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sljitLir.c revision 1.4
      1 /*	$NetBSD: sljitLir.c,v 1.4 2014/06/17 19:33:20 alnsn 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 #include "sljitLir.h"
     30 
     31 #define CHECK_ERROR() \
     32 	do { \
     33 		if (SLJIT_UNLIKELY(compiler->error)) \
     34 			return compiler->error; \
     35 	} while (0)
     36 
     37 #define CHECK_ERROR_PTR() \
     38 	do { \
     39 		if (SLJIT_UNLIKELY(compiler->error)) \
     40 			return NULL; \
     41 	} while (0)
     42 
     43 #define CHECK_ERROR_VOID() \
     44 	do { \
     45 		if (SLJIT_UNLIKELY(compiler->error)) \
     46 			return; \
     47 	} while (0)
     48 
     49 #define FAIL_IF(expr) \
     50 	do { \
     51 		if (SLJIT_UNLIKELY(expr)) \
     52 			return compiler->error; \
     53 	} while (0)
     54 
     55 #define PTR_FAIL_IF(expr) \
     56 	do { \
     57 		if (SLJIT_UNLIKELY(expr)) \
     58 			return NULL; \
     59 	} while (0)
     60 
     61 #define FAIL_IF_NULL(ptr) \
     62 	do { \
     63 		if (SLJIT_UNLIKELY(!(ptr))) { \
     64 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
     65 			return SLJIT_ERR_ALLOC_FAILED; \
     66 		} \
     67 	} while (0)
     68 
     69 #define PTR_FAIL_IF_NULL(ptr) \
     70 	do { \
     71 		if (SLJIT_UNLIKELY(!(ptr))) { \
     72 			compiler->error = SLJIT_ERR_ALLOC_FAILED; \
     73 			return NULL; \
     74 		} \
     75 	} while (0)
     76 
     77 #define PTR_FAIL_WITH_EXEC_IF(ptr) \
     78 	do { \
     79 		if (SLJIT_UNLIKELY(!(ptr))) { \
     80 			compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
     81 			return NULL; \
     82 		} \
     83 	} while (0)
     84 
     85 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
     86 
     87 #define GET_OPCODE(op) \
     88 	((op) & ~(SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
     89 
     90 #define GET_FLAGS(op) \
     91 	((op) & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))
     92 
     93 #define GET_ALL_FLAGS(op) \
     94 	((op) & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))
     95 
     96 #define TYPE_CAST_NEEDED(op) \
     97 	(((op) >= SLJIT_MOV_UB && (op) <= SLJIT_MOV_SH) || ((op) >= SLJIT_MOVU_UB && (op) <= SLJIT_MOVU_SH))
     98 
     99 #define BUF_SIZE	4096
    100 
    101 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
    102 #define ABUF_SIZE	2048
    103 #else
    104 #define ABUF_SIZE	4096
    105 #endif
    106 
    107 /* Parameter parsing. */
    108 #define REG_MASK		0x3f
    109 #define OFFS_REG(reg)		(((reg) >> 8) & REG_MASK)
    110 #define OFFS_REG_MASK		(REG_MASK << 8)
    111 #define TO_OFFS_REG(reg)	((reg) << 8)
    112 /* When reg cannot be unused. */
    113 #define FAST_IS_REG(reg)	((reg) <= REG_MASK)
    114 /* When reg can be unused. */
    115 #define SLOW_IS_REG(reg)	((reg) > 0 && (reg) <= REG_MASK)
    116 
    117 /* Jump flags. */
    118 #define JUMP_LABEL	0x1
    119 #define JUMP_ADDR	0x2
    120 /* SLJIT_REWRITABLE_JUMP is 0x1000. */
    121 
    122 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
    123 #	define PATCH_MB	0x4
    124 #	define PATCH_MW	0x8
    125 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
    126 #	define PATCH_MD	0x10
    127 #endif
    128 #endif
    129 
    130 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
    131 #	define IS_BL		0x4
    132 #	define PATCH_B		0x8
    133 #endif
    134 
    135 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
    136 #	define CPOOL_SIZE	512
    137 #endif
    138 
    139 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
    140 #	define IS_COND		0x04
    141 #	define IS_BL		0x08
    142 	/* conditional + imm8 */
    143 #	define PATCH_TYPE1	0x10
    144 	/* conditional + imm20 */
    145 #	define PATCH_TYPE2	0x20
    146 	/* IT + imm24 */
    147 #	define PATCH_TYPE3	0x30
    148 	/* imm11 */
    149 #	define PATCH_TYPE4	0x40
    150 	/* imm24 */
    151 #	define PATCH_TYPE5	0x50
    152 	/* BL + imm24 */
    153 #	define PATCH_BL		0x60
    154 	/* 0xf00 cc code for branches */
    155 #endif
    156 
    157 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
    158 #	define IS_COND		0x004
    159 #	define IS_CBZ		0x008
    160 #	define IS_BL		0x010
    161 #	define PATCH_B		0x020
    162 #	define PATCH_COND	0x040
    163 #	define PATCH_ABS48	0x080
    164 #	define PATCH_ABS64	0x100
    165 #endif
    166 
    167 #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
    168 #	define IS_COND		0x004
    169 #	define IS_CALL		0x008
    170 #	define PATCH_B		0x010
    171 #	define PATCH_ABS_B	0x020
    172 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
    173 #	define PATCH_ABS32	0x040
    174 #	define PATCH_ABS48	0x080
    175 #endif
    176 #	define REMOVE_COND	0x100
    177 #endif
    178 
    179 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) || (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
    180 #	define IS_MOVABLE	0x004
    181 #	define IS_JAL		0x008
    182 #	define IS_CALL		0x010
    183 #	define IS_BIT26_COND	0x020
    184 #	define IS_BIT16_COND	0x040
    185 
    186 #	define IS_COND		(IS_BIT26_COND | IS_BIT16_COND)
    187 
    188 #	define PATCH_B		0x080
    189 #	define PATCH_J		0x100
    190 
    191 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
    192 #	define PATCH_ABS32	0x200
    193 #	define PATCH_ABS48	0x400
    194 #endif
    195 
    196 	/* instruction types */
    197 #	define MOVABLE_INS	0
    198 	/* 1 - 31 last destination register */
    199 	/* no destination (i.e: store) */
    200 #	define UNMOVABLE_INS	32
    201 	/* FPU status register */
    202 #	define FCSR_FCC		33
    203 #endif
    204 
    205 #if (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
    206 #	define IS_JAL		0x04
    207 #	define IS_COND		0x08
    208 
    209 #	define PATCH_B		0x10
    210 #	define PATCH_J		0x20
    211 #endif
    212 
    213 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
    214 #	define IS_MOVABLE	0x04
    215 #	define IS_COND		0x08
    216 #	define IS_CALL		0x10
    217 
    218 #	define PATCH_B		0x20
    219 #	define PATCH_CALL	0x40
    220 
    221 	/* instruction types */
    222 #	define MOVABLE_INS	0
    223 	/* 1 - 31 last destination register */
    224 	/* no destination (i.e: store) */
    225 #	define UNMOVABLE_INS	32
    226 
    227 #	define DST_INS_MASK	0xff
    228 
    229 	/* ICC_SET is the same as SET_FLAGS. */
    230 #	define ICC_IS_SET	(1 << 23)
    231 #	define FCC_IS_SET	(1 << 24)
    232 #endif
    233 
    234 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
    235 #define SLJIT_HAS_VARIABLE_LOCALS_OFFSET 1
    236 #if !(defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
    237 #define FIXED_LOCALS_OFFSET (3 * sizeof(sljit_sw))
    238 #endif
    239 #endif
    240 
    241 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
    242 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    243 #ifdef _WIN64
    244 #define FIXED_LOCALS_OFFSET ((4 + 2) * sizeof(sljit_sw))
    245 #else
    246 #define FIXED_LOCALS_OFFSET (sizeof(sljit_sw))
    247 #endif
    248 #endif
    249 
    250 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
    251 #define SLJIT_HAS_VARIABLE_LOCALS_OFFSET 1
    252 #endif
    253 
    254 #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
    255 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    256 #ifdef _AIX
    257 #define FIXED_LOCALS_OFFSET ((6 + 8) * sizeof(sljit_sw))
    258 #else
    259 #define FIXED_LOCALS_OFFSET (2 * sizeof(sljit_sw))
    260 #endif
    261 #endif
    262 
    263 #if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
    264 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    265 #define FIXED_LOCALS_OFFSET ((6 + 8) * sizeof(sljit_sw))
    266 #endif
    267 
    268 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
    269 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    270 #define FIXED_LOCALS_OFFSET (4 * sizeof(sljit_sw))
    271 #endif
    272 
    273 #if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
    274 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    275 #define FIXED_LOCALS_OFFSET 0
    276 #endif
    277 
    278 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
    279 #define SLJIT_HAS_FIXED_LOCALS_OFFSET 1
