1 /* 2 * Stack-less Just-In-Time compiler 3 * 4 * Copyright 2009-2012 Zoltan Herczeg (hzmester (at) freemail.hu). All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without modification, are 7 * permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, this list of 10 * conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 13 * of conditions and the following disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void) 28 { 29 return "SPARC" SLJIT_CPUINFO; 30 } 31 32 /* Length of an instruction word 33 Both for sparc-32 and sparc-64 */ 34 typedef sljit_ui sljit_ins; 35 36 static void sparc_cache_flush(sljit_ins *from, sljit_ins *to) 37 { 38 #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590 39 __asm ( 40 /* if (from == to) return */ 41 "cmp %i0, %i1\n" 42 "be .leave\n" 43 "nop\n" 44 45 /* loop until from >= to */ 46 ".mainloop:\n" 47 "flush %i0\n" 48 "add %i0, 8, %i0\n" 49 "cmp %i0, %i1\n" 50 "bcs .mainloop\n" 51 "nop\n" 52 53 /* The comparison was done above. */ 54 "bne .leave\n" 55 /* nop is not necessary here, since the 56 sub operation has no side effect. */ 57 "sub %i0, 4, %i0\n" 58 "flush %i0\n" 59 ".leave:" 60 ); 61 #else 62 if (SLJIT_UNLIKELY(from == to)) 63 return; 64 65 do { 66 __asm__ volatile ( 67 "flush %0\n" 68 : : "r"(from) 69 ); 70 /* Operates at least on doubleword. */ 71 from += 2; 72 } while (from < to); 73 74 if (from == to) { 75 /* Flush the last word. */ 76 from --; 77 __asm__ volatile ( 78 "flush %0\n" 79 : : "r"(from) 80 ); 81 } 82 #endif 83 } 84 85 /* TMP_REG2 is not used by getput_arg */ 86 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) 87 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) 88 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) 89 #define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5) 90 91 #define TMP_FREG1 (0) 92 #define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1) 93 94 static SLJIT_CONST sljit_ub reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = { 95 0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15 96 }; 97 98 /* --------------------------------------------------------------------- */ 99 /* Instrucion forms */ 100 /* --------------------------------------------------------------------- */ 101 102 #define D(d) (reg_map[d] << 25) 103 #define DA(d) ((d) << 25) 104 #define S1(s1) (reg_map[s1] << 14) 105 #define S2(s2) (reg_map[s2]) 106 #define S1A(s1) ((s1) << 14) 107 #define S2A(s2) (s2) 108 #define IMM_ARG 0x2000 109 #define DOP(op) ((op) << 5) 110 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG) 111 112 #define DR(dr) (reg_map[dr]) 113 #define OPC1(opcode) ((opcode) << 30) 114 #define OPC2(opcode) ((opcode) << 22) 115 #define OPC3(opcode) ((opcode) << 19) 116 #define SET_FLAGS OPC3(0x10) 117 118 #define ADD (OPC1(0x2) | OPC3(0x00)) 119 #define ADDC (OPC1(0x2) | OPC3(0x08)) 120 #define AND (OPC1(0x2) | OPC3(0x01)) 121 #define ANDN (OPC1(0x2) | OPC3(0x05)) 122 #define CALL (OPC1(0x1)) 123 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09)) 124 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42)) 125 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41)) 126 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52)) 127 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51)) 128 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e)) 129 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d)) 130 #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2)) 131 #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6)) 132 #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8)) 133 #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4)) 134 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01)) 135 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a)) 136 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49)) 137 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05)) 138 #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9)) 139 #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1)) 140 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46)) 141 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45)) 142 #define JMPL (OPC1(0x2) | OPC3(0x38)) 143 #define NOP (OPC1(0x0) | OPC2(0x04)) 144 #define OR (OPC1(0x2) | OPC3(0x02)) 145 #define ORN (OPC1(0x2) | OPC3(0x06)) 146 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0)) 147 #define RESTORE (OPC1(0x2) | OPC3(0x3d)) 148 #define SAVE (OPC1(0x2) | OPC3(0x3c)) 149 #define SETHI (OPC1(0x0) | OPC2(0x04)) 150 #define SLL (OPC1(0x2) | OPC3(0x25)) 151 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12)) 152 #define SRA (OPC1(0x2) | OPC3(0x27)) 153 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12)) 154 #define SRL (OPC1(0x2) | OPC3(0x26)) 155 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12)) 156 #define SUB (OPC1(0x2) | OPC3(0x04)) 157 #define SUBC (OPC1(0x2) | OPC3(0x0c)) 158 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25)) 159 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0)) 160 #define XOR (OPC1(0x2) | OPC3(0x03)) 161 #define XNOR (OPC1(0x2) | OPC3(0x07)) 162 163 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 164 #define MAX_DISP (0x1fffff) 165 #define MIN_DISP (-0x200000) 166 #define DISP_MASK (0x3fffff) 167 168 #define BICC (OPC1(0x0) | OPC2(0x2)) 169 #define FBFCC (OPC1(0x0) | OPC2(0x6)) 170 #define SLL_W SLL 171 #define SDIV (OPC1(0x2) | OPC3(0x0f)) 172 #define