1 /* $NetBSD: sljitNativeSPARC_common.c,v 1.3 2016/05/29 17:09:33 alnsn Exp $ */ 2 3 /* 4 * Stack-less Just-In-Time compiler 5 * 6 * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without modification, are 9 * permitted provided that the following conditions are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright notice, this list of 12 * conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 15 * of conditions and the following disclaimer in the documentation and/or other materials 16 * provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 21 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 23 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) 30 { 31 return "SPARC" SLJIT_CPUINFO; 32 } 33 34 /* Length of an instruction word 35 Both for sparc-32 and sparc-64 */ 36 typedef sljit_u32 sljit_ins; 37 38 #if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) 39 40 static void sparc_cache_flush(sljit_ins *from, sljit_ins *to) 41 { 42 #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590 43 __asm ( 44 /* if (from == to) return */ 45 "cmp %i0, %i1\n" 46 "be .leave\n" 47 "nop\n" 48 49 /* loop until from >= to */ 50 ".mainloop:\n" 51 "flush %i0\n" 52 "add %i0, 8, %i0\n" 53 "cmp %i0, %i1\n" 54 "bcs .mainloop\n" 55 "nop\n" 56 57 /* The comparison was done above. */ 58 "bne .leave\n" 59 /* nop is not necessary here, since the 60 sub operation has no side effect. */ 61 "sub %i0, 4, %i0\n" 62 "flush %i0\n" 63 ".leave:" 64 ); 65 #else 66 if (SLJIT_UNLIKELY(from == to)) 67 return; 68 69 do { 70 __asm__ volatile ( 71 "flush %0\n" 72 : : "r"(from) 73 ); 74 /* Operates at least on doubleword. */ 75 from += 2; 76 } while (from < to); 77 78 if (from == to) { 79 /* Flush the last word. */ 80 from --; 81 __asm__ volatile ( 82 "flush %0\n" 83 : : "r"(from) 84 ); 85 } 86 #endif 87 } 88 89 #endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */ 90 91 /* TMP_REG2 is not used by getput_arg */ 92 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) 93 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) 94 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) 95 #define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5) 96 97 #define TMP_FREG1 (0) 98 #define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1) 99 100 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = { 101 0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15 102 }; 103 104 /* --------------------------------------------------------------------- */ 105 /* Instrucion forms */ 106 /* --------------------------------------------------------------------- */ 107 108 #define D(d) (reg_map[d] << 25) 109 #define DA(d) ((d) << 25) 110 #define S1(s1) (reg_map[s1] << 14) 111 #define S2(s2) (reg_map[s2]) 112 #define S1A(s1) ((s1) << 14) 113 #define S2A(s2) (s2) 114 #define IMM_ARG 0x2000 115 #define DOP(op) ((op) << 5) 116 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG) 117 118 #define DR(dr) (reg_map[dr]) 119 #define OPC1(opcode) ((opcode) << 30) 120 #define OPC2(opcode) ((opcode) << 22) 121 #define OPC3(opcode) ((opcode) << 19) 122 #define SET_FLAGS OPC3(0x10) 123 124 #define ADD (OPC1(0x2) | OPC3(0x00)) 125 #define ADDC (OPC1(0x2) | OPC3(0x08)) 126 #define AND (OPC1(0x2) | OPC3(0x01)) 127 #define ANDN (OPC1(0x2) | OPC3(0x05)) 128 #define CALL (OPC1(0x1)) 129 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09)) 130 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42)) 131 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41)) 132 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52)) 133 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51)) 134 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e)) 135 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d)) 136 #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2)) 137 #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6)) 138 #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8)) 139 #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4)) 140 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01)) 141 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a)) 142 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49)) 143 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05)) 144 #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9)) 145 #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1)) 146 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46)) 147 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45)) 148 #define JMPL (OPC1(0x2) | OPC3(0x38)) 149 #define NOP (OPC1(0x0) | OPC2(0x04)) 150 #define OR (OPC1(0x2) | OPC3(0x02)) 151 #define ORN (OPC1(0x2) | OPC3(0x06)) 152 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0)) 153 #define RESTORE (OPC1(0x2) | OPC3(0x3d)) 154 #define SAVE (OPC1(0x2) | OPC3(0x3c)) 155 #define SETHI (OPC1(0x0) | OPC2(0x04)) 156 #define SLL (OPC1(0x2) | OPC3(0x25)) 157 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12)) 158 #define SRA (OPC1(0x2) | OPC3(0x27)) 159 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12)) 160 #define SRL (OPC1(0x2) | OPC3(0x26)) 161 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12)) 162 #define SUB (OPC1(0x2) | OPC3(0x04)) 163 #define SUBC (OPC1(0x2) | OPC3(0x0c)) 164 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25)) 165 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0)) 