    280 #define FIXED_LOCALS_OFFSET (23 * sizeof(sljit_sw))
    281 #endif
    282 
    283 #if (defined SLJIT_HAS_VARIABLE_LOCALS_OFFSET && SLJIT_HAS_VARIABLE_LOCALS_OFFSET)
    284 
    285 #define ADJUST_LOCAL_OFFSET(p, i) \
    286 	if ((p) == (SLJIT_MEM1(SLJIT_LOCALS_REG))) \
    287 		(i) += compiler->locals_offset;
    288 
    289 #elif (defined SLJIT_HAS_FIXED_LOCALS_OFFSET && SLJIT_HAS_FIXED_LOCALS_OFFSET)
    290 
    291 #define ADJUST_LOCAL_OFFSET(p, i) \
    292 	if ((p) == (SLJIT_MEM1(SLJIT_LOCALS_REG))) \
    293 		(i) += FIXED_LOCALS_OFFSET;
    294 
    295 #else
    296 
    297 #define ADJUST_LOCAL_OFFSET(p, i)
    298 
    299 #endif
    300 
    301 #endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */
    302 
    303 /* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
    304 #include "sljitUtils.c"
    305 
    306 #if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
    307 
    308 #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
    309 #include "sljitExecAllocator.c"
    310 #endif
    311 
    312 #if (defined SLJIT_SSE2_AUTO && SLJIT_SSE2_AUTO) && !(defined SLJIT_SSE2 && SLJIT_SSE2)
    313 #error SLJIT_SSE2_AUTO cannot be enabled without SLJIT_SSE2
    314 #endif
    315 
    316 /* --------------------------------------------------------------------- */
    317 /*  Public functions                                                     */
    318 /* --------------------------------------------------------------------- */
    319 
    320 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || ((defined SLJIT_SSE2 && SLJIT_SSE2) && ((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)))
    321 #define SLJIT_NEEDS_COMPILER_INIT 1
    322 static sljit_si compiler_initialized = 0;
    323 /* A thread safe initialization. */
    324 static void init_compiler(void);
    325 #endif
    326 
    327 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
    328 {
    329 	struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC(sizeof(struct sljit_compiler));
    330 	if (!compiler)
    331 		return NULL;
    332 	SLJIT_ZEROMEM(compiler, sizeof(struct sljit_compiler));
    333 
    334 	SLJIT_COMPILE_ASSERT(
    335 		sizeof(sljit_sb) == 1 && sizeof(sljit_ub) == 1
    336 		&& sizeof(sljit_sh) == 2 && sizeof(sljit_uh) == 2
    337 		&& sizeof(sljit_si) == 4 && sizeof(sljit_ui) == 4
    338 		&& (sizeof(sljit_p) == 4 || sizeof(sljit_p) == 8)
    339 		&& sizeof(sljit_p) <= sizeof(sljit_sw)
    340 		&& (sizeof(sljit_sw) == 4 || sizeof(sljit_sw) == 8)
    341 		&& (sizeof(sljit_uw) == 4 || sizeof(sljit_uw) == 8),
    342 		invalid_integer_types);
    343 	SLJIT_COMPILE_ASSERT(SLJIT_INT_OP == SLJIT_SINGLE_OP,
    344 		int_op_and_single_op_must_be_the_same);
    345 	SLJIT_COMPILE_ASSERT(SLJIT_REWRITABLE_JUMP != SLJIT_SINGLE_OP,
    346 		rewritable_jump_and_single_op_must_not_be_the_same);
    347 
    348 	/* Only the non-zero members must be set. */
    349 	compiler->error = SLJIT_SUCCESS;
    350 
    351 	compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
    352 	compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
    353 
    354 	if (!compiler->buf || !compiler->abuf) {
    355 		if (compiler->buf)
    356 			SLJIT_FREE(compiler->buf);
    357 		if (compiler->abuf)
    358 			SLJIT_FREE(compiler->abuf);
    359 		SLJIT_FREE(compiler);
    360 		return NULL;
    361 	}
    362 
    363 	compiler->buf->next = NULL;
    364 	compiler->buf->used_size = 0;
    365 	compiler->abuf->next = NULL;
    366 	compiler->abuf->used_size = 0;
    367 
    368 	compiler->scratches = -1;
    369 	compiler->saveds = -1;
    370 
    371 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
    372 	compiler->args = -1;
    373 #endif
    374 
    375 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
    376 	compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw) + CPOOL_SIZE * sizeof(sljit_ub));
    377 	if (!compiler->cpool) {
    378 		SLJIT_FREE(compiler->buf);
    379 		SLJIT_FREE(compiler->abuf);
    380 		SLJIT_FREE(compiler);
    381 		return NULL;
    382 	}
    383 	compiler->cpool_unique = (sljit_ub*)(compiler->cpool + CPOOL_SIZE);
    384 	compiler->cpool_diff = 0xffffffff;
    385 #endif
    386 
    387 #if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) || (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
    388 	compiler->delay_slot = UNMOVABLE_INS;
    389 #endif
    390 
    391 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
    392 	compiler->delay_slot = UNMOVABLE_INS;
    393 #endif
    394 
    395 #if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
    396 	if (!compiler_initialized) {
    397 		init_compiler();
    398 		compiler_initialized = 1;
    399 	}
    400 #endif
    401 
    402 	return compiler;
    403 }
    404 
    405 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
    406 {
    407 	struct sljit_memory_fragment *buf;
    408 	struct sljit_memory_fragment *curr;
    409 
    410 	buf = compiler->buf;
    411 	while (buf) {
    412 		curr = buf;
    413 		buf = buf->next;
    414 		SLJIT_FREE(curr);
    415 	}
    416 
    417 	buf = compiler->abuf;
    418 	while (buf) {
    419 		curr = buf;
    420 		buf = buf->next;
    421 		SLJIT_FREE(curr);
    422 	}
    423 
    424 #if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
    425 	SLJIT_FREE(compiler->cpool);
    426 #endif
    427 	SLJIT_FREE(compiler);
    428 }
    429 
    430 #if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
    431 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
    432 {
    433 	/* Remove thumb mode flag. */
    434 	SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
    435 }
    436 #elif (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL)
    437 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
    438 {
    439 	/* Resolve indirection. */
    440 	code = (void*)(*(sljit_uw*)code);
    441 	SLJIT_FREE_EXEC(code);
    442 }
    443 #else
    444 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
    445 {
    446 	SLJIT_FREE_EXEC(code);
    447 }
    448 #endif
    449 
    450 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
    451 {
    452 	if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
    453 		jump->flags &= ~JUMP_ADDR;
    454 		jump->flags |= JUMP_LABEL;
    455 		jump->u.label = label;
    456 	}
    457 }
    458 
    459 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
    460 {
    461 	if (SLJIT_LIKELY(!!jump)) {
    462 		jump->flags &= ~JUMP_LABEL;
    463 		jump->flags |= JUMP_ADDR;
    464 		jump->u.target = target;
    465 	}
    466 }
    467 
    468 /* --------------------------------------------------------------------- */
    469 /*  Private functions                                                    */
    470 /* --------------------------------------------------------------------- */
    471 
    472 static void* ensure_buf(struct sljit_compiler *compiler, sljit_uw size)
    473 {
    474 	sljit_ub *ret;
    475 	struct sljit_memory_fragment *new_frag;
    476 
    477 	SLJIT_ASSERT(size <= 256);
    478 	if (compiler->buf->used_size + size <= (BUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
    479 		ret = compiler->buf->memory + compiler->buf->used_size;
    480 		compiler->buf->used_size += size;
    481 		return ret;
    482 	}
    483 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
    484 	PTR_FAIL_IF_NULL(new_frag);
    485 	new_frag->next = compiler->buf;
    486 	compiler->buf = new_frag;
    487 	new_frag->used_size = size;
    488 	return new_frag->memory;
    489 }
    490 
    491 static void* ensure_abuf(struct sljit_compiler *compiler, sljit_uw size)
    492 {
    493 	sljit_ub *ret;
    494 	struct sljit_memory_fragment *new_frag;
    495 
    496 	SLJIT_ASSERT(size <= 256);
    497 	if (compiler->abuf->used_size + size <= (ABUF_SIZE - (sljit_uw)SLJIT_OFFSETOF(struct sljit_memory_fragment, memory))) {
    498 		ret = compiler->abuf->memory + compiler->abuf->used_size;
    499 		compiler->abuf->used_size += size;
    500 		return ret;
    501 	}
    502 	new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
    503 	PTR_FAIL_IF_NULL(new_frag);
    504 	new_frag->next = compiler->abuf;
    505 	compiler->abuf = new_frag;
    506 	new_frag->used_size = size;
    507 	return new_frag->memory;
    508 }
