1 /* $NetBSD: sljitNativeSPARC_common.c,v 1.4 2019/01/20 23:14:16 alnsn Exp $ */ 2 3 /* 4 * Stack-less Just-In-Time compiler 5 * 6 * Copyright Zoltan Herczeg (hzmester (at) 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, sljit_sw executable_offset) 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) + (sljit_uw)executable_offset; 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 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2; 245 246 if (jump->flags & IS_MOVABLE) { 247 if (diff <= MAX_DISP && diff >= MIN_DISP) { 248 jump->flags |= PATCH_B; 249 inst--; 250 if (jump->flags & IS_COND) { 251 saved_inst = inst[0]; 252 inst[0] = inst[1] ^ (1 << 28); 253 inst[1] = saved_inst; 254 } else { 255 inst[1] = inst[0]; 256 inst[0] = BICC | DA(0x8); 257 } 258 jump->addr = (sljit_uw)inst; 259 return inst + 1; 260 } 261 } 262 263 diff += sizeof(sljit_ins); 264 265 if (diff <= MAX_DISP && diff >= MIN_DISP) { 266 jump->flags |= PATCH_B; 267 if (jump->flags & IS_COND) 268 inst[0] ^= (1 << 28); 269 else 270 inst[0] = BICC | DA(0x8); 271 inst[1] = NOP; 272 jump->addr = (sljit_uw)inst; 273 return inst + 1; 274 } 275 276 return code_ptr; 277 } 278 279 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) 280 { 281 struct sljit_memory_fragment *buf; 282 sljit_ins *code; 283 sljit_ins *code_ptr; 284 sljit_ins *buf_ptr; 285 sljit_ins *buf_end; 286 sljit_uw word_count; 287 sljit_sw executable_offset; 288 sljit_uw addr; 289 290 struct sljit_label *label; 291 struct sljit_jump *jump; 292 struct sljit_const *const_; 293 294 CHECK_ERROR_PTR(); 295 CHECK_PTR(check_sljit_generate_code(compiler)); 296 reverse_buf(compiler); 297 298 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); 299 PTR_FAIL_WITH_EXEC_IF(code); 300 buf = compiler->buf; 301 302 code_ptr = code; 303 word_count = 0; 304 executable_offset = SLJIT_EXEC_OFFSET(code); 305 306 label = compiler->labels; 307 jump = compiler->jumps; 308 const_ = compiler->consts; 309 310 do { 311 buf_ptr = (sljit_ins*)buf->memory; 312 buf_end = buf_ptr + (buf->used_size >> 2); 313 do { 314 *code_ptr = *buf_ptr++; 315 SLJIT_ASSERT(!label || label->size >= word_count); 316 SLJIT_ASSERT(!jump || jump->addr >= word_count); 317 SLJIT_ASSERT(!const_ || const_->addr >= word_count); 318 /* These structures are ordered by their address. */ 319 if (label && label->size == word_count) { 320 /* Just recording the address. */ 321 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 322 label->size = code_ptr - code; 323 label = label->next; 324 } 325 if (jump && jump->addr == word_count) { 326 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 327 jump->addr = (sljit_uw)(code_ptr - 3); 328 #else 329 jump->addr = (sljit_uw)(code_ptr - 6); 330 #endif 331 code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset); 332 jump = jump->next; 333 } 334 if (const_ && const_->addr == word_count) { 335 /* Just recording the address. */ 336 const_->addr = (sljit_uw)code_ptr; 337 const_ = const_->next; 338 } 339 code_ptr ++; 340 word_count ++; 341 } while (buf_ptr < buf_end); 342 343 buf = buf->next; 344 } while (buf); 345 346 if (label && label->size == word_count) { 347 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 348 label->size = code_ptr - code; 349 label = label->next; 350 } 351 352 SLJIT_ASSERT(!label); 353 SLJIT_ASSERT(!jump); 354 SLJIT_ASSERT(!const_); 355 SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size); 356 357 jump = compiler->jumps; 358 while (jump) { 359 do { 360 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; 361 buf_ptr = (sljit_ins *)jump->addr; 362 363 if (jump->flags & PATCH_CALL) { 364 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2; 365 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000); 366 buf_ptr[0] = CALL | (addr & 0x3fffffff); 367 break; 368 } 369 if (jump->flags & PATCH_B) { 370 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2; 371 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP); 372 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK); 373 break; 374 } 375 376 /* Set the fields of immediate loads. */ 377 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 378 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff); 379 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff); 380 #else 381 #error "Implementation required" 382 #endif 383 } while (0); 384 jump = jump->next; 385 } 386 387 388 compiler->error = SLJIT_ERR_COMPILED; 389 compiler->executable_offset = executable_offset; 390 