sljit/sljitLir.c

   1 /*
   2  *    Stack-less Just-In-Time compiler
   3  *
   4  *    Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without modification, are
   7  * permitted provided that the following conditions are met:
   8  *
   9  *   1. Redistributions of source code must retain the above copyright notice, this list of
  10  *      conditions and the following disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above copyright notice, this list
  13  *      of conditions and the following disclaimer in the documentation and/or other materials
  14  *      provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  19  * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  21  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "sljitLir.h"
  28
  29 #define CHECK_ERROR() \
  30         do { \
  31                 if (SLJIT_UNLIKELY(compiler->error)) \
  32                         return compiler->error; \
  33         } while (0)
  34
  35 #define CHECK_ERROR_PTR() \
  36         do { \
  37                 if (SLJIT_UNLIKELY(compiler->error)) \
  38                         return NULL; \
  39         } while (0)
  40
  41 #define FAIL_IF(expr) \
  42         do { \
  43                 if (SLJIT_UNLIKELY(expr)) \
  44                         return compiler->error; \
  45         } while (0)
  46
  47 #define PTR_FAIL_IF(expr) \
  48         do { \
  49                 if (SLJIT_UNLIKELY(expr)) \
  50                         return NULL; \
  51         } while (0)
  52
  53 #define FAIL_IF_NULL(ptr) \
  54         do { \
  55                 if (SLJIT_UNLIKELY(!(ptr))) { \
  56                         compiler->error = SLJIT_ERR_ALLOC_FAILED; \
  57                         return SLJIT_ERR_ALLOC_FAILED; \
  58                 } \
  59         } while (0)
  60
  61 #define PTR_FAIL_IF_NULL(ptr) \
  62         do { \
  63                 if (SLJIT_UNLIKELY(!(ptr))) { \
  64                         compiler->error = SLJIT_ERR_ALLOC_FAILED; \
  65                         return NULL; \
  66                 } \
  67         } while (0)
  68
  69 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
  70         do { \
  71                 if (SLJIT_UNLIKELY(!(ptr))) { \
  72                         compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
  73                         return NULL; \
  74                 } \
  75         } while (0)
  76
  77 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
  78
  79 #define GET_OPCODE(op) \
  80         ((op) & ~(SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
  81
  82 #define GET_FLAGS(op) \
  83         ((op) & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))
  84
  85 #define GET_ALL_FLAGS(op) \
  86         ((op) & (SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
  87
  88 #define TYPE_CAST_NEEDED(op) \
  89         (((op) >= SLJIT_MOV_U8 && (op) <= SLJIT_MOV_S16) || ((op) >= SLJIT_MOVU_U8 && (op) <= SLJIT_MOVU_S16))
  90
  91 #define BUF_SIZE        4096
  92
  93 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
  94 #define ABUF_SIZE       2048
  95 #else
  96 #define ABUF_SIZE       4096
  97 #endif
  98
  99 /* Parameter parsing. */
 100 #define REG_MASK                0x3f
 101 #define OFFS_REG(reg)           (((reg) >> 8) & REG_MASK)
 102 #define OFFS_REG_MASK           (REG_MASK << 8)
 103 #define TO_OFFS_REG(reg)        ((reg) << 8)
 104 /* When reg cannot be unused. */
 105 #define FAST_IS_REG(reg)        ((reg) <= REG_MASK)
 106 /* When reg can be unused. */
 107 #define SLOW_IS_REG(reg)        ((reg) > 0 && (reg) <= REG_MASK)
 108
 109 /* Jump flags. */
 110 #define JUMP_LABEL      0x1
 111 #define JUMP_ADDR       0x2
 112 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
 113
 114 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
 115 #       define PATCH_MB 0x4
 116 #       define PATCH_MW 0x8
 117 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
 118 #       define PATCH_MD 0x10
 119 #endif
 120 #endif
 121
 122 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
 123 #       define IS_BL            0x4
 124 #       define PATCH_B          0x8
 125 #endif
 126
 127 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
 128 #       define CPOOL_SIZE       512
 129 #endif
 130
 131 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
 132 #       define IS_COND          0x04
 133 #       define IS_BL            0x08
 134         /* conditional + imm8 */
 135 #       define PATCH_TYPE1      0x10
 136         /* conditional + imm20 */
 137 #       define PATCH_TYPE2      0x20
 138         /* IT + imm24 */
 139 #       define PATCH_TYPE3      0x30
 140         /* imm11 */
 141 #       define PATCH_TYPE4      0x40
 142         /* imm24 */
 143 #       define PATCH_TYPE5      0x50
 144         /* BL + imm24 */
 145 #       define PATCH_BL         0x60
 146         /* 0xf00 cc code for branches */
 147 #endif
 148
 149 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
 150 #       define IS_COND          0x004
 151 #       define IS_CBZ           0x008
 152 #       define IS_BL            0x010
 153 #       define PATCH_B          0x020
 154 #       define PATCH_COND       0x040
 155 #       define PATCH_ABS48      0x080
 156 #       define PATCH_ABS64      0x100
 157 #endif
 158
 159 #if (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
 160 #       define IS_COND          0x004
 161 #       define IS_CALL          0x008
 162 #       define PATCH_B          0x010
 163 #       define PATCH_ABS_B      0x020
 164 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
 165 #       define PATCH_ABS32      0x040
 166 #       define PATCH_ABS48      0x080
 167 #endif
 168 #       define REMOVE_COND      0x100
 169 #endif
 170
 171 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
 172 #       define IS_MOVABLE       0x004
 173 #       define IS_JAL           0x008
 174 #       define IS_CALL          0x010
 175 #       define IS_BIT26_COND    0x020
 176 #       define IS_BIT16_COND    0x040
 177
 178 #       define IS_COND          (IS_BIT26_COND | IS_BIT16_COND)
 179
 180 #       define PATCH_B          0x080
 181 #       define PATCH_J          0x100
 182
 183 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
 184 #       define PATCH_ABS32      0x200
 185 #       define PATCH_ABS48      0x400
 186 #endif
 187
 188         /* instruction types */
 189 #       define MOVABLE_INS      0
 190         /* 1 - 31 last destination register */
 191         /* no destination (i.e: store) */
 192 #       define UNMOVABLE_INS    32
 193         /* FPU status register */
 194 #       define FCSR_FCC         33
 195 #endif
 196
 197 #if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
 198 #       define IS_JAL           0x04
 199 #       define IS_COND          0x08
 200
 201 #       define PATCH_B          0x10
 202 #       define PATCH_J          0x20
 203 #endif
 204
 205 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 206 #       define IS_MOVABLE       0x04
 207 #       define IS_COND          0x08
 208 #       define IS_CALL          0x10
 209
 210 #       define PATCH_B          0x20
 211 #       define PATCH_CALL       0x40
 212
 213         /* instruction types */
 214 #       define MOVABLE_INS      0
 215         /* 1 - 31 last destination register */
 216         /* no destination (i.e: store) */
 217 #       define UNMOVABLE_INS    32
 218
 219 #       define DST_INS_MASK     0xff
 220
 221         /* ICC_SET is the same as SET_FLAGS. */
 222 #       define ICC_IS_SET       (1 << 23)
 223 #       define FCC_IS_SET       (1 << 24)
 224 #endif
 225
 226 /* Stack management. */
 227
 228 #define GET_SAVED_REGISTERS_SIZE(scratches, saveds, extra) \
 229         (((scratches < SLJIT_NUMBER_OF_SCRATCH_REGISTERS ? 0 : (scratches - SLJIT_NUMBER_OF_SCRATCH_REGISTERS)) + \
 230                 (saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? saveds : SLJIT_NUMBER_OF_SAVED_REGISTERS) + \
 231                 extra) * sizeof(sljit_sw))
 232
 233 #define ADJUST_LOCAL_OFFSET(p, i) \
 234         if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
 235                 (i) += SLJIT_LOCALS_OFFSET;
 236
 237 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
 238
 239 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
 240 #include "sljitUtils.c"
 241
 242 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
 243
 244 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
 245 #include "sljitExecAllocator.c"
 246 #endif
 247
 248 /* Argument checking features. */
 249
 250 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 251
 252 /* Returns with error when an invalid argument is passed. */
 253
 254 #define CHECK_ARGUMENT(x) \
 255         do { \
 256                 if (SLJIT_UNLIKELY(!(x))) \
 257                         return 1; \
 258         } while (0)
 259
 260 #define CHECK_RETURN_TYPE sljit_s32
 261 #define CHECK_RETURN_OK return 0
 262
 263 #define CHECK(x) \
 264         do { \
 265                 if (SLJIT_UNLIKELY(x)) { \
 266                         compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
 267                         return SLJIT_ERR_BAD_ARGUMENT; \
 268                 } \
 269         } while (0)
 270
 271 #define CHECK_PTR(x) \
 272         do { \
 273                 if (SLJIT_UNLIKELY(x)) { \
 274                         compiler->error = SLJIT_ERR_BAD_ARGUMENT; \
 275                         return NULL; \
 276                 } \
 277         } while (0)
 278
 279 #define CHECK_REG_INDEX(x) \
 280         do { \
 281                 if (SLJIT_UNLIKELY(x)) { \
 282                         return -2; \
 283                 } \
 284         } while (0)
 285
 286 #elif (defined SLJIT_DEBUG && SLJIT_DEBUG)
 287
 288 /* Assertion failure occures if an invalid argument is passed. */
 289 #undef SLJIT_ARGUMENT_CHECKS
 290 #define SLJIT_ARGUMENT_CHECKS 1
 291
 292 #define CHECK_ARGUMENT(x) SLJIT_ASSERT(x)
 293 #define CHECK_RETURN_TYPE void
 294 #define CHECK_RETURN_OK return
 295 #define CHECK(x) x
 296 #define CHECK_PTR(x) x
 297 #define CHECK_REG_INDEX(x) x
 298
 299 #elif (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 300
 301 /* Arguments are not checked. */
 302 #define CHECK_RETURN_TYPE void
 303 #define CHECK_RETURN_OK return
