sljitNativeMIPS_common.c revision 1.2.4.1
1 /* $NetBSD: sljitNativeMIPS_common.c,v 1.2.4.1 2016/07/09 20:25:19 skrll Exp $ */ 2 3 /* 4 * Stack-less Just-In-Time compiler 5 * 6 * Copyright 2009-2012 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 /* Latest MIPS architecture. */ 30 /* Automatically detect SLJIT_MIPS_R1 */ 31 32 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) 33 { 34 #if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 35 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 36 return "MIPS32-R1" SLJIT_CPUINFO; 37 #else 38 return "MIPS64-R1" SLJIT_CPUINFO; 39 #endif 40 #else /* SLJIT_MIPS_R1 */ 41 return "MIPS III" SLJIT_CPUINFO; 42 #endif 43 } 44 45 /* Length of an instruction word 46 Both for mips-32 and mips-64 */ 47 typedef sljit_u32 sljit_ins; 48 49 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) 50 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) 51 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4) 52 53 /* For position independent code, t9 must contain the function address. */ 54 #define PIC_ADDR_REG TMP_REG2 55 56 /* Floating point status register. */ 57 #define FCSR_REG 31 58 /* Return address register. */ 59 #define RETURN_ADDR_REG 31 60 61 /* Flags are kept in volatile registers. */ 62 #define EQUAL_FLAG 12 63 /* And carry flag as well. */ 64 #define ULESS_FLAG 13 65 #define UGREATER_FLAG 14 66 #define LESS_FLAG 15 67 #define GREATER_FLAG 31 68 #define OVERFLOW_FLAG 1 69 70 #define TMP_FREG1 (0) 71 #define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1) 72 73 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 5] = { 74 0, 2, 5, 6, 7, 8, 9, 10, 11, 24, 23, 22, 21, 20, 19, 18, 17, 16, 29, 3, 25, 4 75 }; 76 77 /* --------------------------------------------------------------------- */ 78 /* Instrucion forms */ 79 /* --------------------------------------------------------------------- */ 80 81 #define S(s) (reg_map[s] << 21) 82 #define T(t) (reg_map[t] << 16) 83 #define D(d) (reg_map[d] << 11) 84 /* Absolute registers. */ 85 #define SA(s) ((s) << 21) 86 #define TA(t) ((t) << 16) 87 #define DA(d) ((d) << 11) 88 #define FT(t) ((t) << 16) 89 #define FS(s) ((s) << 11) 90 #define FD(d) ((d) << 6) 91 #define IMM(imm) ((imm) & 0xffff) 92 #define SH_IMM(imm) ((imm) << 6) 93 94 #define DR(dr) (reg_map[dr]) 95 #define HI(opcode) ((opcode) << 26) 96 #define LO(opcode) (opcode) 97 /* S = (16 << 21) D = (17 << 21) */ 98 #define FMT_S (16 << 21) 99 100 #define ABS_S (HI(17) | FMT_S | LO(5)) 101 #define ADD_S (HI(17) | FMT_S | LO(0)) 102 #define ADDIU (HI(9)) 103 #define ADDU (HI(0) | LO(33)) 104 #define AND (HI(0) | LO(36)) 105 #define ANDI (HI(12)) 106 #define B (HI(4)) 107 #define BAL (HI(1) | (17 << 16)) 108 #define BC1F (HI(17) | (8 << 21)) 109 #define BC1T (HI(17) | (8 << 21) | (1 << 16)) 110 #define BEQ (HI(4)) 111 #define BGEZ (HI(1) | (1 << 16)) 112 #define BGTZ (HI(7)) 113 #define BLEZ (HI(6)) 114 #define BLTZ (HI(1) | (0 << 16)) 115 #define BNE (HI(5)) 116 #define BREAK (HI(0) | LO(13)) 117 #define CFC1 (HI(17) | (2 << 21)) 118 #define C_UN_S (HI(17) | FMT_S | LO(49)) 119 #define C_UEQ_S (HI(17) | FMT_S | LO(51)) 120 #define C_ULE_S (HI(17) | FMT_S | LO(55)) 121 #define C_ULT_S (HI(17) | FMT_S | LO(53)) 122 #define CVT_S_S (HI(17) | FMT_S | LO(32)) 123 #define DADDIU (HI(25)) 124 #define DADDU (HI(0) | LO(45)) 125 #define DDIV (HI(0) | LO(30)) 126 #define DDIVU (HI(0) | LO(31)) 127 #define DIV (HI(0) | LO(26)) 128 #define DIVU (HI(0) | LO(27)) 129 #define DIV_S (HI(17) | FMT_S | LO(3)) 130 #define DMULT (HI(0) | LO(28)) 131 #define DMULTU (HI(0) | LO(29)) 132 #define DSLL (HI(0) | LO(56)) 133 #define DSLL32 (HI(0) | LO(60)) 134 #define DSLLV (HI(0) | LO(20)) 135 #define DSRA (HI(0) | LO(59)) 136 #define DSRA32 (HI(0) | LO(63)) 137 #define DSRAV (HI(0) | LO(23)) 138 #define DSRL (HI(0) | LO(58)) 139 #define DSRL32 (HI(0) | LO(62)) 140 #define DSRLV (HI(0) | LO(22)) 141 #define DSUBU (HI(0) | LO(47)) 142 #define J (HI(2)) 143 #define JAL (HI(3)) 144 #define JALR (HI(0) | LO(9)) 145 #define JR (HI(0) | LO(8)) 146 #define LD (HI(55)) 147 #define LUI (HI(15)) 148 #define LW (HI(35)) 149 #define MFC1 (HI(17)) 150 #define MFHI (HI(0) | LO(16)) 151 #define MFLO (HI(0) | LO(18)) 152 #define MOV_S (HI(17) | FMT_S | LO(6)) 153 #define MTC1 (HI(17) | (4 << 21)) 154 #define MUL_S (HI(17) | FMT_S | LO(2)) 155 #define MULT (HI(0) | LO(24)) 156 #define MULTU (HI(0) | LO(25)) 157 #define NEG_S (HI(17) | FMT_S | LO(7)) 158 #define NOP (HI(0) | LO(0)) 159 #define NOR (HI(0) | LO(39)) 160 #define OR (HI(0) | LO(37)) 161 #define ORI (HI(13)) 162 #define SD (HI(63)) 163 #define SLT (HI(0) | LO(42)) 164 #define SLTI (HI(10)) 165 #define SLTIU (HI(11)) 166 #define SLTU (HI(0) | LO(43)) 167 #define SLL (HI(0) | LO(0)) 168 #define SLLV (HI(0) | LO(4)) 169 #define SRL (HI(0) | LO(2)) 170 #define SRLV (HI(0) | LO(6)) 171 #define SRA (HI(0) | LO(3)) 172 #define SRAV (HI(0) | LO(7)) 173 #define SUB_S (HI(17) | FMT_S | LO(1)) 174 #define SUBU (HI(0) | LO(35)) 175 #define SW (HI(43)) 176 #define TRUNC_W_S (HI(17) | FMT_S | LO(13)) 177 #define XOR (HI(0) | LO(38)) 178 #define XORI (HI(14)) 179 180 #if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 181 #define CLZ (HI(28) | LO(32)) 182 #define DCLZ (HI(28) | LO(36)) 183 #define MUL (HI(28) | LO(2)) 184 #define SEB (HI(31) | (16 << 6) | LO(32)) 185 #define SEH (HI(31) | (24 << 6) | LO(32)) 186 #endif 187 188 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 189 #define ADDU_W ADDU 190 #define ADDIU_W ADDIU 191 #define SLL_W SLL 192 #define SUBU_W SUBU 193 #else 194 #define ADDU_W DADDU 195 #define ADDIU_W DADDIU 196 #define SLL_W DSLL 197 #define SUBU_W DSUBU 198 #endif 199 200 #define SIMM_MAX (0x7fff) 201 #define SIMM_MIN (-0x8000) 202 #define UIMM_MAX (0xffff) 203 204 /* dest_reg is the absolute name of the register 205 Useful for reordering instructions in the delay slot. */ 206 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot) 207 { 208 SLJIT_ASSERT(delay_slot == MOVABLE_INS || delay_slot >= UNMOVABLE_INS 209 || delay_slot == ((ins >> 11) & 0x1f) || delay_slot == ((ins >> 16) & 0x1f)); 210 sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); 211 FAIL_IF(!ptr); 212 *ptr = ins; 213 compiler->size++; 214 compiler->delay_slot = delay_slot; 215 return SLJIT_SUCCESS; 216 } 217 218 static SLJIT_INLINE sljit_ins invert_branch(sljit_s32 flags) 219 { 220 return (flags & IS_BIT26_COND) ? (1 << 26) : (1 << 16); 221 } 222 223 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) 224 { 225 sljit_sw diff; 226 sljit_uw target_addr; 227 sljit_ins *inst; 228 sljit_ins saved_inst; 229 230 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 231 if (jump->flags & (SLJIT_REWRITABLE_JUMP | IS_CALL)) 232 return code_ptr; 233 #else 234 if (jump->flags & SLJIT_REWRITABLE_JUMP) 235 return code_ptr; 236 #endif 237 238 if (jump->flags & JUMP_ADDR) 239 target_addr = jump->u.target; 240 else { 241 SLJIT_ASSERT(jump->flags & JUMP_LABEL); 242 target_addr = (sljit_uw)(code + jump->u.label->size); 243 } 244 inst = (sljit_ins*)jump->addr; 245 if (jump->flags & IS_COND) 246 inst--; 247 248 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 249 if (jump->flags & IS_CALL) 250 goto keep_address; 251 #endif 252 253 /* B instructions. */ 254 if (jump->flags & IS_MOVABLE) { 255 diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2; 256 if (diff <= SIMM_MAX && diff >= SIMM_MIN) { 257 jump->flags |= PATCH_B; 258 259 if (!(jump->flags & IS_COND)) { 260 inst[0] = inst[-1]; 261 inst[-1] = (jump->flags & IS_JAL) ? BAL : B; 262 jump->addr -= sizeof(sljit_ins); 263 return inst; 264 } 265 saved_inst = inst[0]; 266 inst[0] = inst[-1]; 267 inst[-1] = saved_inst ^ invert_branch(jump->flags); 268 jump->addr -= 2 * sizeof(sljit_ins); 269 return inst; 270 } 271 } 272 else { 273 diff = ((sljit_sw)target_addr - (sljit_sw)(inst + 1)) >> 2; 274 if (diff <= SIMM_MAX && diff >= SIMM_MIN) { 275 jump->flags |= PATCH_B; 276 277 if (!