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); 391 392 code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); 393 code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 394 395 SLJIT_CACHE_FLUSH(code, code_ptr); 396 return code; 397 } 398 399 /* --------------------------------------------------------------------- */ 400 /* Entry, exit */ 401 /* --------------------------------------------------------------------- */ 402 403 /* Creates an index in data_transfer_insts array. */ 404 #define LOAD_DATA 0x01 405 #define WORD_DATA 0x00 406 #define BYTE_DATA 0x02 407 #define HALF_DATA 0x04 408 #define INT_DATA 0x06 409 #define SIGNED_DATA 0x08 410 /* Separates integer and floating point registers */ 411 #define GPR_REG 0x0f 412 #define DOUBLE_DATA 0x10 413 #define SINGLE_DATA 0x12 414 415 #define MEM_MASK 0x1f 416 417 #define WRITE_BACK 0x00020 418 #define ARG_TEST 0x00040 419 #define ALT_KEEP_CACHE 0x00080 420 #define CUMULATIVE_OP 0x00100 421 #define IMM_OP 0x00200 422 #define SRC2_IMM 0x00400 423 424 #define REG_DEST 0x00800 425 #define REG2_SOURCE 0x01000 426 #define SLOW_SRC1 0x02000 427 #define SLOW_SRC2 0x04000 428 #define SLOW_DEST 0x08000 429 430 /* SET_FLAGS (0x10 << 19) also belong here! */ 431 432 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 433 #include "sljitNativeSPARC_32.c" 434 #else 435 #include "sljitNativeSPARC_64.c" 436 #endif 437 438 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, 439 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 440 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 441 { 442 CHECK_ERROR(); 443 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 444 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 445 446 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 447 compiler->local_size = local_size; 448 449 if (local_size <= SIMM_MAX) { 450 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS)); 451 } 452 else { 453 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size)); 454 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS)); 455 } 456 457 /* Arguments are in their appropriate registers. */ 458 459 return SLJIT_SUCCESS; 460 } 461 462 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, 463 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 464 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 465 { 466 CHECK_ERROR(); 467 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 468 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 469 470 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7; 471 return SLJIT_SUCCESS; 472 } 473 474 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) 475 { 476 CHECK_ERROR(); 477 CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 478 479 if (op != SLJIT_MOV || !FAST_IS_REG(src)) { 480 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 481 src = SLJIT_R0; 482 } 483 484 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS)); 485 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS); 486 } 487 488 /* --------------------------------------------------------------------- */ 489 /* Operators */ 490 /* --------------------------------------------------------------------- */ 491 492 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 493 #define ARCH_32_64(a, b) a 494 #else 495 #define ARCH_32_64(a, b) b 496 #endif 497 498 static const sljit_ins data_transfer_insts[16 + 4] = { 499 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 500 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 501 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */, 502 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */, 503 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */, 504 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */, 505 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */, 506 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */, 507 508 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */), 509 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */), 510 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */, 511 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */, 512 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */, 513 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */, 514 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */, 515 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */), 516 517 /* d s */ OPC1(3) | OPC3(0x27), 518 /* d l */ OPC1(3) | OPC3(0x23), 519 /* s s */ OPC1(3) | OPC3(0x24), 520 /* s l */ OPC1(3) | OPC3(0x20), 521 }; 522 523 #undef ARCH_32_64 524 525 /* Can perform an operation using at most 1 instruction. */ 526 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) 527 { 528 SLJIT_ASSERT(arg & SLJIT_MEM); 529 530 if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) { 531 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) 532 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) { 533 /* Works for both absoulte and relative addresses (immediate case). */ 534 if (SLJIT_UNLIKELY(flags & ARG_TEST)) 535 return 1; 536 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] 537 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)) 538 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)), 539 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS)); 540 return -1; 541 } 542 } 543 return 0; 544 } 545 546 /* See getput_arg below. 547 Note: can_cache is called only for binary operators. Those 548 operators always uses word arguments without write back. */ 549 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 550 { 551 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); 552 553 /* Simple operation except for updates. */ 554 if (arg & OFFS_REG_MASK) { 555 argw &= 0x3; 556 SLJIT_ASSERT(argw); 557 next_argw &= 0x3; 558 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw) 559 return 1; 560 return 0; 561 } 562 563 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) 564 return 1; 565 return 0; 566 } 567 568 /* Emit the necessary instructions. See can_cache above. */ 569 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) 570 { 571 sljit_s32 base, arg2, delay_slot; 572 sljit_ins dest; 573 574 SLJIT_ASSERT(arg & SLJIT_MEM); 575 if (!(next_arg & SLJIT_MEM)) { 576 next_arg = 0; 577 next_argw = 0; 578 } 579 580 base = arg & REG_MASK; 581 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 582 argw &= 0x3; 583 584 /* Using the cache. */ 585 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw)) 586 arg2 = TMP_REG3; 587 else { 588 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) { 589 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); 590 compiler->cache_argw = argw; 591 arg2 = TMP_REG3; 592 } 593 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg)) 594 arg2 = reg; 595 else /* It must be a mov operation, so tmp1 must be free to use. */ 596 arg2 = TMP_REG1; 597 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2))); 598 } 599 } 600 else { 601 /* Using the cache. */ 602 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) { 603 if (argw != compiler->cache_argw) { 604 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 605 compiler->cache_argw = argw; 606 } 607 arg2 = TMP_REG3; 608 } else { 609 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) { 610 compiler->cache_arg = SLJIT_MEM; 611 compiler->cache_argw = argw; 612 arg2 = TMP_REG3; 613 } 614 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base) 615 arg2 = reg; 616 else /* It must be a mov operation, so tmp1 must be free to use. */ 617 arg2 = TMP_REG1; 618 FAIL_IF(load_immediate(compiler, arg2, argw)); 619 } 620 } 621 622 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg)); 623 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS; 624 if (!base) 625 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot); 626 if (!(flags & WRITE_BACK)) 627 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot); 628 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot)); 629 return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base)); 630 } 631 632 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) 633 { 634 if (getput_arg_fast(compiler, flags, reg, arg, argw)) 635 return compiler->error; 636 compiler->cache_arg = 0; 637 compiler->cache_argw = 0; 638 return getput_arg(compiler, flags, reg, arg, argw, 0, 0); 639 } 640 641 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) 642 { 643 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) 644 return compiler->error; 645 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); 646 } 647 648 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, 649 sljit_s32 dst, sljit_sw dstw, 650 sljit_s32 src1, sljit_sw src1w, 651 sljit_s32 src2, sljit_sw src2w) 652 { 653 /* arg1 goes to TMP_REG1 or src reg 654 arg2 goes to TMP_REG2, imm or src reg 655 TMP_REG3 can be used for caching 656 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ 657 sljit_s32 dst_r = TMP_REG2; 658 sljit_s32 src1_r; 659 sljit_sw src2_r = 0; 660 sljit_s32 sugg_src2_r = TMP_REG2; 661 662 if (!