    509 
    510 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_si size)
    511 {
    512 	CHECK_ERROR_PTR();
    513 
    514 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
    515 	if (size <= 0 || size > 128)
    516 		return NULL;
    517 	size = (size + 7) & ~7;
    518 #else
    519 	if (size <= 0 || size > 64)
    520 		return NULL;
    521 	size = (size + 3) & ~3;
    522 #endif
    523 	return ensure_abuf(compiler, size);
    524 }
    525 
    526 static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
    527 {
    528 	struct sljit_memory_fragment *buf = compiler->buf;
    529 	struct sljit_memory_fragment *prev = NULL;
    530 	struct sljit_memory_fragment *tmp;
    531 
    532 	do {
    533 		tmp = buf->next;
    534 		buf->next = prev;
    535 		prev = buf;
    536 		buf = tmp;
    537 	} while (buf != NULL);
    538 
    539 	compiler->buf = prev;
    540 }
    541 
    542 static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
    543 {
    544 	label->next = NULL;
    545 	label->size = compiler->size;
    546 	if (compiler->last_label)
    547 		compiler->last_label->next = label;
    548 	else
    549 		compiler->labels = label;
    550 	compiler->last_label = label;
    551 }
    552 
    553 static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, sljit_si flags)
    554 {
    555 	jump->next = NULL;
    556 	jump->flags = flags;
    557 	if (compiler->last_jump)
    558 		compiler->last_jump->next = jump;
    559 	else
    560 		compiler->jumps = jump;
    561 	compiler->last_jump = jump;
    562 }
    563 
    564 static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
    565 {
    566 	const_->next = NULL;
    567 	const_->addr = compiler->size;
    568 	if (compiler->last_const)
    569 		compiler->last_const->next = const_;
    570 	else
    571 		compiler->consts = const_;
    572 	compiler->last_const = const_;
    573 }
    574 
    575 #define ADDRESSING_DEPENDS_ON(exp, reg) \
    576 	(((exp) & SLJIT_MEM) && (((exp) & REG_MASK) == reg || OFFS_REG(exp) == reg))
    577 
    578 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    579 #define FUNCTION_CHECK_OP() \
    580 	SLJIT_ASSERT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
    581 	switch (GET_OPCODE(op)) { \
    582 	case SLJIT_NOT: \
    583 	case SLJIT_CLZ: \
    584 	case SLJIT_AND: \
    585 	case SLJIT_OR: \
    586 	case SLJIT_XOR: \
    587 	case SLJIT_SHL: \
    588 	case SLJIT_LSHR: \
    589 	case SLJIT_ASHR: \
    590 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C))); \
    591 		break; \
    592 	case SLJIT_NEG: \
    593 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
    594 		break; \
    595 	case SLJIT_MUL: \
    596 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))); \
    597 		break; \
    598 	case SLJIT_CMPD: \
    599 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
    600 		SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
    601 		break; \
    602 	case SLJIT_ADD: \
    603 		SLJIT_ASSERT(!(op & (SLJIT_SET_U | SLJIT_SET_S))); \
    604 		break; \
    605 	case SLJIT_SUB: \
    606 		break; \
    607 	case SLJIT_ADDC: \
    608 	case SLJIT_SUBC: \
    609 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O))); \
    610 		break; \
    611 	case SLJIT_BREAKPOINT: \
    612 	case SLJIT_NOP: \
    613 	case SLJIT_UMUL: \
    614 	case SLJIT_SMUL: \
    615 	case SLJIT_MOV: \
    616 	case SLJIT_MOV_UI: \
    617 	case SLJIT_MOV_P: \
    618 	case SLJIT_MOVU: \
    619 	case SLJIT_MOVU_UI: \
    620 	case SLJIT_MOVU_P: \
    621 		/* Nothing allowed */ \
    622 		SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
    623 		break; \
    624 	default: \
    625 		/* Only SLJIT_INT_OP or SLJIT_SINGLE_OP is allowed. */ \
    626 		SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
    627 		break; \
    628 	}
    629 
    630 #define FUNCTION_CHECK_IS_REG(r) \
    631 	((r) == SLJIT_UNUSED || \
    632 	((r) >= SLJIT_SCRATCH_REG1 && (r) <= SLJIT_SCRATCH_REG1 - 1 + compiler->scratches) || \
    633 	((r) >= SLJIT_SAVED_REG1 && (r) <= SLJIT_SAVED_REG1 - 1 + compiler->saveds))
    634 
    635 #define FUNCTION_CHECK_SRC(p, i) \
    636 	SLJIT_ASSERT(compiler->scratches != -1 && compiler->saveds != -1); \
    637 	if (FUNCTION_CHECK_IS_REG(p)) \
    638 		SLJIT_ASSERT((i) == 0 && (p) != SLJIT_UNUSED); \
    639 	else if ((p) == SLJIT_IMM) \
    640 		; \
    641 	else if ((p) == (SLJIT_MEM1(SLJIT_LOCALS_REG))) \
    642 		SLJIT_ASSERT((i) >= 0 && (i) < compiler->logical_local_size); \
    643 	else if ((p) & SLJIT_MEM) { \
    644 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
    645 		if ((p) & OFFS_REG_MASK) { \
    646 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
    647 			SLJIT_ASSERT(!((i) & ~0x3)); \
    648 		} \
    649 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
    650 	} \
    651 	else \
    652 		SLJIT_ASSERT_STOP();
    653 
    654 #define FUNCTION_CHECK_DST(p, i) \
    655 	SLJIT_ASSERT(compiler->scratches != -1 && compiler->saveds != -1); \
    656 	if (FUNCTION_CHECK_IS_REG(p)) \
    657 		SLJIT_ASSERT((i) == 0); \
    658 	else if ((p) == (SLJIT_MEM1(SLJIT_LOCALS_REG))) \
    659 		SLJIT_ASSERT((i) >= 0 && (i) < compiler->logical_local_size); \
    660 	else if ((p) & SLJIT_MEM) { \
    661 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
    662 		if ((p) & OFFS_REG_MASK) { \
    663 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
    664 			SLJIT_ASSERT(!((i) & ~0x3)); \
    665 		} \
    666 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
    667 	} \
    668 	else \
    669 		SLJIT_ASSERT_STOP();
    670 
    671 #define FUNCTION_FCHECK(p, i) \
    672 	if ((p) >= SLJIT_FLOAT_REG1 && (p) <= SLJIT_FLOAT_REG6) \
    673 		SLJIT_ASSERT(i == 0); \
    674 	else if ((p) & SLJIT_MEM) { \
    675 		SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & REG_MASK)); \
    676 		if ((p) & OFFS_REG_MASK) { \
    677 			SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(OFFS_REG(p))); \
    678 			SLJIT_ASSERT(((p) & OFFS_REG_MASK) != TO_OFFS_REG(SLJIT_LOCALS_REG) && !(i & ~0x3)); \
    679 		} else \
    680 			SLJIT_ASSERT(OFFS_REG(p) == 0); \
    681 		SLJIT_ASSERT(!((p) & ~(SLJIT_MEM | SLJIT_IMM | REG_MASK | OFFS_REG_MASK))); \
    682 	} \
    683 	else \
    684 		SLJIT_ASSERT_STOP();
    685 
    686 #define FUNCTION_CHECK_OP1() \
    687 	if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_P) { \
    688 		SLJIT_ASSERT(!(src & SLJIT_MEM) || (src & REG_MASK) != SLJIT_LOCALS_REG); \
    689 		SLJIT_ASSERT(!(dst & SLJIT_MEM) || (dst & REG_MASK) != SLJIT_LOCALS_REG); \
    690 		if ((src & SLJIT_MEM) && (src & REG_MASK)) \
    691 			SLJIT_ASSERT((dst & REG_MASK) != (src & REG_MASK) && OFFS_REG(dst) != (src & REG_MASK)); \
    692 	}
    693 
    694 #endif
    695 
    696 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    697 
    698 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
    699 {
    700 	compiler->verbose = verbose;
    701 }
    702 
    703 static char* reg_names[] = {
    704 	(char*)"unused", (char*)"s1", (char*)"s2", (char*)"s3",
    705 	(char*)"se1", (char*)"se2", (char*)"p1", (char*)"p2",
    706 	(char*)"p3", (char*)"pe1", (char*)"pe2", (char*)"lc"
    707 };
    708 
    709 static char* freg_names[] = {
    710 	(char*)"unused", (char*)"f1", (char*)"f2", (char*)"f3",
    711 	(char*)"f4", (char*)"f5", (char*)"f6"
    712 };
    713 
    714 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
    715 #ifdef _WIN64
    716 #	define SLJIT_PRINT_D	"I64"
    717 #else
    718 #	define SLJIT_PRINT_D	"l"
    719 #endif
    720 #else
    721 #	define SLJIT_PRINT_D	""
    722 #endif
    723 
    724 #define sljit_verbose_param(p, i) \
    725 	if ((p) & SLJIT_IMM) \
    726 		fprintf(compiler->verbose, "#%" SLJIT_PRINT_D "d", (i)); \
    727 	else if ((p) & SLJIT_MEM) { \
    728 		if ((p) & REG_MASK) { \
    729 			if (i) { \
    730 				if ((p) & OFFS_REG_MASK) \
    731 					fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & REG_MASK], reg_names[OFFS_REG(p)], 1 << (i)); \
    732 				else \
    733 					fprintf(compiler->verbose, "[%s + #%" SLJIT_PRINT_D "d]", reg_names[(p) & REG_MASK], (i)); \
    734 			} \
    735 			else { \
    736 				if ((p) & OFFS_REG_MASK) \