(jump->flags & IS_COND)) { 278 inst[0] = (jump->flags & IS_JAL) ? BAL : B; 279 inst[1] = NOP; 280 return inst + 1; 281 } 282 inst[0] = inst[0] ^ invert_branch(jump->flags); 283 inst[1] = NOP; 284 jump->addr -= sizeof(sljit_ins); 285 return inst + 1; 286 } 287 } 288 289 if (jump->flags & IS_COND) { 290 if ((jump->flags & IS_MOVABLE) && (target_addr & ~0xfffffff) == ((jump->addr + 2 * sizeof(sljit_ins)) & ~0xfffffff)) { 291 jump->flags |= PATCH_J; 292 saved_inst = inst[0]; 293 inst[0] = inst[-1]; 294 inst[-1] = (saved_inst & 0xffff0000) | 3; 295 inst[1] = J; 296 inst[2] = NOP; 297 return inst + 2; 298 } 299 else if ((target_addr & ~0xfffffff) == ((jump->addr + 3 * sizeof(sljit_ins)) & ~0xfffffff)) { 300 jump->flags |= PATCH_J; 301 inst[0] = (inst[0] & 0xffff0000) | 3; 302 inst[1] = NOP; 303 inst[2] = J; 304 inst[3] = NOP; 305 jump->addr += sizeof(sljit_ins); 306 return inst + 3; 307 } 308 } 309 else { 310 /* J instuctions. */ 311 if ((jump->flags & IS_MOVABLE) && (target_addr & ~0xfffffff) == (jump->addr & ~0xfffffff)) { 312 jump->flags |= PATCH_J; 313 inst[0] = inst[-1]; 314 inst[-1] = (jump->flags & IS_JAL) ? JAL : J; 315 jump->addr -= sizeof(sljit_ins); 316 return inst; 317 } 318 319 if ((target_addr & ~0xfffffff) == ((jump->addr + sizeof(sljit_ins)) & ~0xfffffff)) { 320 jump->flags |= PATCH_J; 321 inst[0] = (jump->flags & IS_JAL) ? JAL : J; 322 inst[1] = NOP; 323 return inst + 1; 324 } 325 } 326 327 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 328 keep_address: 329 if (target_addr <= 0x7fffffff) { 330 jump->flags |= PATCH_ABS32; 331 if (jump->flags & IS_COND) { 332 inst[0] -= 4; 333 inst++; 334 } 335 inst[2] = inst[6]; 336 inst[3] = inst[7]; 337 return inst + 3; 338 } 339 if (target_addr <= 0x7fffffffffffl) { 340 jump->flags |= PATCH_ABS48; 341 if (jump->flags & IS_COND) { 342 inst[0] -= 2; 343 inst++; 344 } 345 inst[4] = inst[6]; 346 inst[5] = inst[7]; 347 return inst + 5; 348 } 349 #endif 350 351 return code_ptr; 352 } 353 354 #ifdef __GNUC__ 355 static __attribute__ ((noinline)) void sljit_cache_flush(void* code, void* code_ptr) 356 { 357 SLJIT_CACHE_FLUSH(code, code_ptr); 358 } 359 #endif 360 361 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) 362 { 363 struct sljit_memory_fragment *buf; 364 sljit_ins *code; 365 sljit_ins *code_ptr; 366 sljit_ins *buf_ptr; 367 sljit_ins *buf_end; 368 sljit_uw word_count; 369 sljit_uw addr; 370 371 struct sljit_label *label; 372 struct sljit_jump *jump; 373 struct sljit_const *const_; 374 375 CHECK_ERROR_PTR(); 376 CHECK_PTR(check_sljit_generate_code(compiler)); 377 reverse_buf(compiler); 378 379 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); 380 PTR_FAIL_WITH_EXEC_IF(code); 381 buf = compiler->buf; 382 383 code_ptr = code; 384 word_count = 0; 385 label = compiler->labels; 386 jump = compiler->jumps; 387 const_ = compiler->consts; 388 do { 389 buf_ptr = (sljit_ins*)buf->memory; 390 buf_end = buf_ptr + (buf->used_size >> 2); 391 do { 392 *code_ptr = *buf_ptr++; 393 SLJIT_ASSERT(!label || label->size >= word_count); 394 SLJIT_ASSERT(!jump || jump->addr >= word_count); 395 SLJIT_ASSERT(!const_ || const_->addr >= word_count); 396 /* These structures are ordered by their address. */ 397 if (label && label->size == word_count) { 398 /* Just recording the address. */ 399 label->addr = (sljit_uw)code_ptr; 400 label->size = code_ptr - code; 401 label = label->next; 402 } 403 if (jump && jump->addr == word_count) { 404 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 405 jump->addr = (sljit_uw)(code_ptr - 3); 406 #else 407 jump->addr = (sljit_uw)(code_ptr - 7); 408 #endif 409 code_ptr = detect_jump_type(jump, code_ptr, code); 410 jump = jump->next; 411 } 412 if (const_ && const_->addr == word_count) { 413 /* Just recording the address. */ 414 const_->addr = (sljit_uw)code_ptr; 415 const_ = const_->next; 416 } 417 code_ptr ++; 418 word_count ++; 419 } while (buf_ptr < buf_end); 420 421 buf = buf->next; 422 } while (buf); 423 424 if (label && label->size == word_count) { 425 label->addr = (sljit_uw)code_ptr; 426 label->size = code_ptr - code; 427 label = label->next; 428 } 429 430 SLJIT_ASSERT(!label); 431 SLJIT_ASSERT(!jump); 432 SLJIT_ASSERT(!const_); 433 SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); 434 435 jump = compiler->jumps; 436 while (jump) { 437 do { 438 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; 439 buf_ptr = (sljit_ins*)jump->addr; 440 441 if (jump->flags & PATCH_B) { 442 addr = (sljit_sw)(addr - (jump->addr + sizeof(sljit_ins))) >> 2; 443 SLJIT_ASSERT((sljit_sw)addr <= SIMM_MAX && (sljit_sw)addr >= SIMM_MIN); 444 buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | (addr & 0xffff); 445 break; 446 } 447 if (jump->flags & PATCH_J) { 448 SLJIT_ASSERT((addr & ~0xfffffff) == ((jump->addr + sizeof(sljit_ins)) & ~0xfffffff)); 449 buf_ptr[0] |= (addr >> 2) & 0x03ffffff; 450 break; 451 } 452 453 /* Set the fields of immediate loads. */ 454 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 455 buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); 456 buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); 457 #else 458 if (jump->flags & PATCH_ABS32) { 459 SLJIT_ASSERT(addr <= 0x7fffffff); 460 buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); 461 buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); 462 } 463 else if (jump->flags & PATCH_ABS48) { 464 SLJIT_ASSERT(addr <= 0x7fffffffffffl); 465 buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 32) & 0xffff); 466 buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 16) & 0xffff); 467 buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | (addr & 0xffff); 468 } 469 else { 470 buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff); 471 buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff); 472 buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff); 473 buf_ptr[5] = (buf_ptr[5] & 0xffff0000) | (addr & 0xffff); 474 } 475 #endif 476 } while (0); 477 jump = jump->next; 478 } 479 480 compiler->error = SLJIT_ERR_COMPILED; 481 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); 482 #ifndef __GNUC__ 483 SLJIT_CACHE_FLUSH(code, code_ptr); 484 #else 485 /* GCC workaround for invalid code generation with -O2. */ 486 sljit_cache_flush(code, code_ptr); 487 #endif 488 return code; 489 } 490 491 /* --------------------------------------------------------------------- */ 492 /* Entry, exit */ 493 /* --------------------------------------------------------------------- */ 494 495 /* Creates an index in data_transfer_insts array. */ 496 #define LOAD_DATA 0x01 497 #define WORD_DATA 0x00 498 #define BYTE_DATA 0x02 499 #define HALF_DATA 0x04 500 #define INT_DATA 0x06 501 #define SIGNED_DATA 0x08 502 /* Separates integer and floating point registers */ 503 #define GPR_REG 0x0f 504 #define DOUBLE_DATA 0x10 505 #define SINGLE_DATA 0x12 506 507 #define MEM_MASK 0x1f 508 509 #define WRITE_BACK 0x00020 510 #define ARG_TEST 0x00040 511 #define ALT_KEEP_CACHE 0x00080 512 #define CUMULATIVE_OP 0x00100 513 #define LOGICAL_OP 0x00200 514 #define IMM_OP 0x00400 515 #define SRC2_IMM 0x00800 516 517 #define UNUSED_DEST 0x01000 518 #define REG_DEST 0x02000 519 #define REG1_SOURCE 0x04000 520 #define REG2_SOURCE 0x08000 521 #define SLOW_SRC1 0x10000 522 #define SLOW_SRC2 0x20000 523 #define SLOW_DEST 0x40000 524 525 /* Only these flags are set. UNUSED_DEST is not set when no flags should be set. */ 526 #define CHECK_FLAGS(list) \ 527 (!(flags & UNUSED_DEST) || (op & GET_FLAGS(~(list)))) 528 529 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 530 #define STACK_STORE SW 531 #define STACK_LOAD LW 532 #else 533 #define STACK_STORE SD 534 #define STACK_LOAD LD 535 #endif 536 537 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 538 #include "sljitNativeMIPS_32.c" 539 #else 540 #include "sljitNativeMIPS_64.c" 541 #endif 542 543 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, 544 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 545 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 546 { 547 sljit_ins base; 548 sljit_s32 i, tmp, offs; 549 550 CHECK_ERROR(); 551 CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 552 set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 553 554 local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; 555 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 556 local_size = (local_size + 15) & ~0xf; 557 #else 558 local_size = (local_size + 31) & ~0x1f; 559 #endif 560 compiler->local_size = local_size; 561 562 if (local_size <= SIMM_MAX) { 563 /* Frequent case. */ 564 FAIL_IF(push_inst(compiler, ADDIU_W | S(SLJIT_SP) | T(SLJIT_SP) | IMM(-local_size), DR(SLJIT_SP))); 565 base = S(SLJIT_SP); 566 } 567 else { 568 FAIL_IF(load_immediate(compiler, DR(TMP_REG1), local_size)); 569 FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_SP) | TA(0) | D(TMP_REG2), DR(TMP_REG2))); 570 FAIL_IF(push_inst(compiler, SUBU_W | S(SLJIT_SP) | T(TMP_REG1) | D(SLJIT_SP), DR(SLJIT_SP))); 571 base = S(TMP_REG2); 572 local_size = 0; 573 } 574 575 offs = local_size - (sljit_sw)(sizeof(sljit_sw)); 576 FAIL_IF(push_inst(compiler, STACK_STORE | base | TA(RETURN_ADDR_REG) | IMM(offs), MOVABLE_INS)); 577 578 tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG; 579 for (i = SLJIT_S0; i >= tmp; i--) { 580 offs -= (sljit_s32)(sizeof(sljit_sw)); 581 FAIL_IF(push_inst(compiler, STACK_STORE | base | T(i) | IMM(offs), MOVABLE_INS)); 582 } 583 584 for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { 585 offs -= (sljit_s32)(sizeof(sljit_sw)); 586 FAIL_IF(push_inst(compiler, STACK_STORE | base | T(i) | IMM(offs), MOVABLE_INS)); 587 } 588 589 if (args >= 1) 590 FAIL_IF(push_inst(compiler, ADDU_W | SA(4) | TA(0) | D(SLJIT_S0), DR(SLJIT_S0))); 591 if (args >= 2) 592 FAIL_IF(push_inst(compiler, ADDU_W | SA(5) | TA(0) | D(SLJIT_S1), DR(SLJIT_S1))); 593 if (args >= 3) 594 FAIL_IF(push_inst(compiler, ADDU_W | SA(6) | TA(0) | D(SLJIT_S2), DR(SLJIT_S2))); 595 596 return SLJIT_SUCCESS; 597 } 598 599 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, 600 sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds, 601 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 602 { 603 CHECK_ERROR(); 604 CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size)); 605 set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size); 606 607 local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; 608 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 609 compiler->local_size = (local_size + 15) & ~0xf; 610 #else 611 compiler->local_size = (local_size + 31) & ~0x1f; 612 #endif 613 return SLJIT_SUCCESS; 614 } 615 616 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) 617 { 618 sljit_s32 local_size, i, tmp, offs; 619 sljit_ins base; 620 621 CHECK_ERROR(); 622 CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 623 624 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 625 626 local_size = compiler->local_size; 627 if (local_size <= SIMM_MAX) 628 base = S(SLJIT_SP); 629 else { 630 FAIL_IF(load_immediate(compiler, DR(TMP_REG1), local_size)); 631 FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_SP) | T(TMP_REG1) | D(TMP_REG1), DR(TMP_REG1))); 632 base = S(TMP_REG1); 633 local_size = 0; 634 } 635 636 FAIL_IF(push_inst(compiler, STACK_LOAD | base | TA(RETURN_ADDR_REG) | IMM(local_size - (sljit_s32)sizeof(sljit_sw)), RETURN_ADDR_REG)); 637 offs = local_size - (sljit_s32)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1); 638 639 tmp = compiler->scratches; 640 for (i = SLJIT_FIRST_SAVED_REG; i <= tmp; i++) { 641 FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(i) | IMM(offs), DR(i))); 642 offs += (sljit_s32)(sizeof(sljit_sw)); 643 } 644 645 tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG; 646 for (i = tmp; i <= SLJIT_S0; i++) { 647 FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(i) | IMM(offs), DR(i))); 648 offs += (sljit_s32)(sizeof(sljit_sw)); 649 } 650 651 SLJIT_ASSERT(offs == local_size - (sljit_sw)(sizeof(sljit_sw))); 652 653 FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS)); 654 if (compiler->local_size <= SIMM_MAX) 655 return push_inst(compiler, ADDIU_W | S(SLJIT_SP) | T(SLJIT_SP) | IMM(compiler->local_size), UNMOVABLE_INS); 656 else 657 return push_inst(compiler, ADDU_W | S(TMP_REG1) | TA(0) | D(SLJIT_SP), UNMOVABLE_INS); 658 } 659 660 #undef STACK_STORE 661 #undef STACK_LOAD 662 663 /* --------------------------------------------------------------------- */ 664 /* Operators */ 665 /* --------------------------------------------------------------------- */ 666 667 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 668 #define ARCH_32_64(a, b) a 669 #else 670 #define ARCH_32_64(a, b) b 671 #endif 672 673 static const sljit_ins data_transfer_insts[16 + 4] = { 674 /* u w s */ ARCH_32_64(HI(43) /* sw */, HI(63) /* sd */), 675 /* u w l */ ARCH_32_64(HI(35) /* lw */, HI(55) /* ld */), 676 /* u b s */ HI(40) /* sb */, 677 /* u b l */ HI(36) /* lbu */, 678 /* u h s */ HI(41) /* sh */, 679 /* u h l */ HI(37) /* lhu */, 680 /* u i s */ HI(43) /* sw */, 681 /* u i l */ ARCH_32_64(HI(35) /* lw */, HI(39) /* lwu */), 682 683 /* s w s */ ARCH_32_64(HI(43) /* sw */, HI(63) /* sd */), 684 /* s w l */ ARCH_32_64(HI(35) /* lw */, HI(55) /* ld */), 685 /* s b s */ HI(40) /* sb */, 686 /* s b l */ HI(32) /* lb */, 687 /* s h s */ HI(41) /* sh */, 688 /* s h l */ HI(33) /* lh */, 689 /* s i s */ HI(43) /* sw */, 690 /* s i l */ HI(35) /* lw */, 691 692 /* d s */ HI(61) /* sdc1 */, 693 /* d l */ HI(53) /* ldc1 */, 694 /* s s */ HI(57) /* swc1 */, 695 /* s l */ HI(49) /* lwc1 */, 696 }; 697 698 #undef ARCH_32_64 699 700 /* reg_ar is an absoulute register! */ 701 702 /* Can perform an operation using at most 1 instruction. */ 703 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw) 704 { 705 SLJIT_ASSERT(arg & SLJIT_MEM); 706 707 if ((!(flags & WRITE_BACK) || !(arg & REG_MASK)) && !(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) { 708 /* Works for both absoulte and relative addresses. */ 709 if (SLJIT_UNLIKELY(flags & ARG_TEST)) 710 return 1; 711 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(arg & REG_MASK) 712 | TA(reg_ar) | IMM(argw), ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? reg_ar : MOVABLE_INS)); 713 return -1; 714 } 715 return 0; 716 } 717 718 /* See getput_arg below. 719 Note: can_cache is called only for binary operators. Those 720 operators always uses word arguments without write back. */ 721 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 722 { 723 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); 724 725 /* Simple operation except for updates. */ 726 if (arg & OFFS_REG_MASK) { 727 argw &= 0x3; 728 next_argw &= 0x3; 729 if (argw && argw == next_argw && (arg == next_arg || (arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK))) 730 return 1; 731 return 0; 732 } 733 734 if (arg == next_arg) { 735 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) 736 return 1; 737 return 0; 738 } 739 740 return 0; 741 } 742 743 /* Emit the necessary instructions. See can_cache above. */ 744 static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 745 { 746 sljit_s32 tmp_ar, base, delay_slot; 747 748 SLJIT_ASSERT(arg & SLJIT_MEM); 749 if (!(next_arg & SLJIT_MEM)) { 750 next_arg = 0; 751 next_argw = 0; 752 } 753 754 if ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) { 755 tmp_ar = reg_ar; 756 delay_slot = reg_ar; 757 } else { 758 tmp_ar = DR(TMP_REG1); 759 delay_slot = MOVABLE_INS; 760 } 761 base = arg & REG_MASK; 762 763 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 764 argw &= 0x3; 765 if ((flags & WRITE_BACK) && reg_ar == DR(base)) { 766 SLJIT_ASSERT(!(flags & LOAD_DATA) && DR(TMP_REG1) != reg_ar); 767 FAIL_IF(push_inst(compiler, ADDU_W | SA(reg_ar) | TA(0) | D(TMP_REG1), DR(TMP_REG1))); 768 reg_ar = DR(TMP_REG1); 769 } 770 771 /* Using the cache. */ 772 if (argw == compiler->cache_argw) { 773 if (!(flags & WRITE_BACK)) { 774 if (arg == compiler->cache_arg) 775 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 776 if ((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) { 777 if (arg == next_arg && argw == (next_argw & 0x3)) { 778 compiler->cache_arg = arg; 779 compiler->cache_argw = argw; 780 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(TMP_REG3), DR(TMP_REG3))); 781 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 782 } 783 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | DA(tmp_ar), tmp_ar)); 784 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 785 } 786 } 787 else { 788 if ((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) { 789 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base))); 790 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), delay_slot); 791 } 792 } 793 } 794 795 if (SLJIT_UNLIKELY(argw)) { 796 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); 797 compiler->cache_argw = argw; 798 FAIL_IF(push_inst(compiler, SLL_W | T(OFFS_REG(arg)) | D(TMP_REG3) | SH_IMM(argw), DR(TMP_REG3))); 799 } 800 801 if (!(flags & WRITE_BACK)) { 802 if (arg == next_arg && argw == (next_argw & 0x3)) { 803 compiler->cache_arg = arg; 804 compiler->cache_argw = argw; 805 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? OFFS_REG(arg) : TMP_REG3) | D(TMP_REG3), DR(TMP_REG3))); 806 tmp_ar = DR(TMP_REG3); 807 } 808 else 809 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? OFFS_REG(arg) : TMP_REG3) | DA(tmp_ar), tmp_ar)); 810 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 811 } 812 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? OFFS_REG(arg) : TMP_REG3) | D(base), DR(base))); 813 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), delay_slot); 814 } 815 816 if (SLJIT_UNLIKELY(flags & WRITE_BACK) && base) { 817 /* Update only applies if a base register exists. */ 818 if (reg_ar == DR(base)) { 819 SLJIT_ASSERT(!