166 #define XOR (OPC1(0x2) | OPC3(0x03)) 167 #define XNOR (OPC1(0x2) | OPC3(0x07)) 168 169 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 170 #define MAX_DISP (0x1fffff) 171 #define MIN_DISP (-0x200000) 172 #define DISP_MASK (0x3fffff) 173 174 #define BICC (OPC1(0x0) | OPC2(0x2)) 175 #define FBFCC (OPC1(0x0) | OPC2(0x6)) 176 #define SLL_W SLL 177 #define SDIV (OPC1(0x2) | OPC3(0x0f)) 178 #define SMUL (OPC1(0x2) | OPC3(0x0b)) 179 #define UDIV (OPC1(0x2) | OPC3(0x0e)) 180 #define UMUL (OPC1(0x2) | OPC3(0x0a)) 181 #else 182 #define SLL_W SLLX 183 #endif 184 185 #define SIMM_MAX (0x0fff) 186 #define SIMM_MIN (-0x1000) 187 188 /* dest_reg is the absolute name of the register 189 Useful for reordering instructions in the delay slot. */ 190 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot) 191 { 192 sljit_ins *ptr; 193 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS 194 || (delay_slot & DST_INS_MASK) == MOVABLE_INS 195 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f)); 196 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); 197 FAIL_IF(!ptr); 198 *ptr = ins; 199 compiler->size++; 200 compiler->delay_slot = delay_slot; 201 return SLJIT_SUCCESS; 202 } 203 204 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) 205 { 206 sljit_sw diff; 207 sljit_uw target_addr; 208 sljit_ins *inst; 209 sljit_ins saved_inst; 210 211 if (jump->flags & SLJIT_REWRITABLE_JUMP) 212 return code_ptr; 213 214 if (jump->flags & JUMP_ADDR) 215 target_addr = jump->u.target; 216 else { 217 SLJIT_ASSERT(jump->flags & JUMP_LABEL); 218 target_addr = (sljit_uw)(code + jump->u.label->size); 219 } 220 inst = (sljit_ins*)jump->addr; 221 222 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 223 if (jump->flags & IS_CALL) { 224 /* Call is always patchable on sparc 32. */ 225 jump->flags |= PATCH_CALL; 226 if (jump->flags & IS_MOVABLE) { 227 inst[0] = inst[-1]; 228 inst[-1] = CALL; 229 jump->addr -= sizeof(sljit_ins); 230 return inst; 231 } 232 inst[0] = CALL; 233 inst[1] = NOP; 234 return inst + 1; 235 } 236 #else 237 /* Both calls and BPr instructions shall not pass this point. */ 238 #error "Implementation required" 239 #endif 240 241 if (jump->flags & IS_COND) 242 inst--; 243 244 if (jump->flags & IS_MOVABLE) { 245 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2; 246 if (diff <= MAX_DISP && diff >= MIN_DISP) { 247 jump->flags |= PATCH_B; 248 inst--; 249 if (jump->flags & IS_COND) { 250 saved_inst = inst[0]; 251 inst[0] = inst[1] ^ (1 << 28); 252 inst[1] = saved_inst; 253 } else { 254 inst[1] = inst[0]; 255 inst[0] = BICC | DA(0x8); 256 } 257 jump->addr = (sljit_uw)inst; 258 return inst + 1; 259 } 260 } 261 262 diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2; 263 if (diff <= MAX_DISP && diff >= MIN_DISP) { 264 jump->flags |= PATCH_B; 265 if (jump->flags & IS_COND) 266 inst[0] ^= (1 << 28); 267 else 268 inst[0] = BICC | DA(0x8); 269 inst[1] = NOP; 270 jump->addr = (sljit_uw)inst; 271 return inst + 1; 272 } 273 274 return code_ptr; 275 } 276 277 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) 278 { 279 struct sljit_memory_fragment *buf; 280 sljit_ins *code; 281 sljit_ins *code_ptr; 282 sljit_ins *buf_ptr; 283 sljit_ins *buf_end; 284 sljit_uw word_count; 285 sljit_uw addr; 286 287 struct sljit_label *label; 288 struct sljit_jump *jump; 289 struct sljit_const *const_; 290 291 CHECK_ERROR_PTR(); 292 CHECK_PTR(check_sljit_generate_code(compiler)); 293 reverse_buf(compiler); 294 295 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); 296 PTR_FAIL_WITH_EXEC_IF(code); 297 buf = compiler->buf; 298 299 code_ptr = code; 300 word_count = 0; 301 label = compiler->labels; 302 jump = compiler->jumps; 303 const_ = compiler->consts; 304 do { 305 buf_ptr = (sljit_ins*)buf->memory; 306 buf_end = buf_ptr + (buf->used_size >> 2); 307 do { 308 *code_ptr = *buf_ptr++; 309 SLJIT_ASSERT(!label || label->size >= word_count); 310 SLJIT_ASSERT(!jump || jump->addr >= word_count); 311 SLJIT_ASSERT(!const_ || const_->addr >= word_count); 312 /* These structures are ordered by their address. */ 313 if (label && label->size == word_count) { 314 /* Just recording the address. */ 315 label->addr = (sljit_uw)code_ptr; 316 label->size = code_ptr - code; 317 label = label->next; 318 } 319 if (jump && jump->addr == word_count) { 320 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 321 jump->addr = (sljit_uw)(code_ptr - 3); 322 #else 323 jump->addr = (sljit_uw)(code_ptr - 6); 324 #endif 325 code_ptr = detect_jump_type(jump, code_ptr, code); 326 jump = jump->next; 327 } 328 if (const_ && const_->addr == word_count) { 329 /* Just recording the address. */ 330 const_->addr = (sljit_uw)code_ptr; 331 const_ = const_->next; 332 } 333 code_ptr ++; 334 word_count ++; 335 } while (buf_ptr < buf_end); 336 337 buf = buf->next; 338 } while (buf); 339 340 if (label && label->size == word_count) { 341 label->addr = (sljit_uw)code_ptr; 342 label->size = code_ptr - code; 343 label = label->next; 344 } 345 346 SLJIT_ASSERT(!label); 347 SLJIT_ASSERT(!jump); 348 SLJIT_ASSERT(!const_); 349 SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size); 350 351 jump = compiler->jumps; 352 while (jump) { 353 do { 354 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; 355 buf_ptr = (sljit_ins*)jump->addr; 356 357 if (jump->flags & PATCH_CALL) { 