SMUL (OPC1(0x2) | OPC3(0x0b)) 173 #define UDIV (OPC1(0x2) | OPC3(0x0e)) 174 #define UMUL (OPC1(0x2) | OPC3(0x0a)) 175 #else 176 #define SLL_W SLLX 177 #endif 178 179 #define SIMM_MAX (0x0fff) 180 #define SIMM_MIN (-0x1000) 181 182 /* dest_reg is the absolute name of the register 183 Useful for reordering instructions in the delay slot. */ 184 static sljit_si push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_si delay_slot) 185 { 186 sljit_ins *ptr; 187 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS 188 || (delay_slot & DST_INS_MASK) == MOVABLE_INS 189 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f)); 190 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); 191 FAIL_IF(!ptr); 192 *ptr = ins; 193 compiler->size++; 194 compiler->delay_slot = delay_slot; 195 return SLJIT_SUCCESS; 196 } 197 198 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) 199 { 200 sljit_sw diff; 201 sljit_uw target_addr; 202 sljit_ins *inst; 203 sljit_ins saved_inst; 204 205 if (jump->flags & SLJIT_REWRITABLE_JUMP) 206 return code_ptr; 207 208 if (jump->flags & JUMP_ADDR) 209 target_addr = jump->u.target; 210 else { 211 SLJIT_ASSERT(jump->flags & JUMP_LABEL); 212 target_addr = (sljit_uw)(code + jump->u.label->size); 213 } 214 inst = (sljit_ins*)jump->addr; 215 216 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 217 if (jump->flags & IS_CALL) { 218 /* Call is always patchable on sparc 32. */ 219 jump->flags |= PATCH_CALL; 220 if (jump->flags & IS_MOVABLE) { 221 inst[0] = inst[-1]; 222 inst[-1] = CALL; 223 jump->addr -= sizeof(sljit_ins); 224 return inst; 225 } 226 inst[0] = CALL; 227 inst[1] = NOP; 228 return inst + 1; 229 } 230 #else 231 /* Both calls and BPr instructions shall not pass this point. */ 232 #error "Implementation required" 233 #endif 234 235 if (jump->flags & IS_COND) 236 inst--; 237 238 if (jump->flags & IS_MOVABLE) { 239 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2; 240 if (diff <= MAX_DISP && diff >= MIN_DISP) { 241 jump->flags |= PATCH_B; 242 inst--; 243 if (jump->flags & IS_COND) { 244 saved_inst = inst[0]; 245 inst[0] = inst[1] ^ (1 << 28); 246 inst[1] = saved_inst; 247 } else { 248 inst[1] = inst[0]; 249 inst[0] = BICC | DA(0x8); 250 } 251 jump->addr = (sljit_uw)inst; 252 return inst + 1; 253 } 254 } 255 256 diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2; 257 if (diff <= MAX_DISP && diff >= MIN_DISP) { 258 jump->flags |= PATCH_B; 259 if (jump->flags & IS_COND) 260 inst[0] ^= (1 << 28); 261 else 262 inst[0] = BICC | DA(0x8); 263 inst[1] = NOP; 264 jump->addr = (sljit_uw)inst; 265 return inst + 1; 266 } 267 268 return code_ptr; 269 } 270 271 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) 272 { 273 struct sljit_memory_fragment *buf; 274 sljit_ins *code; 275 sljit_ins *code_ptr; 276 sljit_ins *buf_ptr; 277 sljit_ins *buf_end; 278 sljit_uw word_count; 279 sljit_uw addr; 280 281 struct sljit_label *label; 282 struct sljit_jump *jump; 283 struct sljit_const *const_; 284 285 CHECK_ERROR_PTR(); 286 CHECK_PTR(check_sljit_generate_code(compiler)); 287 reverse_buf(compiler); 288 289 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); 290 PTR_FAIL_WITH_EXEC_IF(code); 291 buf = compiler->buf; 292 293 code_ptr = code; 294 word_count = 0; 295 label = compiler->labels; 296 jump = compiler->jumps; 297 const_ = compiler->consts; 298 do { 299 buf_ptr = (sljit_ins*)buf->memory; 300 buf_end = buf_ptr + (buf->used_size >> 2); 301 do { 302 *code_ptr = *buf_ptr++; 303 SLJIT_ASSERT(!label || label->size >= word_count); 304 SLJIT_ASSERT(!jump || jump->addr >= word_count); 305 SLJIT_ASSERT(!const_ || const_->addr >= word_count); 306 /* These structures are ordered by their address. */ 307 if (label && label->size == word_count) { 308 /* Just recording the address. */ 309 label->addr = (sljit_uw)code_ptr; 310 label->size = code_ptr - code; 311 label = label->next; 312 } 313 if (jump && jump->addr == word_count) { 314 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 315 jump->addr = (sljit_uw)(code_ptr - 3); 316 #else 317 jump->addr = (sljit_uw)(code_ptr - 6); 318 #endif 319 code_ptr = detect_jump_type(jump, code_ptr, code); 320 jump = jump->next; 321 } 322 if (const_ && const_->addr == word_count) { 323 /* Just recording the address. */ 324 const_->addr = (sljit_uw)code_ptr; 325 const_ = const_->next; 326 } 327 code_ptr ++; 328 word_count ++; 329 } while (buf_ptr < buf_end); 330 331 buf = buf->next; 332 } while (buf); 333 334 if (label && label->size == word_count) { 335 label->addr = (sljit_uw)code_ptr; 336 label->size = code_ptr - code; 337 label = label->next; 338 } 339 340 SLJIT_ASSERT(!label); 341 SLJIT_ASSERT(!jump); 342 SLJIT_ASSERT(!const_); 343 SLJIT_ASSERT(code_ptr - code <= (sljit_si)compiler->size); 344 345 jump = compiler->jumps; 346 while (jump) { 347 do { 348 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; 349 buf_ptr = (sljit_ins*)jump->addr; 350 351 if (jump->flags & PATCH_CALL) { 352 addr = (sljit_sw)(addr - jump->addr) >> 2; 353 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000); 354 buf_ptr[0] = CALL | (addr & 0x3fffffff); 355 break; 356 } 357 if (jump->flags & PATCH_B) { 358 addr = (sljit_sw)(addr - jump->addr) >> 2; 359 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP); 360 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK); 361 break; 362 } 363 364 /* Set the fields of immediate loads. */ 365 