 304 #define CHECK(x) x
 305 #define CHECK_PTR(x) x
 306 #define CHECK_REG_INDEX(x) x
 307
 308 #else
 309
 310 /* Arguments are not checked. */
 311 #define CHECK(x)
 312 #define CHECK_PTR(x)
 313 #define CHECK_REG_INDEX(x)
 314
 315 #endif /* SLJIT_ARGUMENT_CHECKS */
 316
 317 /* --------------------------------------------------------------------- */
 318 /*  Public functions                                                     */
 319 /* --------------------------------------------------------------------- */
 320
 321 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
 322 #define SLJIT_NEEDS_COMPILER_INIT 1
 323 static sljit_s32 compiler_initialized = 0;
 324 /* A thread safe initialization. */
 325 static void init_compiler(void);
 326 #endif
 327
 328 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void *allocator_data)
 329 {
 330         struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler), allocator_data);
 331         if (!compiler)
 332                 return NULL;
 333         SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
 334
 335         SLJIT_COMPILE_ASSERT(
 336                 sizeof(sljit_s8) == 1 && sizeof(sljit_u8) == 1
 337                 && sizeof(sljit_s16) == 2 && sizeof(sljit_u16) == 2
 338                 && sizeof(sljit_s32) == 4 && sizeof(sljit_u32) == 4
 339                 && (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
 340                 && sizeof(sljit_p) <= sizeof(sljit_sw)
 341                 && (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
 342                 && (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
 343                 invalid_integer_types);
 344         SLJIT_COMPILE_ASSERT(SLJIT_I32_OP == SLJIT_F32_OP,
 345                 int_op_and_single_op_must_be_the_same);
 346         SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_F32_OP,
 347                 rewritable_jump_and_single_op_must_not_be_the_same);
 348
 349         /* Only the non-zero members must be set. */
 350         compiler->error = SLJIT_SUCCESS;
 351
 352         compiler->allocator_data = allocator_data;
 353         compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, allocator_data);
 354         compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, allocator_data);
 355
 356         if (!compiler->buf || !compiler->abuf) {
 357                 if (compiler->buf)
 358                         SLJIT_FREE(compiler->buf, allocator_data);
 359                 if (compiler->abuf)
 360                         SLJIT_FREE(compiler->abuf, allocator_data);
 361                 SLJIT_FREE(compiler, allocator_data);
 362                 return NULL;
 363         }
 364
 365         compiler->buf->next = NULL;
 366         compiler->buf->used_size = 0;
 367         compiler->abuf->next = NULL;
 368         compiler->abuf->used_size = 0;
 369
 370         compiler->scratches = -1;
 371         compiler->saveds = -1;
 372         compiler->fscratches = -1;
 373         compiler->fsaveds = -1;
 374         compiler->local_size = -1;
 375
 376 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
 377         compiler->args = -1;
 378 #endif
 379
 380 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
 381         compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw)
 382                 + CPOOL_SIZE * sizeof(sljit_u8), allocator_data);
 383         if (!compiler->cpool) {
 384                 SLJIT_FREE(compiler->buf, allocator_data);
 385                 SLJIT_FREE(compiler->abuf, allocator_data);
 386                 SLJIT_FREE(compiler, allocator_data);
 387                 return NULL;
 388         }
 389         compiler->cpool_unique = (sljit_u8*)(compiler->cpool + CPOOL_SIZE);
 390         compiler->cpool_diff = 0xffffffff;
 391 #endif
 392
 393 #if (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
 394         compiler->delay_slot = UNMOVABLE_INS;
 395 #endif
 396
 397 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
 398         compiler->delay_slot = UNMOVABLE_INS;
 399 #endif
 400
 401 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
 402         if (!compiler_initialized) {
 403                 init_compiler();
 404                 compiler_initialized = 1;
 405         }
 406 #endif
 407
 408         return compiler;
 409 }
 410
 411 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
 412 {
 413         struct sljit_memory_fragment *buf;
 414         struct sljit_memory_fragment *curr;
 415         void *allocator_data = compiler->allocator_data;
 416         SLJIT_UNUSED_ARG(allocator_data);
 417
 418         buf = compiler->buf;
 419         while (buf) {
 420                 curr = buf;
 421                 buf = buf->next;
 422                 SLJIT_FREE(curr, allocator_data);
 423         }
 424
 425         buf = compiler->abuf;
 426         while (buf) {
 427                 curr = buf;
 428                 buf = buf->next;
 429                 SLJIT_FREE(curr, allocator_data);
 430         }
 431
 432 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
 433         SLJIT_FREE(compiler->cpool, allocator_data);
 434 #endif
 435         SLJIT_FREE(compiler, allocator_data);
 436 }
 437
 438 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_compiler_memory_error(struct sljit_compiler *compiler)
 439 {
 440         if (compiler->error == SLJIT_SUCCESS)
 441                 compiler->error = SLJIT_ERR_ALLOC_FAILED;
 442 }
 443
 444 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
 445 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
 446 {
 447         /* Remove thumb mode flag. */
 448         SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
 449 }
 450 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
 451 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
 452 {
 453         /* Resolve indirection. */
 454         code = (void*)(*(sljit_uw*)code);
 455         SLJIT_FREE_EXEC(code);
 456 }
 457 #else
 458 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
 459 {
 460         SLJIT_FREE_EXEC(code);
 461 }
 462 #endif
 463
 464 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
 465 {
 466         if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
 467                 jump->flags &= ~JUMP_ADDR;
 468                 jump->flags |= JUMP_LABEL;
 469                 jump->u.label = label;
 470         }
 471 }
 472
 473 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
 474 {
 475         if (SLJIT_LIKELY(!!jump)) {
 476                 jump->flags &= ~JUMP_LABEL;
 477                 jump->flags |= JUMP_ADDR;
 478                 jump->u.target = target;
 479         }
 480 }
 481
 482 /* --------------------------------------------------------------------- */
 483 /*  Private functions                                                    */
 484 /* --------------------------------------------------------------------- */
 485
 486 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
 487 {
 488         sljit_u8 *ret;
 489         struct sljit_memory_fragment *new_frag;
 490
 491         SLJIT_ASSERT(size <= 256);
 492         if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
 493                 ret = compiler->buf->memory + compiler->buf->used_size;
 494                 compiler->buf->used_size += size;
 495                 return ret;
 496         }
 497         new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE, compiler->allocator_data);
 498         PTR_FAIL_IF_NULL(new_frag);
 499         new_frag->next = compiler->buf;
 500         compiler->buf = new_frag;
 501         new_frag->used_size = size;
 502         return new_frag->memory;
 503 }
 504
 505 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
 506 {
 507         sljit_u8 *ret;
 508         struct sljit_memory_fragment *new_frag;
 509
 510         SLJIT_ASSERT(size <= 256);
 511         if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
 512                 ret = compiler->abuf->memory + compiler->abuf->used_size;
 513                 compiler->abuf->used_size += size;
 514                 return ret;
 515         }
 516         new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE, compiler->allocator_data);
 517         PTR_FAIL_IF_NULL(new_frag);
 518         new_frag->next = compiler->abuf;
 519         compiler->abuf = new_frag;
 520         new_frag->used_size = size;
 521         return new_frag->memory;
 522 }
 523
 524 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
 525 {
 526         CHECK_ERROR_PTR();
 527
 528 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
 529         if (size <= 0 || size > 128)
 530                 return NULL;
 531         size = (size + 7) & ~7;
 532 #else
 533         if (size <= 0 || size > 64)
 534                 return NULL;
 535         size = (size + 3) & ~3;
 536 #endif
 537         return ensure_abuf(compiler, size);
 538 }
 539
 540 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
 541 {
 542         struct sljit_memory_fragment *buf = compiler->buf;
 543         struct sljit_memory_fragment *prev = NULL;
 544         struct sljit_memory_fragment *tmp;
 545
 546         do {
 547                 tmp = buf->next;
 548                 buf->next = prev;
 549                 prev = buf;
 550                 buf = tmp;
 551         } while (buf != NULL);
 552
 553         compiler->buf = prev;
 554 }
 555
 556 static SLJIT_INLINE void set_emit_enter(struct sljit_compiler *compiler,
 557         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 558         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 559 {
 560         SLJIT_UNUSED_ARG(args);
 561         SLJIT_UNUSED_ARG(local_size);
 562
 563         compiler->options = options;
 564         compiler->scratches = scratches;
 565         compiler->saveds = saveds;
 566         compiler->fscratches = fscratches;
 567         compiler->fsaveds = fsaveds;
 568 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 569         compiler->logical_local_size = local_size;
 570 #endif
 571 }
 572
 573 static SLJIT_INLINE void set_set_context(struct sljit_compiler *compiler,
 574         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 575         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 576 {
 577         SLJIT_UNUSED_ARG(args);
