trunk/sljit/sljitLir.c

/*
 *    Stack-less Just-In-Time compiler
 *
 *    Copyright 2009-2010 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright notice, this list of
 *      conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright notice, this list
 *      of conditions and the following disclaimer in the documentation and/or other materials
 *      provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "sljitLir.h"

#define CHECK_ERROR() \
        do { \
                if (SLJIT_UNLIKELY(compiler->error)) \
                        return compiler->error; \
        } while (0)

#define CHECK_ERROR_PTR() \
        do { \
                if (SLJIT_UNLIKELY(compiler->error)) \
                        return NULL; \
        } while (0)

#define CHECK_ERROR_VOID() \
        do { \
                if (SLJIT_UNLIKELY(compiler->error)) \
                        return; \
        } while (0)

#define FAIL_IF(expr) \
        do { \
                if (SLJIT_UNLIKELY(expr)) \
                        return compiler->error; \
        } while (0)

#define PTR_FAIL_IF(expr) \
        do { \
                if (SLJIT_UNLIKELY(expr)) \
                        return NULL; \
        } while (0)

#define FAIL_IF_NULL(ptr) \
        do { \
                if (SLJIT_UNLIKELY(!(ptr))) { \
                        compiler->error = SLJIT_ERR_ALLOC_FAILED; \
                        return SLJIT_ERR_ALLOC_FAILED; \
                } \
        } while (0)

#define PTR_FAIL_IF_NULL(ptr) \
        do { \
                if (SLJIT_UNLIKELY(!(ptr))) { \
                        compiler->error = SLJIT_ERR_ALLOC_FAILED; \
                        return NULL; \
                } \
        } while (0)

#define PTR_FAIL_WITH_EXEC_IF(ptr) \
        do { \
                if (SLJIT_UNLIKELY(!(ptr))) { \
                        compiler->error = SLJIT_ERR_EX_ALLOC_FAILED; \
                        return NULL; \
                } \
        } while (0)

#if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)

#define GET_OPCODE(op) \
        ((op) & ~(SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))

#define GET_FLAGS(op) \
        ((op) & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C))

#define GET_ALL_FLAGS(op) \
        ((op) & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))

#define BUF_SIZE        4096

#if (defined SLJIT_32BIT_ARCHITECTURE && SLJIT_32BIT_ARCHITECTURE)
#define ABUF_SIZE       2048
#else
#define ABUF_SIZE       4096
#endif

/* Jump flags. */
#define JUMP_LABEL      0x1
#define JUMP_ADDR       0x2
/* SLJIT_REWRITABLE_JUMP is 0x1000. */

#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
        #define PATCH_MB        0x4
        #define PATCH_MW        0x8
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
        #define PATCH_MD        0x10
#endif
#endif

#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
        #define IS_BL           0x4
        #define PATCH_B         0x8
#endif

#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
        #define CPOOL_SIZE      512
#endif

#if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
        #define IS_CONDITIONAL  0x04
        #define IS_BL           0x08
        /* cannot be encoded as branch */
        #define B_TYPE0         0x00
        /* conditional + imm8 */
        #define B_TYPE1         0x10
        /* conditional + imm20 */
        #define B_TYPE2         0x20
        /* IT + imm24 */
        #define B_TYPE3         0x30
        /* imm11 */
        #define B_TYPE4         0x40
        /* imm24 */
        #define B_TYPE5         0x50
        /* BL + imm24 */
        #define BL_TYPE6        0x60
        /* 0xf00 cc code for branches */
#endif

#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
        #define UNCOND_B        0x04
        #define PATCH_B         0x08
        #define ABSOLUTE_B      0x10
#endif

#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
        #define IS_MOVABLE      0x04
        #define IS_JAL          0x08
        #define IS_BIT26_COND   0x10
        #define IS_BIT16_COND   0x20

        #define IS_COND         (IS_BIT26_COND | IS_BIT16_COND)

        #define PATCH_B         0x40
        #define PATCH_J         0x80

        /* instruction types */
        #define UNMOVABLE_INS   0
        /* 1 - 31 last destination register */
        #define FCSR_FCC        32
        /* no destination (i.e: store) */
        #define MOVABLE_INS     33
#endif

#endif /* !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) */

/* Utils can still be used even if SLJIT_CONFIG_UNSUPPORTED is set. */
#include "sljitUtils.c"

#if !(defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)

#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
#include "sljitExecAllocator.c"
#endif