358 addr = (sljit_sw)(addr - jump->addr) >> 2; 359 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000); 360 buf_ptr[0] = CALL | (addr & 0x3fffffff); 361 break; 362 } 363 if (jump->flags & PATCH_B) { 364 addr = (sljit_sw)(addr - jump->addr) >> 2; 365 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP); 366 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK); 367 break; 368 } 369 370 /* Set the fields of immediate loads. */ 371 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 372 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff); 373 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff); 374 #else 375 #error "Implementation required" 376 #endif 377 } while (0); 378 jump = jump->next; 379 } 380 381 382 compiler->error = SLJIT_ERR_COMPILED; 383 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); 384 SLJIT_CACHE_FLUSH(code, code_ptr); 385 return code; 386 } 387 388 /* --------------------------------------------------------------------- */ 389 /* Entry, exit */ 390 /* --------------------------------------------------------------------- */ 391 392 /* Creates an index in data_transfer_insts array. */ 393 #define LOAD_DATA 0x01 394 #define WORD_DATA 0x00 395 #define BYTE_DATA 0x02 396 #define HALF_DATA 0x04 397 #define INT_DATA 0x06 398 #define SIGNED_DATA 0x08 399 /* Separates integer and floating point registers */ 400 #define GPR_REG 0x0f 401 #define DOUBLE_DATA 0x10 402 #define SINGLE_DATA 0x12 403 404 #define MEM_MASK 0x1f 405 406 #define WRITE_BACK 0x00020 407 #define ARG_TEST 0x00040 408 #define ALT_KEEP_CACHE 0x00080 409 #define CUMULATIVE_OP 0x00100 410 #define IMM_OP 0x00200 411 #define SRC2_IMM 0x00400 412 413 #define REG_DEST 0x00800 414 #define REG2_SOURCE 0x01000 415 #define SLOW_SRC1 0x02000 416 #define SLOW_SRC2 0x04000 417 #define SLOW_DEST 0x08000 418 419 /* SET_FLAGS (0x10 << 19) also belong here! */ 420 421 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 422 #include "sljitNativeSPARC_32.c" 423 #else 424 #include "sljitNativeSPARC_64.c" 425 #endif 426 427 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, 428 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 429 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 430 { 431 CHECK_ERROR(); 432 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 433 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 434 435 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 436 compiler->local_size = local_size; 437 438 if (local_size <= SIMM_MAX) { 439 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS)); 440 } 441 else { 442 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size)); 443 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS)); 444 } 445 446 /* Arguments are in their appropriate registers. */ 447 448 return SLJIT_SUCCESS; 449 } 450 451 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, 452 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 453 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 454 { 455 CHECK_ERROR(); 456 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 457 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 458 459 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 460 return SLJIT_SUCCESS; 461 } 462 463 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) 464 { 465 CHECK_ERROR(); 466 CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 467 468 if (op != SLJIT_MOV || !FAST_IS_REG(src)) { 469 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 470 src = SLJIT_R0; 471 } 472 473 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS)); 474 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS); 475 } 476 477 /* --------------------------------------------------------------------- */ 478 /* Operators */ 479 /* --------------------------------------------------------------------- */ 480 481 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 482 #define ARCH_32_64(a, b) a 483 #else 484 #define ARCH_32_64(a, b) b 485 #endif 486 487 static const sljit_ins data_transfer_insts[16 + 4] = { 488 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 489 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 490 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */, 491 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */, 492 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */, 493 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */, 494 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */, 495 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */, 496 497 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 498 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 499 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */, 500 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */, 501 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */, 502 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */, 503 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */, 504 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */), 505 506 /* d s */ OPC1(3) | OPC3(0x27), 507 /* d l */ OPC1(3) | OPC3(0x23), 508 /* s s */ OPC1(3) | OPC3(0x24), 509 /* s l */ OPC1(3) | OPC3(0x20), 510 }; 511 512 #undef ARCH_32_64 513 514 /* Can perform an operation using at most 1 instruction. */ 515 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) 516 { 517 SLJIT_ASSERT(arg & SLJIT_MEM); 518 519 if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) { 520 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) 521 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) { 522 /* Works for both absoulte and relative addresses (immediate case). */ 523 if (SLJIT_UNLIKELY(flags & ARG_TEST)) 524 return 1; 525 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] 526 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)) 527 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)), 528 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS)); 529 return -1; 530 } 531 } 532 return 0; 533 } 534 535 /* See getput_arg below. 