dst, reg))
645 return push_inst16(compiler, MOVS | RD3(dst) | RN3(reg));
646 return push_inst32(compiler, MOV_W | SET_FLAGS | RD4(dst) | RM4(reg));
647 }
648 switch (flags & 0xffff) {
649 case SLJIT_SHL:
650 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg))
651 return push_inst16(compiler, LSLSI | RD3(dst) | RN3(reg) | (imm << 6));
652 return push_inst32(compiler, LSL_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm));
653 case SLJIT_LSHR:
654 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg))
655 return push_inst16(compiler, LSRSI | RD3(dst) | RN3(reg) | (imm << 6));
656 return push_inst32(compiler, LSR_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm));
657 default:
658 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg))
659 return push_inst16(compiler, ASRSI | RD3(dst) | RN3(reg) | (imm << 6));
660 return push_inst32(compiler, ASR_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm));
661 }
662 default:
663 SLJIT_ASSERT_STOP();
664 break;
665 }
666
667 if (flags & ARG2_IMM) {
668 FAIL_IF(load_immediate(compiler, TMP_REG2, arg2));
669 arg2 = TMP_REG2;
670 }
671 else {
672 FAIL_IF(load_immediate(compiler, TMP_REG1, arg1));
673 arg1 = TMP_REG1;
674 }
675 }
676
677
678 switch (flags & 0xffff) {
679 case SLJIT_MOV:
680 case SLJIT_MOV_UI:
681 case SLJIT_MOV_SI:
682 case SLJIT_MOV_P:
683 case SLJIT_MOVU:
684 case SLJIT_MOVU_UI:
685 case SLJIT_MOVU_SI:
686 case SLJIT_MOVU_P:
687 SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
688 if (dst == arg2)
689 return SLJIT_SUCCESS;
690 return push_inst16(compiler, MOV | SET_REGS44(dst, arg2));
691 case SLJIT_MOV_UB:
692 case SLJIT_MOVU_UB:
693 SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
694 if (IS_2_LO_REGS(dst, arg2))
695 return push_inst16(compiler, UXTB | RD3(dst) | RN3(arg2));
696 return push_inst32(compiler, UXTB_W | RD4(dst) | RM4(arg2));
697 case SLJIT_MOV_SB:
698 case SLJIT_MOVU_SB:
699 SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
700 if (IS_2_LO_REGS(dst, arg2))
701 return push_inst16(compiler, SXTB | RD3(dst) | RN3(arg2));
702 return push_inst32(compiler, SXTB_W | RD4(dst) | RM4(arg2));
703 case SLJIT_MOV_UH:
704 case SLJIT_MOVU_UH:
705 SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
706 if (IS_2_LO_REGS(dst, arg2))
707 return push_inst16(compiler, UXTH | RD3(dst) | RN3(arg2));
708 return push_inst32(compiler, UXTH_W | RD4(dst) | RM4(arg2));
709 case SLJIT_MOV_SH:
710 case SLJIT_MOVU_SH:
711 SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1);
712 if (IS_2_LO_REGS(dst, arg2))
713 return push_inst16(compiler, SXTH | RD3(dst) | RN3(arg2));
714 return push_inst32(compiler, SXTH_W | RD4(dst) | RM4(arg2));
715 case SLJIT_NOT:
716 SLJIT_ASSERT(arg1 == TMP_REG1);
717 if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
718 return push_inst16(compiler, MVNS | RD3(dst) | RN3(arg2));
719 return push_inst32(compiler, MVN_W | (flags & SET_FLAGS) | RD4(dst) | RM4(arg2));
720 case SLJIT_CLZ:
721 SLJIT_ASSERT(arg1 == TMP_REG1);
722 FAIL_IF(push_inst32(compiler, CLZ | RN4(arg2) | RD4(dst) | RM4(arg2)));
723 if (flags & SET_FLAGS) {
724 if (reg_map[dst] <= 7)
725 return push_inst16(compiler, CMPI | RDN3(dst));
726 return push_inst32(compiler, ADD_WI | SET_FLAGS | RN4(dst) | RD4(dst));
727 }
728 return SLJIT_SUCCESS;
729 case SLJIT_ADD:
730 if (!(flags & KEEP_FLAGS) && IS_3_LO_REGS(dst, arg1, arg2))
731 return push_inst16(compiler, ADDS | RD3(dst) | RN3(arg1) | RM3(arg2));
732 if (dst == arg1 && !(flags & SET_FLAGS))
733 return push_inst16(compiler, ADD | SET_REGS44(dst, arg2));
734 return push_inst32(compiler, ADD_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
735 case SLJIT_ADDC:
736 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
737 return push_inst16(compiler, ADCS | RD3(dst) | RN3(arg2));
738 return push_inst32(compiler, ADC_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
739 case SLJIT_SUB:
740 if (!(flags & KEEP_FLAGS) && IS_3_LO_REGS(dst, arg1, arg2))
741 return push_inst16(compiler, SUBS | RD3(dst) | RN3(arg1) | RM3(arg2));
742 return push_inst32(compiler, SUB_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
743 case SLJIT_SUBC:
744 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
745 return push_inst16(compiler, SBCS | RD3(dst) | RN3(arg2));
746 return push_inst32(compiler, SBC_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
747 case SLJIT_MUL:
748 if (!(flags & SET_FLAGS))
749 return push_inst32(compiler, MUL | RD4(dst) | RN4(arg1) | RM4(arg2));
750 SLJIT_ASSERT(reg_map[TMP_REG2] <= 7 && dst != TMP_REG2);
751 FAIL_IF(push_inst32(compiler, SMULL | RT4(dst) | RD4(TMP_REG2) | RN4(arg1) | RM4(arg2)));
752
753 return push_inst32(compiler, CMP_W | RN4(TMP_REG2) | 0x70e0 | RM4(dst));
754 case SLJIT_AND:
755 if (!(flags & KEEP_FLAGS)) {
756 if (dst == arg1 && IS_2_LO_REGS(dst, arg2))
757 return push_inst16(compiler, ANDS | RD3(dst) | RN3(arg2));
758 if ((flags & UNUSED_RETURN) && IS_2_LO_REGS(arg1, arg2))
759 return push_inst16(compiler, TST | RD3(arg1) | RN3(arg2));
760 }
761 return push_inst32(compiler, AND_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
762 case SLJIT_OR:
763 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
764 return push_inst16(compiler, ORRS | RD3(dst) | RN3(arg2));
765 return push_inst32(compiler, ORR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
766 case SLJIT_XOR:
767 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
768 return push_inst16(compiler, EORS | RD3(dst) | RN3(arg2));
769 return push_inst32(compiler, EOR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
770 case SLJIT_SHL:
771 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