#if (defined SLJIT_SSE2_AUTO && SLJIT_SSE2_AUTO) && !(defined SLJIT_SSE2 && SLJIT_SSE2)
#error SLJIT_SSE2_AUTO cannot be enabled without SLJIT_SSE2
#endif

/* --------------------------------------------------------------------- */
/*  Public functions                                                     */
/* --------------------------------------------------------------------- */

#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)))
#define SLJIT_NEEDS_COMPILER_INIT 1
static int compiler_initialized = 0;
/* A thread safe initialization. */
static void init_compiler(void);
#endif


SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
{
        struct sljit_compiler *compiler = (struct sljit_compiler*)SLJIT_MALLOC_ZEROED(sizeof(struct sljit_compiler));
        if (!compiler)
                return NULL;

        SLJIT_COMPILE_ASSERT(
                sizeof(sljit_b) == 1 && sizeof(sljit_ub) == 1
                && sizeof(sljit_h) == 2 && sizeof(sljit_uh) == 2
                && sizeof(sljit_i) == 4 && sizeof(sljit_ui) == 4
                && ((sizeof(sljit_w) == 4 && sizeof(sljit_uw) == 4) || (sizeof(sljit_w) == 8 && sizeof(sljit_uw) == 8)),
                invalid_integer_types);

        /* Only the non-zero members must be set. */
        compiler->error = SLJIT_SUCCESS;

        compiler->buf = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
        compiler->abuf = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);

        if (!compiler->buf || !compiler->abuf) {
                if (compiler->buf)
                        SLJIT_FREE(compiler->buf);
                if (compiler->abuf)
                        SLJIT_FREE(compiler->abuf);
                SLJIT_FREE(compiler);
                return NULL;
        }

        compiler->buf->next = NULL;
        compiler->buf->used_size = 0;
        compiler->abuf->next = NULL;
        compiler->abuf->used_size = 0;

        compiler->temporaries = -1;
        compiler->generals = -1;

#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
        compiler->args = -1;
#endif

#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
        compiler->cpool = (sljit_uw*)SLJIT_MALLOC(CPOOL_SIZE * sizeof(sljit_uw) + CPOOL_SIZE * sizeof(sljit_ub));
        if (!compiler->cpool) {
                SLJIT_FREE(compiler->buf);
                SLJIT_FREE(compiler->abuf);
                SLJIT_FREE(compiler);
                return NULL;
        }
        compiler->cpool_unique = (sljit_ub*)(compiler->cpool + CPOOL_SIZE);
        compiler->cpool_diff = 0xffffffff;
#endif

#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
        compiler->delay_slot = UNMOVABLE_INS;
#endif

#if (defined SLJIT_NEEDS_COMPILER_INIT && SLJIT_NEEDS_COMPILER_INIT)
        if (!compiler_initialized) {
                init_compiler();
                compiler_initialized = 1;
        }
#endif

        return compiler;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
{
        struct sljit_memory_fragment *buf;
        struct sljit_memory_fragment *curr;

        buf = compiler->buf;
        while (buf) {
                curr = buf;
                buf = buf->next;
                SLJIT_FREE(curr);
        }

        buf = compiler->abuf;
        while (buf) {
                curr = buf;
                buf = buf->next;
                SLJIT_FREE(curr);
        }

#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
        SLJIT_FREE(compiler->cpool);
#endif
        SLJIT_FREE(compiler);
}

#if (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
{
        /* Remove thumb mode flag. */
        SLJIT_FREE_EXEC((void*)((sljit_uw)code & ~0x1));
}
#elif (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
{
        /* Resolve indirection. */
        code = (void*)(*(sljit_uw*)code);
        SLJIT_FREE_EXEC(code);
}
#else
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
{
        SLJIT_FREE_EXEC(code);
}
#endif

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
{
        if (SLJIT_LIKELY(!!jump) && SLJIT_LIKELY(!!label)) {
                jump->flags &= ~JUMP_ADDR;
                jump->flags |= JUMP_LABEL;
                jump->u.label = label;
        }
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
{
        if (SLJIT_LIKELY(!!jump)) {
                SLJIT_ASSERT(jump->flags & SLJIT_REWRITABLE_JUMP);

                jump->flags &= ~JUMP_LABEL;
                jump->flags |= JUMP_ADDR;
                jump->u.target = target;
        }
}