(flags & LOAD_DATA) && DR(TMP_REG1) != reg_ar); 820 if (argw <= SIMM_MAX && argw >= SIMM_MIN) { 821 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar) | IMM(argw), MOVABLE_INS)); 822 if (argw) 823 return push_inst(compiler, ADDIU_W | S(base) | T(base) | IMM(argw), DR(base)); 824 return SLJIT_SUCCESS; 825 } 826 FAIL_IF(push_inst(compiler, ADDU_W | SA(reg_ar) | TA(0) | D(TMP_REG1), DR(TMP_REG1))); 827 reg_ar = DR(TMP_REG1); 828 } 829 830 if (argw <= SIMM_MAX && argw >= SIMM_MIN) { 831 if (argw) 832 FAIL_IF(push_inst(compiler, ADDIU_W | S(base) | T(base) | IMM(argw), DR(base))); 833 } 834 else { 835 if (compiler->cache_arg == SLJIT_MEM && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) { 836 if (argw != compiler->cache_argw) { 837 FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 838 compiler->cache_argw = argw; 839 } 840 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base))); 841 } 842 else { 843 compiler->cache_arg = SLJIT_MEM; 844 compiler->cache_argw = argw; 845 FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw)); 846 FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(base), DR(base))); 847 } 848 } 849 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(base) | TA(reg_ar), delay_slot); 850 } 851 852 if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) { 853 if (argw != compiler->cache_argw) { 854 FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 855 compiler->cache_argw = argw; 856 } 857 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 858 } 859 860 if (compiler->cache_arg == SLJIT_MEM && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) { 861 if (argw != compiler->cache_argw) 862 FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 863 } 864 else { 865 compiler->cache_arg = SLJIT_MEM; 866 FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw)); 867 } 868 compiler->cache_argw = argw; 869 870 if (!base) 871 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 872 873 if (arg == next_arg && next_argw - argw <= SIMM_MAX && next_argw - argw >= SIMM_MIN) { 874 compiler->cache_arg = arg; 875 FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | D(TMP_REG3), DR(TMP_REG3))); 876 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 877 } 878 879 FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | DA(tmp_ar), tmp_ar)); 880 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 881 } 882 883 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw) 884 { 885 if (getput_arg_fast(compiler, flags, reg_ar, arg, argw)) 886 return compiler->error; 887 compiler->cache_arg = 0; 888 compiler->cache_argw = 0; 889 return getput_arg(compiler, flags, reg_ar, arg, argw, 0, 0); 890 } 891 892 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) 893 { 894 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) 895 return compiler->error; 896 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); 897 } 898 899 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, 900 sljit_s32 dst, sljit_sw dstw, 901 sljit_s32 src1, sljit_sw src1w, 902 sljit_s32 src2, sljit_sw src2w) 903 { 904 /* arg1 goes to TMP_REG1 or src reg 905 arg2 goes to TMP_REG2, imm or src reg 906 TMP_REG3 can be used for caching 907 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ 908 sljit_s32 dst_r = TMP_REG2; 909 sljit_s32 src1_r; 910 sljit_sw src2_r = 0; 911 sljit_s32 sugg_src2_r = TMP_REG2; 912 913 if (!(flags & ALT_KEEP_CACHE)) { 914 compiler->cache_arg = 0; 915 compiler->cache_argw = 0; 916 } 917 918 if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { 919 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM)) 920 return SLJIT_SUCCESS; 921 if (GET_FLAGS(op)) 922 flags |= UNUSED_DEST; 923 } 924 else if (FAST_IS_REG(dst)) { 925 dst_r = dst; 926 flags |= REG_DEST; 927 if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 928 sugg_src2_r = dst_r; 929 } 930 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, DR(TMP_REG1), dst, dstw)) 931 flags |= SLOW_DEST; 932 933 if (flags & IMM_OP) { 934 if ((src2 & SLJIT_IMM) && src2w) { 935 if ((!(flags & LOGICAL_OP) && (src2w <= SIMM_MAX && src2w >= SIMM_MIN)) 936 || ((flags & LOGICAL_OP) && !(src2w & ~UIMM_MAX))) { 937 flags |= SRC2_IMM; 938 src2_r = src2w; 939 } 940 } 941 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { 942 if ((!(flags & LOGICAL_OP) && (src1w <= SIMM_MAX && src1w >= SIMM_MIN)) 943 || ((flags & LOGICAL_OP) && !(src1w & ~UIMM_MAX))) { 944 flags |= SRC2_IMM; 945 src2_r = src1w; 946 947 /* And swap arguments. */ 948 src1 = src2; 949 src1w = src2w; 950 src2 = SLJIT_IMM; 951 /* src2w = src2_r unneeded. */ 952 } 953 } 954 } 955 956 /* Source 1. */ 957 if (FAST_IS_REG(src1)) { 958 src1_r = src1; 959 flags |= REG1_SOURCE; 960 } 961 else if (src1 & SLJIT_IMM) { 962 if (src1w) { 963 FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w)); 964 src1_r = TMP_REG1; 965 } 966 else 967 src1_r = 0; 968 } 969 else { 970 if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w)) 971 FAIL_IF(compiler->error); 972 else 973 flags |= SLOW_SRC1; 974 src1_r = TMP_REG1; 975 } 976 977 /* Source 2. */ 978 if (FAST_IS_REG(src2)) { 979 src2_r = src2; 980 flags |= REG2_SOURCE; 981 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) 982 dst_r = src2_r; 983 } 984 else if (src2 & SLJIT_IMM) { 985 if (!(flags & SRC2_IMM)) { 986 if (src2w) { 987 FAIL_IF(load_immediate(compiler, DR(sugg_src2_r), src2w)); 988 src2_r = sugg_src2_r; 989 } 990 else { 991 src2_r = 0; 992 if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM)) 993 dst_r = 0; 994 } 995 } 996 } 997 else { 998 if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w)) 999 FAIL_IF(compiler->error); 1000 else 1001 flags |= SLOW_SRC2; 1002 src2_r = sugg_src2_r; 1003 } 1004 1005 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 1006 SLJIT_ASSERT(src2_r == TMP_REG2); 1007 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 1008 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, src1, src1w)); 1009 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw)); 1010 } 1011 else { 1012 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, src2, src2w)); 1013 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, dst, dstw)); 1014 } 1015 } 1016 else if (flags & SLOW_SRC1) 1017 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw)); 1018 else if (flags & SLOW_SRC2) 1019 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w, dst, dstw)); 1020 1021 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 1022 1023 if (dst & SLJIT_MEM) { 1024 if (!(flags & SLOW_DEST)) { 1025 getput_arg_fast(compiler, flags, DR(dst_r), dst, dstw); 1026 return compiler->error; 1027 } 1028 return getput_arg(compiler, flags, DR(dst_r), dst, dstw, 0, 0); 1029 } 1030 1031 return SLJIT_SUCCESS; 1032 } 1033 1034 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) 1035 { 1036 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 1037 sljit_s32 int_op = op & SLJIT_I32_OP; 1038 #endif 1039 1040 CHECK_ERROR(); 1041 CHECK(check_sljit_emit_op0(compiler, op)); 1042 1043 op = GET_OPCODE(op); 1044 switch (op) { 1045 case SLJIT_BREAKPOINT: 1046 return push_inst(compiler, BREAK, UNMOVABLE_INS); 1047 case SLJIT_NOP: 1048 return push_inst(compiler, NOP, UNMOVABLE_INS); 1049 case SLJIT_LMUL_UW: 1050 case SLJIT_LMUL_SW: 1051 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 1052 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? DMULTU : DMULT) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 1053 #else 1054 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? MULTU : MULT) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 1055 #endif 1056 FAIL_IF(push_inst(compiler, MFLO | D(SLJIT_R0), DR(SLJIT_R0))); 1057 return push_inst(compiler, MFHI | D(SLJIT_R1), DR(SLJIT_R1)); 1058 case SLJIT_DIVMOD_UW: 1059 case SLJIT_DIVMOD_SW: 1060 case SLJIT_DIV_UW: 1061 case SLJIT_DIV_SW: 1062 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments); 1063 #if !(defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 1064 FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1065 FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1066 #endif 1067 1068 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 1069 if (int_op) 1070 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 1071 else 1072 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DDIVU : DDIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 1073 #else 1074 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 1075 #endif 1076 1077 FAIL_IF(push_inst(compiler, MFLO | D(SLJIT_R0), DR(SLJIT_R0))); 1078 return (op >= SLJIT_DIV_UW) ? SLJIT_SUCCESS : push_inst(compiler, MFHI | D(SLJIT_R1), DR(SLJIT_R1)); 1079 } 1080 1081 return SLJIT_SUCCESS; 1082 } 1083 1084 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, 1085 sljit_s32 dst, sljit_sw dstw, 1086 sljit_s32 src, sljit_sw srcw) 1087 { 1088 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1089 # define flags 0 1090 #else 1091 sljit_s32 flags = 0; 1092 #endif 1093 1094 CHECK_ERROR(); 1095 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); 1096 ADJUST_LOCAL_OFFSET(dst, dstw); 1097 ADJUST_LOCAL_OFFSET(src, srcw); 1098 1099 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 1100 if ((op & SLJIT_I32_OP) && GET_OPCODE(op) >= SLJIT_NOT) { 1101 flags |= INT_DATA | SIGNED_DATA; 1102 if (src & SLJIT_IMM) 1103 srcw = (sljit_s32)srcw; 1104 } 1105 #endif 1106 1107 switch (GET_OPCODE(op)) { 1108 case SLJIT_MOV: 1109 case SLJIT_MOV_P: 1110 return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 1111 1112 case SLJIT_MOV_U32: 1113 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1114 return emit_op(compiler, SLJIT_MOV_U32, INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 1115 #else 1116 return emit_op(compiler, SLJIT_MOV_U32, INT_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u32)srcw : srcw); 1117 #endif 1118 1119 case SLJIT_MOV_S32: 1120 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1121 return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 1122 #else 1123 return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s32)srcw : srcw); 1124 #endif 1125 1126 case SLJIT_MOV_U8: 1127 return emit_op(compiler, SLJIT_MOV_U8, BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 1128 1129 case SLJIT_MOV_S8: 1130 return emit_op(compiler, SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); 1131 1132 case SLJIT_MOV_U16: 1133 return emit_op(compiler, SLJIT_MOV_U16, HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 1134 1135 case SLJIT_MOV_S16: 1136 return emit_op(compiler, SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); 1137 1138 case SLJIT_MOVU: 1139 case SLJIT_MOVU_P: 1140 return emit_op(compiler, SLJIT_MOV, WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 1141 1142 case SLJIT_MOVU_U32: 1143 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1144 return emit_op(compiler, SLJIT_MOV_U32, INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 1145 #else 1146 return emit_op(compiler, SLJIT_MOV_U32, INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u32)srcw : srcw); 1147 #endif 1148 1149 case SLJIT_MOVU_S32: 1150 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1151 return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); 1152 #else 1153 return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s32)srcw : srcw); 1154 #endif 1155 1156 case SLJIT_MOVU_U8: 1157 return emit_op(compiler, SLJIT_MOV_U8, BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 1158 1159 case SLJIT_MOVU_S8: 1160 return emit_op(compiler, SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); 1161 1162 case SLJIT_MOVU_U16: 1163 return emit_op(compiler, SLJIT_MOV_U16, HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 1164 1165 case SLJIT_MOVU_S16: 1166 return emit_op(compiler, SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); 1167 1168 case SLJIT_NOT: 1169 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 1170 1171 case SLJIT_NEG: 1172 return emit_op(compiler, SLJIT_SUB | GET_ALL_FLAGS(op), flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); 1173 1174 case SLJIT_CLZ: 1175 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 1176 } 1177 1178 return SLJIT_SUCCESS; 1179 1180 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1181 # undef flags 1182 #endif 1183 } 1184 1185 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, 1186 sljit_s32 dst, sljit_sw dstw, 1187 sljit_s32 src1, sljit_sw src1w, 1188 sljit_s32 src2, sljit_sw src2w) 1189 { 1190 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1191 # define flags 0 1192 #else 1193 sljit_s32 flags = 0; 1194 #endif 1195 1196 CHECK_ERROR(); 1197 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 1198 ADJUST_LOCAL_OFFSET(dst, dstw); 1199 ADJUST_LOCAL_OFFSET(src1, src1w); 1200 ADJUST_LOCAL_OFFSET(src2, src2w); 1201 1202 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 1203 if (op & SLJIT_I32_OP) { 1204 flags |= INT_DATA | SIGNED_DATA; 1205 if (src1 & SLJIT_IMM) 1206 src1w = (sljit_s32)src1w; 1207 if (src2 & SLJIT_IMM) 1208 src2w = (sljit_s32)src2w; 1209 } 1210 #endif 1211 1212 switch (GET_OPCODE(op)) { 1213 case SLJIT_ADD: 1214 case SLJIT_ADDC: 1215 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 1216 1217 case SLJIT_SUB: 1218 case SLJIT_SUBC: 1219 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 1220 1221 case SLJIT_MUL: 1222 return emit_op(compiler, op, flags | CUMULATIVE_OP, dst, dstw, src1, src1w, src2, src2w); 1223 1224 case SLJIT_AND: 1225 case SLJIT_OR: 1226 case SLJIT_XOR: 1227 return emit_op(compiler, op, flags | CUMULATIVE_OP | LOGICAL_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 1228 1229 case SLJIT_SHL: 1230 case SLJIT_LSHR: 1231 case SLJIT_ASHR: 1232 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1233 if (src2 & SLJIT_IMM) 1234 src2w &= 0x1f; 1235 #else 1236 if (src2 & SLJIT_IMM) { 1237 if (op & SLJIT_I32_OP) 1238 src2w &= 0x1f; 1239 else 1240 src2w &= 0x3f; 1241 } 1242 #endif 1243 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 1244 } 1245 1246 return SLJIT_SUCCESS; 1247 1248 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1249 # undef flags 1250 #endif 1251 } 1252 1253 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) 1254 { 1255 CHECK_REG_INDEX(check_sljit_get_register_index(reg)); 1256 return reg_map[reg]; 1257 } 1258 1259 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) 1260 { 1261 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); 1262 return reg << 1; 1263 } 1264 1265 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, 1266 void *instruction, sljit_s32 size) 1267 { 1268 CHECK_ERROR(); 1269 CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); 1270 1271 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); 1272 } 1273 1274 /* --------------------------------------------------------------------- */ 1275 /* Floating point operators */ 1276 /* --------------------------------------------------------------------- */ 1277 1278 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) 1279 { 1280 #ifdef SLJIT_IS_FPU_AVAILABLE 1281 return SLJIT_IS_FPU_AVAILABLE; 1282 #elif defined(__GNUC__) 1283 sljit_sw fir; 1284 asm ("cfc1 %0, $0" : "=r"(fir)); 1285 return (fir >> 22) & 0x1; 1286 #else 1287 #error "FIR check is not implemented for this architecture" 1288 #endif 1289 } 1290 1291 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7)) 1292 #define FMT(op) (((op & SLJIT_F32_OP) ^ SLJIT_F32_OP) << (21 - 8)) 1293 1294 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, 1295 sljit_s32 dst, sljit_sw dstw, 1296 sljit_s32 src, sljit_sw srcw) 1297 { 1298 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1299 # define flags 0 1300 #else 1301 sljit_s32 flags = (GET_OPCODE(op) == SLJIT_CONV_SW_FROM_F64) << 21; 1302 #endif 1303 1304 if (src & SLJIT_MEM) { 1305 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 1306 src = TMP_FREG1; 1307 } 1308 else 1309 src <<= 1; 1310 1311 FAIL_IF(push_inst(compiler, (TRUNC_W_S ^ (flags >> 19)) | FMT(op) | FS(src) | FD(TMP_FREG1), MOVABLE_INS)); 1312 1313 if (dst == SLJIT_UNUSED) 1314 return SLJIT_SUCCESS; 1315 1316 if (FAST_IS_REG(dst)) 1317 return push_inst(compiler, MFC1 | flags | T(dst) | FS(TMP_FREG1), MOVABLE_INS); 1318 1319 /* Store the integer value from a VFP register. */ 1320 return emit_op_mem2(compiler, flags ? DOUBLE_DATA : SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0); 1321 1322 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1323 # undef is_long 1324 #endif 1325 } 1326 1327 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, 1328 sljit_s32 dst, sljit_sw dstw, 1329 sljit_s32 src, sljit_sw srcw) 1330 { 1331 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1332 # define flags 0 1333 #else 1334 sljit_s32 flags = (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_SW) << 21; 1335 #endif 1336 1337 sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1338 1339 if (FAST_IS_REG(src)) 1340 FAIL_IF(push_inst(compiler, MTC1 | flags | T(src) | FS(TMP_FREG1), MOVABLE_INS)); 1341 else if (src & SLJIT_MEM) { 1342 /* Load the integer value into a VFP register. */ 1343 FAIL_IF(emit_op_mem2(compiler, ((flags) ? DOUBLE_DATA : SINGLE_DATA) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw)); 1344 } 1345 else { 1346 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) 1347 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) 1348 srcw = (sljit_s32)srcw; 1349 #endif 1350 FAIL_IF(load_immediate(compiler, DR(TMP_REG1), srcw)); 1351 FAIL_IF(push_inst(compiler, MTC1 | flags | T(TMP_REG1) | FS(TMP_FREG1), MOVABLE_INS)); 1352 } 1353 1354 FAIL_IF(push_inst(compiler, CVT_S_S | flags | (4 << 21) | (((op & SLJIT_F32_OP) ^ SLJIT_F32_OP) >> 8) | FS(TMP_FREG1) | FD(dst_r), MOVABLE_INS)); 1355 1356 if (dst & SLJIT_MEM) 1357 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0); 1358 return SLJIT_SUCCESS; 1359 1360 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1361 # undef flags 1362 #endif 1363 } 1364 1365 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, 1366 sljit_s32 src1, sljit_sw src1w, 1367 sljit_s32 src2, sljit_sw src2w) 1368 { 1369 if (src1 & SLJIT_MEM) { 1370 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1371 src1 = TMP_FREG1; 1372 } 1373 else 1374 src1 <<= 1; 1375 1376 if (src2 & SLJIT_MEM) { 1377 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); 1378 src2 = TMP_FREG2; 1379 } 1380 else 1381 src2 <<= 1; 1382 1383 /* src2 and src1 are swapped. */ 1384 if (op & SLJIT_SET_E) { 1385 FAIL_IF(push_inst(compiler, C_UEQ_S | FMT(op) | FT(src2) | FS(src1), UNMOVABLE_INS)); 1386 FAIL_IF(push_inst(compiler, CFC1 | TA(EQUAL_FLAG) | DA(FCSR_REG), EQUAL_FLAG)); 1387 FAIL_IF(push_inst(compiler, SRL | TA(EQUAL_FLAG) | DA(EQUAL_FLAG) | SH_IMM(23), EQUAL_FLAG)); 1388 FAIL_IF(push_inst(compiler, ANDI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG)); 1389 } 1390 if (op & SLJIT_SET_S) { 1391 /* Mixing the instructions for the two checks. */ 1392 FAIL_IF(push_inst(compiler, C_ULT_S | FMT(op) | FT(src2) | FS(src1), UNMOVABLE_INS)); 1393 FAIL_IF(push_inst(compiler, CFC1 | TA(ULESS_FLAG) | DA(FCSR_REG), ULESS_FLAG)); 1394 FAIL_IF(push_inst(compiler, C_ULT_S | FMT(op) | FT(src1) | FS(src2), UNMOVABLE_INS)); 1395 FAIL_IF(push_inst(compiler, SRL | TA(ULESS_FLAG) | DA(ULESS_FLAG) | SH_IMM(23), ULESS_FLAG)); 1396 FAIL_IF(push_inst(compiler, ANDI | SA(ULESS_FLAG) | TA(ULESS_FLAG) | IMM(1), ULESS_FLAG)); 1397 FAIL_IF(push_inst(compiler, CFC1 | TA(UGREATER_FLAG) | DA(FCSR_REG), UGREATER_FLAG)); 1398 FAIL_IF(push_inst(compiler, SRL | TA(UGREATER_FLAG) | DA(UGREATER_FLAG) | SH_IMM(23), UGREATER_FLAG)); 1399 FAIL_IF(push_inst(compiler, ANDI | SA(UGREATER_FLAG) | TA(UGREATER_FLAG) | IMM(1), UGREATER_FLAG)); 1400 } 1401 return push_inst(compiler, C_UN_S | FMT(op) | FT(src2) | FS(src1), FCSR_FCC); 1402 } 1403 1404 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, 1405 sljit_s32 dst, sljit_sw dstw, 1406 sljit_s32 src, sljit_sw srcw) 1407 { 1408 sljit_s32 dst_r; 1409 1410 CHECK_ERROR(); 1411 compiler->cache_arg = 0; 1412 compiler->cache_argw = 0; 1413 1414 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); 1415 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); 1416 1417 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) 1418 op ^= SLJIT_F32_OP; 1419 1420 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1; 1421 1422 if (src & SLJIT_MEM) { 1423 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw)); 1424 src = dst_r; 1425 } 1426 else 1427 src <<= 1; 1428 1429 switch (GET_OPCODE(op)) { 1430 case SLJIT_MOV_F64: 1431 if (src != dst_r) { 1432 if (dst_r != TMP_FREG1) 1433 FAIL_IF(push_inst(compiler, MOV_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 1434 else 1435 dst_r = src; 1436 } 1437 break; 1438 case SLJIT_NEG_F64: 1439 FAIL_IF(push_inst(compiler, NEG_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 1440 break; 1441 case SLJIT_ABS_F64: 1442 FAIL_IF(push_inst(compiler, ABS_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 1443 break; 1444 case SLJIT_CONV_F64_FROM_F32: 1445 FAIL_IF(push_inst(compiler, CVT_S_S | ((op & SLJIT_F32_OP) ? 1 : (1 << 21)) | FS(src) | FD(dst_r), MOVABLE_INS)); 1446 op ^= SLJIT_F32_OP; 1447 break; 1448 } 1449 1450 if (dst & SLJIT_MEM) 1451 return emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0); 1452 return SLJIT_SUCCESS; 1453 } 1454 1455 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, 1456 sljit_s32 dst, sljit_sw dstw, 1457 sljit_s32 src1, sljit_sw src1w, 1458 sljit_s32 src2, sljit_sw src2w) 1459 { 1460 sljit_s32 dst_r, flags = 0; 1461 1462 CHECK_ERROR(); 1463 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 1464 ADJUST_LOCAL_OFFSET(dst, dstw); 1465 ADJUST_LOCAL_OFFSET(src1, src1w); 1466 ADJUST_LOCAL_OFFSET(src2, src2w); 1467 1468 compiler->cache_arg = 0; 1469 compiler->cache_argw = 0; 1470 1471 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2; 1472 1473 if (src1 & SLJIT_MEM) { 1474 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) { 1475 FAIL_IF(compiler->error); 1476 src1 = TMP_FREG1; 1477 } else 1478 flags |= SLOW_SRC1; 1479 } 1480 else 1481 src1 <<= 1; 1482 1483 if (src2 & SLJIT_MEM) { 1484 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) { 1485 FAIL_IF(compiler->error); 1486 src2 = TMP_FREG2; 1487 } else 1488 flags |= SLOW_SRC2; 1489 } 1490 else 1491 src2 <<= 1; 1492 1493 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 1494 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 1495 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w)); 1496 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1497 } 1498 else { 1499 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1500 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1501 } 1502 } 1503 else if (flags & SLOW_SRC1) 1504 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw)); 1505 else if (flags & SLOW_SRC2) 1506 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw)); 1507 1508 if (flags & SLOW_SRC1) 1509 src1 = TMP_FREG1; 1510 if (flags & SLOW_SRC2) 1511 src2 = TMP_FREG2; 1512 1513 switch (GET_OPCODE(op)) { 1514 case SLJIT_ADD_F64: 1515 FAIL_IF(push_inst(compiler, ADD_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 1516 break; 1517 1518 case SLJIT_SUB_F64: 1519 FAIL_IF(push_inst(compiler, SUB_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 1520 break; 1521 1522 case SLJIT_MUL_F64: 1523 FAIL_IF(push_inst(compiler, MUL_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 1524 break; 1525 1526 case SLJIT_DIV_F64: 1527 FAIL_IF(push_inst(compiler, DIV_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 1528 break; 1529 } 1530 1531 if (dst_r == TMP_FREG2) 1532 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0)); 1533 1534 return SLJIT_SUCCESS; 1535 } 1536 1537 /* --------------------------------------------------------------------- */ 1538 /* Other instructions */ 1539 /* --------------------------------------------------------------------- */ 1540 1541 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) 1542 { 1543 CHECK_ERROR(); 1544 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); 1545 ADJUST_LOCAL_OFFSET(dst, dstw); 1546 1547 /* For UNUSED dst. Uncommon, but possible. */ 1548 if (dst == SLJIT_UNUSED) 1549 return SLJIT_SUCCESS; 1550 1551 if (FAST_IS_REG(dst)) 1552 return push_inst(compiler, ADDU_W | SA(RETURN_ADDR_REG) | TA(0) | D(dst), DR(dst)); 1553 1554 /* Memory. */ 1555 return emit_op_mem(compiler, WORD_DATA, RETURN_ADDR_REG, dst, dstw); 1556 } 1557 1558 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) 1559 { 1560 CHECK_ERROR(); 1561 CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); 1562 ADJUST_LOCAL_OFFSET(src, srcw); 1563 1564 if (FAST_IS_REG(src)) 1565 FAIL_IF(push_inst(compiler, ADDU_W | S(src) | TA(0) | DA(RETURN_ADDR_REG), RETURN_ADDR_REG)); 1566 else if (src & SLJIT_MEM) 1567 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, RETURN_ADDR_REG, src, srcw)); 1568 else if (src & SLJIT_IMM) 1569 FAIL_IF(load_immediate(compiler, RETURN_ADDR_REG, srcw)); 1570 1571 FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS)); 1572 return push_inst(compiler, NOP, UNMOVABLE_INS); 1573 } 1574 1575 /* --------------------------------------------------------------------- */ 1576 /* Conditional instructions */ 1577 /* --------------------------------------------------------------------- */ 1578 1579 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) 1580 { 1581 struct sljit_label *label; 1582 1583 CHECK_ERROR_PTR(); 1584 CHECK_PTR(check_sljit_emit_label(compiler)); 1585 1586 