 578         SLJIT_UNUSED_ARG(local_size);
 579
 580         compiler->options = options;
 581         compiler->scratches = scratches;
 582         compiler->saveds = saveds;
 583         compiler->fscratches = fscratches;
 584         compiler->fsaveds = fsaveds;
 585 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 586         compiler->logical_local_size = local_size;
 587 #endif
 588 }
 589
 590 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
 591 {
 592         label->next = NULL;
 593         label->size = compiler->size;
 594         if (compiler->last_label)
 595                 compiler->last_label->next = label;
 596         else
 597                 compiler->labels = label;
 598         compiler->last_label = label;
 599 }
 600
 601 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_s32 flags)
 602 {
 603         jump->next = NULL;
 604         jump->flags = flags;
 605         if (compiler->last_jump)
 606                 compiler->last_jump->next = jump;
 607         else
 608                 compiler->jumps = jump;
 609         compiler->last_jump = jump;
 610 }
 611
 612 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
 613 {
 614         const_->next = NULL;
 615         const_->addr = compiler->size;
 616         if (compiler->last_const)
 617                 compiler->last_const->next = const_;
 618         else
 619                 compiler->consts = const_;
 620         compiler->last_const = const_;
 621 }
 622
 623 #define ADDRESSING_DEPENDS_ON(exp, reg) \
 624         (((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
 625
 626 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 627 #define FUNCTION_CHECK_OP() \
 628         CHECK_ARGUMENT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
 629         switch (GET_OPCODE(op)) { \
 630         case SLJIT_NOT: \
 631         case SLJIT_CLZ: \
 632         case SLJIT_AND: \
 633         case SLJIT_OR: \
 634         case SLJIT_XOR: \
 635         case SLJIT_SHL: \
 636         case SLJIT_LSHR: \
 637         case SLJIT_ASHR: \
 638                 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))); \
 639                 break; \
 640         case SLJIT_NEG: \
 641                 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
 642                 break; \
 643         case SLJIT_MUL: \
 644                 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
 645                 break; \
 646         case SLJIT_ADD: \
 647                 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_S))); \
 648                 break; \
 649         case SLJIT_SUB: \
 650                 break; \
 651         case SLJIT_ADDC: \
 652         case SLJIT_SUBC: \
 653                 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O))); \
 654                 break; \
 655         case SLJIT_BREAKPOINT: \
 656         case SLJIT_NOP: \
 657         case SLJIT_LMUL_UW: \
 658         case SLJIT_LMUL_SW: \
 659         case SLJIT_MOV: \
 660         case SLJIT_MOV_U32: \
 661         case SLJIT_MOV_P: \
 662         case SLJIT_MOVU: \
 663         case SLJIT_MOVU_U32: \
 664         case SLJIT_MOVU_P: \
 665                 /* Nothing allowed */ \
 666                 CHECK_ARGUMENT(!(op & (SLJIT_I32_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
 667                 break; \
 668         default: \
 669                 /* Only SLJIT_I32_OP or SLJIT_F32_OP is allowed. */ \
 670                 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
 671                 break; \
 672         }
 673
 674 #define FUNCTION_CHECK_FOP() \
 675         CHECK_ARGUMENT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
 676         switch (GET_OPCODE(op)) { \
 677         case SLJIT_CMP_F64: \
 678                 CHECK_ARGUMENT(!(op & (SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
 679                 CHECK_ARGUMENT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
 680                 break; \
 681         default: \
 682                 /* Only SLJIT_I32_OP or SLJIT_F32_OP is allowed. */ \
 683                 CHECK_ARGUMENT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
 684                 break; \
 685         }
 686
 687 #define FUNCTION_CHECK_IS_REG(r) \
 688         (((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) || \
 689         ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
 690
 691 #define FUNCTION_CHECK_IS_REG_OR_UNUSED(r) \
 692         ((r) == SLJIT_UNUSED || \
 693         ((r) >= SLJIT_R0 && (r) < (SLJIT_R0 + compiler->scratches)) || \
 694         ((r) > (SLJIT_S0 - compiler->saveds) && (r) <= SLJIT_S0))
 695
 696 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
 697 #define CHECK_NOT_VIRTUAL_REGISTER(p) \
 698         CHECK_ARGUMENT((p) < SLJIT_R3 || (p) > SLJIT_R6);
 699 #else
 700 #define CHECK_NOT_VIRTUAL_REGISTER(p)
 701 #endif
 702
 703 #define FUNCTION_CHECK_SRC(p, i) \
 704         CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1); \
 705         if (FUNCTION_CHECK_IS_REG(p)) \
 706                 CHECK_ARGUMENT((i) == 0); \
 707         else if ((p) == SLJIT_IMM) \
 708                 ; \
 709         else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
 710                 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
 711         else { \
 712                 CHECK_ARGUMENT((p) & SLJIT_MEM); \
 713                 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
 714                 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
 715                 if ((p) & OFFS_REG_MASK) { \
 716                         CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
 717                         CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
 718                         CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
 719                         CHECK_ARGUMENT(!((i) & ~0x3)); \
 720                 } \
 721                 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
 722         }
 723
 724 #define FUNCTION_CHECK_DST(p, i) \
 725         CHECK_ARGUMENT(compiler->scratches != -1 && compiler->saveds != -1); \
 726         if (FUNCTION_CHECK_IS_REG_OR_UNUSED(p)) \
 727                 CHECK_ARGUMENT((i) == 0); \
 728         else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
 729                 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
 730         else { \
 731                 CHECK_ARGUMENT((p) & SLJIT_MEM); \
 732                 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
 733                 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
 734                 if ((p) & OFFS_REG_MASK) { \
 735                         CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
 736                         CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
 737                         CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
 738                         CHECK_ARGUMENT(!((i) & ~0x3)); \
 739                 } \
 740                 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
 741         }
 742
 743 #define FUNCTION_FCHECK(p, i) \
 744         CHECK_ARGUMENT(compiler->fscratches != -1 && compiler->fsaveds != -1); \
 745         if (((p) >= SLJIT_FR0 && (p) < (SLJIT_FR0 + compiler->fscratches)) || \
 746                         ((p) > (SLJIT_FS0 - compiler->fsaveds) && (p) <= SLJIT_FS0)) \
 747                 CHECK_ARGUMENT(i == 0); \
 748         else if ((p) == (SLJIT_MEM1(SLJIT_SP))) \
 749                 CHECK_ARGUMENT((i) >= 0 && (i) < compiler->logical_local_size); \
 750         else { \
 751                 CHECK_ARGUMENT((p) & SLJIT_MEM); \
 752                 CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG_OR_UNUSED((p) & REG_MASK)); \
 753                 CHECK_NOT_VIRTUAL_REGISTER((p) & REG_MASK); \
 754                 if ((p) & OFFS_REG_MASK) { \
 755                         CHECK_ARGUMENT(((p) & REG_MASK) != SLJIT_UNUSED); \
 756                         CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
 757                         CHECK_NOT_VIRTUAL_REGISTER(OFFS_REG(p)); \
 758                         CHECK_ARGUMENT(((p) & OFFS_REG_MASK) != TO_OFFS_REG(SLJIT_SP) && !(i & ~0x3)); \
 759                 } \
 760                 CHECK_ARGUMENT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
 761         }
 762
 763 #define FUNCTION_CHECK_OP1() \
 764         if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
 765                 CHECK_ARGUMENT(!(src & SLJIT_MEM) || (src & REG_MASK) != SLJIT_SP); \
 766                 CHECK_ARGUMENT(!(dst & SLJIT_MEM) || (dst & REG_MASK) != SLJIT_SP); \
 767                 if ((src & SLJIT_MEM) && (src & REG_MASK)) \
 768                         CHECK_ARGUMENT((dst & REG_MASK) != (src & REG_MASK) && OFFS_REG(dst) != (src & REG_MASK)); \
 769         }
 770
 771 #endif /* SLJIT_ARGUMENT_CHECKS */
 772
 773 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 774
 775 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
 776 {
 777         compiler->verbose = verbose;
 778 }
 779
 780 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
 781 #ifdef _WIN64
 782 #       define SLJIT_PRINT_D    "I64"
 783 #else
 784 #       define SLJIT_PRINT_D    "l"
 785 #endif
 786 #else
 787 #       define SLJIT_PRINT_D    ""
 788 #endif
 789
 790 #define sljit_verbose_reg(compiler, r) \
 791         do { \
 792                 if ((r) < (SLJIT_R0 + compiler->scratches)) \
 793                         fprintf(compiler->verbose, "r%d", (r) - SLJIT_R0); \
 794                 else \
 795                         fprintf(compiler->verbose, "s%d", SLJIT_NUMBER_OF_REGISTERS - (r)); \
 796         } while (0)
 797
 798 #define sljit_verbose_param(compiler, p, i) \
 799         if ((p) & SLJIT_IMM) \
 800                 fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i)); \
 801         else if ((p) & SLJIT_MEM) { \
 802                 if ((p) & REG_MASK) { \
 803                         fputc('[', compiler->verbose); \
 804                         sljit_verbose_reg(compiler, (p) & REG_MASK); \
 805                         if ((p) & OFFS_REG_MASK) { \
 806                                 fprintf(compiler->verbose, " + "); \
 807                                 sljit_verbose_reg(compiler, OFFS_REG(p)); \