772 return push_inst16(compiler, LSLS | RD3(dst) | RN3(arg2));
773 return push_inst32(compiler, LSL_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
774 case SLJIT_LSHR:
775 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
776 return push_inst16(compiler, LSRS | RD3(dst) | RN3(arg2));
777 return push_inst32(compiler, LSR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
778 case SLJIT_ASHR:
779 if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2))
780 return push_inst16(compiler, ASRS | RD3(dst) | RN3(arg2));
781 return push_inst32(compiler, ASR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2));
782 }
783
784 SLJIT_ASSERT_STOP();
785 return SLJIT_SUCCESS;
786 }
787
788 #define STORE 0x01
789 #define SIGNED 0x02
790
791 #define WORD_SIZE 0x00
792 #define BYTE_SIZE 0x04
793 #define HALF_SIZE 0x08
794
795 #define UPDATE 0x10
796 #define ARG_TEST 0x20
797
798 #define IS_WORD_SIZE(flags) (!(flags & (BYTE_SIZE | HALF_SIZE)))
799 #define OFFSET_CHECK(imm, shift) (!(argw & ~(imm << shift)))
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816 static SLJIT_CONST sljit_ins sljit_mem16[12] = {
817 0x5800 ,
818 0x5000 ,
819 0x5800 ,
820 0x5000 ,
821
822 0x5c00 ,
823 0x5400 ,
824 0x5600 ,
825 0x5400 ,
826
827 0x5a00 ,
828 0x5200 ,
829 0x5e00 ,
830 0x5200 ,
831 };
832
833 static SLJIT_CONST sljit_ins sljit_mem16_imm5[12] = {
834 0x6800 ,
835 0x6000 ,
836 0x6800 ,
837 0x6000 ,
838
839 0x7800 ,
840 0x7000 ,
841 0x0000 ,
842 0x7000 ,
843
844 0x8800 ,
845 0x8000 ,
846 0x0000 ,
847 0x8000 ,
848 };
849
850 #define MEM_IMM8 0xc00
851 #define MEM_IMM12 0x800000
852 static SLJIT_CONST sljit_ins sljit_mem32[12] = {
853 0xf8500000 ,
854 0xf8400000 ,
855 0xf8500000 ,
856 0xf8400000 ,
857
858 0xf8100000 ,
859 0xf8000000 ,
860 0xf9100000 ,
861 0xf8000000 ,
862
863 0xf8300000 ,
864 0xf8200000 ,
865 0xf9300000 ,
866 0xf8200000 ,
867 };
868
869
870 static sljit_si emit_set_delta(struct sljit_compiler *compiler, sljit_si dst, sljit_si reg, sljit_sw value)
871 {
872 if (value >= 0) {
873 if (value <= 0xfff)
874 return push_inst32(compiler, ADDWI | RD4(dst) | RN4(reg) | IMM12(value));
875 value = get_imm(value);
876 if (value != INVALID_IMM)
877 return push_inst32(compiler, ADD_WI | RD4(dst) | RN4(reg) | value);
878 }
879 else {
880 value = -value;
881 if (value <= 0xfff)
882 return push_inst32(compiler, SUBWI | RD4(dst) | RN4(reg) | IMM12(value));
883 value = get_imm(value);
884 if (value != INVALID_IMM)
885 return push_inst32(compiler, SUB_WI | RD4(dst) | RN4(reg) | value);
886 }
887 return SLJIT_ERR_UNSUPPORTED;
888 }
889
890
891 static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
892 {
893 sljit_si other_r, shift;
894
895 SLJIT_ASSERT(arg & SLJIT_MEM);
896
897 if (SLJIT_UNLIKELY(flags & UPDATE)) {
898 if ((arg & REG_MASK) && !(arg & OFFS_REG_MASK) && argw <= 0xff && argw >= -0xff) {
899 if (SLJIT_UNLIKELY(flags & ARG_TEST))
900 return 1;
901
902 flags &= ~UPDATE;
903 arg &= 0xf;
904 if (argw >= 0)
905 argw |= 0x200;
906 else {
907 argw = -argw;
908 }
909
910 SLJIT_ASSERT(argw >= 0 && (argw & 0xff) <= 0xff);
911 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(arg) | 0x100 | argw));
912 return -1;
913 }
914 return 0;
915 }
916
917 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
918 if (SLJIT_UNLIKELY(flags & ARG_TEST))
919 return 1;
920
921 argw &= 0x3;
922 other_r = OFFS_REG(arg);
923 arg &= 0xf;
924
925 if (!argw && IS_3_LO_REGS(reg, arg, other_r))
926 FAIL_IF(push_inst16(compiler, sljit_mem16[flags] | RD3(reg) | RN3(arg) | RM3(other_r)));
927 else
928 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(other_r) | (argw << 4)));
929 return -1;
930 }
931
932 if (!(arg & REG_MASK) || argw > 0xfff || argw < -0xff)
933 return 0;
934
935 if (SLJIT_UNLIKELY(flags & ARG_TEST))
936 return 1;
937
938 arg &= 0xf;
939 if (IS_2_LO_REGS(reg, arg) && sljit_mem16_imm5[flags]) {
940 shift = 3;
941 if (IS_WORD_SIZE(flags)) {
942 if (OFFSET_CHECK(0x1f, 2))
943 shift = 2;
944 }
945 else if (flags & BYTE_SIZE)
946 {
947 if (OFFSET_CHECK(0x1f, 0))
948 shift = 0;
949 }
950 else {
951 SLJIT_ASSERT(flags & HALF_SIZE);
952 if (OFFSET_CHECK(0x1f, 1))
953 shift = 1;
954 }
955
956 if (shift != 3) {
957 FAIL_IF(push_inst16(compiler, sljit_mem16_imm5[flags] | RD3(reg) | RN3(arg) | (argw << (6 - shift))));
958 return -1;
959 }
960 }
961
962
963 if (SLJIT_UNLIKELY(arg == SLJIT_SP) && OFFSET_CHECK(0xff, 2) && IS_WORD_SIZE(flags) && reg_map[reg] <= 7) {
964 FAIL_IF(push_inst16(compiler, STR_SP | ((flags & STORE) ? 0 : 0x800) | RDN3(reg) | (argw >> 2)));
965 return -1;
966 }
967
968 if (argw >= 0)
969 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(arg) | argw));
970 else
971 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(arg) | -argw));
972 return -1;
973 }
974
975
976
977
978 static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
979 {
980 sljit_sw diff;
981 if ((arg & OFFS_REG_MASK) || !(next_arg & SLJIT_MEM))
982 return 0;
983
984 if (!(arg & REG_MASK)) {
985 diff = argw - next_argw;
986 if (diff <= 0xfff && diff >= -0xfff)
987 return 1;
988 return 0;
989 }
990
991 if (argw == next_argw)
992 return 1;
993
994 diff = argw - next_argw;
995 if (arg == next_arg && diff <= 0xfff && diff >= -0xfff)
996 return 1;
997
998 return 0;
999 }
1000
1001
1002 static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg,
1003 sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw)
1004 {
1005 sljit_si tmp_r, other_r;
1006 sljit_sw diff;
1007
1008 SLJIT_ASSERT(arg & SLJIT_MEM);
1009 if (!(next_arg & SLJIT_MEM)) {
1010 next_arg = 0;
1011 next_argw = 0;
1012 }
1013
1014 tmp_r = (flags & STORE) ? TMP_REG3 : reg;
1015