536 Note: can_cache is called only for binary operators. Those 537 operators always uses word arguments without write back. */ 538 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 539 { 540 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); 541 542 /* Simple operation except for updates. */ 543 if (arg & OFFS_REG_MASK) { 544 argw &= 0x3; 545 SLJIT_ASSERT(argw); 546 next_argw &= 0x3; 547 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw) 548 return 1; 549 return 0; 550 } 551 552 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) 553 return 1; 554 return 0; 555 } 556 557 /* Emit the necessary instructions. See can_cache above. */ 558 static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 559 { 560 sljit_s32 base, arg2, delay_slot; 561 sljit_ins dest; 562 563 SLJIT_ASSERT(arg & SLJIT_MEM); 564 if (!(next_arg & SLJIT_MEM)) { 565 next_arg = 0; 566 next_argw = 0; 567 } 568 569 base = arg & REG_MASK; 570 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 571 argw &= 0x3; 572 SLJIT_ASSERT(argw != 0); 573 574 /* Using the cache. */ 575 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw)) 576 arg2 = TMP_REG3; 577 else { 578 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) { 579 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); 580 compiler->cache_argw = argw; 581 arg2 = TMP_REG3; 582 } 583 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg)) 584 arg2 = reg; 585 else /* It must be a mov operation, so tmp1 must be free to use. */ 586 arg2 = TMP_REG1; 587 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2))); 588 } 589 } 590 else { 591 /* Using the cache. */ 592 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) { 593 if (argw != compiler->cache_argw) { 594 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 595 compiler->cache_argw = argw; 596 } 597 arg2 = TMP_REG3; 598 } else { 599 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) { 600 compiler->cache_arg = SLJIT_MEM; 601 compiler->cache_argw = argw; 602 arg2 = TMP_REG3; 603 } 604 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base) 605 arg2 = reg; 606 else /* It must be a mov operation, so tmp1 must be free to use. */ 607 arg2 = TMP_REG1; 608 FAIL_IF(load_immediate(compiler, arg2, argw)); 609 } 610 } 611 612 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)); 613 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS; 614 if (!base) 615 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot); 616 if (!(flags & WRITE_BACK)) 617 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot); 618 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot)); 619 return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base)); 620 } 621 622 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) 623 { 624 if (getput_arg_fast(compiler, flags, reg, arg, argw)) 625 return compiler->error; 626 compiler->cache_arg = 0; 627 compiler->cache_argw = 0; 628 return getput_arg(compiler, flags, reg, arg, argw, 0, 0); 629 } 630 631 static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w) 632 { 633 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) 634 return compiler->error; 635 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); 636 } 637 638 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, 639 sljit_s32 dst, sljit_sw dstw, 640 sljit_s32 src1, sljit_sw src1w, 641 sljit_s32 src2, sljit_sw src2w) 642 { 643 /* arg1 goes to TMP_REG1 or src reg 644 arg2 goes to TMP_REG2, imm or src reg 645 TMP_REG3 can be used for caching 646 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ 647 sljit_s32 dst_r = TMP_REG2; 648 sljit_s32 src1_r; 649 sljit_sw src2_r = 0; 650 sljit_s32 sugg_src2_r = TMP_REG2; 651 652 if (!(flags & ALT_KEEP_CACHE)) { 653 compiler->cache_arg = 0; 654 compiler->cache_argw = 0; 655 } 656 657 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { 658 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM)) 659 return SLJIT_SUCCESS; 660 } 661 else if (FAST_IS_REG(dst)) { 662 dst_r = dst; 663 flags |= REG_DEST; 664 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 665 sugg_src2_r = dst_r; 666 } 667 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw)) 668 flags |= SLOW_DEST; 669 670 if (flags & IMM_OP) { 671 if ((src2 & SLJIT_IMM) && src2w) { 672 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) { 673 flags |= SRC2_IMM; 674 src2_r = src2w; 675 } 676 } 677 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { 678 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) { 679 flags |= SRC2_IMM; 680 src2_r = src1w; 681 682 /* And swap arguments. */ 683 src1 = src2; 684 src1w = src2w; 685 src2 = SLJIT_IMM; 686 /* src2w = src2_r unneeded. */ 687 } 688 } 689 } 690 691 /* Source 1. */ 692 if (FAST_IS_REG(src1)) 693 src1_r = src1; 694 else if (src1 & SLJIT_IMM) { 695 if (src1w) { 696 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); 697 src1_r = TMP_REG1; 698 } 699 else 700 src1_r = 0; 701 } 702 else { 703 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w)) 704 FAIL_IF(compiler->error); 705 else 706 flags |= SLOW_SRC1; 707 src1_r = TMP_REG1; 708 } 709 710 /* Source 2. */ 711 if (FAST_IS_REG(src2)) { 712 src2_r = src2; 713 flags |= REG2_SOURCE; 714 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 715 dst_r = src2_r; 716 } 717 else if (src2 & SLJIT_IMM) { 718 if (!