    737 					fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & REG_MASK], reg_names[OFFS_REG(p)]); \
    738 				else \
    739 					fprintf(compiler->verbose, "[%s]", reg_names[(p) & REG_MASK]); \
    740 			} \
    741 		} \
    742 		else \
    743 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
    744 	} else \
    745 		fprintf(compiler->verbose, "%s", reg_names[p]);
    746 #define sljit_verbose_fparam(p, i) \
    747 	if ((p) & SLJIT_MEM) { \
    748 		if ((p) & REG_MASK) { \
    749 			if (i) { \
    750 				if ((p) & OFFS_REG_MASK) \
    751 					fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & REG_MASK], reg_names[OFFS_REG(p)], 1 << (i)); \
    752 				else \
    753 					fprintf(compiler->verbose, "[%s + #%" SLJIT_PRINT_D "d]", reg_names[(p) & REG_MASK], (i)); \
    754 			} \
    755 			else { \
    756 				if ((p) & OFFS_REG_MASK) \
    757 					fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & REG_MASK], reg_names[OFFS_REG(p)]); \
    758 				else \
    759 					fprintf(compiler->verbose, "[%s]", reg_names[(p) & REG_MASK]); \
    760 			} \
    761 		} \
    762 		else \
    763 			fprintf(compiler->verbose, "[#%" SLJIT_PRINT_D "d]", (i)); \
    764 	} else \
    765 		fprintf(compiler->verbose, "%s", freg_names[p]);
    766 
    767 static SLJIT_CONST char* op_names[] = {
    768 	/* op0 */
    769 	(char*)"breakpoint", (char*)"nop",
    770 	(char*)"umul", (char*)"smul", (char*)"udiv", (char*)"sdiv",
    771 	/* op1 */
    772 	(char*)"mov", (char*)"mov.ub", (char*)"mov.sb", (char*)"mov.uh",
    773 	(char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"mov.p",
    774 	(char*)"movu", (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh",
    775 	(char*)"movu.sh", (char*)"movu.ui", (char*)"movu.si", (char*)"movu.p",
    776 	(char*)"not", (char*)"neg", (char*)"clz",
    777 	/* op2 */
    778 	(char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
    779 	(char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
    780 	(char*)"shl", (char*)"lshr", (char*)"ashr",
    781 	/* fop1 */
    782 	(char*)"cmp", (char*)"mov", (char*)"neg", (char*)"abs",
    783 	/* fop2 */
    784 	(char*)"add", (char*)"sub", (char*)"mul", (char*)"div"
    785 };
    786 
    787 static char* jump_names[] = {
    788 	(char*)"equal", (char*)"not_equal",
    789 	(char*)"less", (char*)"greater_equal",
    790 	(char*)"greater", (char*)"less_equal",
    791 	(char*)"sig_less", (char*)"sig_greater_equal",
    792 	(char*)"sig_greater", (char*)"sig_less_equal",
    793 	(char*)"overflow", (char*)"not_overflow",
    794 	(char*)"mul_overflow", (char*)"mul_not_overflow",
    795 	(char*)"float_equal", (char*)"float_not_equal",
    796 	(char*)"float_less", (char*)"float_greater_equal",
    797 	(char*)"float_greater", (char*)"float_less_equal",
    798 	(char*)"float_unordered", (char*)"float_ordered",
    799 	(char*)"jump", (char*)"fast_call",
    800 	(char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
    801 };
    802 
    803 #endif
    804 
    805 /* --------------------------------------------------------------------- */
    806 /*  Arch dependent                                                       */
    807 /* --------------------------------------------------------------------- */
    808 
    809 static SLJIT_INLINE void check_sljit_generate_code(struct sljit_compiler *compiler)
    810 {
    811 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    812 	struct sljit_jump *jump;
    813 #endif
    814 	/* If debug and verbose are disabled, all arguments are unused. */
    815 	SLJIT_UNUSED_ARG(compiler);
    816 
    817 	SLJIT_ASSERT(compiler->size > 0);
    818 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    819 	jump = compiler->jumps;
    820 	while (jump) {
    821 		/* All jumps have target. */
    822 		SLJIT_ASSERT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
    823 		jump = jump->next;
    824 	}
    825 #endif
    826 }
    827 
    828 static SLJIT_INLINE void check_sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
    829 {
    830 	/* If debug and verbose are disabled, all arguments are unused. */
    831 	SLJIT_UNUSED_ARG(compiler);
    832 	SLJIT_UNUSED_ARG(args);
    833 	SLJIT_UNUSED_ARG(scratches);
    834 	SLJIT_UNUSED_ARG(saveds);
    835 	SLJIT_UNUSED_ARG(local_size);
    836 
    837 	SLJIT_ASSERT(args >= 0 && args <= 3);
    838 	SLJIT_ASSERT(scratches >= 0 && scratches <= SLJIT_NO_TMP_REGISTERS);
    839 	SLJIT_ASSERT(saveds >= 0 && saveds <= SLJIT_NO_GEN_REGISTERS);
    840 	SLJIT_ASSERT(args <= saveds);
    841 	SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
    842 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    843 	if (SLJIT_UNLIKELY(!!compiler->verbose))
    844 		fprintf(compiler->verbose, "  enter args=%d scratches=%d saveds=%d local_size=%d\n", args, scratches, saveds, local_size);
    845 #endif
    846 }
    847 
    848 static SLJIT_INLINE void check_sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
    849 {
    850 	/* If debug and verbose are disabled, all arguments are unused. */
    851 	SLJIT_UNUSED_ARG(compiler);
    852 	SLJIT_UNUSED_ARG(args);
    853 	SLJIT_UNUSED_ARG(scratches);
    854 	SLJIT_UNUSED_ARG(saveds);
    855 	SLJIT_UNUSED_ARG(local_size);
    856 
    857 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
    858 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
    859 		compiler->skip_checks = 0;
    860 		return;
    861 	}
    862 #endif
    863 
    864 	SLJIT_ASSERT(args >= 0 && args <= 3);
    865 	SLJIT_ASSERT(scratches >= 0 && scratches <= SLJIT_NO_TMP_REGISTERS);
    866 	SLJIT_ASSERT(saveds >= 0 && saveds <= SLJIT_NO_GEN_REGISTERS);
    867 	SLJIT_ASSERT(args <= saveds);
    868 	SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
    869 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    870 	if (SLJIT_UNLIKELY(!!compiler->verbose))
    871 		fprintf(compiler->verbose, "  set_context args=%d scratches=%d saveds=%d local_size=%d\n", args, scratches, saveds, local_size);
    872 #endif
    873 }
    874 
    875 static SLJIT_INLINE void check_sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
    876 {
    877 	/* If debug and verbose are disabled, all arguments are unused. */
    878 	SLJIT_UNUSED_ARG(compiler);
    879 	SLJIT_UNUSED_ARG(op);
    880 	SLJIT_UNUSED_ARG(src);
    881 	SLJIT_UNUSED_ARG(srcw);
    882 
    883 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    884 	if (op != SLJIT_UNUSED) {
    885 		SLJIT_ASSERT(op >= SLJIT_MOV && op <= SLJIT_MOV_P);
    886 		FUNCTION_CHECK_SRC(src, srcw);
    887 	}
    888 	else
    889 		SLJIT_ASSERT(src == 0 && srcw == 0);
    890 #endif
    891 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    892 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
    893 		if (op == SLJIT_UNUSED)
    894 			fprintf(compiler->verbose, "  return\n");
    895 		else {
    896 			fprintf(compiler->verbose, "  return %s ", op_names[op]);
    897 			sljit_verbose_param(src, srcw);
    898 			fprintf(compiler->verbose, "\n");
    899 		}
    900 	}
    901 #endif
    902 }
    903 
    904 static SLJIT_INLINE void check_sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
    905 {
    906 	/* If debug and verbose are disabled, all arguments are unused. */
    907 	SLJIT_UNUSED_ARG(compiler);
    908 	SLJIT_UNUSED_ARG(dst);
    909 	SLJIT_UNUSED_ARG(dstw);
    910 
    911 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    912 	FUNCTION_CHECK_DST(dst, dstw);
    913 #endif
    914 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    915 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
    916 		fprintf(compiler->verbose, "  fast_enter ");
    917 		sljit_verbose_param(dst, dstw);
    918 		fprintf(compiler->verbose, "\n");
    919 	}
    920 #endif
    921 }
    922 
    923 static SLJIT_INLINE void check_sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
    924 {
    925 	/* If debug and verbose are disabled, all arguments are unused. */
    926 	SLJIT_UNUSED_ARG(compiler);
    927 	SLJIT_UNUSED_ARG(src);
    928 	SLJIT_UNUSED_ARG(srcw);
    929 
    930 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    931 	FUNCTION_CHECK_SRC(src, srcw);
    932 #endif
    933 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    934 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