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 366 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff); 367 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff); 368 #else 369 #error "Implementation required" 370 #endif 371 } while (0); 372 jump = jump->next; 373 } 374 375 376 compiler->error = SLJIT_ERR_COMPILED; 377 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); 378 SLJIT_CACHE_FLUSH(code, code_ptr); 379 return code; 380 } 381 382 /* --------------------------------------------------------------------- */ 383 /* Entry, exit */ 384 /* --------------------------------------------------------------------- */ 385 386 /* Creates an index in data_transfer_insts array. */ 387 #define LOAD_DATA 0x01 388 #define WORD_DATA 0x00 389 #define BYTE_DATA 0x02 390 #define HALF_DATA 0x04 391 #define INT_DATA 0x06 392 #define SIGNED_DATA 0x08 393 /* Separates integer and floating point registers */ 394 #define GPR_REG 0x0f 395 #define DOUBLE_DATA 0x10 396 #define SINGLE_DATA 0x12 397 398 #define MEM_MASK 0x1f 399 400 #define WRITE_BACK 0x00020 401 #define ARG_TEST 0x00040 402 #define ALT_KEEP_CACHE 0x00080 403 #define CUMULATIVE_OP 0x00100 404 #define IMM_OP 0x00200 405 #define SRC2_IMM 0x00400 406 407 #define REG_DEST 0x00800 408 #define REG2_SOURCE 0x01000 409 #define SLOW_SRC1 0x02000 410 #define SLOW_SRC2 0x04000 411 #define SLOW_DEST 0x08000 412 413 /* SET_FLAGS (0x10 << 19) also belong here! */ 414 415 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 416 #include "sljitNativeSPARC_32.c" 417 #else 418 #include "sljitNativeSPARC_64.c" 419 #endif 420 421 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, 422 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds, 423 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size) 424 { 425 CHECK_ERROR(); 426 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 427 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 428 429 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 430 compiler->local_size = local_size; 431 432 if (local_size <= SIMM_MAX) { 433 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS)); 434 } 435 else { 436 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size)); 437 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS)); 438 } 439 440 /* Arguments are in their appropriate registers. */ 441 442 return SLJIT_SUCCESS; 443 } 444 445 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_set_context(struct sljit_compiler *compiler, 446 sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds, 447 sljit_si fscratches, sljit_si fsaveds, sljit_si local_size) 448 { 449 CHECK_ERROR(); 450 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 451 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 452 453 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 454 return SLJIT_SUCCESS; 455 } 456 457 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw) 458 { 459 CHECK_ERROR(); 460 CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 461 462 if (op != SLJIT_MOV || !FAST_IS_REG(src)) { 463 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 464 src = SLJIT_R0; 465 } 466 467 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS)); 468 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS); 469 } 470 471 /* --------------------------------------------------------------------- */ 472 /* Operators */ 473 /* --------------------------------------------------------------------- */ 474 475 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 476 #define ARCH_32_64(a, b) a 477 #else 478 #define ARCH_32_64(a, b) b 479 #endif 480 481 static SLJIT_CONST sljit_ins data_transfer_insts[16 + 4] = { 482 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 483 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 484 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */, 485 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */, 486 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */, 487 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */, 488 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */, 489 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */, 490 491 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 492 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 493 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */, 494 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */, 495 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */, 496 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */, 497 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */, 498 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */), 499 500 /* d s */ OPC1(3) | OPC3(0x27), 501 /* d l */ OPC1(3) | OPC3(0x23), 502 /* s s */ OPC1(3) | OPC3(0x24), 503 /* s l */ OPC1(3) | OPC3(0x20), 504 }; 505 506 #undef ARCH_32_64 507 508 /* Can perform an operation using at most 1 instruction. */ 509 static sljit_si getput_arg_fast(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw) 510 { 511 SLJIT_ASSERT(arg & SLJIT_MEM); 512 513 if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) { 514 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) 515 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) { 516 /* Works for both absoulte and relative addresses (immediate case). */ 517 if (SLJIT_UNLIKELY(flags & ARG_TEST)) 518 return 1; 519 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] 520 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)) 521 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)), 522 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS)); 523 return -1; 524 } 525 } 526 return 0; 527 } 528 529 /* See getput_arg below. 