(flags & ALT_KEEP_CACHE)) { 663 compiler->cache_arg = 0; 664 compiler->cache_argw = 0; 665 } 666 667 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { 668 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM)) 669 return SLJIT_SUCCESS; 670 } 671 else if (FAST_IS_REG(dst)) { 672 dst_r = dst; 673 flags |= REG_DEST; 674 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 675 sugg_src2_r = dst_r; 676 } 677 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw)) 678 flags |= SLOW_DEST; 679 680 if (flags & IMM_OP) { 681 if ((src2 & SLJIT_IMM) && src2w) { 682 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) { 683 flags |= SRC2_IMM; 684 src2_r = src2w; 685 } 686 } 687 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { 688 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) { 689 flags |= SRC2_IMM; 690 src2_r = src1w; 691 692 /* And swap arguments. */ 693 src1 = src2; 694 src1w = src2w; 695 src2 = SLJIT_IMM; 696 /* src2w = src2_r unneeded. */ 697 } 698 } 699 } 700 701 /* Source 1. */ 702 if (FAST_IS_REG(src1)) 703 src1_r = src1; 704 else if (src1 & SLJIT_IMM) { 705 if (src1w) { 706 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); 707 src1_r = TMP_REG1; 708 } 709 else 710 src1_r = 0; 711 } 712 else { 713 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w)) 714 FAIL_IF(compiler->error); 715 else 716 flags |= SLOW_SRC1; 717 src1_r = TMP_REG1; 718 } 719 720 /* Source 2. */ 721 if (FAST_IS_REG(src2)) { 722 src2_r = src2; 723 flags |= REG2_SOURCE; 724 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 725 dst_r = src2_r; 726 } 727 else if (src2 & SLJIT_IMM) { 728 if (!(flags & SRC2_IMM)) { 729 if (src2w) { 730 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); 731 src2_r = sugg_src2_r; 732 } 733 else { 734 src2_r = 0; 735 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM)) 736 dst_r = 0; 737 } 738 } 739 } 740 else { 741 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w)) 742 FAIL_IF(compiler->error); 743 else 744 flags |= SLOW_SRC2; 745 src2_r = sugg_src2_r; 746 } 747 748 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 749 SLJIT_ASSERT(src2_r == TMP_REG2); 750 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 751 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); 752 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 753 } 754 else { 755 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); 756 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); 757 } 758 } 759 else if (flags & SLOW_SRC1) 760 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); 761 else if (flags & SLOW_SRC2) 762 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); 763 764 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 765 766 if (dst & SLJIT_MEM) { 767 if (!(flags & SLOW_DEST)) { 768 getput_arg_fast(compiler, flags, dst_r, dst, dstw); 769 return compiler->error; 770 } 771 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0); 772 } 773 774 return SLJIT_SUCCESS; 775 } 776 777 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) 778 { 779 CHECK_ERROR(); 780 CHECK(check_sljit_emit_op0(compiler, op)); 781 782 op = GET_OPCODE(op); 783 switch (op) { 784 case SLJIT_BREAKPOINT: 785 return push_inst(compiler, TA, UNMOVABLE_INS); 786 case SLJIT_NOP: 787 return push_inst(compiler, NOP, UNMOVABLE_INS); 788 case SLJIT_LMUL_UW: 789 case SLJIT_LMUL_SW: 790 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 791 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 792 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1)); 793 #else 794 #error "Implementation required" 795 #endif 796 case SLJIT_DIVMOD_UW: 797 case SLJIT_DIVMOD_SW: 798 case SLJIT_DIV_UW: 799 case SLJIT_DIV_SW: 800 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments); 801 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 802 if ((op | 0x2) == SLJIT_DIV_UW) 803 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS)); 804 else { 805 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1))); 806 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS)); 807 } 808 if (op <= SLJIT_DIVMOD_SW) 809 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2))); 810 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0))); 811 if (op >= SLJIT_DIV_UW) 812 return SLJIT_SUCCESS; 813 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1))); 814 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1)); 815 #else 816 #error "Implementation required" 817 #endif 