1016 if (SLJIT_UNLIKELY((flags & UPDATE) && (arg & REG_MASK))) {
1017
1018
1019 other_r = OFFS_REG(arg);
1020 arg &= 0xf;
1021 flags &= ~UPDATE;
1022
1023 if (!other_r) {
1024 if (!(argw & ~0xfff)) {
1025 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(arg) | argw));
1026 return push_inst32(compiler, ADDWI | RD4(arg) | RN4(arg) | IMM12(argw));
1027 }
1028
1029 if (compiler->cache_arg == SLJIT_MEM) {
1030 if (argw == compiler->cache_argw) {
1031 other_r = TMP_REG3;
1032 argw = 0;
1033 }
1034 else if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, argw - compiler->cache_argw) != SLJIT_ERR_UNSUPPORTED) {
1035 FAIL_IF(compiler->error);
1036 compiler->cache_argw = argw;
1037 other_r = TMP_REG3;
1038 argw = 0;
1039 }
1040 }
1041
1042 if (argw) {
1043 FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
1044 compiler->cache_arg = SLJIT_MEM;
1045 compiler->cache_argw = argw;
1046 other_r = TMP_REG3;
1047 argw = 0;
1048 }
1049 }
1050
1051 argw &= 0x3;
1052 if (!argw && IS_3_LO_REGS(reg, arg, other_r)) {
1053 FAIL_IF(push_inst16(compiler, sljit_mem16[flags] | RD3(reg) | RN3(arg) | RM3(other_r)));
1054 return push_inst16(compiler, ADD | SET_REGS44(arg, other_r));
1055 }
1056 FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(other_r) | (argw << 4)));
1057 return push_inst32(compiler, ADD_W | RD4(arg) | RN4(arg) | RM4(other_r) | (argw << 6));
1058 }
1059 flags &= ~UPDATE;
1060
1061 SLJIT_ASSERT(!(arg & OFFS_REG_MASK));
1062
1063 if (compiler->cache_arg == arg) {
1064 diff = argw - compiler->cache_argw;
1065 if (!(diff & ~0xfff))
1066 return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | diff);
1067 if (!((compiler->cache_argw - argw) & ~0xff))
1068 return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(TMP_REG3) | (compiler->cache_argw - argw));
1069 if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, diff) != SLJIT_ERR_UNSUPPORTED) {
1070 FAIL_IF(compiler->error);
1071 return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | 0);
1072 }
1073 }
1074
1075 next_arg = (arg & REG_MASK) && (arg == next_arg) && (argw != next_argw);
1076 arg &= 0xf;
1077 if (arg && compiler->cache_arg == SLJIT_MEM) {
1078 if (compiler->cache_argw == argw)
1079 return push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(TMP_REG3));
1080 if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, argw - compiler->cache_argw) != SLJIT_ERR_UNSUPPORTED) {
1081 FAIL_IF(compiler->error);
1082 compiler->cache_argw = argw;
1083 return push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(TMP_REG3));
1084 }
1085 }
1086
1087 compiler->cache_argw = argw;
1088 if (next_arg && emit_set_delta(compiler, TMP_REG3, arg, argw) != SLJIT_ERR_UNSUPPORTED) {
1089 FAIL_IF(compiler->error);
1090 compiler->cache_arg = SLJIT_MEM | arg;
1091 arg = 0;
1092 }
1093 else {
1094 FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
1095 compiler->cache_arg = SLJIT_MEM;
1096
1097 diff = argw - next_argw;
1098 if (next_arg && diff <= 0xfff && diff >= -0xfff) {
1099 FAIL_IF(push_inst16(compiler, ADD | SET_REGS44(TMP_REG3, arg)));
1100 compiler->cache_arg = SLJIT_MEM | arg;
1101 arg = 0;
1102 }
1103 }
1104
1105 if (arg)
1106 return push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(TMP_REG3));
1107 return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | 0);
1108 }
1109
1110 static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
1111 {
1112 if (getput_arg_fast(compiler, flags, reg, arg, argw))
1113 return compiler->error;
1114 compiler->cache_arg = 0;
1115 compiler->cache_argw = 0;
1116 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
1117 }
1118
1119 static SLJIT_INLINE sljit_si emit_op_mem2(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg1, sljit_sw arg1w, sljit_si arg2, sljit_sw arg2w)
1120 {
1121 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
1122 return compiler->error;
1123 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
1124 }
1125
1126
1127
1128
1129
1130 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler,
1131 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
1132 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
1133 {
1134 sljit_si size, i, tmp;
1135 sljit_ins push;
1136
1137 CHECK_ERROR();
1138 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
1139 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
1140
1141 push = (1 << 4);
1142
1143 tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG;
1144 for (i = SLJIT_S0; i >= tmp; i--)
1145 push |= 1 << reg_map[i];
1146
1147 for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--)
1148 push |= 1 << reg_map[i];
1149
1150 FAIL_IF((push & 0xff00)
1151 ? push_inst32(compiler, PUSH_W | (1 << 14) | push)
1152 : push_inst16(compiler, PUSH | (1 << 8) | push));
1153
1154
1155 size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 2);
1156 local_size = ((size + local_size + 7) & ~7) - size;
1157 compiler->local_size = local_size;
1158 if (local_size > 0) {
1159 if (local_size <= (127 << 2))
1160 FAIL_IF(push_inst16(compiler, SUB_SP | (local_size >> 2)));
1161 else
1162 FAIL_IF(emit_op_imm(compiler, SLJIT_SUB | ARG2_IMM, SLJIT_SP, SLJIT_SP, local_size));
1163 }
1164
1165 if (args >= 1)
1166 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_S0, SLJIT_R0)));
1167 if (args >= 2)
1168 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_S1, SLJIT_R1)));
1169 if (args >= 3)
1170 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_S2, SLJIT_R2)));
1171
1172 return SLJIT_SUCCESS;
1173 }
1174
1175 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_set_context(struct sljit_compiler *compiler,
1176 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