530 Note: can_cache is called only for binary operators. Those 531 operators always uses word arguments without write back. */ 532 static sljit_si can_cache(sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw) 533 { 534 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); 535 536 /* Simple operation except for updates. */ 537 if (arg & OFFS_REG_MASK) { 538 argw &= 0x3; 539 SLJIT_ASSERT(argw); 540 next_argw &= 0x3; 541 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw) 542 return 1; 543 return 0; 544 } 545 546 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) 547 return 1; 548 return 0; 549 } 550 551 /* Emit the necessary instructions. See can_cache above. */ 552 static sljit_si getput_arg(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw, sljit_si next_arg, sljit_sw next_argw) 553 { 554 sljit_si base, arg2, delay_slot; 555 sljit_ins dest; 556 557 SLJIT_ASSERT(arg & SLJIT_MEM); 558 if (!(next_arg & SLJIT_MEM)) { 559 next_arg = 0; 560 next_argw = 0; 561 } 562 563 base = arg & REG_MASK; 564 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 565 argw &= 0x3; 566 SLJIT_ASSERT(argw != 0); 567 568 /* Using the cache. */ 569 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw)) 570 arg2 = TMP_REG3; 571 else { 572 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) { 573 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); 574 compiler->cache_argw = argw; 575 arg2 = TMP_REG3; 576 } 577 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg)) 578 arg2 = reg; 579 else /* It must be a mov operation, so tmp1 must be free to use. */ 580 arg2 = TMP_REG1; 581 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2))); 582 } 583 } 584 else { 585 /* Using the cache. */ 586 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) { 587 if (argw != compiler->cache_argw) { 588 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 589 compiler->cache_argw = argw; 590 } 591 arg2 = TMP_REG3; 592 } else { 593 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) { 594 compiler->cache_arg = SLJIT_MEM; 595 compiler->cache_argw = argw; 596 arg2 = TMP_REG3; 597 } 598 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base) 599 arg2 = reg; 600 else /* It must be a mov operation, so tmp1 must be free to use. */ 601 arg2 = TMP_REG1; 602 FAIL_IF(load_immediate(compiler, arg2, argw)); 603 } 604 } 605 606 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)); 607 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS; 608 if (!base) 609 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot); 610 if (!(flags & WRITE_BACK)) 611 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot); 612 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot)); 613 return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base)); 614 } 615 616 static SLJIT_INLINE sljit_si emit_op_mem(struct sljit_compiler *compiler, sljit_si flags, sljit_si reg, sljit_si arg, sljit_sw argw) 617 { 618 if (getput_arg_fast(compiler, flags, reg, arg, argw)) 619 return compiler->error; 620 compiler->cache_arg = 0; 621 compiler->cache_argw = 0; 622 return getput_arg(compiler, flags, reg, arg, argw, 0, 0); 623 } 624 625 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) 626 { 627 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) 628 return compiler->error; 629 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); 630 } 631 632 static sljit_si emit_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags, 633 sljit_si dst, sljit_sw dstw, 634 sljit_si src1, sljit_sw src1w, 635 sljit_si src2, sljit_sw src2w) 636 { 637 /* arg1 goes to TMP_REG1 or src reg 638 arg2 goes to TMP_REG2, imm or src reg 639 TMP_REG3 can be used for caching 640 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ 641 sljit_si dst_r = TMP_REG2; 642 sljit_si src1_r; 643 sljit_sw src2_r = 0; 644 sljit_si sugg_src2_r = TMP_REG2; 645 646 if (!(flags & ALT_KEEP_CACHE)) { 647 compiler->cache_arg = 0; 648 compiler->cache_argw = 0; 649 } 650 651 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { 652 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM)) 653 return SLJIT_SUCCESS; 654 } 655 else if (FAST_IS_REG(dst)) { 656 dst_r = dst; 657 flags |= REG_DEST; 658 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) 659 sugg_src2_r = dst_r; 660 } 661 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw)) 662 flags |= SLOW_DEST; 663 664 if (flags & IMM_OP) { 665 if ((src2 & SLJIT_IMM) && src2w) { 666 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) { 667 flags |= SRC2_IMM; 668 src2_r = src2w; 669 } 670 } 671 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { 672 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) { 673 flags |= SRC2_IMM; 674 src2_r = src1w; 675 676 /* And swap arguments. */ 677 src1 = src2; 678 src1w = src2w; 679 src2 = SLJIT_IMM; 680 /* src2w = src2_r unneeded. */ 681 } 682 } 683 } 684 685 /* Source 1. */ 686 if (FAST_IS_REG(src1)) 687 src1_r = src1; 688 else if (src1 & SLJIT_IMM) { 689 if (src1w) { 690 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); 691 src1_r = TMP_REG1; 692 } 693 else 694 src1_r = 0; 695 } 696 else { 697 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w)) 698 FAIL_IF(compiler->error); 699 else 700 flags |= SLOW_SRC1; 701 src1_r = TMP_REG1; 702 } 703 704 /* Source 2. */ 705 if (FAST_IS_REG(src2)) { 706 src2_r = src2; 707 flags |= REG2_SOURCE; 708 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) 709 dst_r = src2_r; 710 } 711 else if (src2 & SLJIT_IMM) { 712 if (!