818 } 819 820 return SLJIT_SUCCESS; 821 } 822 823 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, 824 sljit_s32 dst, sljit_sw dstw, 825 sljit_s32 src, sljit_sw srcw) 826 { 827 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0; 828 829 CHECK_ERROR(); 830 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); 831 ADJUST_LOCAL_OFFSET(dst, dstw); 832 ADJUST_LOCAL_OFFSET(src, srcw); 833 834 op = GET_OPCODE(op); 835 switch (op) { 836 case SLJIT_MOV: 837 case SLJIT_MOV_P: 838 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 839 840 case SLJIT_MOV_U32: 841 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 842 843 case SLJIT_MOV_S32: 844 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 845 846 case SLJIT_MOV_U8: 847 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 848 849 case SLJIT_MOV_S8: 850 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); 851 852 case SLJIT_MOV_U16: 853 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 854 855 case SLJIT_MOV_S16: 856 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); 857 858 case SLJIT_MOVU: 859 case SLJIT_MOVU_P: 860 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 861 862 case SLJIT_MOVU_U32: 863 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 864 865 case SLJIT_MOVU_S32: 866 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 867 868 case SLJIT_MOVU_U8: 869 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); 870 871 case SLJIT_MOVU_S8: 872 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); 873 874 case SLJIT_MOVU_U16: 875 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); 876 877 case SLJIT_MOVU_S16: 878 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); 879 880 case SLJIT_NOT: 881 case SLJIT_CLZ: 882 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 883 884 case SLJIT_NEG: 885 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); 886 } 887 888 return SLJIT_SUCCESS; 889 } 890 891 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, 892 sljit_s32 dst, sljit_sw dstw, 893 sljit_s32 src1, sljit_sw src1w, 894 sljit_s32 src2, sljit_sw src2w) 895 { 896 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0; 897 898 CHECK_ERROR(); 899 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 900 ADJUST_LOCAL_OFFSET(dst, dstw); 901 ADJUST_LOCAL_OFFSET(src1, src1w); 902 ADJUST_LOCAL_OFFSET(src2, src2w); 903 904 op = GET_OPCODE(op); 905 switch (op) { 906 case SLJIT_ADD: 907 case SLJIT_ADDC: 908 case SLJIT_MUL: 909 case SLJIT_AND: 910 case SLJIT_OR: 911 case SLJIT_XOR: 912 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 913 914 case SLJIT_SUB: 915 case SLJIT_SUBC: 916 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 917 918 case SLJIT_SHL: 919 case SLJIT_LSHR: 920 case SLJIT_ASHR: 921 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 922 if (src2 & SLJIT_IMM) 923 src2w &= 0x1f; 924 #else 925 SLJIT_UNREACHABLE(); 926 #endif 927 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 928 } 929 930 return SLJIT_SUCCESS; 931 } 932 933 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) 934 { 935 CHECK_REG_INDEX(check_sljit_get_register_index(reg)); 936 return reg_map[reg]; 937 } 938 939 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) 940 { 941 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); 942 return reg << 1; 943 } 944 945 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, 946 void *instruction, sljit_s32 size) 947 { 948 CHECK_ERROR(); 949 CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); 950 951 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); 952 } 953 954 /* --------------------------------------------------------------------- */ 955 /* Floating point operators */ 956 /* --------------------------------------------------------------------- */ 957 958 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) 959 { 960 #ifdef SLJIT_IS_FPU_AVAILABLE 961 return SLJIT_IS_FPU_AVAILABLE; 962 #else 963 /* Available by default. */ 964 return 1; 965 #endif 966 } 967 968 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7)) 969 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double) 970 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw)) 971 972 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, 973 sljit_s32 dst, sljit_sw dstw, 974 sljit_s32 src, sljit_sw srcw) 975 { 976 if (src & SLJIT_MEM) { 977 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 978 src = TMP_FREG1; 979 } 980 else 981 src <<= 1; 982 983 