 808                                 if (i) \
 809                                         fprintf(compiler->verbose, " * %d", 1 << (i)); \
 810                         } \
 811                         else if (i) \
 812                                 fprintf(compiler->verbose, " + %" SLJIT_PRINT_D "d", (i)); \
 813                         fputc(']', compiler->verbose); \
 814                 } \
 815                 else \
 816                         fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
 817         } else if (p) \
 818                 sljit_verbose_reg(compiler, p); \
 819         else \
 820                 fprintf(compiler->verbose, "unused");
 821
 822 #define sljit_verbose_fparam(compiler, p, i) \
 823         if ((p) & SLJIT_MEM) { \
 824                 if ((p) & REG_MASK) { \
 825                         fputc('[', compiler->verbose); \
 826                         sljit_verbose_reg(compiler, (p) & REG_MASK); \
 827                         if ((p) & OFFS_REG_MASK) { \
 828                                 fprintf(compiler->verbose, " + "); \
 829                                 sljit_verbose_reg(compiler, OFFS_REG(p)); \
 830                                 if (i) \
 831                                         fprintf(compiler->verbose, "%d", 1 << (i)); \
 832                         } \
 833                         else if (i) \
 834                                 fprintf(compiler->verbose, "%" SLJIT_PRINT_D "d", (i)); \
 835                         fputc(']', compiler->verbose); \
 836                 } \
 837                 else \
 838                         fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
 839         } \
 840         else { \
 841                 if ((p) < (SLJIT_FR0 + compiler->fscratches)) \
 842                         fprintf(compiler->verbose, "fr%d", (p) - SLJIT_FR0); \
 843                 else \
 844                         fprintf(compiler->verbose, "fs%d", SLJIT_NUMBER_OF_FLOAT_REGISTERS - (p)); \
 845         }
 846
 847 static const char* op0_names[] = {
 848         (char*)"breakpoint", (char*)"nop", (char*)"lmul.uw", (char*)"lmul.sw",
 849         (char*)"divmod.u", (char*)"divmod.s", (char*)"div.u", (char*)"div.s"
 850 };
 851
 852 static const char* op1_names[] = {
 853         (char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
 854         (char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
 855         (char*)"", (char*)".u8", (char*)".s8", (char*)".u16",
 856         (char*)".s16", (char*)".u32", (char*)".s32", (char*)".p",
 857         (char*)"not", (char*)"neg", (char*)"clz",
 858 };
 859
 860 static const char* op2_names[] = {
 861         (char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
 862         (char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
 863         (char*)"shl", (char*)"lshr", (char*)"ashr",
 864 };
 865
 866 static const char* fop1_names[] = {
 867         (char*)"mov", (char*)"conv", (char*)"conv", (char*)"conv",
 868         (char*)"conv", (char*)"conv", (char*)"cmp", (char*)"neg",
 869         (char*)"abs",
 870 };
 871
 872 static const char* fop2_names[] = {
 873         (char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
 874 };
 875
 876 #define JUMP_POSTFIX(type) \
 877         ((type & 0xff) <= SLJIT_MUL_NOT_OVERFLOW ? ((type & SLJIT_I32_OP) ? "32" : "") \
 878         : ((type & 0xff) <= SLJIT_ORDERED_F64 ? ((type & SLJIT_F32_OP) ? ".f32" : ".f64") : ""))
 879
 880 static char* jump_names[] = {
 881         (char*)"equal", (char*)"not_equal",
 882         (char*)"less", (char*)"greater_equal",
 883         (char*)"greater", (char*)"less_equal",
 884         (char*)"sig_less", (char*)"sig_greater_equal",
 885         (char*)"sig_greater", (char*)"sig_less_equal",
 886         (char*)"overflow", (char*)"not_overflow",
 887         (char*)"mul_overflow", (char*)"mul_not_overflow",
 888         (char*)"equal", (char*)"not_equal",
 889         (char*)"less", (char*)"greater_equal",
 890         (char*)"greater", (char*)"less_equal",
 891         (char*)"unordered", (char*)"ordered",
 892         (char*)"jump", (char*)"fast_call",
 893         (char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
 894 };
 895
 896 #endif /* SLJIT_VERBOSE */
 897
 898 /* --------------------------------------------------------------------- */
 899 /*  Arch dependent                                                       */
 900 /* --------------------------------------------------------------------- */
 901
 902 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
 903         || (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 904
 905 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_generate_code(struct sljit_compiler *compiler)
 906 {
 907 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 908         struct sljit_jump *jump;
 909 #endif
 910
 911         SLJIT_UNUSED_ARG(compiler);
 912
 913 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 914         CHECK_ARGUMENT(compiler->size > 0);
 915         jump = compiler->jumps;
 916         while (jump) {
 917                 /* All jumps have target. */
 918                 CHECK_ARGUMENT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
 919                 jump = jump->next;
 920         }
 921 #endif
 922         CHECK_RETURN_OK;
 923 }
 924
 925 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_enter(struct sljit_compiler *compiler,
 926         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 927         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 928 {
 929         SLJIT_UNUSED_ARG(compiler);
 930
 931 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 932         CHECK_ARGUMENT(!(options & ~SLJIT_DOUBLE_ALIGNMENT));
 933         CHECK_ARGUMENT(args >= 0 && args <= 3);
 934         CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
 935         CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
 936         CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
 937         CHECK_ARGUMENT(args <= saveds);
 938         CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 939         CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 940         CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 941         CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
 942 #endif
 943 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 944         if (SLJIT_UNLIKELY(!!compiler->verbose))
 945                 fprintf(compiler->verbose, "  enter options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
 946                         args, scratches, saveds, fscratches, fsaveds, local_size);
 947 #endif
 948         CHECK_RETURN_OK;
 949 }
 950
 951 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_set_context(struct sljit_compiler *compiler,
 952         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
 953         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
 954 {
 955         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
 956                 compiler->skip_checks = 0;
 957                 CHECK_RETURN_OK;
 958         }
 959
 960 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 961         CHECK_ARGUMENT(!(options & ~SLJIT_DOUBLE_ALIGNMENT));
 962         CHECK_ARGUMENT(args >= 0 && args <= 3);
 963         CHECK_ARGUMENT(scratches >= 0 && scratches <= SLJIT_NUMBER_OF_REGISTERS);
 964         CHECK_ARGUMENT(saveds >= 0 && saveds <= SLJIT_NUMBER_OF_REGISTERS);
 965         CHECK_ARGUMENT(scratches + saveds <= SLJIT_NUMBER_OF_REGISTERS);
 966         CHECK_ARGUMENT(args <= saveds);
 967         CHECK_ARGUMENT(fscratches >= 0 && fscratches <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 968         CHECK_ARGUMENT(fsaveds >= 0 && fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 969         CHECK_ARGUMENT(fscratches + fsaveds <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
 970         CHECK_ARGUMENT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
 971 #endif
 972 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 973         if (SLJIT_UNLIKELY(!!compiler->verbose))
 974                 fprintf(compiler->verbose, "  set_context options:none args:%d scratches:%d saveds:%d fscratches:%d fsaveds:%d local_size:%d\n",
 975                         args, scratches, saveds, fscratches, fsaveds, local_size);
 976 #endif
 977         CHECK_RETURN_OK;
 978 }
 979
 980 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
 981 {
 982 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
 983         CHECK_ARGUMENT(compiler->scratches >= 0);
 984         if (op != SLJIT_UNUSED) {
 985                 CHECK_ARGUMENT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
 986                 FUNCTION_CHECK_SRC(src, srcw);
 987         }
 988         else
 989                 CHECK_ARGUMENT(src == 0 && srcw == 0);
 990 #endif
 991 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
 992         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
 993                 if (op == SLJIT_UNUSED)
 994                         fprintf(compiler->verbose, "  return\n");
 995                 else {
 996                         fprintf(compiler->verbose, "  return%s ", op1_names[op - SLJIT_OP1_BASE]);
 997                         sljit_verbose_param(compiler, src, srcw);
 998                         fprintf(compiler->verbose, "\n");
 999                 }
1000         }
1001 #endif
1002         CHECK_RETURN_OK;
1003 }
1004
1005 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1006 {
1007 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1008         FUNCTION_CHECK_DST(dst, dstw);
1009 #endif
1010 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1011         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1012                 fprintf(compiler->verbose, "  fast_enter ");
1013                 sljit_verbose_param(compiler, dst, dstw);
1014                 fprintf(compiler->verbose, "\n");
1015         }
1016 #endif
1017         CHECK_RETURN_OK;
1018 }
1019
1020 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1021 {
1022 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1023         FUNCTION_CHECK_SRC(src, srcw);
1024 #endif