1177 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
1178 {
1179 sljit_si size;
1180
1181 CHECK_ERROR();
1182 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
1183 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
1184
1185 size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 2);
1186 compiler->local_size = ((size + local_size + 7) & ~7) - size;
1187 return SLJIT_SUCCESS;
1188 }
1189
1190 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
1191 {
1192 sljit_si i, tmp;
1193 sljit_ins pop;
1194
1195 CHECK_ERROR();
1196 CHECK(check_sljit_emit_return(compiler, op, src, srcw));
1197
1198 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
1199
1200 if (compiler->local_size > 0) {
1201 if (compiler->local_size <= (127 << 2))
1202 FAIL_IF(push_inst16(compiler, ADD_SP | (compiler->local_size >> 2)));
1203 else
1204 FAIL_IF(emit_op_imm(compiler, SLJIT_ADD | ARG2_IMM, SLJIT_SP, SLJIT_SP, compiler->local_size));
1205 }
1206
1207 pop = (1 << 4);
1208
1209 tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG;
1210 for (i = SLJIT_S0; i >= tmp; i--)
1211 pop |= 1 << reg_map[i];
1212
1213 for (i = compiler->scratches; i >= SLJIT_FIRST_SAVED_REG; i--)
1214 pop |= 1 << reg_map[i];
1215
1216 return (pop & 0xff00)
1217 ? push_inst32(compiler, POP_W | (1 << 15) | pop)
1218 : push_inst16(compiler, POP | (1 << 8) | pop);
1219 }
1220
1221
1222
1223
1224
1225 #ifdef __cplusplus
1226 extern "C" {
1227 #endif
1228
1229 #if defined(__GNUC__)
1230 extern unsigned int __aeabi_uidivmod(unsigned int numerator, int unsigned denominator);
1231 extern int __aeabi_idivmod(int numerator, int denominator);
1232 #else
1233 #error "Software divmod functions are needed"
1234 #endif
1235
1236 #ifdef __cplusplus
1237 }
1238 #endif
1239
1240 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
1241 {
1242 sljit_sw saved_reg_list[3];
1243 sljit_sw saved_reg_count;
1244
1245 CHECK_ERROR();
1246 CHECK(check_sljit_emit_op0(compiler, op));
1247
1248 op = GET_OPCODE(op);
1249 switch (op) {
1250 case SLJIT_BREAKPOINT:
1251 return push_inst16(compiler, BKPT);
1252 case SLJIT_NOP:
1253 return push_inst16(compiler, NOP);
1254 case SLJIT_LUMUL:
1255 case SLJIT_LSMUL:
1256 return push_inst32(compiler, (op == SLJIT_LUMUL ? UMULL : SMULL)
1257 | (reg_map[SLJIT_R1] << 8)
1258 | (reg_map[SLJIT_R0] << 12)
1259 | (reg_map[SLJIT_R0] << 16)
1260 | reg_map[SLJIT_R1]);
1261 case SLJIT_UDIVMOD:
1262 case SLJIT_SDIVMOD:
1263 case SLJIT_UDIVI:
1264 case SLJIT_SDIVI:
1265 SLJIT_COMPILE_ASSERT((SLJIT_UDIVMOD & 0x2) == 0 && SLJIT_UDIVI - 0x2 == SLJIT_UDIVMOD, bad_div_opcode_assignments);
1266 SLJIT_COMPILE_ASSERT(reg_map[2] == 1 && reg_map[3] == 2 && reg_map[4] == 12, bad_register_mapping);
1267
1268 saved_reg_count = 0;
1269 if (compiler->scratches >= 4)
1270 saved_reg_list[saved_reg_count++] = 12;
1271 if (compiler->scratches >= 3)
1272 saved_reg_list[saved_reg_count++] = 2;
1273 if (op >= SLJIT_UDIVI)
1274 saved_reg_list[saved_reg_count++] = 1;
1275
1276 if (saved_reg_count > 0) {
1277 FAIL_IF(push_inst32(compiler, 0xf84d0d00 | (saved_reg_count >= 3 ? 16 : 8)
1278 | (saved_reg_list[0] << 12) ));
1279 if (saved_reg_count >= 2) {
1280 SLJIT_ASSERT(saved_reg_list[1] < 8);
1281 FAIL_IF(push_inst16(compiler, 0x9001 | (saved_reg_list[1] << 8) ));
1282 }
1283 if (saved_reg_count >= 3) {
1284 SLJIT_ASSERT(saved_reg_list[2] < 8);
1285 FAIL_IF(push_inst16(compiler, 0x9002 | (saved_reg_list[2] << 8) ));
1286 }
1287 }
1288
1289 #if defined(__GNUC__)
1290 FAIL_IF(sljit_emit_ijump(compiler, SLJIT_FAST_CALL, SLJIT_IMM,
1291 ((op | 0x2) == SLJIT_UDIVI ? SLJIT_FUNC_OFFSET(__aeabi_uidivmod) : SLJIT_FUNC_OFFSET(__aeabi_idivmod))));
1292 #else
1293 #error "Software divmod functions are needed"
1294 #endif
1295
1296 if (saved_reg_count > 0) {
1297 if (saved_reg_count >= 3) {
1298 SLJIT_ASSERT(saved_reg_list[2] < 8);
1299 FAIL_IF(push_inst16(compiler, 0x9802 | (saved_reg_list[2] << 8) ));
1300 }
1301 if (saved_reg_count >= 2) {
1302 SLJIT_ASSERT(saved_reg_list[1] < 8);
1303 FAIL_IF(push_inst16(compiler, 0x9801 | (saved_reg_list[1] << 8) ));
1304 }
1305 return push_inst32(compiler, 0xf85d0b00 | (saved_reg_count >= 3 ? 16 : 8)
1306 | (saved_reg_list[0] << 12) );
1307 }
1308 return SLJIT_SUCCESS;
1309 }
1310
1311 return SLJIT_SUCCESS;
1312 }
1313
1314 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
1315 sljit_si dst, sljit_sw dstw,
1316 sljit_si src, sljit_sw srcw)
1317 {
1318 sljit_si dst_r, flags;
1319 sljit_si op_flags = GET_ALL_FLAGS(op);
1320
1321 CHECK_ERROR();
1322 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
1323 ADJUST_LOCAL_OFFSET(dst, dstw);
1324 ADJUST_LOCAL_OFFSET(src, srcw);
1325
1326 compiler->cache_arg = 0;
1327 compiler->cache_argw = 0;
1328
1329 dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
1330
1331 op = GET_OPCODE(op);
1332 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_P) {
1333 switch (op) {
1334 case SLJIT_MOV:
1335 case SLJIT_MOV_UI:
1336 case SLJIT_MOV_SI:
1337 case SLJIT_MOV_P:
1338 flags = WORD_SIZE;
1339 break;
1340 case SLJIT_MOV_UB:
1341 flags = BYTE_SIZE;
1342 if (src & SLJIT_IMM)
1343 srcw = (sljit_ub)srcw;
1344 break;
1345 case SLJIT_MOV_SB:
1346 flags = BYTE_SIZE | SIGNED;
1347 if (src & SLJIT_IMM)
1348 srcw = (sljit_sb)srcw;
1349 break;
1350 case SLJIT_MOV_UH:
1351 flags = HALF_SIZE;
1352 if (src & SLJIT_IMM)
1353 srcw = (sljit_uh)srcw;
1354 break;
1355 case SLJIT_MOV_SH:
1356 flags = HALF_SIZE | SIGNED;
1357 if (src & SLJIT_IMM)
1358 srcw = (sljit_sh)srcw;
1359 break;
1360 case SLJIT_MOVU:
1361 case SLJIT_MOVU_UI:
1362 case SLJIT_MOVU_SI:
1363 case SLJIT_MOVU_P:
1364 flags = WORD_SIZE | UPDATE;
1365 break;