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS)); 984 985 if (dst == SLJIT_UNUSED) 986 return SLJIT_SUCCESS; 987 988 if (FAST_IS_REG(dst)) { 989 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)); 990 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); 991 } 992 993 /* Store the integer value from a VFP register. */ 994 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); 995 } 996 997 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, 998 sljit_s32 dst, sljit_sw dstw, 999 sljit_s32 src, sljit_sw srcw) 1000 { 1001 sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1002 1003 if (src & SLJIT_IMM) { 1004 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) 1005 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) 1006 srcw = (sljit_s32)srcw; 1007 #endif 1008 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); 1009 src = TMP_REG1; 1010 srcw = 0; 1011 } 1012 1013 if (FAST_IS_REG(src)) { 1014 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)); 1015 src = SLJIT_MEM1(SLJIT_SP); 1016 srcw = FLOAT_TMP_MEM_OFFSET; 1017 } 1018 1019 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 1020 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS)); 1021 1022 if (dst & SLJIT_MEM) 1023 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); 1024 return SLJIT_SUCCESS; 1025 } 1026 1027 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, 1028 sljit_s32 src1, sljit_sw src1w, 1029 sljit_s32 src2, sljit_sw src2w) 1030 { 1031 if (src1 & SLJIT_MEM) { 1032 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1033 src1 = TMP_FREG1; 1034 } 1035 else 1036 src1 <<= 1; 1037 1038 if (src2 & SLJIT_MEM) { 1039 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); 1040 src2 = TMP_FREG2; 1041 } 1042 else 1043 src2 <<= 1; 1044 1045 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS); 1046 } 1047 1048 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, 1049 sljit_s32 dst, sljit_sw dstw, 1050 sljit_s32 src, sljit_sw srcw) 1051 { 1052 sljit_s32 dst_r; 1053 1054 CHECK_ERROR(); 1055 compiler->cache_arg = 0; 1056 compiler->cache_argw = 0; 1057 1058 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); 1059 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); 1060 1061 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) 1062 op ^= SLJIT_F32_OP; 1063 1064 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1065 1066 if (src & SLJIT_MEM) { 1067 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); 1068 src = dst_r; 1069 } 1070 else 1071 src <<= 1; 1072 1073 switch (GET_OPCODE(op)) { 1074 case SLJIT_MOV_F64: 1075 if (src != dst_r) { 1076 if (dst_r != TMP_FREG1) { 1077 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1078 if (!(op & SLJIT_F32_OP)) 1079 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1080 } 1081 else 1082 dst_r = src; 1083 } 1084 break; 1085 case SLJIT_NEG_F64: 1086 FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1087 if (dst_r != src && !(op & SLJIT_F32_OP)) 1088 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1089 break; 1090 case SLJIT_ABS_F64: 1091 FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS)); 1092 if (dst_r != src && !(op & SLJIT_F32_OP)) 1093 FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS)); 1094 break; 1095 case SLJIT_CONV_F64_FROM_F32: 1096 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS)); 1097 op ^= SLJIT_F32_OP; 1098 break; 1099 } 1100 1101 if (dst & SLJIT_MEM) 1102 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0)); 1103 return SLJIT_SUCCESS; 1104 } 1105 1106 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, 1107 sljit_s32 dst, sljit_sw dstw, 1108 sljit_s32 src1, sljit_sw src1w, 1109 sljit_s32 src2, sljit_sw src2w) 1110 { 1111 sljit_s32 dst_r, flags = 0; 1112 1113 CHECK_ERROR(); 1114 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 1115 ADJUST_LOCAL_OFFSET(dst, dstw); 1116 ADJUST_LOCAL_OFFSET(src1, src1w); 1117 ADJUST_LOCAL_OFFSET(src2, src2w); 1118 1119 compiler->cache_arg = 0; 1120 compiler->cache_argw = 0; 1121 1122 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2; 1123 1124 if (src1 & SLJIT_MEM) { 1125 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { 1126 FAIL_IF(compiler->error); 1127 src1 = TMP_FREG1; 1128 } else 1129 flags |= SLOW_SRC1; 1130 } 1131 else 1132 src1 <<= 1; 1133 1134 if (src2 & SLJIT_MEM) { 1135 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { 1136 FAIL_IF(compiler->error); 1137 src2 = TMP_FREG2; 1138 } else 1139 flags |= SLOW_SRC2; 1140 } 1141 else 1142 src2 <<= 