(flags & SRC2_IMM)) { 719 if (src2w) { 720 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); 721 src2_r = sugg_src2_r; 722 } 723 else { 724 src2_r = 0; 725 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM)) 726 dst_r = 0; 727 } 728 } 729 } 730 else { 731 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w)) 732 FAIL_IF(compiler->error); 733 else 734 flags |= SLOW_SRC2; 735 src2_r = sugg_src2_r; 736 } 737 738 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 739 SLJIT_ASSERT(src2_r == TMP_REG2); 740 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 741 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); 742 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 743 } 744 else { 745 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); 746 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); 747 } 748 } 749 else if (flags & SLOW_SRC1) 750 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 751 else if (flags & SLOW_SRC2) 752 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); 753 754 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 755 756 if (dst & SLJIT_MEM) { 757 if (!(flags & SLOW_DEST)) { 758 getput_arg_fast(compiler, flags, dst_r, dst, dstw); 759 return compiler->error; 760 } 761 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0); 762 } 763 764 return SLJIT_SUCCESS; 765 } 766 767 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) 768 { 769 CHECK_ERROR(); 770 CHECK(check_sljit_emit_op0(compiler, op)); 771 772 op = GET_OPCODE(op); 773 switch (op) { 774 case SLJIT_BREAKPOINT: 775 return push_inst(compiler, TA, UNMOVABLE_INS); 776 case SLJIT_NOP: 777 return push_inst(compiler, NOP, UNMOVABLE_INS); 778 case SLJIT_LMUL_UW: 779 case SLJIT_LMUL_SW: 780 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 781 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 782 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1)); 783 #else 784 #error "Implementation required" 785 #endif 786 case SLJIT_DIVMOD_UW: 787 case SLJIT_DIVMOD_SW: 788 case SLJIT_DIV_UW: 789 case SLJIT_DIV_SW: 790 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments); 791 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 792 if ((op | 0x2) == SLJIT_DIV_UW) 793 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS)); 794 else { 795 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1))); 796 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS)); 797 } 798 if (op <= SLJIT_DIVMOD_SW) 799 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2))); 800 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 801 if (op >= SLJIT_DIV_UW) 802 return SLJIT_SUCCESS; 803 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1))); 804 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1)); 805 #else 806 #error "Implementation required" 807 #endif 808 } 809 810 return SLJIT_SUCCESS; 811 } 812 813 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, 814 sljit_s32 dst, sljit_sw dstw, 815 sljit_s32 src, sljit_sw srcw) 816 { 817 sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0; 818 819 CHECK_ERROR(); 820 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); 821 ADJUST_LOCAL_OFFSET(dst, dstw); 822 ADJUST_LOCAL_OFFSET(src, srcw); 823 824 op = GET_OPCODE(op); 825 switch (op) { 826 case SLJIT_MOV: 827 case SLJIT_MOV_P: 828 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 829 830 case SLJIT_MOV_U32: 831 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 832 833 case SLJIT_MOV_S32: 834 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 835 836 case SLJIT_MOV_U8: 837 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 838 839 case SLJIT_MOV_S8: 840 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); 841 842 case SLJIT_MOV_U16: 843 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 844 845 case SLJIT_MOV_S16: 846 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); 847 848 case SLJIT_MOVU: 849 case SLJIT_MOVU_P: 850 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 851 852 case SLJIT_MOVU_U32: 853 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 854 855 case SLJIT_MOVU_S32: 856 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 857 858 case SLJIT_MOVU_U8: 859 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 860 861 case SLJIT_MOVU_S8: 862 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); 863 864 case SLJIT_MOVU_U16: 865 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 866 867 case SLJIT_MOVU_S16: 868 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); 869 870 case SLJIT_NOT: 871 case SLJIT_CLZ: 872 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 873 874 case SLJIT_NEG: 875 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); 876 } 