    935 		fprintf(compiler->verbose, "  fast_return ");
    936 		sljit_verbose_param(src, srcw);
    937 		fprintf(compiler->verbose, "\n");
    938 	}
    939 #endif
    940 }
    941 
    942 static SLJIT_INLINE void check_sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
    943 {
    944 	/* If debug and verbose are disabled, all arguments are unused. */
    945 	SLJIT_UNUSED_ARG(compiler);
    946 	SLJIT_UNUSED_ARG(op);
    947 
    948 	SLJIT_ASSERT((op >= SLJIT_BREAKPOINT && op <= SLJIT_SMUL)
    949 		|| ((op & ~SLJIT_INT_OP) >= SLJIT_UDIV && (op & ~SLJIT_INT_OP) <= SLJIT_SDIV));
    950 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    951 	if (SLJIT_UNLIKELY(!!compiler->verbose))
    952 		fprintf(compiler->verbose, "  %s%s\n", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)]);
    953 #endif
    954 }
    955 
    956 static SLJIT_INLINE void check_sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
    957 	sljit_si dst, sljit_sw dstw,
    958 	sljit_si src, sljit_sw srcw)
    959 {
    960 	/* If debug and verbose are disabled, all arguments are unused. */
    961 	SLJIT_UNUSED_ARG(compiler);
    962 	SLJIT_UNUSED_ARG(op);
    963 	SLJIT_UNUSED_ARG(dst);
    964 	SLJIT_UNUSED_ARG(dstw);
    965 	SLJIT_UNUSED_ARG(src);
    966 	SLJIT_UNUSED_ARG(srcw);
    967 
    968 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
    969 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
    970 		compiler->skip_checks = 0;
    971 		return;
    972 	}
    973 #endif
    974 
    975 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
    976 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
    977 	FUNCTION_CHECK_OP();
    978 	FUNCTION_CHECK_SRC(src, srcw);
    979 	FUNCTION_CHECK_DST(dst, dstw);
    980 	FUNCTION_CHECK_OP1();
    981 #endif
    982 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
    983 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
    984 		fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
    985 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
    986 			!(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
    987 		sljit_verbose_param(dst, dstw);
    988 		fprintf(compiler->verbose, ", ");
    989 		sljit_verbose_param(src, srcw);
    990 		fprintf(compiler->verbose, "\n");
    991 	}
    992 #endif
    993 }
    994 
    995 static SLJIT_INLINE void check_sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
    996 	sljit_si dst, sljit_sw dstw,
    997 	sljit_si src1, sljit_sw src1w,
    998 	sljit_si src2, sljit_sw src2w)
    999 {
   1000 	/* If debug and verbose are disabled, all arguments are unused. */
   1001 	SLJIT_UNUSED_ARG(compiler);
   1002 	SLJIT_UNUSED_ARG(op);
   1003 	SLJIT_UNUSED_ARG(dst);
   1004 	SLJIT_UNUSED_ARG(dstw);
   1005 	SLJIT_UNUSED_ARG(src1);
   1006 	SLJIT_UNUSED_ARG(src1w);
   1007 	SLJIT_UNUSED_ARG(src2);
   1008 	SLJIT_UNUSED_ARG(src2w);
   1009 
   1010 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1011 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
   1012 		compiler->skip_checks = 0;
   1013 		return;
   1014 	}
   1015 #endif
   1016 
   1017 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
   1018 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1019 	FUNCTION_CHECK_OP();
   1020 	FUNCTION_CHECK_SRC(src1, src1w);
   1021 	FUNCTION_CHECK_SRC(src2, src2w);
   1022 	FUNCTION_CHECK_DST(dst, dstw);
   1023 #endif
   1024 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1025 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1026 		fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
   1027 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_U) ? "" : ".u", !(op & SLJIT_SET_S) ? "" : ".s",
   1028 			!(op & SLJIT_SET_O) ? "" : ".o", !(op & SLJIT_SET_C) ? "" : ".c", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
   1029 		sljit_verbose_param(dst, dstw);
   1030 		fprintf(compiler->verbose, ", ");
   1031 		sljit_verbose_param(src1, src1w);
   1032 		fprintf(compiler->verbose, ", ");
   1033 		sljit_verbose_param(src2, src2w);
   1034 		fprintf(compiler->verbose, "\n");
   1035 	}
   1036 #endif
   1037 }
   1038 
   1039 static SLJIT_INLINE void check_sljit_get_register_index(sljit_si reg)
   1040 {
   1041 	SLJIT_UNUSED_ARG(reg);
   1042 	SLJIT_ASSERT(reg > 0 && reg <= SLJIT_NO_REGISTERS);
   1043 }
   1044 
   1045 static SLJIT_INLINE void check_sljit_get_float_register_index(sljit_si reg)
   1046 {
   1047 	SLJIT_UNUSED_ARG(reg);
   1048 	SLJIT_ASSERT(reg > 0 && reg <= SLJIT_NO_FLOAT_REGISTERS);
   1049 }
   1050 
   1051 static SLJIT_INLINE void check_sljit_emit_op_custom(struct sljit_compiler *compiler,
   1052 	void *instruction, sljit_si size)
   1053 {
   1054 	SLJIT_UNUSED_ARG(compiler);
   1055 	SLJIT_UNUSED_ARG(instruction);
   1056 	SLJIT_UNUSED_ARG(size);
   1057 	SLJIT_ASSERT(instruction);
   1058 }
   1059 
   1060 static SLJIT_INLINE void check_sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
   1061 	sljit_si dst, sljit_sw dstw,
   1062 	sljit_si src, sljit_sw srcw)
   1063 {
   1064 	/* If debug and verbose are disabled, all arguments are unused. */
   1065 	SLJIT_UNUSED_ARG(compiler);
   1066 	SLJIT_UNUSED_ARG(op);
   1067 	SLJIT_UNUSED_ARG(dst);
   1068 	SLJIT_UNUSED_ARG(dstw);
   1069 	SLJIT_UNUSED_ARG(src);
   1070 	SLJIT_UNUSED_ARG(srcw);
   1071 
   1072 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1073 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
   1074 		compiler->skip_checks = 0;
   1075 		return;
   1076 	}
   1077 #endif
   1078 
   1079 	SLJIT_ASSERT(sljit_is_fpu_available());
   1080 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_CMPD && GET_OPCODE(op) <= SLJIT_ABSD);
   1081 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1082 	FUNCTION_CHECK_OP();
   1083 	FUNCTION_FCHECK(src, srcw);
   1084 	FUNCTION_FCHECK(dst, dstw);
   1085 #endif
   1086 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1087 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1088 		fprintf(compiler->verbose, "  %s%s%s%s ", op_names[GET_OPCODE(op)], (op & SLJIT_SINGLE_OP) ? "s" : "d",
   1089 			!(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_SET_S) ? "" : ".s");
   1090 		sljit_verbose_fparam(dst, dstw);
   1091 		fprintf(compiler->verbose, ", ");
   1092 		sljit_verbose_fparam(src, srcw);
   1093 		fprintf(compiler->verbose, "\n");
   1094 	}
   1095 #endif
   1096 }
   1097 
   1098 static SLJIT_INLINE void check_sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
   1099 	sljit_si dst, sljit_sw dstw,
   1100 	sljit_si src1, sljit_sw src1w,
   1101 	sljit_si src2, sljit_sw src2w)
   1102 {
   1103 	/* If debug and verbose are disabled, all arguments are unused. */
   1104 	SLJIT_UNUSED_ARG(compiler);
   1105 	SLJIT_UNUSED_ARG(op);
   1106 	SLJIT_UNUSED_ARG(dst);
   1107 	SLJIT_UNUSED_ARG(dstw);
   1108 	SLJIT_UNUSED_ARG(src1);
   1109 	SLJIT_UNUSED_ARG(src1w);
   1110 	SLJIT_UNUSED_ARG(src2);
   1111 	SLJIT_UNUSED_ARG(src2w);
   1112 
   1113 	SLJIT_ASSERT(sljit_is_fpu_available());
   1114 	SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADDD && GET_OPCODE(op) <= SLJIT_DIVD);
   1115 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1116 	FUNCTION_CHECK_OP();
   1117 	FUNCTION_FCHECK(src1, src1w);
   1118 	FUNCTION_FCHECK(src2, src2w);
   1119 	FUNCTION_FCHECK(dst, dstw);
   1120 #endif
   1121 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1122 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1123 		fprintf(compiler->verbose, "  %s%s ", op_names[GET_OPCODE(op)], (op & SLJIT_SINGLE_OP) ? "s" : "d");
   1124 		sljit_verbose_fparam(dst, dstw);
   1125 		fprintf(compiler->verbose, ", ");
   1126 		sljit_verbose_fparam(src1, src1w);
   1127 		fprintf(compiler->verbose, ", ");
   1128 		sljit_verbose_fparam(src2, src2w);
   1129 		fprintf(compiler->verbose, "\n");
   1130 	}
   1131 #endif
   1132 }
   1133 
   1134 static SLJIT_INLINE void check_sljit_emit_label(struct sljit_compiler *compiler)
   1135 {
   1136 	/* If debug and verbose are disabled, all arguments are unused. */
   1137 	SLJIT_UNUSED_ARG(compiler);
   1138 
   1139 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1140 	if (SLJIT_UNLIKELY(!!compiler->verbose))
   1141 		fprintf(compiler->verbose, "label:\n");
   1142 #endif
   1143 }
   1144 