1; 1143 1144 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 1145 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 1146 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); 1147 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1148 } 1149 else { 1150 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1151 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1152 } 1153 } 1154 else if (flags & SLOW_SRC1) 1155 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1156 else if (flags & SLOW_SRC2) 1157 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1158 1159 if (flags & SLOW_SRC1) 1160 src1 = TMP_FREG1; 1161 if (flags & SLOW_SRC2) 1162 src2 = TMP_FREG2; 1163 1164 switch (GET_OPCODE(op)) { 1165 case SLJIT_ADD_F64: 1166 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1167 break; 1168 1169 case SLJIT_SUB_F64: 1170 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1171 break; 1172 1173 case SLJIT_MUL_F64: 1174 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1175 break; 1176 1177 case SLJIT_DIV_F64: 1178 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS)); 1179 break; 1180 } 1181 1182 if (dst_r == TMP_FREG2) 1183 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); 1184 1185 return SLJIT_SUCCESS; 1186 } 1187 1188 #undef FLOAT_DATA 1189 #undef SELECT_FOP 1190 1191 /* --------------------------------------------------------------------- */ 1192 /* Other instructions */ 1193 /* --------------------------------------------------------------------- */ 1194 1195 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) 1196 { 1197 CHECK_ERROR(); 1198 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); 1199 ADJUST_LOCAL_OFFSET(dst, dstw); 1200 1201 /* For UNUSED dst. Uncommon, but possible. */ 1202 if (dst == SLJIT_UNUSED) 1203 return SLJIT_SUCCESS; 1204 1205 if (FAST_IS_REG(dst)) 1206 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst)); 1207 1208 /* Memory. */ 1209 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw); 1210 } 1211 1212 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) 1213 { 1214 CHECK_ERROR(); 1215 CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); 1216 ADJUST_LOCAL_OFFSET(src, srcw); 1217 1218 if (FAST_IS_REG(src)) 1219 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK))); 1220 else if (src & SLJIT_MEM) 1221 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw)); 1222 else if (src & SLJIT_IMM) 1223 FAIL_IF(load_immediate(compiler, TMP_LINK, srcw)); 1224 1225 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS)); 1226 return push_inst(compiler, NOP, UNMOVABLE_INS); 1227 } 1228 1229 /* --------------------------------------------------------------------- */ 1230 /* Conditional instructions */ 1231 /* --------------------------------------------------------------------- */ 1232 1233 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) 1234 { 1235 struct sljit_label *label; 1236 1237 CHECK_ERROR_PTR(); 1238 CHECK_PTR(check_sljit_emit_label(compiler)); 1239 1240 if (compiler->last_label && compiler->last_label->size == compiler->size) 1241 return compiler->last_label; 1242 1243 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); 1244 PTR_FAIL_IF(!label); 1245 set_label(label, compiler); 1246 compiler->delay_slot = UNMOVABLE_INS; 1247 return label; 1248 } 1249 1250 static sljit_ins get_cc(sljit_s32 type) 1251 { 1252 switch (type) { 1253 case SLJIT_EQUAL: 1254 case SLJIT_MUL_NOT_OVERFLOW: 1255 case SLJIT_NOT_EQUAL_F64: /* Unordered. */ 1256 return DA(0x1); 1257 1258 case SLJIT_NOT_EQUAL: 1259 case SLJIT_MUL_OVERFLOW: 1260 case SLJIT_EQUAL_F64: 1261 return DA(0x9); 1262 1263 case SLJIT_LESS: 1264 case SLJIT_GREATER_F64: /* Unordered. */ 1265 return DA(0x5); 1266 1267 case SLJIT_GREATER_EQUAL: 1268 case SLJIT_LESS_EQUAL_F64: 1269 return DA(0xd); 1270 1271 case SLJIT_GREATER: 1272 case SLJIT_GREATER_EQUAL_F64: /* Unordered. */ 1273 return DA(0xc); 1274 1275 case SLJIT_LESS_EQUAL: 1276 case SLJIT_LESS_F64: 1277 return DA(0x4); 1278 1279 case SLJIT_SIG_LESS: 1280 return DA(0x3); 1281 1282 case SLJIT_SIG_GREATER_EQUAL: 1283 return DA(0xb); 1284 1285 case SLJIT_SIG_GREATER: 1286 return DA(0xa); 1287 1288 case SLJIT_SIG_LESS_EQUAL: 1289 return DA(0x2); 1290 1291 case SLJIT_OVERFLOW: 1292 case SLJIT_UNORDERED_F64: 1293 return DA(0x7); 1294 1295 case SLJIT_NOT_OVERFLOW: 1296 case SLJIT_ORDERED_F64: 1297 return DA(0xf); 1298 1299 default: 1300 SLJIT_UNREACHABLE(); 1301 return DA(0x8); 1302 } 1303 } 1304 1305 