if (compiler->last_label && compiler->last_label->size == compiler->size) 1587 return compiler->last_label; 1588 1589 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); 1590 PTR_FAIL_IF(!label); 1591 set_label(label, compiler); 1592 compiler->delay_slot = UNMOVABLE_INS; 1593 return label; 1594 } 1595 1596 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 1597 #define JUMP_LENGTH 4 1598 #else 1599 #define JUMP_LENGTH 8 1600 #endif 1601 1602 #define BR_Z(src) \ 1603 inst = BEQ | SA(src) | TA(0) | JUMP_LENGTH; \ 1604 flags = IS_BIT26_COND; \ 1605 delay_check = src; 1606 1607 #define BR_NZ(src) \ 1608 inst = BNE | SA(src) | TA(0) | JUMP_LENGTH; \ 1609 flags = IS_BIT26_COND; \ 1610 delay_check = src; 1611 1612 #define BR_T() \ 1613 inst = BC1T | JUMP_LENGTH; \ 1614 flags = IS_BIT16_COND; \ 1615 delay_check = FCSR_FCC; 1616 1617 #define BR_F() \ 1618 inst = BC1F | JUMP_LENGTH; \ 1619 flags = IS_BIT16_COND; \ 1620 delay_check = FCSR_FCC; 1621 1622 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) 1623 { 1624 struct sljit_jump *jump; 1625 sljit_ins inst; 1626 sljit_s32 flags = 0; 1627 sljit_s32 delay_check = UNMOVABLE_INS; 1628 1629 CHECK_ERROR_PTR(); 1630 CHECK_PTR(check_sljit_emit_jump(compiler, type)); 1631 1632 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1633 PTR_FAIL_IF(!jump); 1634 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1635 type &= 0xff; 1636 1637 switch (type) { 1638 case SLJIT_EQUAL: 1639 case SLJIT_NOT_EQUAL_F64: 1640 BR_NZ(EQUAL_FLAG); 1641 break; 1642 case SLJIT_NOT_EQUAL: 1643 case SLJIT_EQUAL_F64: 1644 BR_Z(EQUAL_FLAG); 1645 break; 1646 case SLJIT_LESS: 1647 case SLJIT_LESS_F64: 1648 BR_Z(ULESS_FLAG); 1649 break; 1650 case SLJIT_GREATER_EQUAL: 1651 case SLJIT_GREATER_EQUAL_F64: 1652 BR_NZ(ULESS_FLAG); 1653 break; 1654 case SLJIT_GREATER: 1655 case SLJIT_GREATER_F64: 1656 BR_Z(UGREATER_FLAG); 1657 break; 1658 case SLJIT_LESS_EQUAL: 1659 case SLJIT_LESS_EQUAL_F64: 1660 BR_NZ(UGREATER_FLAG); 1661 break; 1662 case SLJIT_SIG_LESS: 1663 BR_Z(LESS_FLAG); 1664 break; 1665 case SLJIT_SIG_GREATER_EQUAL: 1666 BR_NZ(LESS_FLAG); 1667 break; 1668 case SLJIT_SIG_GREATER: 1669 BR_Z(GREATER_FLAG); 1670 break; 1671 case SLJIT_SIG_LESS_EQUAL: 1672 BR_NZ(GREATER_FLAG); 1673 break; 1674 case SLJIT_OVERFLOW: 1675 case SLJIT_MUL_OVERFLOW: 1676 BR_Z(OVERFLOW_FLAG); 1677 break; 1678 case SLJIT_NOT_OVERFLOW: 1679 case SLJIT_MUL_NOT_OVERFLOW: 1680 BR_NZ(OVERFLOW_FLAG); 1681 break; 1682 case SLJIT_UNORDERED_F64: 1683 BR_F(); 1684 break; 1685 case SLJIT_ORDERED_F64: 1686 BR_T(); 1687 break; 1688 default: 1689 /* Not conditional branch. */ 1690 inst = 0; 1691 break; 1692 } 1693 1694 jump->flags |= flags; 1695 if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != delay_check)) 1696 jump->flags |= IS_MOVABLE; 1697 1698 if (inst) 1699 PTR_FAIL_IF(push_inst(compiler, inst, UNMOVABLE_INS)); 1700 1701 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1702 if (type <= SLJIT_JUMP) { 1703 PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS)); 1704 jump->addr = compiler->size; 1705 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1706 } else { 1707 SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); 1708 /* Cannot be optimized out if type is >= CALL0. */ 1709 jump->flags |= IS_JAL | (type >= SLJIT_CALL0 ? IS_CALL : 0); 1710 PTR_FAIL_IF(push_inst(compiler, JALR | S(TMP_REG2) | DA(RETURN_ADDR_REG), UNMOVABLE_INS)); 1711 jump->addr = compiler->size; 1712 /* A NOP if type < CALL1. */ 1713 PTR_FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_R0) | TA(0) | DA(4), UNMOVABLE_INS)); 1714 } 1715 return jump; 1716 } 1717 1718 #define RESOLVE_IMM1() \ 1719 if (src1 & SLJIT_IMM) { \ 1720 if (src1w) { \ 1721 PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w)); \ 1722 src1 = TMP_REG1; \ 1723 } \ 1724 else \ 1725 src1 = 0; \ 1726 } 1727 1728 #define RESOLVE_IMM2() \ 1729 if (src2 & SLJIT_IMM) { \ 1730 if (src2w) { \ 1731 PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG2), src2w)); \ 1732 src2 = TMP_REG2; \ 1733 } \ 1734 else \ 1735 src2 = 0; \ 1736 } 1737 1738 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type, 1739 sljit_s32 src1, sljit_sw src1w, 1740 sljit_s32 src2, sljit_sw src2w) 1741 { 1742 struct sljit_jump *jump; 1743 sljit_s32 flags; 1744 sljit_ins inst; 1745 1746 CHECK_ERROR_PTR(); 1747 CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w)); 1748 ADJUST_LOCAL_OFFSET(src1, src1w); 1749 ADJUST_LOCAL_OFFSET(src2, src2w); 1750 1751 compiler->cache_arg = 0; 1752 compiler->cache_argw = 0; 1753 flags = ((type & SLJIT_I32_OP) ? INT_DATA : WORD_DATA) | LOAD_DATA; 1754 if (src1 & SLJIT_MEM) { 1755 PTR_FAIL_IF(emit_op_mem2(compiler, flags, DR(TMP_REG1), src1, src1w, src2, src2w)); 1756 src1 = TMP_REG1; 1757 } 1758 if (src2 & SLJIT_MEM) { 1759 PTR_FAIL_IF(emit_op_mem2(compiler, flags, DR(TMP_REG2), src2, src2w, 0, 0)); 1760 src2 = TMP_REG2; 1761 } 1762 1763 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1764 PTR_FAIL_IF(!jump); 1765 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1766 type &= 0xff; 1767 1768 if (type <= SLJIT_NOT_EQUAL) { 1769 RESOLVE_IMM1(); 1770 RESOLVE_IMM2(); 1771 jump->flags |= IS_BIT26_COND; 1772 if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != DR(src1) && compiler->delay_slot != DR(src2))) 1773 jump->flags |= IS_MOVABLE; 1774 PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_EQUAL ? BNE : BEQ) | S(src1) | T(src2) | JUMP_LENGTH, UNMOVABLE_INS)); 1775 } 1776 else if (type >= SLJIT_SIG_LESS && (((src1 & SLJIT_IMM) && (src1w == 0)) || ((src2 & SLJIT_IMM) && (src2w == 0)))) { 1777 inst = NOP; 1778 if ((src1 & SLJIT_IMM) && (src1w == 0)) { 1779 RESOLVE_IMM2(); 1780 switch (type) { 1781 case SLJIT_SIG_LESS: 1782 inst = BLEZ; 1783 jump->flags |= IS_BIT26_COND; 1784 break; 1785 case SLJIT_SIG_GREATER_EQUAL: 1786 inst = BGTZ; 1787 jump->flags |= IS_BIT26_COND; 1788 break; 1789 case SLJIT_SIG_GREATER: 1790 inst = BGEZ; 1791 jump->flags |= IS_BIT16_COND; 1792 break; 1793 case SLJIT_SIG_LESS_EQUAL: 1794 inst = BLTZ; 1795 jump->flags |= IS_BIT16_COND; 1796 break; 1797 } 1798 src1 = src2; 1799 } 1800 else { 1801 RESOLVE_IMM1(); 1802 switch (type) { 1803 case SLJIT_SIG_LESS: 1804 inst = BGEZ; 1805 jump->flags |= IS_BIT16_COND; 1806 break; 1807 case SLJIT_SIG_GREATER_EQUAL: 1808 inst = BLTZ; 1809 jump->flags |= IS_BIT16_COND; 1810 break; 1811 case SLJIT_SIG_GREATER: 1812 inst = BLEZ; 1813 jump->flags |= IS_BIT26_COND; 1814 break; 1815 case SLJIT_SIG_LESS_EQUAL: 1816 inst = BGTZ; 1817 jump->flags |= IS_BIT26_COND; 1818 break; 1819 } 1820 } 1821 PTR_FAIL_IF(push_inst(compiler, inst | S(src1) | JUMP_LENGTH, UNMOVABLE_INS)); 1822 } 1823 else { 1824 if (type == SLJIT_LESS || type == SLJIT_GREATER_EQUAL || type == SLJIT_SIG_LESS || type == SLJIT_SIG_GREATER_EQUAL) { 1825 RESOLVE_IMM1(); 1826 if ((src2 & SLJIT_IMM) && src2w <= SIMM_MAX && src2w >= SIMM_MIN) 1827 PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTIU : SLTI) | S(src1) | T(TMP_REG1) | IMM(src2w), DR(TMP_REG1))); 1828 else { 1829 RESOLVE_IMM2(); 1830 PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTU : SLT) | S(src1) | T(src2) | D(TMP_REG1), DR(TMP_REG1))); 1831 } 1832 type = (type == SLJIT_LESS || type == SLJIT_SIG_LESS) ? SLJIT_NOT_EQUAL : SLJIT_EQUAL; 1833 } 1834 else { 1835 RESOLVE_IMM2(); 1836 if ((src1 & SLJIT_IMM) && src1w <= SIMM_MAX && src1w >= SIMM_MIN) 1837 PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTIU : SLTI) | S(src2) | T(TMP_REG1) | IMM(src1w), DR(TMP_REG1))); 1838 else { 1839 RESOLVE_IMM1(); 1840 PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTU : SLT) | S(src2) | T(src1) | D(TMP_REG1), DR(TMP_REG1))); 1841 } 1842 type = (type == SLJIT_GREATER || type == SLJIT_SIG_GREATER) ? SLJIT_NOT_EQUAL : SLJIT_EQUAL; 1843 } 1844 1845 jump->flags |= IS_BIT26_COND; 1846 PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_EQUAL ? BNE : BEQ) | S(TMP_REG1) | TA(0) | JUMP_LENGTH, UNMOVABLE_INS)); 1847 } 1848 1849 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1850 PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS)); 1851 jump->addr = compiler->size; 1852 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1853 return jump; 1854 } 1855 1856 #undef RESOLVE_IMM1 1857 #undef RESOLVE_IMM2 1858 1859 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type, 1860 sljit_s32 src1, sljit_sw src1w, 1861 sljit_s32 src2, sljit_sw src2w) 1862 { 1863 struct sljit_jump *jump; 1864 sljit_ins inst; 1865 sljit_s32 if_true; 1866 1867 CHECK_ERROR_PTR(); 1868 CHECK_PTR(check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w)); 