1366 case SLJIT_MOVU_UB:
1367 flags = BYTE_SIZE | UPDATE;
1368 if (src & SLJIT_IMM)
1369 srcw = (sljit_ub)srcw;
1370 break;
1371 case SLJIT_MOVU_SB:
1372 flags = BYTE_SIZE | SIGNED | UPDATE;
1373 if (src & SLJIT_IMM)
1374 srcw = (sljit_sb)srcw;
1375 break;
1376 case SLJIT_MOVU_UH:
1377 flags = HALF_SIZE | UPDATE;
1378 if (src & SLJIT_IMM)
1379 srcw = (sljit_uh)srcw;
1380 break;
1381 case SLJIT_MOVU_SH:
1382 flags = HALF_SIZE | SIGNED | UPDATE;
1383 if (src & SLJIT_IMM)
1384 srcw = (sljit_sh)srcw;
1385 break;
1386 default:
1387 SLJIT_ASSERT_STOP();
1388 flags = 0;
1389 break;
1390 }
1391
1392 if (src & SLJIT_IMM)
1393 FAIL_IF(emit_op_imm(compiler, SLJIT_MOV | ARG2_IMM, dst_r, TMP_REG1, srcw));
1394 else if (src & SLJIT_MEM) {
1395 if (getput_arg_fast(compiler, flags, dst_r, src, srcw))
1396 FAIL_IF(compiler->error);
1397 else
1398 FAIL_IF(getput_arg(compiler, flags, dst_r, src, srcw, dst, dstw));
1399 } else {
1400 if (dst_r != TMP_REG1)
1401 return emit_op_imm(compiler, op, dst_r, TMP_REG1, src);
1402 dst_r = src;
1403 }
1404
1405 if (dst & SLJIT_MEM) {
1406 if (getput_arg_fast(compiler, flags | STORE, dst_r, dst, dstw))
1407 return compiler->error;
1408 else
1409 return getput_arg(compiler, flags | STORE, dst_r, dst, dstw, 0, 0);
1410 }
1411 return SLJIT_SUCCESS;
1412 }
1413
1414 if (op == SLJIT_NEG) {
1415 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1416 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1417 compiler->skip_checks = 1;
1418 #endif
1419 return sljit_emit_op2(compiler, SLJIT_SUB | op_flags, dst, dstw, SLJIT_IMM, 0, src, srcw);
1420 }
1421
1422 flags = (GET_FLAGS(op_flags) ? SET_FLAGS : 0) | ((op_flags & SLJIT_KEEP_FLAGS) ? KEEP_FLAGS : 0);
1423 if (src & SLJIT_MEM) {
1424 if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG2, src, srcw))
1425 FAIL_IF(compiler->error);
1426 else
1427 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src, srcw, dst, dstw));
1428 src = TMP_REG2;
1429 }
1430
1431 if (src & SLJIT_IMM)
1432 flags |= ARG2_IMM;
1433 else
1434 srcw = src;
1435
1436 emit_op_imm(compiler, flags | op, dst_r, TMP_REG1, srcw);
1437
1438 if (dst & SLJIT_MEM) {
1439 if (getput_arg_fast(compiler, flags | STORE, dst_r, dst, dstw))
1440 return compiler->error;
1441 else
1442 return getput_arg(compiler, flags | STORE, dst_r, dst, dstw, 0, 0);
1443 }
1444 return SLJIT_SUCCESS;
1445 }
1446
1447 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
1448 sljit_si dst, sljit_sw dstw,
1449 sljit_si src1, sljit_sw src1w,
1450 sljit_si src2, sljit_sw src2w)
1451 {
1452 sljit_si dst_r, flags;
1453
1454 CHECK_ERROR();
1455 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1456 ADJUST_LOCAL_OFFSET(dst, dstw);
1457 ADJUST_LOCAL_OFFSET(src1, src1w);
1458 ADJUST_LOCAL_OFFSET(src2, src2w);
1459
1460 compiler->cache_arg = 0;
1461 compiler->cache_argw = 0;
1462
1463 dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
1464 flags = (GET_FLAGS(op) ? SET_FLAGS : 0) | ((op & SLJIT_KEEP_FLAGS) ? KEEP_FLAGS : 0);
1465
1466 if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, WORD_SIZE | STORE | ARG_TEST, TMP_REG1, dst, dstw))
1467 flags |= SLOW_DEST;
1468
1469 if (src1 & SLJIT_MEM) {
1470 if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG1, src1, src1w))
1471 FAIL_IF(compiler->error);
1472 else
1473 flags |= SLOW_SRC1;
1474 }
1475 if (src2 & SLJIT_MEM) {
1476 if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG2, src2, src2w))
1477 FAIL_IF(compiler->error);
1478 else
1479 flags |= SLOW_SRC2;
1480 }
1481
1482 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1483 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1484 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, src1, src1w));
1485 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, dst, dstw));
1486 }
1487 else {
1488 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, src2, src2w));
1489 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, dst, dstw));
1490 }
1491 }
1492 else if (flags & SLOW_SRC1)
1493 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, dst, dstw));
1494 else if (flags & SLOW_SRC2)
1495 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, dst, dstw));
1496
1497 if (src1 & SLJIT_MEM)
1498 src1 = TMP_REG1;
1499 if (src2 & SLJIT_MEM)
1500 src2 = TMP_REG2;
1501
1502 if (src1 & SLJIT_IMM)
1503 flags |= ARG1_IMM;
1504 else
1505 src1w = src1;
1506 if (src2 & SLJIT_IMM)
1507 flags |= ARG2_IMM;
1508 else
1509 src2w = src2;
1510
1511 if (dst == SLJIT_UNUSED)
1512 flags |= UNUSED_RETURN;
1513
1514 emit_op_imm(compiler, flags | GET_OPCODE(op), dst_r, src1w, src2w);
1515
1516 if (dst & SLJIT_MEM) {
1517 if (!(flags & SLOW_DEST)) {
1518 getput_arg_fast(compiler, WORD_SIZE | STORE, dst_r, dst, dstw);
1519 return compiler->error;
1520 }
1521 return getput_arg(compiler, WORD_SIZE | STORE, TMP_REG1, dst, dstw, 0, 0);
1522 }
1523 return SLJIT_SUCCESS;
1524 }
1525
1526 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
1527 {
1528 CHECK_REG_INDEX(check_sljit_get_register_index(reg));
1529 return reg_map[reg];
1530 }
1531
1532 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg)
1533 {
1534 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
1535 return reg << 1;
1536 }
1537
1538 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
1539 void *instruction, sljit_si size)
1540 {
1541 CHECK_ERROR();
1542 CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
1543
1544 if (size == 2)
1545 return push_inst16(compiler, *(sljit_uh*)instruction);
1546 return push_inst32(compiler, *(sljit_ins*)instruction);
1547 }
1548
1549
1550
1551
1552
1553 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
1554 {
1555 #ifdef SLJIT_IS_FPU_AVAILABLE