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) 1306 { 1307 struct sljit_jump *jump; 1308 1309 CHECK_ERROR_PTR(); 1310 CHECK_PTR(check_sljit_emit_jump(compiler, type)); 1311 1312 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1313 PTR_FAIL_IF(!jump); 1314 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1315 type &= 0xff; 1316 1317 if (type < SLJIT_EQUAL_F64) { 1318 jump->flags |= IS_COND; 1319 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_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, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1323 #else 1324 #error "Implementation required" 1325 #endif 1326 } 1327 else if (type < SLJIT_JUMP) { 1328 jump->flags |= IS_COND; 1329 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET)) 1330 jump->flags |= IS_MOVABLE; 1331 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1332 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS)); 1333 #else 1334 #error "Implementation required" 1335 #endif 1336 } else { 1337 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1338 jump->flags |= IS_MOVABLE; 1339 if (type >= SLJIT_FAST_CALL) 1340 jump->flags |= IS_CALL; 1341 } 1342 1343 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1344 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS)); 1345 jump->addr = compiler->size; 1346 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1347 1348 return jump; 1349 } 1350 1351 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) 1352 { 1353 struct sljit_jump *jump = NULL; 1354 sljit_s32 src_r; 1355 1356 CHECK_ERROR(); 1357 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 1358 ADJUST_LOCAL_OFFSET(src, srcw); 1359 1360 if (FAST_IS_REG(src)) 1361 src_r = src; 1362 else if (src & SLJIT_IMM) { 1363 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1364 FAIL_IF(!jump); 1365 set_jump(jump, compiler, JUMP_ADDR); 1366 jump->u.target = srcw; 1367 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) 1368 jump->flags |= IS_MOVABLE; 1369 if (type >= SLJIT_FAST_CALL) 1370 jump->flags |= IS_CALL; 1371 1372 FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1373 src_r = TMP_REG2; 1374 } 1375 else { 1376 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw)); 1377 src_r = TMP_REG2; 1378 } 1379 1380 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS)); 1381 if (jump) 1382 jump->addr = compiler->size; 1383 return push_inst(compiler, NOP, UNMOVABLE_INS); 1384 } 1385 1386 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, 1387 sljit_s32 dst, sljit_sw dstw, 1388 sljit_s32 src, sljit_sw srcw, 1389 sljit_s32 type) 1390 { 1391 sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0; 1392 1393 CHECK_ERROR(); 1394 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); 1395 ADJUST_LOCAL_OFFSET(dst, dstw); 1396 1397 if (dst == SLJIT_UNUSED) 1398 return SLJIT_SUCCESS; 1399 1400 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) 1401 op = GET_OPCODE(op); 1402 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; 1403 1404 compiler->cache_arg = 0; 1405 compiler->cache_argw = 0; 1406 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { 1407 ADJUST_LOCAL_OFFSET(src, srcw); 1408 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw)); 1409 src = TMP_REG1; 1410 srcw = 0; 1411 } 1412 1413 type &= 0xff; 1414 if (type < SLJIT_EQUAL_F64) 1415 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS)); 1416 else 1417 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS)); 1418 1419 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS)); 1420 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS)); 1421 1422 if (op >= SLJIT_ADD) 1423 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); 1424 1425 return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS; 1426 #else 1427 #error "Implementation required" 1428 #endif 1429 } 1430 1431 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) 1432 { 1433 sljit_s32 reg; 1434 struct sljit_const *const_; 1435 1436 CHECK_ERROR_PTR(); 1437 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); 1438 ADJUST_LOCAL_OFFSET(dst, dstw); 1439 1440 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); 1441 PTR_FAIL_IF(!const_); 1442 set_const(const_, compiler); 1443 1444 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; 1445 1446 PTR_FAIL_IF(emit_const(compiler, reg, init_value)); 1447 1448 if (dst & SLJIT_MEM) 1449 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw)); 1450 return const_; 1451 } 1452
Indexes created Sat Sep 20 22:09:52 GMT 2025