/* --------------------------------------------------------------------- */
/*  Private functions                                                    */
/* --------------------------------------------------------------------- */

static void* ensure_buf(struct sljit_compiler *compiler, int size)
{
        sljit_ub *ret;
        struct sljit_memory_fragment *new_frag;

        if (compiler->buf->used_size + size <= (int)(BUF_SIZE - sizeof(sljit_uw) - sizeof(void*))) {
                ret = compiler->buf->memory + compiler->buf->used_size;
                compiler->buf->used_size += size;
                return ret;
        }
        new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(BUF_SIZE);
        PTR_FAIL_IF_NULL(new_frag);
        new_frag->next = compiler->buf;
        compiler->buf = new_frag;
        new_frag->used_size = size;
        return new_frag->memory;
}

static void* ensure_abuf(struct sljit_compiler *compiler, int size)
{
        sljit_ub *ret;
        struct sljit_memory_fragment *new_frag;

        if (compiler->abuf->used_size + size <= (int)(ABUF_SIZE - sizeof(sljit_uw) - sizeof(void*))) {
                ret = compiler->abuf->memory + compiler->abuf->used_size;
                compiler->abuf->used_size += size;
                return ret;
        }
        new_frag = (struct sljit_memory_fragment*)SLJIT_MALLOC(ABUF_SIZE);
        PTR_FAIL_IF_NULL(new_frag);
        new_frag->next = compiler->abuf;
        compiler->abuf = new_frag;
        new_frag->used_size = size;
        return new_frag->memory;
}

SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, int size)
{
        CHECK_ERROR_PTR();

#if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
        if (size <= 0 || size > 128)
                return NULL;
        size = (size + 7) & ~7;
#else
        if (size <= 0 || size > 64)
                return NULL;
        size = (size + 3) & ~3;
#endif
        return ensure_abuf(compiler, size);
}

static SLJIT_INLINE void reverse_buf(struct sljit_compiler *compiler)
{
        struct sljit_memory_fragment *buf = compiler->buf;
        struct sljit_memory_fragment *prev = NULL;
        struct sljit_memory_fragment *tmp;

        do {
                tmp = buf->next;
                buf->next = prev;
                prev = buf;
                buf = tmp;
        } while (buf != NULL);

        compiler->buf = prev;
}

static SLJIT_INLINE void set_label(struct sljit_label *label, struct sljit_compiler *compiler)
{
        label->next = NULL;
        label->size = compiler->size;
        if (compiler->last_label)
                compiler->last_label->next = label;
        else
                compiler->labels = label;
        compiler->last_label = label;
}

static SLJIT_INLINE void set_jump(struct sljit_jump *jump, struct sljit_compiler *compiler, int flags)
{
        jump->next = NULL;
        jump->flags = flags;
        if (compiler->last_jump)
                compiler->last_jump->next = jump;
        else
                compiler->jumps = jump;
        compiler->last_jump = jump;
}

static SLJIT_INLINE void set_const(struct sljit_const *const_, struct sljit_compiler *compiler)
{
        const_->next = NULL;
        const_->addr = compiler->size;
        if (compiler->last_const)
                compiler->last_const->next = const_;
        else
                compiler->consts = const_;
        compiler->last_const = const_;
}

#define ADDRESSING_DEPENDS_ON(exp, reg) \
        (((exp) & SLJIT_MEM) && (((exp) & 0xf) == reg || (((exp) >> 4) & 0xf) == reg))

#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
#define FUNCTION_CHECK_OP() \
        SLJIT_ASSERT(!GET_FLAGS(op) || !(op & SLJIT_KEEP_FLAGS)); \
        switch (GET_OPCODE(op)) { \
        case SLJIT_NOT: \
        case SLJIT_CLZ: \
        case SLJIT_AND: \
        case SLJIT_OR: \
        case SLJIT_XOR: \
        case SLJIT_SHL: \
        case SLJIT_LSHR: \
        case SLJIT_ASHR: \
                SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C))); \
                break; \
        case SLJIT_NEG: \
                SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_C))); \
                break; \
        case SLJIT_MUL: \
                SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_C))); \
                break; \
        case SLJIT_FCMP: \
                SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
                SLJIT_ASSERT((op & (SLJIT_SET_E | SLJIT_SET_S))); \
                break; \
        case SLJIT_ADD: \
                SLJIT_ASSERT(!(op & (SLJIT_SET_S | SLJIT_SET_U))); \
                break; \
        case SLJIT_SUB: \
                break; \
        case SLJIT_ADDC: \
        case SLJIT_SUBC: \
                SLJIT_ASSERT(!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))); \
                break; \
        default: \
                /* Nothing allowed */ \
                SLJIT_ASSERT(!(op & (SLJIT_INT_OP | SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O | SLJIT_SET_C | SLJIT_KEEP_FLAGS))); \
                break; \
        }