1556 return SLJIT_IS_FPU_AVAILABLE;
1557 #else
1558
1559 return 1;
1560 #endif
1561 }
1562
1563 #define FPU_LOAD (1 << 20)
1564
1565 static sljit_si emit_fop_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw)
1566 {
1567 sljit_sw tmp;
1568 sljit_uw imm;
1569 sljit_sw inst = VSTR_F32 | (flags & (SLJIT_SINGLE_OP | FPU_LOAD));
1570
1571 SLJIT_ASSERT(arg & SLJIT_MEM);
1572
1573
1574 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
1575 FAIL_IF(push_inst32(compiler, ADD_W | RD4(TMP_REG2) | RN4(arg & REG_MASK) | RM4(OFFS_REG(arg)) | ((argw & 0x3) << 6)));
1576 arg = SLJIT_MEM | TMP_REG2;
1577 argw = 0;
1578 }
1579
1580 if ((arg & REG_MASK) && (argw & 0x3) == 0) {
1581 if (!(argw & ~0x3fc))
1582 return push_inst32(compiler, inst | 0x800000 | RN4(arg & REG_MASK) | DD4(reg) | (argw >> 2));
1583 if (!(-argw & ~0x3fc))
1584 return push_inst32(compiler, inst | RN4(arg & REG_MASK) | DD4(reg) | (-argw >> 2));
1585 }
1586
1587
1588 SLJIT_ASSERT(!(arg & OFFS_REG_MASK));
1589 if (compiler->cache_arg == arg) {
1590 tmp = argw - compiler->cache_argw;
1591 if (!(tmp & ~0x3fc))
1592 return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg) | (tmp >> 2));
1593 if (!(-tmp & ~0x3fc))
1594 return push_inst32(compiler, inst | RN4(TMP_REG3) | DD4(reg) | (-tmp >> 2));
1595 if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, tmp) != SLJIT_ERR_UNSUPPORTED) {
1596 FAIL_IF(compiler->error);
1597 compiler->cache_argw = argw;
1598 return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg));
1599 }
1600 }
1601
1602 if (arg & REG_MASK) {
1603 if (emit_set_delta(compiler, TMP_REG1, arg & REG_MASK, argw) != SLJIT_ERR_UNSUPPORTED) {
1604 FAIL_IF(compiler->error);
1605 return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG1) | DD4(reg));
1606 }
1607 imm = get_imm(argw & ~0x3fc);
1608 if (imm != INVALID_IMM) {
1609 FAIL_IF(push_inst32(compiler, ADD_WI | RD4(TMP_REG1) | RN4(arg & REG_MASK) | imm));
1610 return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG1) | DD4(reg) | ((argw & 0x3fc) >> 2));
1611 }
1612 imm = get_imm(-argw & ~0x3fc);
1613 if (imm != INVALID_IMM) {
1614 argw = -argw;
1615 FAIL_IF(push_inst32(compiler, SUB_WI | RD4(TMP_REG1) | RN4(arg & REG_MASK) | imm));
1616 return push_inst32(compiler, inst | RN4(TMP_REG1) | DD4(reg) | ((argw & 0x3fc) >> 2));
1617 }
1618 }
1619
1620 compiler->cache_arg = arg;
1621 compiler->cache_argw = argw;
1622
1623 FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
1624 if (arg & REG_MASK)
1625 FAIL_IF(push_inst16(compiler, ADD | SET_REGS44(TMP_REG3, (arg & REG_MASK))));
1626 return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg));
1627 }
1628
1629 static SLJIT_INLINE sljit_si sljit_emit_fop1_convw_fromd(struct sljit_compiler *compiler, sljit_si op,
1630 sljit_si dst, sljit_sw dstw,
1631 sljit_si src, sljit_sw srcw)
1632 {
1633 if (src & SLJIT_MEM) {
1634 FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, TMP_FREG1, src, srcw));
1635 src = TMP_FREG1;
1636 }
1637
1638 FAIL_IF(push_inst32(compiler, VCVT_S32_F32 | (op & SLJIT_SINGLE_OP) | DD4(TMP_FREG1) | DM4(src)));
1639
1640 if (dst == SLJIT_UNUSED)
1641 return SLJIT_SUCCESS;
1642
1643 if (FAST_IS_REG(dst))
1644 return push_inst32(compiler, VMOV | (1 << 20) | RT4(dst) | DN4(TMP_FREG1));
1645
1646
1647 return emit_fop_mem(compiler, 0, TMP_FREG1, dst, dstw);
1648 }
1649
1650 static SLJIT_INLINE sljit_si sljit_emit_fop1_convd_fromw(struct sljit_compiler *compiler, sljit_si op,
1651 sljit_si dst, sljit_sw dstw,
1652 sljit_si src, sljit_sw srcw)
1653 {
1654 sljit_si dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1655
1656 if (FAST_IS_REG(src))
1657 FAIL_IF(push_inst32(compiler, VMOV | RT4(src) | DN4(TMP_FREG1)));
1658 else if (src & SLJIT_MEM) {
1659
1660 FAIL_IF(emit_fop_mem(compiler, FPU_LOAD, TMP_FREG1, src, srcw));
1661 }
1662 else {
1663 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1664 FAIL_IF(push_inst32(compiler, VMOV | RT4(TMP_REG1) | DN4(TMP_FREG1)));
1665 }
1666
1667 FAIL_IF(push_inst32(compiler, VCVT_F32_S32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DM4(TMP_FREG1)));
1668
1669 if (dst & SLJIT_MEM)
1670 return emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP), TMP_FREG1, dst, dstw);
1671 return SLJIT_SUCCESS;
1672 }
1673
1674 static SLJIT_INLINE sljit_si sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_si op,
1675 sljit_si src1, sljit_sw src1w,
1676 sljit_si src2, sljit_sw src2w)
1677 {
1678 if (src1 & SLJIT_MEM) {
1679 emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, TMP_FREG1, src1, src1w);
1680 src1 = TMP_FREG1;
1681 }
1682
1683 if (src2 & SLJIT_MEM) {
1684 emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, TMP_FREG2, src2, src2w);
1685 src2 = TMP_FREG2;
1686 }
1687
1688 FAIL_IF(push_inst32(compiler, VCMP_F32 | (op & SLJIT_SINGLE_OP) | DD4(src1) | DM4(src2)));
1689 return push_inst32(compiler, VMRS);
1690 }
1691
1692 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
1693 sljit_si dst, sljit_sw dstw,
1694 sljit_si src, sljit_sw srcw)
1695 {
1696 sljit_si dst_r;
1697
1698 CHECK_ERROR();
1699 compiler->cache_arg = 0;
1700 compiler->cache_argw = 0;
1701 if (GET_OPCODE(op) != SLJIT_CONVD_FROMS)
1702 op ^= SLJIT_SINGLE_OP;
1703
1704 SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100), float_transfer_bit_error);
1705 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1706
1707 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1708
1709 if (src & SLJIT_MEM) {
1710 emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, dst_r, src, srcw);
1711 src = dst_r;
1712 }
1713
1714 switch (GET_OPCODE(op)) {
1715 case SLJIT_DMOV:
1716 if (src != dst_r) {