(flags & SRC2_IMM)) { 713 if (src2w) { 714 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); 715 src2_r = sugg_src2_r; 716 } 717 else { 718 src2_r = 0; 719 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) && (dst & SLJIT_MEM)) 720 dst_r = 0; 721 } 722 } 723 } 724 else { 725 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w)) 726 FAIL_IF(compiler->error); 727 else 728 flags |= SLOW_SRC2; 729 src2_r = sugg_src2_r; 730 } 731 732 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 733 SLJIT_ASSERT(src2_r == TMP_REG2); 734 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 735 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); 736 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 737 } 738 else { 739 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); 740 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); 741 } 742 } 743 else if (flags & SLOW_SRC1) 744 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 745 else if (flags & SLOW_SRC2) 746 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); 747 748 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 749 750 if (dst & SLJIT_MEM) { 751 if (!(flags & SLOW_DEST)) { 752 getput_arg_fast(compiler, flags, dst_r, dst, dstw); 753 return compiler->error; 754 } 755 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0); 756 } 757 758 return SLJIT_SUCCESS; 759 } 760 761 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op) 762 { 763 CHECK_ERROR(); 764 CHECK(check_sljit_emit_op0(compiler, op)); 765 766 op = GET_OPCODE(op); 767 switch (op) { 768 case SLJIT_BREAKPOINT: 769 return push_inst(compiler, TA, UNMOVABLE_INS); 770 case SLJIT_NOP: 771 return push_inst(compiler, NOP, UNMOVABLE_INS); 772 case SLJIT_LUMUL: 773 case SLJIT_LSMUL: 774 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 775 FAIL_IF(push_inst(compiler, (op == SLJIT_LUMUL ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 776 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1)); 777 #else 778 #error "Implementation required" 779 #endif 780 case SLJIT_UDIVMOD: 781 case SLJIT_SDIVMOD: 782 case SLJIT_UDIVI: 783 case SLJIT_SDIVI: 784 SLJIT_COMPILE_ASSERT((SLJIT_UDIVMOD & 0x2) == 0 && SLJIT_UDIVI - 0x2 == SLJIT_UDIVMOD, bad_div_opcode_assignments); 785 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 786 if ((op | 0x2) == SLJIT_UDIVI) 787 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS)); 788 else { 789 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1))); 790 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS)); 791 } 792 if (op <= SLJIT_SDIVMOD) 793 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2))); 794 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_UDIVI ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 795 if (op >= SLJIT_UDIVI) 796 return SLJIT_SUCCESS; 797 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1))); 798 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1)); 799 #else 800 #error "Implementation required" 801 #endif 802 } 803 804 return SLJIT_SUCCESS; 805 } 806 807 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op, 808 sljit_si dst, sljit_sw dstw, 809 sljit_si src, sljit_sw srcw) 810 { 811 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0; 812 813 CHECK_ERROR(); 814 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); 815 ADJUST_LOCAL_OFFSET(dst, dstw); 816 ADJUST_LOCAL_OFFSET(src, srcw); 817 818 op = GET_OPCODE(op); 819 switch (op) { 820 case SLJIT_MOV: 821 case SLJIT_MOV_P: 822 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 823 824 case SLJIT_MOV_UI: 825 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 826 827 case SLJIT_MOV_SI: 828 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 829 830 case SLJIT_MOV_UB: 831 return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw); 832 833 case SLJIT_MOV_SB: 834 return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw); 835 836 case SLJIT_MOV_UH: 837 return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw); 838 839 case SLJIT_MOV_SH: 840 return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw); 841 842 case SLJIT_MOVU: 843 case SLJIT_MOVU_P: 844 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 845 846 case SLJIT_MOVU_UI: 847 return emit_op(compiler, SLJIT_MOV_UI, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 848 849 case SLJIT_MOVU_SI: 850 return emit_op(compiler, SLJIT_MOV_SI, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 851 852 case SLJIT_MOVU_UB: 853 return emit_op(compiler, SLJIT_MOV_UB, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_ub)srcw : srcw); 854 855 case SLJIT_MOVU_SB: 856 return emit_op(compiler, SLJIT_MOV_SB, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sb)srcw : srcw); 857 858 case SLJIT_MOVU_UH: 859 return emit_op(compiler, SLJIT_MOV_UH, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_uh)srcw : srcw); 860 861 case SLJIT_MOVU_SH: 862 return emit_op(compiler, SLJIT_MOV_SH, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_sh)srcw : srcw); 863 864 case SLJIT_NOT: 865 case SLJIT_CLZ: 866 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 867 868 case SLJIT_NEG: 