1025 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1026         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1027                 fprintf(compiler->verbose, "  fast_return ");
1028                 sljit_verbose_param(compiler, src, srcw);
1029                 fprintf(compiler->verbose, "\n");
1030         }
1031 #endif
1032         CHECK_RETURN_OK;
1033 }
1034
1035 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1036 {
1037 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1038         CHECK_ARGUMENT((op >= SLJIT_BREAKPOINT && op <= SLJIT_LMUL_SW)
1039                 || ((op & ~SLJIT_I32_OP) >= SLJIT_DIVMOD_UW && (op & ~SLJIT_I32_OP) <= SLJIT_DIV_SW));
1040         CHECK_ARGUMENT(op < SLJIT_LMUL_UW || compiler->scratches >= 2);
1041 #endif
1042 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1043         if (SLJIT_UNLIKELY(!!compiler->verbose))
1044         {
1045                 fprintf(compiler->verbose, "  %s", op0_names[GET_OPCODE(op) - SLJIT_OP0_BASE]);
1046                 if (GET_OPCODE(op) >= SLJIT_DIVMOD_UW) {
1047                         fprintf(compiler->verbose, (op & SLJIT_I32_OP) ? "32" : "w");
1048                 }
1049                 fprintf(compiler->verbose, "\n");
1050         }
1051 #endif
1052         CHECK_RETURN_OK;
1053 }
1054
1055 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1056         sljit_s32 dst, sljit_sw dstw,
1057         sljit_s32 src, sljit_sw srcw)
1058 {
1059         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1060                 compiler->skip_checks = 0;
1061                 CHECK_RETURN_OK;
1062         }
1063
1064 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1065         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
1066         FUNCTION_CHECK_OP();
1067         FUNCTION_CHECK_SRC(src, srcw);
1068         FUNCTION_CHECK_DST(dst, dstw);
1069         FUNCTION_CHECK_OP1();
1070 #endif
1071 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1072         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1073                 if (GET_OPCODE(op) <= SLJIT_MOVU_P)
1074                 {
1075                         fprintf(compiler->verbose, "  mov%s%s%s ", (GET_OPCODE(op) >= SLJIT_MOVU) ? "u" : "",
1076                                 !(op & SLJIT_I32_OP) ? "" : "32", (op != SLJIT_MOV32 && op != SLJIT_MOVU32) ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : "");
1077                 }
1078                 else
1079                 {
1080                         fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1081                                 !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1082                                 !(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1083                 }
1084
1085                 sljit_verbose_param(compiler, dst, dstw);
1086                 fprintf(compiler->verbose, ", ");
1087                 sljit_verbose_param(compiler, src, srcw);
1088                 fprintf(compiler->verbose, "\n");
1089         }
1090 #endif
1091         CHECK_RETURN_OK;
1092 }
1093
1094 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1095         sljit_s32 dst, sljit_sw dstw,
1096         sljit_s32 src1, sljit_sw src1w,
1097         sljit_s32 src2, sljit_sw src2w)
1098 {
1099         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1100                 compiler->skip_checks = 0;
1101                 CHECK_RETURN_OK;
1102         }
1103
1104 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1105         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
1106         FUNCTION_CHECK_OP();
1107         FUNCTION_CHECK_SRC(src1, src1w);
1108         FUNCTION_CHECK_SRC(src2, src2w);
1109         FUNCTION_CHECK_DST(dst, dstw);
1110 #endif
1111 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1112         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1113                 fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE], !(op & SLJIT_I32_OP) ? "" : "32",
1114                         !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
1115                         !(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
1116                 sljit_verbose_param(compiler, dst, dstw);
1117                 fprintf(compiler->verbose, ", ");
1118                 sljit_verbose_param(compiler, src1, src1w);
1119                 fprintf(compiler->verbose, ", ");
1120                 sljit_verbose_param(compiler, src2, src2w);
1121                 fprintf(compiler->verbose, "\n");
1122         }
1123 #endif
1124         CHECK_RETURN_OK;
1125 }
1126
1127 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_register_index(sljit_s32 reg)
1128 {
1129         SLJIT_UNUSED_ARG(reg);
1130 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1131         CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_REGISTERS);
1132 #endif
1133         CHECK_RETURN_OK;
1134 }
1135
1136 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_float_register_index(sljit_s32 reg)
1137 {
1138         SLJIT_UNUSED_ARG(reg);
1139 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1140         CHECK_ARGUMENT(reg > 0 && reg <= SLJIT_NUMBER_OF_FLOAT_REGISTERS);
1141 #endif
1142         CHECK_RETURN_OK;
1143 }
1144
1145 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_compiler *compiler,
1146         void *instruction, sljit_s32 size)
1147 {
1148 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1149         int i;
1150 #endif
1151
1152         SLJIT_UNUSED_ARG(compiler);
1153
1154 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1155         CHECK_ARGUMENT(instruction);
1156 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1157         CHECK_ARGUMENT(size > 0 && size < 16);
1158 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1159         CHECK_ARGUMENT((size == 2 && (((sljit_sw)instruction) & 0x1) == 0)
1160                 || (size == 4 && (((sljit_sw)instruction) & 0x3) == 0));
1161 #else
1162         CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0);
1163 #endif
1164
1165 #endif
1166 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1167         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1168                 fprintf(compiler->verbose, "  op_custom");
1169                 for (i = 0; i < size; i++)
1170                         fprintf(compiler->verbose, " 0x%x", ((sljit_u8*)instruction)[i]);
1171                 fprintf(compiler->verbose, "\n");
1172         }
1173 #endif
1174         CHECK_RETURN_OK;
1175 }
1176
1177 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1178         sljit_s32 dst, sljit_sw dstw,
1179         sljit_s32 src, sljit_sw srcw)
1180 {
1181         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1182                 compiler->skip_checks = 0;
1183                 CHECK_RETURN_OK;
1184         }
1185
1186 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1187         CHECK_ARGUMENT(sljit_is_fpu_available());
1188         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_MOV_F64 && GET_OPCODE(op) <= SLJIT_ABS_F64);
1189         FUNCTION_CHECK_FOP();
1190         FUNCTION_FCHECK(src, srcw);
1191         FUNCTION_FCHECK(dst, dstw);
1192 #endif
1193 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1194         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1195                 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1196                         fprintf(compiler->verbose, "  %s%s ", fop1_names[SLJIT_CONV_F64_FROM_F32 - SLJIT_FOP1_BASE],
1197                                 (op & SLJIT_F32_OP) ? ".f32.from.f64" : ".f64.from.f32");
1198                 else
1199                         fprintf(compiler->verbose, "  %s%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1200                                 (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1201
1202                 sljit_verbose_fparam(compiler, dst, dstw);
1203                 fprintf(compiler->verbose, ", ");
1204                 sljit_verbose_fparam(compiler, src, srcw);
1205                 fprintf(compiler->verbose, "\n");
1206         }
1207 #endif
1208         CHECK_RETURN_OK;
1209 }
1210
1211 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1212         sljit_s32 src1, sljit_sw src1w,
1213         sljit_s32 src2, sljit_sw src2w)
1214 {
1215         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1216                 compiler->skip_checks = 0;
1217                 CHECK_RETURN_OK;
1218         }
1219
1220 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1221         CHECK_ARGUMENT(sljit_is_fpu_available());
1222         CHECK_ARGUMENT(GET_OPCODE(op) == SLJIT_CMP_F64);
1223         FUNCTION_CHECK_FOP();
1224         FUNCTION_FCHECK(src1, src1w);
1225         FUNCTION_FCHECK(src2, src2w);
1226 #endif
1227 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1228         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1229                 fprintf(compiler->verbose, "  %s%s%s%s ", fop1_names[SLJIT_CMP_F64 - SLJIT_FOP1_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64",
1230                         (op & SLJIT_SET_E) ? ".e" : "", (op & SLJIT_SET_S) ? ".s" : "");
1231                 sljit_verbose_fparam(compiler, src1, src1w);
1232                 fprintf(compiler->verbose, ", ");
1233                 sljit_verbose_fparam(compiler, src2, src2w);
1234                 fprintf(compiler->verbose, "\n");
1235         }
1236 #endif
1237         CHECK_RETURN_OK;
1238 }
1239
1240 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
1241         sljit_s32 dst, sljit_sw dstw,
1242         sljit_s32 src, sljit_sw srcw)
1243 {
1244         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1245                 compiler->skip_checks = 0;
1246                 CHECK_RETURN_OK;
1247         }
1248
1249 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1250         CHECK_ARGUMENT(sljit_is_fpu_available());
1251         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CONV_S32_FROM_F64);
1252         FUNCTION_CHECK_FOP();
1253         FUNCTION_FCHECK(src, srcw);
1254         FUNCTION_CHECK_DST(dst, dstw);
1255 #endif
1256 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1257         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1258                 fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1259                         (GET_OPCODE(op) == SLJIT_CONV_S32_FROM_F64) ? ".s32" : ".sw",