1717 if (dst_r != TMP_FREG1)
1718 FAIL_IF(push_inst32(compiler, VMOV_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DM4(src)));
1719 else
1720 dst_r = src;
1721 }
1722 break;
1723 case SLJIT_DNEG:
1724 FAIL_IF(push_inst32(compiler, VNEG_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DM4(src)));
1725 break;
1726 case SLJIT_DABS:
1727 FAIL_IF(push_inst32(compiler, VABS_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DM4(src)));
1728 break;
1729 case SLJIT_CONVD_FROMS:
1730 FAIL_IF(push_inst32(compiler, VCVT_F64_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DM4(src)));
1731 op ^= SLJIT_SINGLE_OP;
1732 break;
1733 }
1734
1735 if (dst & SLJIT_MEM)
1736 return emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP), dst_r, dst, dstw);
1737 return SLJIT_SUCCESS;
1738 }
1739
1740 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
1741 sljit_si dst, sljit_sw dstw,
1742 sljit_si src1, sljit_sw src1w,
1743 sljit_si src2, sljit_sw src2w)
1744 {
1745 sljit_si dst_r;
1746
1747 CHECK_ERROR();
1748 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1749 ADJUST_LOCAL_OFFSET(dst, dstw);
1750 ADJUST_LOCAL_OFFSET(src1, src1w);
1751 ADJUST_LOCAL_OFFSET(src2, src2w);
1752
1753 compiler->cache_arg = 0;
1754 compiler->cache_argw = 0;
1755 op ^= SLJIT_SINGLE_OP;
1756
1757 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1758 if (src1 & SLJIT_MEM) {
1759 emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, TMP_FREG1, src1, src1w);
1760 src1 = TMP_FREG1;
1761 }
1762 if (src2 & SLJIT_MEM) {
1763 emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP) | FPU_LOAD, TMP_FREG2, src2, src2w);
1764 src2 = TMP_FREG2;
1765 }
1766
1767 switch (GET_OPCODE(op)) {
1768 case SLJIT_DADD:
1769 FAIL_IF(push_inst32(compiler, VADD_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DN4(src1) | DM4(src2)));
1770 break;
1771 case SLJIT_DSUB:
1772 FAIL_IF(push_inst32(compiler, VSUB_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DN4(src1) | DM4(src2)));
1773 break;
1774 case SLJIT_DMUL:
1775 FAIL_IF(push_inst32(compiler, VMUL_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DN4(src1) | DM4(src2)));
1776 break;
1777 case SLJIT_DDIV:
1778 FAIL_IF(push_inst32(compiler, VDIV_F32 | (op & SLJIT_SINGLE_OP) | DD4(dst_r) | DN4(src1) | DM4(src2)));
1779 break;
1780 }
1781
1782 if (!(dst & SLJIT_MEM))
1783 return SLJIT_SUCCESS;
1784 return emit_fop_mem(compiler, (op & SLJIT_SINGLE_OP), TMP_FREG1, dst, dstw);
1785 }
1786
1787 #undef FPU_LOAD
1788
1789
1790
1791
1792
1793 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
1794 {
1795 CHECK_ERROR();
1796 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1797 ADJUST_LOCAL_OFFSET(dst, dstw);
1798
1799
1800 if (dst == SLJIT_UNUSED)
1801 return SLJIT_SUCCESS;
1802
1803 if (FAST_IS_REG(dst))
1804 return push_inst16(compiler, MOV | SET_REGS44(dst, TMP_REG3));
1805
1806
1807 if (getput_arg_fast(compiler, WORD_SIZE | STORE, TMP_REG3, dst, dstw))
1808 return compiler->error;
1809
1810 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG2, TMP_REG3)));
1811 compiler->cache_arg = 0;
1812 compiler->cache_argw = 0;
1813 return getput_arg(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw, 0, 0);
1814 }
1815
1816 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
1817 {
1818 CHECK_ERROR();
1819 CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1820 ADJUST_LOCAL_OFFSET(src, srcw);
1821
1822 if (FAST_IS_REG(src))
1823 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG3, src)));
1824 else if (src & SLJIT_MEM) {
1825 if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG3, src, srcw))
1826 FAIL_IF(compiler->error);
1827 else {
1828 compiler->cache_arg = 0;
1829 compiler->cache_argw = 0;
1830 FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src, srcw, 0, 0));
1831 FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG3, TMP_REG2)));
1832 }
1833 }
1834 else if (src & SLJIT_IMM)
1835 FAIL_IF(load_immediate(compiler, TMP_REG3, srcw));
1836 return push_inst16(compiler, BLX | RN3(TMP_REG3));
1837 }
1838
1839
1840
1841
1842
1843 static sljit_uw get_cc(sljit_si type)
1844 {
1845 switch (type) {
1846 case SLJIT_EQUAL:
1847 case SLJIT_MUL_NOT_OVERFLOW:
1848 case SLJIT_D_EQUAL:
1849 return 0x0;
1850
1851 case SLJIT_NOT_EQUAL:
1852 case SLJIT_MUL_OVERFLOW:
1853 case SLJIT_D_NOT_EQUAL:
1854 return 0x1;
1855
1856 case SLJIT_LESS:
1857 case SLJIT_D_LESS:
1858 return 0x3;
1859
1860 case SLJIT_GREATER_EQUAL:
1861 case SLJIT_D_GREATER_EQUAL:
1862 return 0x2;
1863
1864 case SLJIT_GREATER:
1865 case SLJIT_D_GREATER:
1866 return 0x8;
1867
1868 case SLJIT_LESS_EQUAL:
1869 case SLJIT_D_LESS_EQUAL:
1870 return 0x9;
1871
1872 case SLJIT_SIG_LESS:
1873 return 0xb;
1874
1875 case SLJIT_SIG_GREATER_EQUAL:
1876 return 0xa;
1877
1878 case SLJIT_SIG_GREATER:
1879 return 0xc;
1880
1881 case SLJIT_SIG_LESS_EQUAL:
1882 return 0xd;
1883
1884 case SLJIT_OVERFLOW:
1885 case SLJIT_D_UNORDERED:
1886 return 0x6;
1887
1888 case SLJIT_NOT_OVERFLOW:
1889 case SLJIT_D_ORDERED:
1890 return 0x7;
1891
1892 default:
1893 SLJIT_ASSERT_STOP();
1894 return 0xe;
1895 }
1896 }
1897
1898 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1899 {
1900 struct sljit_label *label;
1901
1902 CHECK_ERROR_PTR();
1903 CHECK_PTR(check_sljit_emit_label(compiler));
1904
1905 if (compiler->last_label && compiler->last_label->size == compiler->size)
1906 return compiler->last_label;
1907
1908 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1909 PTR_FAIL_IF(!label);
1910 set_label(label, compiler);
1911 return label;
1912 }
1913
1914 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
1915 {
1916 struct sljit_jump *jump;
1917 sljit_ins cc;