   1145 static SLJIT_INLINE void check_sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
   1146 {
   1147 	/* If debug and verbose are disabled, all arguments are unused. */
   1148 	SLJIT_UNUSED_ARG(compiler);
   1149 	SLJIT_UNUSED_ARG(type);
   1150 
   1151 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1152 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
   1153 		compiler->skip_checks = 0;
   1154 		return;
   1155 	}
   1156 #endif
   1157 
   1158 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
   1159 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_CALL3);
   1160 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1161 	if (SLJIT_UNLIKELY(!!compiler->verbose))
   1162 		fprintf(compiler->verbose, "  jump%s.%s\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
   1163 #endif
   1164 }
   1165 
   1166 static SLJIT_INLINE void check_sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
   1167 	sljit_si src1, sljit_sw src1w,
   1168 	sljit_si src2, sljit_sw src2w)
   1169 {
   1170 	SLJIT_UNUSED_ARG(compiler);
   1171 	SLJIT_UNUSED_ARG(type);
   1172 	SLJIT_UNUSED_ARG(src1);
   1173 	SLJIT_UNUSED_ARG(src1w);
   1174 	SLJIT_UNUSED_ARG(src2);
   1175 	SLJIT_UNUSED_ARG(src2w);
   1176 
   1177 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_INT_OP)));
   1178 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_C_SIG_LESS_EQUAL);
   1179 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1180 	FUNCTION_CHECK_SRC(src1, src1w);
   1181 	FUNCTION_CHECK_SRC(src2, src2w);
   1182 #endif
   1183 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1184 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1185 		fprintf(compiler->verbose, "  %scmp%s.%s ", !(type & SLJIT_INT_OP) ? "" : "i", !(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
   1186 		sljit_verbose_param(src1, src1w);
   1187 		fprintf(compiler->verbose, ", ");
   1188 		sljit_verbose_param(src2, src2w);
   1189 		fprintf(compiler->verbose, "\n");
   1190 	}
   1191 #endif
   1192 }
   1193 
   1194 static SLJIT_INLINE void check_sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
   1195 	sljit_si src1, sljit_sw src1w,
   1196 	sljit_si src2, sljit_sw src2w)
   1197 {
   1198 	SLJIT_UNUSED_ARG(compiler);
   1199 	SLJIT_UNUSED_ARG(type);
   1200 	SLJIT_UNUSED_ARG(src1);
   1201 	SLJIT_UNUSED_ARG(src1w);
   1202 	SLJIT_UNUSED_ARG(src2);
   1203 	SLJIT_UNUSED_ARG(src2w);
   1204 
   1205 	SLJIT_ASSERT(sljit_is_fpu_available());
   1206 	SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP | SLJIT_SINGLE_OP)));
   1207 	SLJIT_ASSERT((type & 0xff) >= SLJIT_C_FLOAT_EQUAL && (type & 0xff) <= SLJIT_C_FLOAT_ORDERED);
   1208 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1209 	FUNCTION_FCHECK(src1, src1w);
   1210 	FUNCTION_FCHECK(src2, src2w);
   1211 #endif
   1212 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1213 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1214 		fprintf(compiler->verbose, "  %scmp%s.%s ", (type & SLJIT_SINGLE_OP) ? "s" : "d",
   1215 			!(type & SLJIT_REWRITABLE_JUMP) ? "" : ".r", jump_names[type & 0xff]);
   1216 		sljit_verbose_fparam(src1, src1w);
   1217 		fprintf(compiler->verbose, ", ");
   1218 		sljit_verbose_fparam(src2, src2w);
   1219 		fprintf(compiler->verbose, "\n");
   1220 	}
   1221 #endif
   1222 }
   1223 
   1224 static SLJIT_INLINE void check_sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
   1225 {
   1226 	/* If debug and verbose are disabled, all arguments are unused. */
   1227 	SLJIT_UNUSED_ARG(compiler);
   1228 	SLJIT_UNUSED_ARG(type);
   1229 	SLJIT_UNUSED_ARG(src);
   1230 	SLJIT_UNUSED_ARG(srcw);
   1231 
   1232 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1233 	if (SLJIT_UNLIKELY(compiler->skip_checks)) {
   1234 		compiler->skip_checks = 0;
   1235 		return;
   1236 	}
   1237 #endif
   1238 
   1239 	SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
   1240 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1241 	FUNCTION_CHECK_SRC(src, srcw);
   1242 #endif
   1243 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1244 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1245 		fprintf(compiler->verbose, "  ijump.%s ", jump_names[type]);
   1246 		sljit_verbose_param(src, srcw);
   1247 		fprintf(compiler->verbose, "\n");
   1248 	}
   1249 #endif
   1250 }
   1251 
   1252 static SLJIT_INLINE void check_sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
   1253 	sljit_si dst, sljit_sw dstw,
   1254 	sljit_si src, sljit_sw srcw,
   1255 	sljit_si type)
   1256 {
   1257 	/* If debug and verbose are disabled, all arguments are unused. */
   1258 	SLJIT_UNUSED_ARG(compiler);
   1259 	SLJIT_UNUSED_ARG(op);
   1260 	SLJIT_UNUSED_ARG(dst);
   1261 	SLJIT_UNUSED_ARG(dstw);
   1262 	SLJIT_UNUSED_ARG(src);
   1263 	SLJIT_UNUSED_ARG(srcw);
   1264 	SLJIT_UNUSED_ARG(type);
   1265 
   1266 	SLJIT_ASSERT(type >= SLJIT_C_EQUAL && type < SLJIT_JUMP);
   1267 	SLJIT_ASSERT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_MOV_UI || GET_OPCODE(op) == SLJIT_MOV_SI
   1268 		|| (GET_OPCODE(op) >= SLJIT_AND && GET_OPCODE(op) <= SLJIT_XOR));
   1269 	SLJIT_ASSERT((op & (SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_O | SLJIT_SET_C)) == 0);
   1270 	SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_KEEP_FLAGS)) != (SLJIT_SET_E | SLJIT_KEEP_FLAGS));
   1271 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1272 	if (GET_OPCODE(op) < SLJIT_ADD) {
   1273 		SLJIT_ASSERT(src == SLJIT_UNUSED && srcw == 0);
   1274 	} else {
   1275 		SLJIT_ASSERT(src == dst && srcw == dstw);
   1276 	}
   1277 	FUNCTION_CHECK_DST(dst, dstw);
   1278 #endif
   1279 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1280 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1281 		fprintf(compiler->verbose, "  %sflags.%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i",
   1282 			op_names[GET_OPCODE(op)], !(op & SLJIT_SET_E) ? "" : ".e", !(op & SLJIT_KEEP_FLAGS) ? "" : ".k");
   1283 		sljit_verbose_param(dst, dstw);
   1284 		if (src != SLJIT_UNUSED) {
   1285 			fprintf(compiler->verbose, ", ");
   1286 			sljit_verbose_param(src, srcw);
   1287 		}
   1288 		fprintf(compiler->verbose, ", %s\n", jump_names[type]);
   1289 	}
   1290 #endif
   1291 }
   1292 
   1293 static SLJIT_INLINE void check_sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
   1294 {
   1295 	SLJIT_UNUSED_ARG(compiler);
   1296 	SLJIT_UNUSED_ARG(dst);
   1297 	SLJIT_UNUSED_ARG(dstw);
   1298 	SLJIT_UNUSED_ARG(offset);
   1299 
   1300 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1301 	FUNCTION_CHECK_DST(dst, dstw);
   1302 #endif
   1303 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1304 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1305 		fprintf(compiler->verbose, "  local_base ");
   1306 		sljit_verbose_param(dst, dstw);
   1307 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", offset);
   1308 	}
   1309 #endif
   1310 }
   1311 
   1312 static SLJIT_INLINE void check_sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw init_value)
   1313 {
   1314 	/* If debug and verbose are disabled, all arguments are unused. */
   1315 	SLJIT_UNUSED_ARG(compiler);
   1316 	SLJIT_UNUSED_ARG(dst);
   1317 	SLJIT_UNUSED_ARG(dstw);
   1318 	SLJIT_UNUSED_ARG(init_value);
   1319 
   1320 #if (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1321 	FUNCTION_CHECK_DST(dst, dstw);
   1322 #endif
   1323 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1324 	if (SLJIT_UNLIKELY(!!compiler->verbose)) {
   1325 		fprintf(compiler->verbose, "  const ");
   1326 		sljit_verbose_param(dst, dstw);
   1327 		fprintf(compiler->verbose, ", #%" SLJIT_PRINT_D "d\n", init_value);
   1328 	}
   1329 #endif
   1330 }
   1331 
   1332 static SLJIT_INLINE sljit_si emit_mov_before_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
   1333 {
   1334 	/* Return if don't need to do anything. */
   1335 	if (op == SLJIT_UNUSED)
   1336 		return SLJIT_SUCCESS;
   1337 
   1338 #if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
   1339 	/* At the moment the pointer size is always equal to sljit_sw. May be changed in the future. */
   1340 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_P))
   1341 		return SLJIT_SUCCESS;
   1342 #else
   1343 	if (src == SLJIT_RETURN_REG && (op == SLJIT_MOV || op == SLJIT_MOV_UI || op == SLJIT_MOV_SI || op == SLJIT_MOV_P))