1260                         (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1261                 sljit_verbose_param(compiler, dst, dstw);
1262                 fprintf(compiler->verbose, ", ");
1263                 sljit_verbose_fparam(compiler, src, srcw);
1264                 fprintf(compiler->verbose, "\n");
1265         }
1266 #endif
1267         CHECK_RETURN_OK;
1268 }
1269
1270 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
1271         sljit_s32 dst, sljit_sw dstw,
1272         sljit_s32 src, sljit_sw srcw)
1273 {
1274         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1275                 compiler->skip_checks = 0;
1276                 CHECK_RETURN_OK;
1277         }
1278
1279 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1280         CHECK_ARGUMENT(sljit_is_fpu_available());
1281         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_CONV_F64_FROM_SW && GET_OPCODE(op) <= SLJIT_CONV_F64_FROM_S32);
1282         FUNCTION_CHECK_FOP();
1283         FUNCTION_CHECK_SRC(src, srcw);
1284         FUNCTION_FCHECK(dst, dstw);
1285 #endif
1286 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1287         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1288                 fprintf(compiler->verbose, "  %s%s.from%s ", fop1_names[GET_OPCODE(op) - SLJIT_FOP1_BASE],
1289                         (op & SLJIT_F32_OP) ? ".f32" : ".f64",
1290                         (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) ? ".s32" : ".sw");
1291                 sljit_verbose_fparam(compiler, dst, dstw);
1292                 fprintf(compiler->verbose, ", ");
1293                 sljit_verbose_param(compiler, src, srcw);
1294                 fprintf(compiler->verbose, "\n");
1295         }
1296 #endif
1297         CHECK_RETURN_OK;
1298 }
1299
1300 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1301         sljit_s32 dst, sljit_sw dstw,
1302         sljit_s32 src1, sljit_sw src1w,
1303         sljit_s32 src2, sljit_sw src2w)
1304 {
1305 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1306         CHECK_ARGUMENT(sljit_is_fpu_available());
1307         CHECK_ARGUMENT(GET_OPCODE(op) >= SLJIT_ADD_F64 && GET_OPCODE(op) <= SLJIT_DIV_F64);
1308         FUNCTION_CHECK_FOP();
1309         FUNCTION_FCHECK(src1, src1w);
1310         FUNCTION_FCHECK(src2, src2w);
1311         FUNCTION_FCHECK(dst, dstw);
1312 #endif
1313 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1314         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1315                 fprintf(compiler->verbose, "  %s%s ", fop2_names[GET_OPCODE(op) - SLJIT_FOP2_BASE], (op & SLJIT_F32_OP) ? ".f32" : ".f64");
1316                 sljit_verbose_fparam(compiler, dst, dstw);
1317                 fprintf(compiler->verbose, ", ");
1318                 sljit_verbose_fparam(compiler, src1, src1w);
1319                 fprintf(compiler->verbose, ", ");
1320                 sljit_verbose_fparam(compiler, src2, src2w);
1321                 fprintf(compiler->verbose, "\n");
1322         }
1323 #endif
1324         CHECK_RETURN_OK;
1325 }
1326
1327 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_label(struct sljit_compiler *compiler)
1328 {
1329         SLJIT_UNUSED_ARG(compiler);
1330
1331 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1332         if (SLJIT_UNLIKELY(!!compiler->verbose))
1333                 fprintf(compiler->verbose, "label:\n");
1334 #endif
1335         CHECK_RETURN_OK;
1336 }
1337
1338 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1339 {
1340         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1341                 compiler->skip_checks = 0;
1342                 CHECK_RETURN_OK;
1343         }
1344
1345 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1346         CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1347         CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_CALL3);
1348         CHECK_ARGUMENT((type & 0xff) < SLJIT_JUMP || !(type & SLJIT_I32_OP));
1349         CHECK_ARGUMENT((type & 0xff) <= SLJIT_CALL0 || ((type & 0xff) - SLJIT_CALL0) <= compiler->scratches);
1350 #endif
1351 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1352         if (SLJIT_UNLIKELY(!!compiler->verbose))
1353                 fprintf(compiler->verbose, "  jump%s %s%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1354                         jump_names[type & 0xff], JUMP_POSTFIX(type));
1355 #endif
1356         CHECK_RETURN_OK;
1357 }
1358
1359 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1360         sljit_s32 src1, sljit_sw src1w,
1361         sljit_s32 src2, sljit_sw src2w)
1362 {
1363 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1364         CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_I32_OP)));
1365         CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_SIG_LESS_EQUAL);
1366         FUNCTION_CHECK_SRC(src1, src1w);
1367         FUNCTION_CHECK_SRC(src2, src2w);
1368 #endif
1369 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1370         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1371                 fprintf(compiler->verbose, "  cmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1372                         jump_names[type & 0xff], (type & SLJIT_I32_OP) ? "32" : "");
1373                 sljit_verbose_param(compiler, src1, src1w);
1374                 fprintf(compiler->verbose, ", ");
1375                 sljit_verbose_param(compiler, src2, src2w);
1376                 fprintf(compiler->verbose, "\n");
1377         }
1378 #endif
1379         CHECK_RETURN_OK;
1380 }
1381
1382 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1383         sljit_s32 src1, sljit_sw src1w,
1384         sljit_s32 src2, sljit_sw src2w)
1385 {
1386 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1387         CHECK_ARGUMENT(sljit_is_fpu_available());
1388         CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_F32_OP)));
1389         CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL_F64 && (type & 0xff) <= SLJIT_ORDERED_F64);
1390         FUNCTION_FCHECK(src1, src1w);
1391         FUNCTION_FCHECK(src2, src2w);
1392 #endif
1393 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1394         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1395                 fprintf(compiler->verbose, "  fcmp%s %s%s, ", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r",
1396                         jump_names[type & 0xff], (type & SLJIT_F32_OP) ? ".f32" : ".f64");
1397                 sljit_verbose_fparam(compiler, src1, src1w);
1398                 fprintf(compiler->verbose, ", ");
1399                 sljit_verbose_fparam(compiler, src2, src2w);
1400                 fprintf(compiler->verbose, "\n");
1401         }
1402 #endif
1403         CHECK_RETURN_OK;
1404 }
1405
1406 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1407 {
1408         if (SLJIT_UNLIKELY(compiler->skip_checks)) {
1409                 compiler->skip_checks = 0;
1410                 CHECK_RETURN_OK;
1411         }
1412
1413 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1414         CHECK_ARGUMENT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
1415         CHECK_ARGUMENT(type <= SLJIT_CALL0 || (type - SLJIT_CALL0) <= compiler->scratches);
1416         FUNCTION_CHECK_SRC(src, srcw);
1417 #endif
1418 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1419         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1420                 fprintf(compiler->verbose, "  ijump.%s ", jump_names[type]);
1421                 sljit_verbose_param(compiler, src, srcw);
1422                 fprintf(compiler->verbose, "\n");
1423         }
1424 #endif
1425         CHECK_RETURN_OK;
1426 }
1427
1428 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1429         sljit_s32 dst, sljit_sw dstw,
1430         sljit_s32 src, sljit_sw srcw,
1431         sljit_s32 type)
1432 {
1433 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1434         CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_I32_OP)));
1435         CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_ORDERED_F64);
1436         CHECK_ARGUMENT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_MOV_U32 || GET_OPCODE(op) == SLJIT_MOV_S32
1437                 || (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
1438         CHECK_ARGUMENT((op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C)) == 0);
1439         CHECK_ARGUMENT((op & (SLJIT_SET_E | SLJIT_KEEP_FLAGS)) != (SLJIT_SET_E | SLJIT_KEEP_FLAGS));
1440         if (GET_OPCODE(op) < SLJIT_ADD) {
1441                 CHECK_ARGUMENT(src == SLJIT_UNUSED && srcw == 0);
1442         } else {
1443                 CHECK_ARGUMENT(src == dst && srcw == dstw);
1444         }
1445         FUNCTION_CHECK_DST(dst, dstw);
1446 #endif
1447 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1448         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1449                 fprintf(compiler->verbose, "  flags %s%s%s%s, ",
1450                         !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k",
1451                         GET_OPCODE(op) < SLJIT_OP2_BASE ? "mov" : op2_names[GET_OPCODE(op) - SLJIT_OP2_BASE],
1452                         GET_OPCODE(op) < SLJIT_OP2_BASE ? op1_names[GET_OPCODE(op) - SLJIT_OP1_BASE] : ((op & SLJIT_I32_OP) ? "32" : ""));
1453                 sljit_verbose_param(compiler, dst, dstw);
1454                 if (src != SLJIT_UNUSED) {
1455                         fprintf(compiler->verbose, ", ");
1456                         sljit_verbose_param(compiler, src, srcw);
1457                 }
1458                 fprintf(compiler->verbose, ", %s%s\n", jump_names[type & 0xff], JUMP_POSTFIX(type));
1459         }
1460 #endif
1461         CHECK_RETURN_OK;
1462 }
1463
1464 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1465 {
1466         SLJIT_UNUSED_ARG(offset);
1467
1468 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1469         FUNCTION_CHECK_DST(dst, dstw);
1470 #endif
1471 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1472         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1473                 fprintf(compiler->verbose, "  local_base ");
1474                 sljit_verbose_param(compiler, dst, dstw);
1475                 fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