869 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); 870 } 871 872 return SLJIT_SUCCESS; 873 } 874 875 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op, 876 sljit_si dst, sljit_sw dstw, 877 sljit_si src1, sljit_sw src1w, 878 sljit_si src2, sljit_sw src2w) 879 { 880 sljit_si flags = GET_FLAGS(op) ? SET_FLAGS : 0; 881 882 CHECK_ERROR(); 883 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 884 ADJUST_LOCAL_OFFSET(dst, dstw); 885 ADJUST_LOCAL_OFFSET(src1, src1w); 886 ADJUST_LOCAL_OFFSET(src2, src2w); 887 888 op = GET_OPCODE(op); 889 switch (op) { 890 case SLJIT_ADD: 891 case SLJIT_ADDC: 892 case SLJIT_MUL: 893 case SLJIT_AND: 894 case SLJIT_OR: 895 case SLJIT_XOR: 896 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 897 898 case SLJIT_SUB: 899 case SLJIT_SUBC: 900 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 901 902 case SLJIT_SHL: 903 case SLJIT_LSHR: 904 case SLJIT_ASHR: 905 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 906 if (src2 & SLJIT_IMM) 907 src2w &= 0x1f; 908 #else 909 SLJIT_ASSERT_STOP(); 910 #endif 911 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 912 } 913 914 return SLJIT_SUCCESS; 915 } 916 917 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg) 918 { 919 CHECK_REG_INDEX(check_sljit_get_register_index(reg)); 920 return reg_map[reg]; 921 } 922 923 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg) 924 { 925 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); 926 return reg << 1; 927 } 928 929 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler, 930 void *instruction, sljit_si size) 931 { 932 CHECK_ERROR(); 933 CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); 934 935 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); 936 } 937 938 /* --------------------------------------------------------------------- */ 939 /* Floating point operators */ 940 /* --------------------------------------------------------------------- */ 941 942 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void) 943 { 944 #ifdef SLJIT_IS_FPU_AVAILABLE 945 return SLJIT_IS_FPU_AVAILABLE; 946 #else 947 /* Available by default. */ 948 return 1; 949 #endif 950 } 951 952 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_SINGLE_OP) >> 7)) 953 #define SELECT_FOP(op, single, double) ((op & SLJIT_SINGLE_OP) ? single : double) 954 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw)) 955 956 static SLJIT_INLINE sljit_si sljit_emit_fop1_convw_fromd(struct sljit_compiler *compiler, sljit_si op, 957 sljit_si dst, sljit_sw dstw, 958 sljit_si src, sljit_sw srcw) 959 { 960 if (src & SLJIT_MEM) { 961 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 962 src = TMP_FREG1; 963 } 964 else 965 src <<= 1; 966 967 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS)); 968 969 if (dst == SLJIT_UNUSED) 970 return SLJIT_SUCCESS; 971 972 if (FAST_IS_REG(dst)) { 973 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); 974 return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET); 975 } 976 977 /* Store the integer value from a VFP register. */ 978 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); 979 } 980 981 static SLJIT_INLINE sljit_si sljit_emit_fop1_convd_fromw(struct sljit_compiler *compiler, sljit_si op, 982 sljit_si dst, sljit_sw dstw, 983 sljit_si src, sljit_sw srcw) 984 { 985 sljit_si dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 986 987 if (src & SLJIT_IMM) { 988 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) 989 if (GET_OPCODE(op) == SLJIT_CONVD_FROMI) 990 srcw = (sljit_si)srcw; 991 #endif 992 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); 993 src = TMP_REG1; 994 srcw = 0; 995 } 996 997 if (FAST_IS_REG(src)) { 998 FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET)); 999 src = SLJIT_MEM1(SLJIT_SP); 1000 srcw = FLOAT_TMP_MEM_OFFSET; 1001 } 1002 1003 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 1004 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS)); 1005 1006 if (dst & SLJIT_MEM) 1007 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); 1008 return SLJIT_SUCCESS; 1009 } 1010 1011 static SLJIT_INLINE sljit_si sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_si op, 1012 sljit_si src1, sljit_sw src1w, 1013 sljit_si src2, sljit_sw src2w) 1014 { 1015 if (src1 & SLJIT_MEM) { 1016 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1017 src1 = TMP_FREG1; 1018 } 1019 else 1020 src1 <<= 1; 1021 1022 if (src2 & SLJIT_MEM) { 1023 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); 1024 src2 = TMP_FREG2; 1025 } 1026 else 1027 src2 <<= 1; 1028 1029 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS); 1030 } 1031 1032 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op, 1033 sljit_si dst, sljit_sw dstw, 1034 sljit_si src, sljit_sw srcw) 1035 { 1036 sljit_si dst_r; 1037 1038 CHECK_ERROR(); 1039 compiler->cache_arg = 0; 1040 compiler->cache_argw = 0; 1041 1042 SLJIT_COMPILE_ASSERT((SLJIT_SINGLE_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); 1043 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); 1044 1045 if (GET_OPCODE(op) == SLJIT_CONVD_FROMS) 1046 op ^= SLJIT_SINGLE_OP; 1047 1048 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1049 1050 if (src & SLJIT_MEM) { 1051 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); 1052 src = dst_r; 1053 } 1054 else 1055 src <<= 1; 1056 1057 switch (GET_OPCODE(op)) { 1058 case SLJIT_DMOV: 1059 if (src != dst_r) { 1060 if (dst_r != TMP_FREG1) { 1061 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1062 if (!