877 878 return SLJIT_SUCCESS; 879 } 880 881 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, 882 sljit_s32 dst, sljit_sw dstw, 883 sljit_s32 src1, sljit_sw src1w, 884 sljit_s32 src2, sljit_sw src2w) 885 { 886 sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0; 887 888 CHECK_ERROR(); 889 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 890 ADJUST_LOCAL_OFFSET(dst, dstw); 891 ADJUST_LOCAL_OFFSET(src1, src1w); 892 ADJUST_LOCAL_OFFSET(src2, src2w); 893 894 op = GET_OPCODE(op); 895 switch (op) { 896 case SLJIT_ADD: 897 case SLJIT_ADDC: 898 case SLJIT_MUL: 899 case SLJIT_AND: 900 case SLJIT_OR: 901 case SLJIT_XOR: 902 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 903 904 case SLJIT_SUB: 905 case SLJIT_SUBC: 906 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 907 908 case SLJIT_SHL: 909 case SLJIT_LSHR: 910 case SLJIT_ASHR: 911 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 912 if (src2 & SLJIT_IMM) 913 src2w &= 0x1f; 914 #else 915 SLJIT_ASSERT_STOP(); 916 #endif 917 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 918 } 919 920 return SLJIT_SUCCESS; 921 } 922 923 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) 924 { 925 CHECK_REG_INDEX(check_sljit_get_register_index(reg)); 926 return reg_map[reg]; 927 } 928 929 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) 930 { 931 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); 932 return reg << 1; 933 } 934 935 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, 936 void *instruction, sljit_s32 size) 937 { 938 CHECK_ERROR(); 939 CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); 940 941 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); 942 } 943 944 /* --------------------------------------------------------------------- */ 945 /* Floating point operators */ 946 /* --------------------------------------------------------------------- */ 947 948 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) 949 { 950 #ifdef SLJIT_IS_FPU_AVAILABLE 951 return SLJIT_IS_FPU_AVAILABLE; 952 #else 953 /* Available by default. */ 954 return 1; 955 #endif 956 } 957 958 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7)) 959 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double) 960 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw)) 961 962 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, 963 sljit_s32 dst, sljit_sw dstw, 964 sljit_s32 src, sljit_sw srcw) 965 { 966 if (src & SLJIT_MEM) { 967 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 968 src = TMP_FREG1; 969 } 970 else 971 src <<= 1; 972 973 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS)); 974 975 if (dst == SLJIT_UNUSED) 976 return SLJIT_SUCCESS; 977 978 if (FAST_IS_REG(dst)) { 979 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)); 980 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); 981 } 982 983 /* Store the integer value from a VFP register. */ 984 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); 985 } 986 987 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, 988 sljit_s32 dst, sljit_sw dstw, 989 sljit_s32 src, sljit_sw srcw) 990 { 991 sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 992 993 if (src & SLJIT_IMM) { 994 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) 995 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) 996 srcw = (sljit_s32)srcw; 997 #endif 998 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); 999 src = TMP_REG1; 1000 srcw = 0; 1001 } 1002 1003 if (FAST_IS_REG(src)) { 1004 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)); 1005 src = SLJIT_MEM1(SLJIT_SP); 1006 srcw = FLOAT_TMP_MEM_OFFSET; 1007 } 1008 1009 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 1010 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS)); 1011 1012 if (dst & SLJIT_MEM) 1013 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); 1014 return SLJIT_SUCCESS; 1015 } 1016 1017 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, 1018 sljit_s32 src1, sljit_sw src1w, 1019 sljit_s32 src2, sljit_sw src2w) 1020 { 1021 if (src1 & SLJIT_MEM) { 1022 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1023 src1 = TMP_FREG1; 1024 } 1025 else 1026 src1 <<= 1; 1027 1028 if (src2 & SLJIT_MEM) { 1029 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); 1030 src2 = TMP_FREG2; 1031 } 1032 else 1033 src2 <<= 1; 1034 1035 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS); 1036 } 1037 1038 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, 1039 sljit_s32 dst, sljit_sw dstw, 1040 sljit_s32 src, sljit_sw srcw) 1041 { 1042 sljit_s32 dst_r; 1043 1044 CHECK_ERROR(); 1045 compiler->cache_arg = 0; 1046 compiler->cache_argw = 0; 1047 1048 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); 1049 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); 1050 1051 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) 1052 op ^= SLJIT_F32_OP; 1053 1054 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1055 1056 if (src & SLJIT_MEM) { 1057 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); 1058 src = dst_r; 1059 } 1060 else 1061 src <<= 1; 1062 1063 switch (GET_OPCODE(op)) { 1064 case SLJIT_MOV_F64: 1065 if (src != dst_r) { 1066 if (dst_r != TMP_FREG1) { 1067 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1068 if (!