1476         }
1477 #endif
1478         CHECK_RETURN_OK;
1479 }
1480
1481 static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1482 {
1483         SLJIT_UNUSED_ARG(init_value);
1484
1485 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1486         FUNCTION_CHECK_DST(dst, dstw);
1487 #endif
1488 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1489         if (SLJIT_UNLIKELY(!!compiler->verbose)) {
1490                 fprintf(compiler->verbose, "  const ");
1491                 sljit_verbose_param(compiler, dst, dstw);
1492                 fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
1493         }
1494 #endif
1495         CHECK_RETURN_OK;
1496 }
1497
1498 #endif /* SLJIT_ARGUMENT_CHECKS || SLJIT_VERBOSE */
1499
1500 #define SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw) \
1501         SLJIT_COMPILE_ASSERT(!(SLJIT_CONV_SW_FROM_F64 & 0x1) && !(SLJIT_CONV_F64_FROM_SW & 0x1), \
1502                 invalid_float_opcodes); \
1503         if (GET_OPCODE(op) >= SLJIT_CONV_SW_FROM_F64 && GET_OPCODE(op) <= SLJIT_CMP_F64) { \
1504                 if (GET_OPCODE(op) == SLJIT_CMP_F64) { \
1505                         CHECK(check_sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw)); \
1506                         ADJUST_LOCAL_OFFSET(dst, dstw); \
1507                         ADJUST_LOCAL_OFFSET(src, srcw); \
1508                         return sljit_emit_fop1_cmp(compiler, op, dst, dstw, src, srcw); \
1509                 } \
1510                 if ((GET_OPCODE(op) | 0x1) == SLJIT_CONV_S32_FROM_F64) { \
1511                         CHECK(check_sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw)); \
1512                         ADJUST_LOCAL_OFFSET(dst, dstw); \
1513                         ADJUST_LOCAL_OFFSET(src, srcw); \
1514                         return sljit_emit_fop1_conv_sw_from_f64(compiler, op, dst, dstw, src, srcw); \
1515                 } \
1516                 CHECK(check_sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw)); \
1517                 ADJUST_LOCAL_OFFSET(dst, dstw); \
1518                 ADJUST_LOCAL_OFFSET(src, srcw); \
1519                 return sljit_emit_fop1_conv_f64_from_sw(compiler, op, dst, dstw, src, srcw); \
1520         } \
1521         CHECK(check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw)); \
1522         ADJUST_LOCAL_OFFSET(dst, dstw); \
1523         ADJUST_LOCAL_OFFSET(src, srcw);
1524
1525 static SLJIT_INLINE sljit_s32 emit_mov_before_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1526 {
1527         /* Return if don't need to do anything. */
1528         if (op == SLJIT_UNUSED)
1529                 return SLJIT_SUCCESS;
1530
1531 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1532         /* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
1533         if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
1534                 return SLJIT_SUCCESS;
1535 #else
1536         if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_U32 || op == SLJIT_MOV_S32 || op == SLJIT_MOV_P))
1537                 return SLJIT_SUCCESS;
1538 #endif
1539
1540 #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) \
1541                 || (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1542         compiler->skip_checks = 1;
1543 #endif
1544         return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
1545 }
1546
1547 /* CPU description section */
1548
1549 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
1550 #define SLJIT_CPUINFO_PART1 " 32bit ("
1551 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
1552 #define SLJIT_CPUINFO_PART1 " 64bit ("
1553 #else
1554 #error "Internal error: CPU type info missing"
1555 #endif
1556
1557 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
1558 #define SLJIT_CPUINFO_PART2 "little endian + "
1559 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
1560 #define SLJIT_CPUINFO_PART2 "big endian + "
1561 #else
1562 #error "Internal error: CPU type info missing"
1563 #endif
1564
1565 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
1566 #define SLJIT_CPUINFO_PART3 "unaligned)"
1567 #else
1568 #define SLJIT_CPUINFO_PART3 "aligned)"
1569 #endif
1570
1571 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
1572
1573 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1574 #       include "sljitNativeX86_common.c"
1575 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
1576 #       include "sljitNativeARM_32.c"
1577 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
1578 #       include "sljitNativeARM_32.c"
1579 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
1580 #       include "sljitNativeARM_T2_32.c"
1581 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1582 #       include "sljitNativeARM_64.c"
1583 #elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC)
1584 #       include "sljitNativePPC_common.c"
1585 #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1586 #       include "sljitNativeMIPS_common.c"
1587 #elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC)
1588 #       include "sljitNativeSPARC_common.c"
1589 #elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
1590 #       include "sljitNativeTILEGX_64.c"
1591 #endif
1592
1593 #if !(defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS)
1594
1595 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1596         sljit_s32 src1, sljit_sw src1w,
1597         sljit_s32 src2, sljit_sw src2w)
1598 {
1599         /* Default compare for most architectures. */
1600         sljit_s32 flags, tmp_src, condition;
1601         sljit_sw tmp_srcw;
1602
1603         CHECK_ERROR_PTR();
1604         CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w));
1605
1606         condition = type & 0xff;
1607 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
1608         if ((condition == SLJIT_EQUAL || condition == SLJIT_NOT_EQUAL)) {
1609                 if ((src1 & SLJIT_IMM) && !src1w) {
1610                         src1 = src2;
1611                         src1w = src2w;
1612                         src2 = SLJIT_IMM;
1613                         src2w = 0;
1614                 }
1615                 if ((src2 & SLJIT_IMM) && !src2w)
1616                         return emit_cmp_to0(compiler, type, src1, src1w);
1617         }
1618 #endif
1619
1620         if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
1621                 /* Immediate is prefered as second argument by most architectures. */
1622                 switch (condition) {
1623                 case SLJIT_LESS:
1624                         condition = SLJIT_GREATER;
1625                         break;
1626                 case SLJIT_GREATER_EQUAL:
1627                         condition = SLJIT_LESS_EQUAL;
1628                         break;
1629                 case SLJIT_GREATER:
1630                         condition = SLJIT_LESS;
1631                         break;
1632                 case SLJIT_LESS_EQUAL:
1633                         condition = SLJIT_GREATER_EQUAL;
1634                         break;
1635                 case SLJIT_SIG_LESS:
1636                         condition = SLJIT_SIG_GREATER;
1637                         break;
1638                 case SLJIT_SIG_GREATER_EQUAL:
1639                         condition = SLJIT_SIG_LESS_EQUAL;
1640                         break;
1641                 case SLJIT_SIG_GREATER:
1642                         condition = SLJIT_SIG_LESS;
1643                         break;
1644                 case SLJIT_SIG_LESS_EQUAL:
1645                         condition = SLJIT_SIG_GREATER_EQUAL;
1646                         break;
1647                 }
1648                 type = condition | (type & (SLJIT_I32_OP | SLJIT_REWRITABLE_JUMP));
1649                 tmp_src = src1;
1650                 src1 = src2;
1651                 src2 = tmp_src;
1652                 tmp_srcw = src1w;
1653                 src1w = src2w;
1654                 src2w = tmp_srcw;
1655         }
1656
1657         if (condition <= SLJIT_NOT_ZERO)
1658                 flags = SLJIT_SET_E;
1659         else if (condition <= SLJIT_LESS_EQUAL)
1660                 flags = SLJIT_SET_U;
1661         else
1662                 flags = SLJIT_SET_S;
1663
1664 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1665                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1666         compiler->skip_checks = 1;
1667 #endif
1668         PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_I32_OP),
1669                 SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
1670 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1671                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1672         compiler->skip_checks = 1;
1673 #endif
1674         return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1675 }
1676
1677 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1678         sljit_s32 src1, sljit_sw src1w,
1679         sljit_s32 src2, sljit_sw src2w)
1680 {
1681         sljit_s32 flags, condition;
1682
1683         CHECK_ERROR_PTR();
1684         CHECK_PTR(check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w));
1685
1686         condition = type & 0xff;
1687         flags = (condition <= SLJIT_NOT_EQUAL_F64) ? SLJIT_SET_E : SLJIT_SET_S;
1688         if (type & SLJIT_F32_OP)
1689                 flags |= SLJIT_F32_OP;
1690
1691 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1692                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1693         compiler->skip_checks = 1;
1694 #endif
1695         sljit_emit_fop1(compiler, SLJIT_CMP_F64 | flags, src1, src1w, src2, src2w);
1696
1697 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1698                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1699         compiler->skip_checks = 1;
1700 #endif
1701         return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
1702 }
1703
1704 #endif
1705
1706 #if !(defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
1707
1708 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
1709 {
1710         CHECK_ERROR();
1711         CHECK(check_sljit_get_local_base(compiler, dst, dstw, offset));
1712
1713         ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_SP), offset);