(op & SLJIT_SINGLE_OP)) 1063 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1064 } 1065 else 1066 dst_r = src; 1067 } 1068 break; 1069 case SLJIT_DNEG: 1070 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1071 if (dst_r != src && !(op & SLJIT_SINGLE_OP)) 1072 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1073 break; 1074 case SLJIT_DABS: 1075 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1076 if (dst_r != src && !(op & SLJIT_SINGLE_OP)) 1077 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1078 break; 1079 case SLJIT_CONVD_FROMS: 1080 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS)); 1081 op ^= SLJIT_SINGLE_OP; 1082 break; 1083 } 1084 1085 if (dst & SLJIT_MEM) 1086 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0)); 1087 return SLJIT_SUCCESS; 1088 } 1089 1090 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op, 1091 sljit_si dst, sljit_sw dstw, 1092 sljit_si src1, sljit_sw src1w, 1093 sljit_si src2, sljit_sw src2w) 1094 { 1095 sljit_si dst_r, flags = 0; 1096 1097 CHECK_ERROR(); 1098 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 1099 ADJUST_LOCAL_OFFSET(dst, dstw); 1100 ADJUST_LOCAL_OFFSET(src1, src1w); 1101 ADJUST_LOCAL_OFFSET(src2, src2w); 1102 1103 compiler->cache_arg = 0; 1104 compiler->cache_argw = 0; 1105 1106 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2; 1107 1108 if (src1 & SLJIT_MEM) { 1109 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { 1110 FAIL_IF(compiler->error); 1111 src1 = TMP_FREG1; 1112 } else 1113 flags |= SLOW_SRC1; 1114 } 1115 else 1116 src1 <<= 1; 1117 1118 if (src2 & SLJIT_MEM) { 1119 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { 1120 FAIL_IF(compiler->error); 1121 src2 = TMP_FREG2; 1122 } else 1123 flags |= SLOW_SRC2; 1124 } 1125 else 1126 src2 <<= 1; 1127 1128 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 1129 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 1130 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); 1131 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1132 } 1133 else { 1134 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1135 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1136 } 1137 } 1138 else if (flags & SLOW_SRC1) 1139 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1140 else if (flags & SLOW_SRC2) 1141 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1142 1143 if (flags & SLOW_SRC1) 1144 src1 = TMP_FREG1; 1145 if (flags & SLOW_SRC2) 1146 src2 = TMP_FREG2; 1147 1148 switch (GET_OPCODE(op)) { 1149 case SLJIT_DADD: 1150 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1151 break; 1152 1153 case SLJIT_DSUB: 1154 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1155 break; 1156 1157 case SLJIT_DMUL: 1158 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1159 break; 1160 1161 case SLJIT_DDIV: 1162 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1163 break; 1164 } 1165 1166 if (dst_r == TMP_FREG2) 1167 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); 1168 1169 return SLJIT_SUCCESS; 1170 } 1171 1172 #undef FLOAT_DATA 1173 #undef SELECT_FOP 1174 1175 /* --------------------------------------------------------------------- */ 1176 /* Other instructions */ 1177 /* --------------------------------------------------------------------- */ 1178 1179 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw) 1180 { 1181 CHECK_ERROR(); 1182 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); 1183 ADJUST_LOCAL_OFFSET(dst, dstw); 1184 1185 /* For UNUSED dst. Uncommon, but possible. */ 1186 if (dst == SLJIT_UNUSED) 1187 return SLJIT_SUCCESS; 1188 1189 if (FAST_IS_REG(dst)) 1190 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst)); 1191 1192 /* Memory. */ 1193 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw); 1194 } 1195 1196 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw) 1197 { 1198 CHECK_ERROR(); 1199 CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); 1200 ADJUST_LOCAL_OFFSET(src, srcw); 1201 1202 if (FAST_IS_REG(src)) 1203 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK))); 1204 else if (src & SLJIT_MEM) 1205 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw)); 1206 else if (src & SLJIT_IMM) 1207 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw)); 1208 1209 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS)); 1210 return push_inst(compiler, NOP, UNMOVABLE_INS); 1211 } 1212 1213 /* --------------------------------------------------------------------- */ 1214 /* Conditional instructions */ 1215 /* --------------------------------------------------------------------- */ 1216 1217 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) 1218 { 1219 struct sljit_label *label; 1220 1221 CHECK_ERROR_PTR(); 1222 CHECK_PTR(check_sljit_emit_label(compiler)); 1223 1224 if (compiler->last_label && compiler->last_label->size == compiler->size) 1225 return compiler->last_label; 1226 1227 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); 1228 PTR_FAIL_IF(!label); 1229 set_label(label, compiler); 1230 compiler->delay_slot = UNMOVABLE_INS; 1231 return label; 1232 } 1233 1234 static sljit_ins get_cc(sljit_si type) 1235 { 1236 switch (type) { 1237 case SLJIT_EQUAL: 1238 case SLJIT_MUL_NOT_OVERFLOW: 1239 case SLJIT_D_NOT_EQUAL: /* Unordered. */ 1240 return DA(0x1); 1241 1242 case SLJIT_NOT_EQUAL: 