(op & SLJIT_F32_OP)) 1069 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1070 } 1071 else 1072 dst_r = src; 1073 } 1074 break; 1075 case SLJIT_NEG_F64: 1076 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1077 if (dst_r != src && !(op & SLJIT_F32_OP)) 1078 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1079 break; 1080 case SLJIT_ABS_F64: 1081 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1082 if (dst_r != src && !(op & SLJIT_F32_OP)) 1083 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1084 break; 1085 case SLJIT_CONV_F64_FROM_F32: 1086 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS)); 1087 op ^= SLJIT_F32_OP; 1088 break; 1089 } 1090 1091 if (dst & SLJIT_MEM) 1092 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0)); 1093 return SLJIT_SUCCESS; 1094 } 1095 1096 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, 1097 sljit_s32 dst, sljit_sw dstw, 1098 sljit_s32 src1, sljit_sw src1w, 1099 sljit_s32 src2, sljit_sw src2w) 1100 { 1101 sljit_s32 dst_r, flags = 0; 1102 1103 CHECK_ERROR(); 1104 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 1105 ADJUST_LOCAL_OFFSET(dst, dstw); 1106 ADJUST_LOCAL_OFFSET(src1, src1w); 1107 ADJUST_LOCAL_OFFSET(src2, src2w); 1108 1109 compiler->cache_arg = 0; 1110 compiler->cache_argw = 0; 1111 1112 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2; 1113 1114 if (src1 & SLJIT_MEM) { 1115 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { 1116 FAIL_IF(compiler->error); 1117 src1 = TMP_FREG1; 1118 } else 1119 flags |= SLOW_SRC1; 1120 } 1121 else 1122 src1 <<= 1; 1123 1124 if (src2 & SLJIT_MEM) { 1125 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { 1126 FAIL_IF(compiler->error); 1127 src2 = TMP_FREG2; 1128 } else 1129 flags |= SLOW_SRC2; 1130 } 1131 else 1132 src2 <<= 1; 1133 1134 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 1135 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 1136 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); 1137 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1138 } 1139 else { 1140 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1141 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1142 } 1143 } 1144 else if (flags & SLOW_SRC1) 1145 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1146 else if (flags & SLOW_SRC2) 1147 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1148 1149 if (flags & SLOW_SRC1) 1150 src1 = TMP_FREG1; 1151 if (flags & SLOW_SRC2) 1152 src2 = TMP_FREG2; 1153 1154 switch (GET_OPCODE(op)) { 1155 case SLJIT_ADD_F64: 1156 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1157 break; 1158 1159 case SLJIT_SUB_F64: 1160 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1161 break; 1162 1163 case SLJIT_MUL_F64: 1164 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1165 break; 1166 1167 case SLJIT_DIV_F64: 1168 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1169 break; 1170 } 1171 1172 if (dst_r == TMP_FREG2) 1173 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); 1174 1175 return SLJIT_SUCCESS; 1176 } 1177 1178 #undef FLOAT_DATA 1179 #undef SELECT_FOP 1180 1181 /* --------------------------------------------------------------------- */ 1182 /* Other instructions */ 1183 /* --------------------------------------------------------------------- */ 1184 1185 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) 1186 { 1187 CHECK_ERROR(); 1188 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); 1189 ADJUST_LOCAL_OFFSET(dst, dstw); 1190 1191 /* For UNUSED dst. Uncommon, but possible. */ 1192 if (dst == SLJIT_UNUSED) 1193 return SLJIT_SUCCESS; 1194 1195 if (FAST_IS_REG(dst)) 1196 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst)); 1197 1198 /* Memory. */ 1199 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw); 1200 } 1201 1202 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) 1203 { 1204 CHECK_ERROR(); 1205 CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); 1206 ADJUST_LOCAL_OFFSET(src, srcw); 1207 1208 if (FAST_IS_REG(src)) 1209 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK))); 1210 else if (src & SLJIT_MEM) 1211 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw)); 1212 else if (src & SLJIT_IMM) 1213 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw)); 1214 1215 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS)); 1216 return push_inst(compiler, NOP, UNMOVABLE_INS); 1217 } 1218 1219 /* --------------------------------------------------------------------- */ 1220 /* Conditional instructions */ 1221 /* --------------------------------------------------------------------- */ 1222 1223 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) 1224 { 1225 struct sljit_label *label; 1226 1227 CHECK_ERROR_PTR(); 1228 CHECK_PTR(check_sljit_emit_label(compiler)); 1229 1230 if (compiler->last_label && compiler->last_label->size == compiler->size) 1231 return compiler->last_label; 1232 1233 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); 1234 PTR_FAIL_IF(!label); 1235 set_label(label, compiler); 1236 compiler->delay_slot = UNMOVABLE_INS; 1237 return label; 1238 } 1239 1240 static sljit_ins get_cc(sljit_s32 type) 1241 { 1242 switch (type) { 1243 case SLJIT_EQUAL: 1244 case SLJIT_MUL_NOT_OVERFLOW: 1245 case SLJIT_NOT_EQUAL_F64: /* Unordered. */ 1246 return DA(0x1); 1247 1248 case SLJIT_NOT_EQUAL: 1249 case SLJIT_MUL_OVERFLOW: 1250 case SLJIT_EQUAL_F64: 1251 return DA(0x9); 1252 1253 