   1344 		return SLJIT_SUCCESS;
   1345 #endif
   1346 
   1347 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1348 	compiler->skip_checks = 1;
   1349 #endif
   1350 	return sljit_emit_op1(compiler, op, SLJIT_RETURN_REG, 0, src, srcw);
   1351 }
   1352 
   1353 /* CPU description section */
   1354 
   1355 #if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
   1356 #define SLJIT_CPUINFO_PART1 " 32bit ("
   1357 #elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
   1358 #define SLJIT_CPUINFO_PART1 " 64bit ("
   1359 #else
   1360 #error "Internal error: CPU type info missing"
   1361 #endif
   1362 
   1363 #if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
   1364 #define SLJIT_CPUINFO_PART2 "little endian + "
   1365 #elif (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)
   1366 #define SLJIT_CPUINFO_PART2 "big endian + "
   1367 #else
   1368 #error "Internal error: CPU type info missing"
   1369 #endif
   1370 
   1371 #if (defined SLJIT_UNALIGNED && SLJIT_UNALIGNED)
   1372 #define SLJIT_CPUINFO_PART3 "unaligned)"
   1373 #else
   1374 #define SLJIT_CPUINFO_PART3 "aligned)"
   1375 #endif
   1376 
   1377 #define SLJIT_CPUINFO SLJIT_CPUINFO_PART1 SLJIT_CPUINFO_PART2 SLJIT_CPUINFO_PART3
   1378 
   1379 #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
   1380 #	include "sljitNativeX86_common.c"
   1381 #elif (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
   1382 #	include "sljitNativeX86_common.c"
   1383 #elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
   1384 #	include "sljitNativeARM_32.c"
   1385 #elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
   1386 #	include "sljitNativeARM_32.c"
   1387 #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
   1388 #	include "sljitNativeARM_T2_32.c"
   1389 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
   1390 #	include "sljitNativeARM_64.c"
   1391 #elif (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
   1392 #	include "sljitNativePPC_common.c"
   1393 #elif (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
   1394 #	include "sljitNativePPC_common.c"
   1395 #elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
   1396 #	include "sljitNativeMIPS_common.c"
   1397 #elif (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
   1398 #	include "sljitNativeMIPS_common.c"
   1399 #elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
   1400 #	include "sljitNativeSPARC_common.c"
   1401 #elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX)
   1402 #	include "sljitNativeTILEGX_64.c"
   1403 #endif
   1404 
   1405 #if !(defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) && !(defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64)
   1406 
   1407 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
   1408 	sljit_si src1, sljit_sw src1w,
   1409 	sljit_si src2, sljit_sw src2w)
   1410 {
   1411 	/* Default compare for most architectures. */
   1412 	sljit_si flags, tmp_src, condition;
   1413 	sljit_sw tmp_srcw;
   1414 
   1415 	CHECK_ERROR_PTR();
   1416 	check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w);
   1417 
   1418 	condition = type & 0xff;
   1419 #if (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64)
   1420 	if ((condition == SLJIT_C_EQUAL || condition == SLJIT_C_NOT_EQUAL)) {
   1421 		if ((src1 & SLJIT_IMM) && !src1w) {
   1422 			src1 = src2;
   1423 			src1w = src2w;
   1424 			src2 = SLJIT_IMM;
   1425 			src2w = 0;
   1426 		}
   1427 		if ((src2 & SLJIT_IMM) && !src2w)
   1428 			return emit_cmp_to0(compiler, type, src1, src1w);
   1429 	}
   1430 #endif
   1431 
   1432 	if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
   1433 		/* Immediate is prefered as second argument by most architectures. */
   1434 		switch (condition) {
   1435 		case SLJIT_C_LESS:
   1436 			condition = SLJIT_C_GREATER;
   1437 			break;
   1438 		case SLJIT_C_GREATER_EQUAL:
   1439 			condition = SLJIT_C_LESS_EQUAL;
   1440 			break;
   1441 		case SLJIT_C_GREATER:
   1442 			condition = SLJIT_C_LESS;
   1443 			break;
   1444 		case SLJIT_C_LESS_EQUAL:
   1445 			condition = SLJIT_C_GREATER_EQUAL;
   1446 			break;
   1447 		case SLJIT_C_SIG_LESS:
   1448 			condition = SLJIT_C_SIG_GREATER;
   1449 			break;
   1450 		case SLJIT_C_SIG_GREATER_EQUAL:
   1451 			condition = SLJIT_C_SIG_LESS_EQUAL;
   1452 			break;
   1453 		case SLJIT_C_SIG_GREATER:
   1454 			condition = SLJIT_C_SIG_LESS;
   1455 			break;
   1456 		case SLJIT_C_SIG_LESS_EQUAL:
   1457 			condition = SLJIT_C_SIG_GREATER_EQUAL;
   1458 			break;
   1459 		}
   1460 		type = condition | (type & (SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP));
   1461 		tmp_src = src1;
   1462 		src1 = src2;
   1463 		src2 = tmp_src;
   1464 		tmp_srcw = src1w;
   1465 		src1w = src2w;
   1466 		src2w = tmp_srcw;
   1467 	}
   1468 
   1469 	if (condition <= SLJIT_C_NOT_ZERO)
   1470 		flags = SLJIT_SET_E;
   1471 	else if (condition <= SLJIT_C_LESS_EQUAL)
   1472 		flags = SLJIT_SET_U;
   1473 	else
   1474 		flags = SLJIT_SET_S;
   1475 
   1476 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1477 	compiler->skip_checks = 1;
   1478 #endif
   1479 	PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_INT_OP),
   1480 		SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
   1481 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1482 	compiler->skip_checks = 1;
   1483 #endif
   1484 	return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
   1485 }
   1486 
   1487 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
   1488 	sljit_si src1, sljit_sw src1w,
   1489 	sljit_si src2, sljit_sw src2w)
   1490 {
   1491 	sljit_si flags, condition;
   1492 
   1493 	check_sljit_emit_fcmp(compiler, type, src1, src1w, src2, src2w);
   1494 
   1495 	condition = type & 0xff;
   1496 	flags = (condition <= SLJIT_C_FLOAT_NOT_EQUAL) ? SLJIT_SET_E : SLJIT_SET_S;
   1497 	if (type & SLJIT_SINGLE_OP)
   1498 		flags |= SLJIT_SINGLE_OP;
   1499 
   1500 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1501 	compiler->skip_checks = 1;
   1502 #endif
   1503 	sljit_emit_fop1(compiler, SLJIT_CMPD | flags, src1, src1w, src2, src2w);
   1504 
   1505 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1506 	compiler->skip_checks = 1;
   1507 #endif
   1508 	return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
   1509 }
   1510 
   1511 #endif
   1512 
   1513 #if !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) && !(defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
   1514 
   1515 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
   1516 {
   1517 	CHECK_ERROR();
   1518 	check_sljit_get_local_base(compiler, dst, dstw, offset);
   1519 
   1520 	ADJUST_LOCAL_OFFSET(SLJIT_MEM1(SLJIT_LOCALS_REG), offset);
   1521 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
   1522 	compiler->skip_checks = 1;
   1523 #endif
   1524 	if (offset != 0)
   1525 		return sljit_emit_op2(compiler, SLJIT_ADD | SLJIT_KEEP_FLAGS, dst, dstw, SLJIT_LOCALS_REG, 0, SLJIT_IMM, offset);
   1526 	return sljit_emit_op1(compiler, SLJIT_MOV, dst, dstw, SLJIT_LOCALS_REG, 0);
   1527 }
   1528 
   1529 #endif
   1530 
   1531 #else /* SLJIT_CONFIG_UNSUPPORTED */
   1532 
   1533 /* Empty function bodies for those machines, which are not (yet) supported. */
   1534 
   1535 SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name(void)
   1536 {
   1537 	return "unsupported";
   1538 }
   1539 
   1540 SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
   1541 {
   1542 	SLJIT_ASSERT_STOP();
   1543 	return NULL;
   1544 }
   1545 
   1546 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
   1547 {
   1548 	SLJIT_UNUSED_ARG(compiler);
   1549 	SLJIT_ASSERT_STOP();
   1550 }
   1551 
   1552 SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, sljit_si size)
   1553 {
   1554 	SLJIT_UNUSED_ARG(compiler);
   1555 	SLJIT_UNUSED_ARG(size);
   1556 	SLJIT_ASSERT_STOP();
   1557 	return NULL;
   1558 }
   1559 
   1560 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
   1561 SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
   1562 {
   1563 	SLJIT_UNUSED_ARG(compiler);
   1564 	SLJIT_UNUSED_ARG(verbose);
   1565 	SLJIT_ASSERT_STOP();
   1566 }
   1567 #endif
   1568 
   1569 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
   1570 {