1869 1870 compiler->cache_arg = 0; 1871 compiler->cache_argw = 0; 1872 1873 if (src1 & SLJIT_MEM) { 1874 PTR_FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(type) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w)); 1875 src1 = TMP_FREG1; 1876 } 1877 else 1878 src1 <<= 1; 1879 1880 if (src2 & SLJIT_MEM) { 1881 PTR_FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(type) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0)); 1882 src2 = TMP_FREG2; 1883 } 1884 else 1885 src2 <<= 1; 1886 1887 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1888 PTR_FAIL_IF(!jump); 1889 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 1890 jump->flags |= IS_BIT16_COND; 1891 1892 switch (type & 0xff) { 1893 case SLJIT_EQUAL_F64: 1894 inst = C_UEQ_S; 1895 if_true = 1; 1896 break; 1897 case SLJIT_NOT_EQUAL_F64: 1898 inst = C_UEQ_S; 1899 if_true = 0; 1900 break; 1901 case SLJIT_LESS_F64: 1902 inst = C_ULT_S; 1903 if_true = 1; 1904 break; 1905 case SLJIT_GREATER_EQUAL_F64: 1906 inst = C_ULT_S; 1907 if_true = 0; 1908 break; 1909 case SLJIT_GREATER_F64: 1910 inst = C_ULE_S; 1911 if_true = 0; 1912 break; 1913 case SLJIT_LESS_EQUAL_F64: 1914 inst = C_ULE_S; 1915 if_true = 1; 1916 break; 1917 case SLJIT_UNORDERED_F64: 1918 inst = C_UN_S; 1919 if_true = 1; 1920 break; 1921 default: /* Make compilers happy. */ 1922 SLJIT_ASSERT_STOP(); 1923 case SLJIT_ORDERED_F64: 1924 inst = C_UN_S; 1925 if_true = 0; 1926 break; 1927 } 1928 1929 PTR_FAIL_IF(push_inst(compiler, inst | FMT(type) | FT(src2) | FS(src1), UNMOVABLE_INS)); 1930 /* Intentionally the other opcode. */ 1931 PTR_FAIL_IF(push_inst(compiler, (if_true ? BC1F : BC1T) | JUMP_LENGTH, UNMOVABLE_INS)); 1932 PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1933 PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS)); 1934 jump->addr = compiler->size; 1935 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 1936 return jump; 1937 } 1938 1939 #undef JUMP_LENGTH 1940 #undef BR_Z 1941 #undef BR_NZ 1942 #undef BR_T 1943 #undef BR_F 1944 1945 #undef FLOAT_DATA 1946 #undef FMT 1947 1948 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) 1949 { 1950 sljit_s32 src_r = TMP_REG2; 1951 struct sljit_jump *jump = NULL; 1952 1953 CHECK_ERROR(); 1954 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 1955 ADJUST_LOCAL_OFFSET(src, srcw); 1956 1957 if (FAST_IS_REG(src)) { 1958 if (DR(src) != 4) 1959 src_r = src; 1960 else 1961 FAIL_IF(push_inst(compiler, ADDU_W | S(src) | TA(0) | D(TMP_REG2), DR(TMP_REG2))); 1962 } 1963 1964 if (type >= SLJIT_CALL0) { 1965 SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); 1966 if (src & (SLJIT_IMM | SLJIT_MEM)) { 1967 if (src & SLJIT_IMM) 1968 FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw)); 1969 else { 1970 SLJIT_ASSERT(src_r == TMP_REG2 && (src & SLJIT_MEM)); 1971 FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); 1972 } 1973 FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS)); 1974 /* We need an extra instruction in any case. */ 1975 return push_inst(compiler, ADDU_W | S(SLJIT_R0) | TA(0) | DA(4), UNMOVABLE_INS); 1976 } 1977 1978 /* Register input. */ 1979 if (type >= SLJIT_CALL1) 1980 FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_R0) | TA(0) | DA(4), 4)); 1981 FAIL_IF(push_inst(compiler, JALR | S(src_r) | DA(RETURN_ADDR_REG), UNMOVABLE_INS)); 1982 return push_inst(compiler, ADDU_W | S(src_r) | TA(0) | D(PIC_ADDR_REG), UNMOVABLE_INS); 1983 } 1984 1985 if (src & SLJIT_IMM) { 1986 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 1987 FAIL_IF(!jump); 1988 set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_JAL : 0)); 1989 jump->u.target = srcw; 1990 1991 if (compiler->delay_slot != UNMOVABLE_INS) 1992 jump->flags |= IS_MOVABLE; 1993 1994 FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 1995 } 1996 else if (src & SLJIT_MEM) 1997 FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); 1998 1999 FAIL_IF(push_inst(compiler, JR | S(src_r), UNMOVABLE_INS)); 2000 if (jump) 2001 jump->addr = compiler->size; 2002 FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 2003 return SLJIT_SUCCESS; 2004 } 2005 2006 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, 2007 sljit_s32 dst, sljit_sw dstw, 2008 sljit_s32 src, sljit_sw srcw, 2009 sljit_s32 type) 2010 { 2011 sljit_s32 sugg_dst_ar, dst_ar; 2012 sljit_s32 flags = GET_ALL_FLAGS(op); 2013 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 2014 # define mem_type WORD_DATA 2015 #else 2016 sljit_s32 mem_type = (op & SLJIT_I32_OP) ? (INT_DATA | SIGNED_DATA) : WORD_DATA; 2017 #endif 2018 2019 CHECK_ERROR(); 2020 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type)); 2021 ADJUST_LOCAL_OFFSET(dst, dstw); 2022 2023 if (dst == SLJIT_UNUSED) 2024 return SLJIT_SUCCESS; 2025 2026 op = GET_OPCODE(op); 2027 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 2028 if (op == SLJIT_MOV_S32 || op == SLJIT_MOV_U32) 2029 mem_type = INT_DATA | SIGNED_DATA; 2030 #endif 2031 sugg_dst_ar = DR((op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2); 2032 2033 compiler->cache_arg = 0; 2034 compiler->cache_argw = 0; 2035 if (op >= SLJIT_ADD && (src & SLJIT_MEM)) { 2036 ADJUST_LOCAL_OFFSET(src, srcw); 2037 FAIL_IF(emit_op_mem2(compiler, mem_type | LOAD_DATA, DR(TMP_REG1), src, srcw, dst, dstw)); 2038 src = TMP_REG1; 2039 srcw = 0; 2040 } 2041 2042 switch (type & 0xff) { 2043 case SLJIT_EQUAL: 2044 case SLJIT_NOT_EQUAL: 2045 FAIL_IF(push_inst(compiler, SLTIU | SA(EQUAL_FLAG) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar)); 2046 dst_ar = sugg_dst_ar; 2047 break; 2048 case SLJIT_LESS: 2049 case SLJIT_GREATER_EQUAL: 2050 case SLJIT_LESS_F64: 2051 case SLJIT_GREATER_EQUAL_F64: 2052 dst_ar = ULESS_FLAG; 2053 break; 2054 case SLJIT_GREATER: 2055 case SLJIT_LESS_EQUAL: 2056 case SLJIT_GREATER_F64: 2057 case SLJIT_LESS_EQUAL_F64: 2058 dst_ar = UGREATER_FLAG; 2059 break; 2060 case SLJIT_SIG_LESS: 2061 case SLJIT_SIG_GREATER_EQUAL: 2062 dst_ar = LESS_FLAG; 2063 break; 2064 case SLJIT_SIG_GREATER: 2065 case SLJIT_SIG_LESS_EQUAL: 2066 dst_ar = GREATER_FLAG; 2067 break; 2068 case SLJIT_OVERFLOW: 2069 case SLJIT_NOT_OVERFLOW: 2070 dst_ar = OVERFLOW_FLAG; 2071 break; 2072 case SLJIT_MUL_OVERFLOW: 2073 case SLJIT_MUL_NOT_OVERFLOW: 2074 FAIL_IF(push_inst(compiler, SLTIU | SA(OVERFLOW_FLAG) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar)); 2075 dst_ar = sugg_dst_ar; 2076 type ^= 0x1; /* Flip type bit for the XORI below. */ 2077 break; 2078 case SLJIT_EQUAL_F64: 2079 case SLJIT_NOT_EQUAL_F64: 2080 dst_ar = EQUAL_FLAG; 2081 break; 2082 2083 case SLJIT_UNORDERED_F64: 2084 case SLJIT_ORDERED_F64: 2085 FAIL_IF(push_inst(compiler, CFC1 | TA(sugg_dst_ar) | DA(FCSR_REG), sugg_dst_ar)); 2086 FAIL_IF(push_inst(compiler, SRL | TA(sugg_dst_ar) | DA(sugg_dst_ar) | SH_IMM(23), sugg_dst_ar)); 2087 FAIL_IF(push_inst(compiler, ANDI | SA(sugg_dst_ar) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar)); 2088 dst_ar = sugg_dst_ar; 2089 break; 2090 2091 default: 2092 SLJIT_ASSERT_STOP(); 2093 dst_ar = sugg_dst_ar; 2094 break; 2095 } 2096 2097 if (type & 0x1) { 2098 FAIL_IF(push_inst(compiler, XORI | SA(dst_ar) | TA(sugg_dst_ar) | IMM(1), sugg_dst_ar)); 2099 dst_ar = sugg_dst_ar; 2100 } 2101 2102 if (op >= SLJIT_ADD) { 2103 if (DR(TMP_REG2) != dst_ar) 2104 FAIL_IF(push_inst(compiler, ADDU_W | SA(dst_ar) | TA(0) | D(TMP_REG2), DR(TMP_REG2))); 2105 return emit_op(compiler, op | flags, mem_type | CUMULATIVE_OP | LOGICAL_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0); 2106 } 2107 2108 if (dst & SLJIT_MEM) 2109 return emit_op_mem(compiler, mem_type, dst_ar, dst, dstw); 2110 2111 if (sugg_dst_ar != dst_ar) 2112 return push_inst(compiler, ADDU_W | SA(dst_ar) | TA(0) | DA(sugg_dst_ar), sugg_dst_ar); 2113 return SLJIT_SUCCESS; 2114 2115 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 2116 # undef mem_type 2117 #endif 2118 } 2119 2120 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) 2121 { 2122 struct sljit_const *const_; 2123 sljit_s32 reg; 2124 2125 CHECK_ERROR_PTR(); 2126 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); 2127 ADJUST_LOCAL_OFFSET(dst, dstw); 2128 2129 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); 2130 PTR_FAIL_IF(!const_); 2131 set_const(const_, compiler); 2132 2133 reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; 2134 2135 PTR_FAIL_IF(emit_const(compiler, reg, init_value)); 2136 2137 if (dst & SLJIT_MEM) 2138 PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); 2139 return const_; 2140 } 2141
Indexes created Thu Oct 16 14:10:15 GMT 2025