case SLJIT_LESS: 1254 case SLJIT_GREATER_F64: /* Unordered. */ 1255 return DA(0x5); 1256 1257 case SLJIT_GREATER_EQUAL: 1258 case SLJIT_LESS_EQUAL_F64: 1259 return DA(0xd); 1260 1261 case SLJIT_GREATER: 1262 case SLJIT_GREATER_EQUAL_F64: /* Unordered. */ 1263 return DA(0xc); 1264 1265 case SLJIT_LESS_EQUAL: 1266 case SLJIT_LESS_F64: 1267 return DA(0x4); 1268 1269 case SLJIT_SIG_LESS: 1270 return DA(0x3); 1271 1272 case SLJIT_SIG_GREATER_EQUAL: 1273 return DA(0xb); 1274 1275 case SLJIT_SIG_GREATER: 1276 return DA(0xa); 1277 1278 case SLJIT_SIG_LESS_EQUAL: 1279 return DA(0x2); 1280 1281 case SLJIT_OVERFLOW: 1282 case SLJIT_UNORDERED_F64: 1283 return DA(0x7); 1284 1285 case SLJIT_NOT_OVERFLOW: 1286 case SLJIT_ORDERED_F64: 1287 return DA(0xf); 1288 1289 default: 1290 SLJIT_ASSERT_STOP(); 1291 return DA(0x8); 1292 } 1293 } 1294 1295 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) 1296 { 1297 struct sljit_jump *jump; 1298 1299 CHECK_ERROR_PTR(); 1300 CHECK_PTR(check_sljit_emit_jump(compiler, type)); 1301 1302 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1303 PTR_FAIL_IF(!jump); 1304 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1305 type &= 0xff; 1306 1307 if (type < SLJIT_EQUAL_F64) { 1308 jump->flags |= IS_COND; 1309 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET)) 1310 jump->flags |= IS_MOVABLE; 1311 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1312 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1313 #else 1314 #error "Implementation required" 1315 #endif 1316 } 1317 else if (type < SLJIT_JUMP) { 1318 jump->flags |= IS_COND; 1319 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET)) 1320 jump->flags |= IS_MOVABLE; 1321 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1322 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1323 #else 1324 #error "Implementation required" 1325 #endif 1326 } else { 1327 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1328 jump->flags |= IS_MOVABLE; 1329 if (type >= SLJIT_FAST_CALL) 1330 jump->flags |= IS_CALL; 1331 } 1332 1333 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1334 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS)); 1335 jump->addr = compiler->size; 1336 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1337 1338 return jump; 1339 } 1340 1341 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) 1342 { 1343 struct sljit_jump *jump = NULL; 1344 sljit_s32 src_r; 1345 1346 CHECK_ERROR(); 1347 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 1348 ADJUST_LOCAL_OFFSET(src, srcw); 1349 1350 if (FAST_IS_REG(src)) 1351 src_r = src; 1352 else if (src & SLJIT_IMM) { 1353 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1354 FAIL_IF(!jump); 1355 set_jump(jump, compiler, JUMP_ADDR); 1356 jump->u.target = srcw; 1357 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1358 jump->flags |= IS_MOVABLE; 1359 if (type >= SLJIT_FAST_CALL) 1360 jump->flags |= IS_CALL; 1361 1362 FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1363 src_r = TMP_REG2; 1364 } 1365 else { 1366 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw)); 1367 src_r = TMP_REG2; 1368 } 1369 1370 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS)); 1371 if (jump) 1372 jump->addr = compiler->size; 1373 return push_inst(compiler, NOP, UNMOVABLE_INS); 1374 } 1375 1376 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, 1377 sljit_s32 dst, sljit_sw dstw, 1378 sljit_s32 src, sljit_sw srcw, 1379 sljit_s32 type) 1380 { 1381 sljit_s32 reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0); 1382 1383 CHECK_ERROR(); 1384 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); 1385 ADJUST_LOCAL_OFFSET(dst, dstw); 1386 1387 if (dst == SLJIT_UNUSED) 1388 return SLJIT_SUCCESS; 1389 1390 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1391 op = GET_OPCODE(op); 1392 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; 1393 1394 compiler->cache_arg = 0; 1395 compiler->cache_argw = 0; 1396 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { 1397 ADJUST_LOCAL_OFFSET(src, srcw); 1398 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); 1399 src = TMP_REG1; 1400 srcw = 0; 1401 } 1402 1403 type &= 0xff; 1404 if (type < SLJIT_EQUAL_F64) 1405 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS)); 1406 else 1407 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS)); 1408 1409 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS)); 1410 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS)); 1411 1412 if (op >= SLJIT_ADD) 1413 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); 1414 1415 return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS; 1416 #else 1417 #error "Implementation required" 1418 #endif 1419 } 1420 1421 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) 1422 { 1423 sljit_s32 reg; 1424 struct sljit_const *const_; 1425 1426 CHECK_ERROR_PTR(); 1427 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); 1428 ADJUST_LOCAL_OFFSET(dst, dstw); 1429 1430 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); 1431 PTR_FAIL_IF(!const_); 1432 set_const(const_, compiler); 1433 1434 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; 1435 1436 PTR_FAIL_IF(emit_const(compiler, reg, init_value)); 1437 1438 if (dst & SLJIT_MEM) 1439 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); 1440 return const_; 1441 } 1442