1243 case SLJIT_MUL_OVERFLOW: 1244 case SLJIT_D_EQUAL: 1245 return DA(0x9); 1246 1247 case SLJIT_LESS: 1248 case SLJIT_D_GREATER: /* Unordered. */ 1249 return DA(0x5); 1250 1251 case SLJIT_GREATER_EQUAL: 1252 case SLJIT_D_LESS_EQUAL: 1253 return DA(0xd); 1254 1255 case SLJIT_GREATER: 1256 case SLJIT_D_GREATER_EQUAL: /* Unordered. */ 1257 return DA(0xc); 1258 1259 case SLJIT_LESS_EQUAL: 1260 case SLJIT_D_LESS: 1261 return DA(0x4); 1262 1263 case SLJIT_SIG_LESS: 1264 return DA(0x3); 1265 1266 case SLJIT_SIG_GREATER_EQUAL: 1267 return DA(0xb); 1268 1269 case SLJIT_SIG_GREATER: 1270 return DA(0xa); 1271 1272 case SLJIT_SIG_LESS_EQUAL: 1273 return DA(0x2); 1274 1275 case SLJIT_OVERFLOW: 1276 case SLJIT_D_UNORDERED: 1277 return DA(0x7); 1278 1279 case SLJIT_NOT_OVERFLOW: 1280 case SLJIT_D_ORDERED: 1281 return DA(0xf); 1282 1283 default: 1284 SLJIT_ASSERT_STOP(); 1285 return DA(0x8); 1286 } 1287 } 1288 1289 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type) 1290 { 1291 struct sljit_jump *jump; 1292 1293 CHECK_ERROR_PTR(); 1294 CHECK_PTR(check_sljit_emit_jump(compiler, type)); 1295 1296 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1297 PTR_FAIL_IF(!jump); 1298 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1299 type &= 0xff; 1300 1301 if (type < SLJIT_D_EQUAL) { 1302 jump->flags |= IS_COND; 1303 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET)) 1304 jump->flags |= IS_MOVABLE; 1305 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1306 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1307 #else 1308 #error "Implementation required" 1309 #endif 1310 } 1311 else if (type < SLJIT_JUMP) { 1312 jump->flags |= IS_COND; 1313 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET)) 1314 jump->flags |= IS_MOVABLE; 1315 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1316 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1317 #else 1318 #error "Implementation required" 1319 #endif 1320 } else { 1321 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1322 jump->flags |= IS_MOVABLE; 1323 if (type >= SLJIT_FAST_CALL) 1324 jump->flags |= IS_CALL; 1325 } 1326 1327 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1328 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS)); 1329 jump->addr = compiler->size; 1330 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1331 1332 return jump; 1333 } 1334 1335 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw) 1336 { 1337 struct sljit_jump *jump = NULL; 1338 sljit_si src_r; 1339 1340 CHECK_ERROR(); 1341 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 1342 ADJUST_LOCAL_OFFSET(src, srcw); 1343 1344 if (FAST_IS_REG(src)) 1345 src_r = src; 1346 else if (src & SLJIT_IMM) { 1347 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1348 FAIL_IF(!jump); 1349 set_jump(jump, compiler, JUMP_ADDR); 1350 jump->u.target = srcw; 1351 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1352 jump->flags |= IS_MOVABLE; 1353 if (type >= SLJIT_FAST_CALL) 1354 jump->flags |= IS_CALL; 1355 1356 FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1357 src_r = TMP_REG2; 1358 } 1359 else { 1360 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw)); 1361 src_r = TMP_REG2; 1362 } 1363 1364 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS)); 1365 if (jump) 1366 jump->addr = compiler->size; 1367 return push_inst(compiler, NOP, UNMOVABLE_INS); 1368 } 1369 1370 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op, 1371 sljit_si dst, sljit_sw dstw, 1372 sljit_si src, sljit_sw srcw, 1373 sljit_si type) 1374 { 1375 sljit_si reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0); 1376 1377 CHECK_ERROR(); 1378 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); 1379 ADJUST_LOCAL_OFFSET(dst, dstw); 1380 1381 if (dst == SLJIT_UNUSED) 1382 return SLJIT_SUCCESS; 1383 1384 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1385 op = GET_OPCODE(op); 1386 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; 1387 1388 compiler->cache_arg = 0; 1389 compiler->cache_argw = 0; 1390 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { 1391 ADJUST_LOCAL_OFFSET(src, srcw); 1392 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); 1393 src = TMP_REG1; 1394 srcw = 0; 1395 } 1396 1397 type &= 0xff; 1398 if (type < SLJIT_D_EQUAL) 1399 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS)); 1400 else 1401 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS)); 1402 1403 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS)); 1404 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS)); 1405 1406 if (op >= SLJIT_ADD) 1407 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); 1408 1409 return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS; 1410 #else 1411 #error "Implementation required" 1412 #endif 1413 } 1414 1415 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value) 1416 { 1417 sljit_si reg; 1418 struct sljit_const *const_; 1419 1420 CHECK_ERROR_PTR(); 1421 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); 1422 ADJUST_LOCAL_OFFSET(dst, dstw); 1423 1424 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); 1425 PTR_FAIL_IF(!const_); 1426 set_const(const_, compiler); 1427 1428 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; 1429 1430 PTR_FAIL_IF(emit_const(compiler, reg, init_value)); 1431 1432 if (dst & SLJIT_MEM) 1433 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); 1434 return const_; 1435 } 1436