1918
1919 CHECK_ERROR_PTR();
1920 CHECK_PTR(check_sljit_emit_jump(compiler, type));
1921
1922 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1923 PTR_FAIL_IF(!jump);
1924 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1925 type &= 0xff;
1926
1927
1928 PTR_FAIL_IF(emit_imm32_const(compiler, TMP_REG1, 0));
1929 if (type < SLJIT_JUMP) {
1930 jump->flags |= IS_COND;
1931 cc = get_cc(type);
1932 jump->flags |= cc << 8;
1933 PTR_FAIL_IF(push_inst16(compiler, IT | (cc << 4) | 0x8));
1934 }
1935
1936 jump->addr = compiler->size;
1937 if (type <= SLJIT_JUMP)
1938 PTR_FAIL_IF(push_inst16(compiler, BX | RN3(TMP_REG1)));
1939 else {
1940 jump->flags |= IS_BL;
1941 PTR_FAIL_IF(push_inst16(compiler, BLX | RN3(TMP_REG1)));
1942 }
1943
1944 return jump;
1945 }
1946
1947 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
1948 {
1949 struct sljit_jump *jump;
1950
1951 CHECK_ERROR();
1952 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1953 ADJUST_LOCAL_OFFSET(src, srcw);
1954
1955
1956 if (!(src & SLJIT_IMM)) {
1957 if (FAST_IS_REG(src))
1958 return push_inst16(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RN3(src));
1959
1960 FAIL_IF(emit_op_mem(compiler, WORD_SIZE, type <= SLJIT_JUMP ? TMP_PC : TMP_REG1, src, srcw));
1961 if (type >= SLJIT_FAST_CALL)
1962 return push_inst16(compiler, BLX | RN3(TMP_REG1));
1963 }
1964
1965 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1966 FAIL_IF(!jump);
1967 set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_BL : 0));
1968 jump->u.target = srcw;
1969
1970 FAIL_IF(emit_imm32_const(compiler, TMP_REG1, 0));
1971 jump->addr = compiler->size;
1972 return push_inst16(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RN3(TMP_REG1));
1973 }
1974
1975 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
1976 sljit_si dst, sljit_sw dstw,
1977 sljit_si src, sljit_sw srcw,
1978 sljit_si type)
1979 {
1980 sljit_si dst_r, flags = GET_ALL_FLAGS(op);
1981 sljit_ins cc, ins;
1982
1983 CHECK_ERROR();
1984 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
1985 ADJUST_LOCAL_OFFSET(dst, dstw);
1986 ADJUST_LOCAL_OFFSET(src, srcw);
1987
1988 if (dst == SLJIT_UNUSED)
1989 return SLJIT_SUCCESS;
1990
1991 op = GET_OPCODE(op);
1992 cc = get_cc(type & 0xff);
1993 dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2;
1994
1995 if (op < SLJIT_ADD) {
1996 FAIL_IF(push_inst16(compiler, IT | (cc << 4) | (((cc & 0x1) ^ 0x1) << 3) | 0x4));
1997 if (reg_map[dst_r] > 7) {
1998 FAIL_IF(push_inst32(compiler, MOV_WI | RD4(dst_r) | 1));
1999 FAIL_IF(push_inst32(compiler, MOV_WI | RD4(dst_r) | 0));
2000 } else {
2001 FAIL_IF(push_inst16(compiler, MOVSI | RDN3(dst_r) | 1));
2002 FAIL_IF(push_inst16(compiler, MOVSI | RDN3(dst_r) | 0));
2003 }
2004 if (dst_r != TMP_REG2)
2005 return SLJIT_SUCCESS;
2006 return emit_op_mem(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw);
2007 }
2008
2009 ins = (op == SLJIT_AND ? ANDI : (op == SLJIT_OR ? ORRI : EORI));
2010 if ((op == SLJIT_OR || op == SLJIT_XOR) && FAST_IS_REG(dst) && dst == src) {
2011
2012 FAIL_IF(push_inst16(compiler, IT | (cc << 4) | 0x8));
2013 FAIL_IF(push_inst32(compiler, ins | RN4(src) | RD4(dst) | 1));
2014 if (flags & SLJIT_SET_E) {
2015
2016 if (reg_map[dst] <= 7)
2017 return push_inst16(compiler, MOVS | RD3(TMP_REG1) | RN3(dst));
2018 return push_inst32(compiler, MOV_W | SET_FLAGS | RD4(TMP_REG1) | RM4(dst));
2019 }
2020 return SLJIT_SUCCESS;
2021 }
2022
2023 compiler->cache_arg = 0;
2024 compiler->cache_argw = 0;
2025 if (src & SLJIT_MEM) {
2026 FAIL_IF(emit_op_mem2(compiler, WORD_SIZE, TMP_REG2, src, srcw, dst, dstw));
2027 src = TMP_REG2;
2028 srcw = 0;
2029 } else if (src & SLJIT_IMM) {
2030 FAIL_IF(load_immediate(compiler, TMP_REG2, srcw));
2031 src = TMP_REG2;
2032 srcw = 0;
2033 }
2034
2035 if (op == SLJIT_AND || src != dst_r) {
2036 FAIL_IF(push_inst16(compiler, IT | (cc << 4) | (((cc & 0x1) ^ 0x1) << 3) | 0x4));
2037 FAIL_IF(push_inst32(compiler, ins | RN4(src) | RD4(dst_r) | 1));
2038 FAIL_IF(push_inst32(compiler, ins | RN4(src) | RD4(dst_r) | 0));
2039 }
2040 else {
2041 FAIL_IF(push_inst16(compiler, IT | (cc << 4) | 0x8));
2042 FAIL_IF(push_inst32(compiler, ins | RN4(src) | RD4(dst_r) | 1));
2043 }
2044
2045 if (dst_r == TMP_REG2)
2046 FAIL_IF(emit_op_mem2(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw, 0, 0));
2047
2048 if (flags & SLJIT_SET_E) {
2049
2050 if (reg_map[dst_r] <= 7)
2051 return push_inst16(compiler, MOVS | RD3(TMP_REG1) | RN3(dst_r));
2052 return push_inst32(compiler, MOV_W | SET_FLAGS | RD4(TMP_REG1) | RM4(dst_r));
2053 }
2054 return SLJIT_SUCCESS;
2055 }
2056
2057 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
2058 {
2059 struct sljit_const *const_;
2060 sljit_si dst_r;
2061
2062 CHECK_ERROR_PTR();
2063 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
2064 ADJUST_LOCAL_OFFSET(dst, dstw);
2065
2066 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
2067 PTR_FAIL_IF(!const_);
2068 set_const(const_, compiler);
2069
2070 dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
2071 PTR_FAIL_IF(emit_imm32_const(compiler, dst_r, init_value));
2072
2073 if (dst & SLJIT_MEM)
2074 PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE | STORE, dst_r, dst, dstw));
2075 return const_;
2076 }
2077
2078 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
2079 {
2080 sljit_uh *inst = (sljit_uh*)addr;
2081 modify_imm32_const(inst, new_addr);
2082 SLJIT_CACHE_FLUSH(inst, inst + 4);
2083 }
2084
2085 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
2086 {
2087 sljit_uh *inst = (sljit_uh*)addr;
2088 modify_imm32_const(inst, new_constant);
2089 SLJIT_CACHE_FLUSH(inst, inst + 4);
2090 }