   1571 	SLJIT_UNUSED_ARG(compiler);
   1572 	SLJIT_ASSERT_STOP();
   1573 	return NULL;
   1574 }
   1575 
   1576 SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
   1577 {
   1578 	SLJIT_UNUSED_ARG(code);
   1579 	SLJIT_ASSERT_STOP();
   1580 }
   1581 
   1582 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
   1583 {
   1584 	SLJIT_UNUSED_ARG(compiler);
   1585 	SLJIT_UNUSED_ARG(args);
   1586 	SLJIT_UNUSED_ARG(scratches);
   1587 	SLJIT_UNUSED_ARG(saveds);
   1588 	SLJIT_UNUSED_ARG(local_size);
   1589 	SLJIT_ASSERT_STOP();
   1590 	return SLJIT_ERR_UNSUPPORTED;
   1591 }
   1592 
   1593 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
   1594 {
   1595 	SLJIT_UNUSED_ARG(compiler);
   1596 	SLJIT_UNUSED_ARG(args);
   1597 	SLJIT_UNUSED_ARG(scratches);
   1598 	SLJIT_UNUSED_ARG(saveds);
   1599 	SLJIT_UNUSED_ARG(local_size);
   1600 	SLJIT_ASSERT_STOP();
   1601 }
   1602 
   1603 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
   1604 {
   1605 	SLJIT_UNUSED_ARG(compiler);
   1606 	SLJIT_UNUSED_ARG(op);
   1607 	SLJIT_UNUSED_ARG(src);
   1608 	SLJIT_UNUSED_ARG(srcw);
   1609 	SLJIT_ASSERT_STOP();
   1610 	return SLJIT_ERR_UNSUPPORTED;
   1611 }
   1612 
   1613 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw)
   1614 {
   1615 	SLJIT_UNUSED_ARG(compiler);
   1616 	SLJIT_UNUSED_ARG(dst);
   1617 	SLJIT_UNUSED_ARG(dstw);
   1618 	SLJIT_ASSERT_STOP();
   1619 	return SLJIT_ERR_UNSUPPORTED;
   1620 }
   1621 
   1622 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_si src, sljit_sw srcw)
   1623 {
   1624 	SLJIT_UNUSED_ARG(compiler);
   1625 	SLJIT_UNUSED_ARG(src);
   1626 	SLJIT_UNUSED_ARG(srcw);
   1627 	SLJIT_ASSERT_STOP();
   1628 	return SLJIT_ERR_UNSUPPORTED;
   1629 }
   1630 
   1631 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op)
   1632 {
   1633 	SLJIT_UNUSED_ARG(compiler);
   1634 	SLJIT_UNUSED_ARG(op);
   1635 	SLJIT_ASSERT_STOP();
   1636 	return SLJIT_ERR_UNSUPPORTED;
   1637 }
   1638 
   1639 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op1(struct sljit_compiler *compiler, sljit_si op,
   1640 	sljit_si dst, sljit_sw dstw,
   1641 	sljit_si src, sljit_sw srcw)
   1642 {
   1643 	SLJIT_UNUSED_ARG(compiler);
   1644 	SLJIT_UNUSED_ARG(op);
   1645 	SLJIT_UNUSED_ARG(dst);
   1646 	SLJIT_UNUSED_ARG(dstw);
   1647 	SLJIT_UNUSED_ARG(src);
   1648 	SLJIT_UNUSED_ARG(srcw);
   1649 	SLJIT_ASSERT_STOP();
   1650 	return SLJIT_ERR_UNSUPPORTED;
   1651 }
   1652 
   1653 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler, sljit_si op,
   1654 	sljit_si dst, sljit_sw dstw,
   1655 	sljit_si src1, sljit_sw src1w,
   1656 	sljit_si src2, sljit_sw src2w)
   1657 {
   1658 	SLJIT_UNUSED_ARG(compiler);
   1659 	SLJIT_UNUSED_ARG(op);
   1660 	SLJIT_UNUSED_ARG(dst);
   1661 	SLJIT_UNUSED_ARG(dstw);
   1662 	SLJIT_UNUSED_ARG(src1);
   1663 	SLJIT_UNUSED_ARG(src1w);
   1664 	SLJIT_UNUSED_ARG(src2);
   1665 	SLJIT_UNUSED_ARG(src2w);
   1666 	SLJIT_ASSERT_STOP();
   1667 	return SLJIT_ERR_UNSUPPORTED;
   1668 }
   1669 
   1670 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg)
   1671 {
   1672 	SLJIT_ASSERT_STOP();
   1673 	return reg;
   1674 }
   1675 
   1676 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler,
   1677 	void *instruction, sljit_si size)
   1678 {
   1679 	SLJIT_UNUSED_ARG(compiler);
   1680 	SLJIT_UNUSED_ARG(instruction);
   1681 	SLJIT_UNUSED_ARG(size);
   1682 	SLJIT_ASSERT_STOP();
   1683 	return SLJIT_ERR_UNSUPPORTED;
   1684 }
   1685 
   1686 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void)
   1687 {
   1688 	SLJIT_ASSERT_STOP();
   1689 	return 0;
   1690 }
   1691 
   1692 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop1(struct sljit_compiler *compiler, sljit_si op,
   1693 	sljit_si dst, sljit_sw dstw,
   1694 	sljit_si src, sljit_sw srcw)
   1695 {
   1696 	SLJIT_UNUSED_ARG(compiler);
   1697 	SLJIT_UNUSED_ARG(op);
   1698 	SLJIT_UNUSED_ARG(dst);
   1699 	SLJIT_UNUSED_ARG(dstw);
   1700 	SLJIT_UNUSED_ARG(src);
   1701 	SLJIT_UNUSED_ARG(srcw);
   1702 	SLJIT_ASSERT_STOP();
   1703 	return SLJIT_ERR_UNSUPPORTED;
   1704 }
   1705 
   1706 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fop2(struct sljit_compiler *compiler, sljit_si op,
   1707 	sljit_si dst, sljit_sw dstw,
   1708 	sljit_si src1, sljit_sw src1w,
   1709 	sljit_si src2, sljit_sw src2w)
   1710 {
   1711 	SLJIT_UNUSED_ARG(compiler);
   1712 	SLJIT_UNUSED_ARG(op);
   1713 	SLJIT_UNUSED_ARG(dst);
   1714 	SLJIT_UNUSED_ARG(dstw);
   1715 	SLJIT_UNUSED_ARG(src1);
   1716 	SLJIT_UNUSED_ARG(src1w);
   1717 	SLJIT_UNUSED_ARG(src2);
   1718 	SLJIT_UNUSED_ARG(src2w);
   1719 	SLJIT_ASSERT_STOP();
   1720 	return SLJIT_ERR_UNSUPPORTED;
   1721 }
   1722 
   1723 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
   1724 {
   1725 	SLJIT_UNUSED_ARG(compiler);
   1726 	SLJIT_ASSERT_STOP();
   1727 	return NULL;
   1728 }
   1729 
   1730 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_si type)
   1731 {
   1732 	SLJIT_UNUSED_ARG(compiler);
   1733 	SLJIT_UNUSED_ARG(type);
   1734 	SLJIT_ASSERT_STOP();
   1735 	return NULL;
   1736 }
   1737 
   1738 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_si type,
   1739 	sljit_si src1, sljit_sw src1w,
   1740 	sljit_si src2, sljit_sw src2w)
   1741 {
   1742 	SLJIT_UNUSED_ARG(compiler);
   1743 	SLJIT_UNUSED_ARG(type);
   1744 	SLJIT_UNUSED_ARG(src1);
   1745 	SLJIT_UNUSED_ARG(src1w);
   1746 	SLJIT_UNUSED_ARG(src2);
   1747 	SLJIT_UNUSED_ARG(src2w);
   1748 	SLJIT_ASSERT_STOP();
   1749 	return NULL;
   1750 }
   1751 
   1752 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_fcmp(struct sljit_compiler *compiler, sljit_si type,
   1753 	sljit_si src1, sljit_sw src1w,
   1754 	sljit_si src2, sljit_sw src2w)
   1755 {
   1756 	SLJIT_UNUSED_ARG(compiler);
   1757 	SLJIT_UNUSED_ARG(type);
   1758 	SLJIT_UNUSED_ARG(src1);
   1759 	SLJIT_UNUSED_ARG(src1w);
   1760 	SLJIT_UNUSED_ARG(src2);
   1761 	SLJIT_UNUSED_ARG(src2w);
   1762 	SLJIT_ASSERT_STOP();
   1763 	return NULL;
   1764 }
   1765 
   1766 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
   1767 {
   1768 	SLJIT_UNUSED_ARG(jump);
   1769 	SLJIT_UNUSED_ARG(label);
   1770 	SLJIT_ASSERT_STOP();
   1771 }
   1772 
   1773 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
   1774 {
   1775 	SLJIT_UNUSED_ARG(jump);
   1776 	SLJIT_UNUSED_ARG(target);
   1777 	SLJIT_ASSERT_STOP();
   1778 }
   1779 
   1780 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_ijump(struct sljit_compiler *compiler, sljit_si type, sljit_si src, sljit_sw srcw)
   1781 {
   1782 	SLJIT_UNUSED_ARG(compiler);
   1783 	SLJIT_UNUSED_ARG(type);
   1784 	SLJIT_UNUSED_ARG(src);
   1785 	SLJIT_UNUSED_ARG(srcw);
   1786 	SLJIT_ASSERT_STOP();
   1787 	return SLJIT_ERR_UNSUPPORTED;
   1788 }
   1789 
   1790 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_si op,
   1791 	sljit_si dst, sljit_sw dstw,
   1792 	sljit_si src, sljit_sw srcw,
   1793 	sljit_si type)
   1794 {
   1795 	SLJIT_UNUSED_ARG(compiler);
   1796 	SLJIT_UNUSED_ARG(op);
   1797 	SLJIT_UNUSED_ARG(dst);
   1798 	SLJIT_UNUSED_ARG(dstw);
   1799 	SLJIT_UNUSED_ARG(src);
   1800 	SLJIT_UNUSED_ARG(srcw);
   1801 	SLJIT_UNUSED_ARG(type);
   1802 	SLJIT_ASSERT_STOP();
   1803 	return SLJIT_ERR_UNSUPPORTED;
   1804 }
   1805 
   1806 SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_local_base(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw offset)
   1807 {
   1808 	SLJIT_UNUSED_ARG(compiler);
   1809 	SLJIT_UNUSED_ARG(dst);
   1810 	SLJIT_UNUSED_ARG(dstw);
   1811 	SLJIT_UNUSED_ARG(offset);
   1812 	SLJIT_ASSERT_STOP();
   1813 	return SLJIT_ERR_UNSUPPORTED;
   1814 }
   1815 
   1816 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw dstw, sljit_sw initval)
   1817 {
   1818 	SLJIT_UNUSED_ARG(compiler);
   1819 	SLJIT_UNUSED_ARG(dst);
   1820 	SLJIT_UNUSED_ARG(dstw);
   1821 	SLJIT_UNUSED_ARG(initval);
   1822 	SLJIT_ASSERT_STOP();
   1823 	return NULL;
   1824 }
   1825 
   1826 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
   1827 {
   1828 	SLJIT_UNUSED_ARG(addr);
   1829 	SLJIT_UNUSED_ARG(new_addr);
   1830 	SLJIT_ASSERT_STOP();
   1831 }
   1832 
   1833 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
   1834 {
   1835 	SLJIT_UNUSED_ARG(addr);
   1836 	SLJIT_UNUSED_ARG(new_constant);
   1837 	SLJIT_ASSERT_STOP();
   1838 }
   1839 
   1840 #endif
   1841