1714 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1715                 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1716         compiler->skip_checks = 1;
1717 #endif
1718         if (offset != 0)
1719                 return sljit_emit_op2(compiler, SLJIT_ADD | SLJIT_KEEP_FLAGS, dst, dstw, SLJIT_SP, 0, SLJIT_IMM, offset);
1720         return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_SP, 0);
1721 }
1722
1723 #endif
1724
1725 #else /* SLJIT_CONFIG_UNSUPPORTED */
1726
1727 /* Empty function bodies for those machines, which are not (yet) supported. */
1728
1729 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
1730 {
1731         return "unsupported";
1732 }
1733
1734 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
1735 {
1736         SLJIT_ASSERT_STOP();
1737         return NULL;
1738 }
1739
1740 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
1741 {
1742         SLJIT_UNUSED_ARG(compiler);
1743         SLJIT_ASSERT_STOP();
1744 }
1745
1746 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_s32 size)
1747 {
1748         SLJIT_UNUSED_ARG(compiler);
1749         SLJIT_UNUSED_ARG(size);
1750         SLJIT_ASSERT_STOP();
1751         return NULL;
1752 }
1753
1754 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
1755 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
1756 {
1757         SLJIT_UNUSED_ARG(compiler);
1758         SLJIT_UNUSED_ARG(verbose);
1759         SLJIT_ASSERT_STOP();
1760 }
1761 #endif
1762
1763 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
1764 {
1765         SLJIT_UNUSED_ARG(compiler);
1766         SLJIT_ASSERT_STOP();
1767         return NULL;
1768 }
1769
1770 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
1771 {
1772         SLJIT_UNUSED_ARG(code);
1773         SLJIT_ASSERT_STOP();
1774 }
1775
1776 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
1777         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
1778         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1779 {
1780         SLJIT_UNUSED_ARG(compiler);
1781         SLJIT_UNUSED_ARG(options);
1782         SLJIT_UNUSED_ARG(args);
1783         SLJIT_UNUSED_ARG(scratches);
1784         SLJIT_UNUSED_ARG(saveds);
1785         SLJIT_UNUSED_ARG(fscratches);
1786         SLJIT_UNUSED_ARG(fsaveds);
1787         SLJIT_UNUSED_ARG(local_size);
1788         SLJIT_ASSERT_STOP();
1789         return SLJIT_ERR_UNSUPPORTED;
1790 }
1791
1792 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
1793         sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
1794         sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
1795 {
1796         SLJIT_UNUSED_ARG(compiler);
1797         SLJIT_UNUSED_ARG(options);
1798         SLJIT_UNUSED_ARG(args);
1799         SLJIT_UNUSED_ARG(scratches);
1800         SLJIT_UNUSED_ARG(saveds);
1801         SLJIT_UNUSED_ARG(fscratches);
1802         SLJIT_UNUSED_ARG(fsaveds);
1803         SLJIT_UNUSED_ARG(local_size);
1804         SLJIT_ASSERT_STOP();
1805         return SLJIT_ERR_UNSUPPORTED;
1806 }
1807
1808 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
1809 {
1810         SLJIT_UNUSED_ARG(compiler);
1811         SLJIT_UNUSED_ARG(op);
1812         SLJIT_UNUSED_ARG(src);
1813         SLJIT_UNUSED_ARG(srcw);
1814         SLJIT_ASSERT_STOP();
1815         return SLJIT_ERR_UNSUPPORTED;
1816 }
1817
1818 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1819 {
1820         SLJIT_UNUSED_ARG(compiler);
1821         SLJIT_UNUSED_ARG(dst);
1822         SLJIT_UNUSED_ARG(dstw);
1823         SLJIT_ASSERT_STOP();
1824         return SLJIT_ERR_UNSUPPORTED;
1825 }
1826
1827 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1828 {
1829         SLJIT_UNUSED_ARG(compiler);
1830         SLJIT_UNUSED_ARG(src);
1831         SLJIT_UNUSED_ARG(srcw);
1832         SLJIT_ASSERT_STOP();
1833         return SLJIT_ERR_UNSUPPORTED;
1834 }
1835
1836 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
1837 {
1838         SLJIT_UNUSED_ARG(compiler);
1839         SLJIT_UNUSED_ARG(op);
1840         SLJIT_ASSERT_STOP();
1841         return SLJIT_ERR_UNSUPPORTED;
1842 }
1843
1844 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
1845         sljit_s32 dst, sljit_sw dstw,
1846         sljit_s32 src, sljit_sw srcw)
1847 {
1848         SLJIT_UNUSED_ARG(compiler);
1849         SLJIT_UNUSED_ARG(op);
1850         SLJIT_UNUSED_ARG(dst);
1851         SLJIT_UNUSED_ARG(dstw);
1852         SLJIT_UNUSED_ARG(src);
1853         SLJIT_UNUSED_ARG(srcw);
1854         SLJIT_ASSERT_STOP();
1855         return SLJIT_ERR_UNSUPPORTED;
1856 }
1857
1858 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
1859         sljit_s32 dst, sljit_sw dstw,
1860         sljit_s32 src1, sljit_sw src1w,
1861         sljit_s32 src2, sljit_sw src2w)
1862 {
1863         SLJIT_UNUSED_ARG(compiler);
1864         SLJIT_UNUSED_ARG(op);
1865         SLJIT_UNUSED_ARG(dst);
1866         SLJIT_UNUSED_ARG(dstw);
1867         SLJIT_UNUSED_ARG(src1);
1868         SLJIT_UNUSED_ARG(src1w);
1869         SLJIT_UNUSED_ARG(src2);
1870         SLJIT_UNUSED_ARG(src2w);
1871         SLJIT_ASSERT_STOP();
1872         return SLJIT_ERR_UNSUPPORTED;
1873 }
1874
1875 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
1876 {
1877         SLJIT_ASSERT_STOP();
1878         return reg;
1879 }
1880
1881 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
1882         void *instruction, sljit_s32 size)
1883 {
1884         SLJIT_UNUSED_ARG(compiler);
1885         SLJIT_UNUSED_ARG(instruction);
1886         SLJIT_UNUSED_ARG(size);
1887         SLJIT_ASSERT_STOP();
1888         return SLJIT_ERR_UNSUPPORTED;
1889 }
1890
1891 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void)
1892 {
1893         SLJIT_ASSERT_STOP();
1894         return 0;
1895 }
1896
1897 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1898         sljit_s32 dst, sljit_sw dstw,
1899         sljit_s32 src, sljit_sw srcw)
1900 {
1901         SLJIT_UNUSED_ARG(compiler);
1902         SLJIT_UNUSED_ARG(op);
1903         SLJIT_UNUSED_ARG(dst);
1904         SLJIT_UNUSED_ARG(dstw);
1905         SLJIT_UNUSED_ARG(src);
1906         SLJIT_UNUSED_ARG(srcw);
1907         SLJIT_ASSERT_STOP();
1908         return SLJIT_ERR_UNSUPPORTED;
1909 }
1910
1911 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1912         sljit_s32 dst, sljit_sw dstw,
1913         sljit_s32 src1, sljit_sw src1w,
1914         sljit_s32 src2, sljit_sw src2w)
1915 {
1916         SLJIT_UNUSED_ARG(compiler);
1917         SLJIT_UNUSED_ARG(op);
1918         SLJIT_UNUSED_ARG(dst);
1919         SLJIT_UNUSED_ARG(dstw);
1920         SLJIT_UNUSED_ARG(src1);
1921         SLJIT_UNUSED_ARG(src1w);
1922         SLJIT_UNUSED_ARG(src2);
1923         SLJIT_UNUSED_ARG(src2w);
1924         SLJIT_ASSERT_STOP();
1925         return SLJIT_ERR_UNSUPPORTED;
1926 }
1927
1928 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1929 {
1930         SLJIT_UNUSED_ARG(compiler);
1931         SLJIT_ASSERT_STOP();
1932         return NULL;
1933 }
1934
1935 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1936 {
1937         SLJIT_UNUSED_ARG(compiler);
1938         SLJIT_UNUSED_ARG(type);
1939         SLJIT_ASSERT_STOP();
1940         return NULL;
1941 }
1942
1943 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type,
1944         sljit_s32 src1, sljit_sw src1w,
1945         sljit_s32 src2, sljit_sw src2w)
1946 {
1947         SLJIT_UNUSED_ARG(compiler);
1948         SLJIT_UNUSED_ARG(type);
1949         SLJIT_UNUSED_ARG(src1);
1950         SLJIT_UNUSED_ARG(src1w);
1951         SLJIT_UNUSED_ARG(src2);
1952         SLJIT_UNUSED_ARG(src2w);
1953         SLJIT_ASSERT_STOP();
1954         return NULL;
1955 }
1956
1957 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_s32 type,
1958         sljit_s32 src1, sljit_sw src1w,
1959         sljit_s32 src2, sljit_sw src2w)
1960 {
1961         SLJIT_UNUSED_ARG(compiler);
1962         SLJIT_UNUSED_ARG(type);
1963         SLJIT_UNUSED_ARG(src1);
1964         SLJIT_UNUSED_ARG(src1w);
1965         SLJIT_UNUSED_ARG(src2);
1966         SLJIT_UNUSED_ARG(src2w);
1967         SLJIT_ASSERT_STOP();
1968         return NULL;
1969 }
1970
1971 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
1972 {
1973         SLJIT_UNUSED_ARG(jump);
1974         SLJIT_UNUSED_ARG(label);
1975         SLJIT_ASSERT_STOP();
1976 }
1977
1978 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
1979 {
1980         SLJIT_UNUSED_ARG(jump);
1981         SLJIT_UNUSED_ARG(target);
1982         SLJIT_ASSERT_STOP();
1983 }
1984
1985 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1986 {
1987         SLJIT_UNUSED_ARG(compiler);
1988         SLJIT_UNUSED_ARG(type);
1989         SLJIT_UNUSED_ARG(src);
1990         SLJIT_UNUSED_ARG(srcw);
1991         SLJIT_ASSERT_STOP();
1992         return SLJIT_ERR_UNSUPPORTED;
1993 }
1994
1995 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1996         sljit_s32 dst, sljit_sw dstw,
1997         sljit_s32 src, sljit_sw srcw,
1998         sljit_s32 type)
1999 {
2000         SLJIT_UNUSED_ARG(compiler);
2001         SLJIT_UNUSED_ARG(op);
2002         SLJIT_UNUSED_ARG(dst);
2003         SLJIT_UNUSED_ARG(dstw);
2004         SLJIT_UNUSED_ARG(src);
2005         SLJIT_UNUSED_ARG(srcw);
2006         SLJIT_UNUSED_ARG(type);
2007         SLJIT_ASSERT_STOP();
2008         return SLJIT_ERR_UNSUPPORTED;
2009 }
2010
2011 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset)
2012 {
2013         SLJIT_UNUSED_ARG(compiler);
2014         SLJIT_UNUSED_ARG(dst);
2015         SLJIT_UNUSED_ARG(dstw);
2016         SLJIT_UNUSED_ARG(offset);
2017         SLJIT_ASSERT_STOP();
2018         return SLJIT_ERR_UNSUPPORTED;
2019 }
2020
2021 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw initval)
2022 {
2023         SLJIT_UNUSED_ARG(compiler);
2024         SLJIT_UNUSED_ARG(dst);
2025         SLJIT_UNUSED_ARG(dstw);
2026         SLJIT_UNUSED_ARG(initval);
2027         SLJIT_ASSERT_STOP();
2028         return NULL;
2029 }
2030
2031 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
2032 {
2033         SLJIT_UNUSED_ARG(addr);
2034         SLJIT_UNUSED_ARG(new_addr);
2035         SLJIT_ASSERT_STOP();
2036 }
2037
2038 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
2039 {
2040         SLJIT_UNUSED_ARG(addr);
2041         SLJIT_UNUSED_ARG(new_constant);
2042         SLJIT_ASSERT_STOP();
2043 }
2044
2045 #endif