#define FUNCTION_CHECK_IS_REG(r) \
        ((r) == SLJIT_UNUSED || (r) == SLJIT_LOCALS_REG || \
        ((r) >= SLJIT_TEMPORARY_REG1 && (r) <= SLJIT_TEMPORARY_REG3 && (r) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
        ((r) >= SLJIT_GENERAL_REG1 && (r) <= SLJIT_GENERAL_REG3 && (r) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals)) \

#define FUNCTION_CHECK_SRC(p, i) \
        SLJIT_ASSERT(compiler->temporaries != -1 && compiler->generals != -1); \
        if (((p) >= SLJIT_TEMPORARY_REG1 && (p) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
                        ((p) >= SLJIT_GENERAL_REG1 && (p) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals) || \
                        (p) == SLJIT_LOCALS_REG) \
                SLJIT_ASSERT(i == 0); \
        else if ((p) == SLJIT_IMM) \
                ; \
        else if ((p) & SLJIT_MEM) { \
                SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
                if ((p) & 0xf0) { \
                        SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
                        SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
                } else \
                        SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
                SLJIT_ASSERT(((p) >> 9) == 0); \
        } \
        else \
                SLJIT_ASSERT_STOP();

#define FUNCTION_CHECK_DST(p, i) \
        SLJIT_ASSERT(compiler->temporaries != -1 && compiler->generals != -1); \
        if (((p) >= SLJIT_TEMPORARY_REG1 && (p) <= SLJIT_TEMPORARY_REG1 - 1 + compiler->temporaries) || \
                        ((p) >= SLJIT_GENERAL_REG1 && (p) <= SLJIT_GENERAL_REG1 - 1 + compiler->generals) || \
                        (p) == SLJIT_UNUSED) \
                SLJIT_ASSERT(i == 0); \
        else if ((p) & SLJIT_MEM) { \
                SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
                if ((p) & 0xf0) { \
                        SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
                        SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
                } else \
                        SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
                SLJIT_ASSERT(((p) >> 9) == 0); \
        } \
        else \
                SLJIT_ASSERT_STOP();

#define FUNCTION_FCHECK(p, i) \
        if ((p) >= SLJIT_FLOAT_REG1 && (p) <= SLJIT_FLOAT_REG4) \
                SLJIT_ASSERT(i == 0); \
        else if ((p) & SLJIT_MEM) { \
                SLJIT_ASSERT(FUNCTION_CHECK_IS_REG((p) & 0xf)); \
                if ((p) & 0xf0) { \
                        SLJIT_ASSERT(FUNCTION_CHECK_IS_REG(((p) >> 4) & 0xf)); \
                        SLJIT_ASSERT(((p) & 0xf0) != (SLJIT_LOCALS_REG << 4) && !(i & ~0x3)); \
                } else \
                        SLJIT_ASSERT((((p) >> 4) & 0xf) == 0); \
                SLJIT_ASSERT(((p) >> 9) == 0); \
        } \
        else \
                SLJIT_ASSERT_STOP();

#define FUNCTION_CHECK_OP1() \
        if (GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
                SLJIT_ASSERT(!GET_ALL_FLAGS(op)); \
        } \
        if (GET_OPCODE(op) >= SLJIT_MOVU && GET_OPCODE(op) <= SLJIT_MOVU_SI) { \
                SLJIT_ASSERT(!(src & SLJIT_MEM) || (src & 0xf) != SLJIT_LOCALS_REG); \
                SLJIT_ASSERT(!(dst & SLJIT_MEM) || (dst & 0xf) != SLJIT_LOCALS_REG); \
                if ((src & SLJIT_MEM) && (src & 0xf)) \
                        SLJIT_ASSERT((dst & 0xf) != (src & 0xf) && ((dst >> 4) & 0xf) != (src & 0xf)); \
        }

#endif

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)

SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
{
        compiler->verbose = verbose;
}

static char* reg_names[] = {
        (char*)"<noreg>", (char*)"tmp_r1", (char*)"tmp_r2", (char*)"tmp_r3",
        (char*)"tmp_er1", (char*)"tmp_er2", (char*)"gen_r1", (char*)"gen_r2",
        (char*)"gen_r3", (char*)"gen_er1", (char*)"gen_er2", (char*)"stack_r"
};

static char* freg_names[] = {
        (char*)"<noreg>", (char*)"float_r1", (char*)"float_r2", (char*)"float_r3", (char*)"float_r4"
};

#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
#ifdef _WIN64
        #define SLJIT_PRINT_D   "I64"
#else
        #define SLJIT_PRINT_D   "l"
#endif
#else
        #define SLJIT_PRINT_D   ""
#endif

#define sljit_verbose_param(p, i) \
        if ((p) & SLJIT_IMM) \
                fprintf(compiler->verbose, "#%"SLJIT_PRINT_D"d", (i)); \
        else if ((p) & SLJIT_MEM) { \
                if ((p) & 0xf) { \
                        if (i) { \
                                if (((p) >> 4) & 0xf) \
                                        fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF], 1 << (i)); \
                                else \
                                        fprintf(compiler->verbose, "[%s + #%"SLJIT_PRINT_D"d]", reg_names[(p) & 0xF], (i)); \
                        } \
                        else { \
                                if (((p) >> 4) & 0xf) \
                                        fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF]); \
                                else \
                                        fprintf(compiler->verbose, "[%s]", reg_names[(p) & 0xF]); \
                        } \
                } \
                else \
                        fprintf(compiler->verbose, "[#%"SLJIT_PRINT_D"d]", (i)); \
        } else \
                fprintf(compiler->verbose, "%s", reg_names[p]);
#define sljit_verbose_fparam(p, i) \
        if ((p) & SLJIT_MEM) { \
                if ((p) & 0xf) { \
                        if (i) { \
                                if (((p) >> 4) & 0xf) \
                                        fprintf(compiler->verbose, "[%s + %s * %d]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF], 1 << (i)); \
                                else \
                                        fprintf(compiler->verbose, "[%s + #%"SLJIT_PRINT_D"d]", reg_names[(p) & 0xF], (i)); \
                        } \
                        else { \
                                if (((p) >> 4) & 0xF) \
                                        fprintf(compiler->verbose, "[%s + %s]", reg_names[(p) & 0xF], reg_names[((p) >> 4)& 0xF]); \
                                else \
                                        fprintf(compiler->verbose, "[%s]", reg_names[(p) & 0xF]); \
                        } \
                } \
                else \
                        fprintf(compiler->verbose, "[#%"SLJIT_PRINT_D"d]", (i)); \
        } else \
                fprintf(compiler->verbose, "%s", freg_names[p]);

static SLJIT_CONST char* op_names[] = {
        /* op0 */
        (char*)"breakpoint", (char*)"nop",
        /* op1 */
        (char*)"mov", (char*)"mov.ub", (char*)"mov.sb", (char*)"mov.uh",
        (char*)"mov.sh", (char*)"mov.ui", (char*)"mov.si", (char*)"movu",
        (char*)"movu.ub", (char*)"movu.sb", (char*)"movu.uh", (char*)"movu.sh",
        (char*)"movu.ui", (char*)"movu.si", (char*)"not", (char*)"neg",
        (char*)"clz",
        /* op2 */
        (char*)"add", (char*)"addc", (char*)"sub", (char*)"subc",
        (char*)"mul", (char*)"and", (char*)"or", (char*)"xor",
        (char*)"shl", (char*)"lshr", (char*)"ashr",
        /* fop1 */
        (char*)"fcmp", (char*)"fmov", (char*)"fneg", (char*)"fabs",
        /* fop2 */
        (char*)"fadd", (char*)"fsub", (char*)"fmul", (char*)"fdiv"
};

static char* jump_names[] = {
        (char*)"c_equal", (char*)"c_not_equal",
        (char*)"c_less", (char*)"c_greater_equal",
        (char*)"c_greater", (char*)"c_less_equal",
        (char*)"c_sig_less", (char*)"c_sig_greater_equal",
        (char*)"c_sig_greater", (char*)"c_sig_less_equal",
        (char*)"c_overflow", (char*)"c_not_overflow",
        (char*)"c_mul_overflow", (char*)"c_mul_not_overflow",
        (char*)"c_float_equal", (char*)"c_float_not_equal",
        (char*)"c_float_less", (char*)"c_float_greater_equal",
        (char*)"c_float_greater", (char*)"c_float_less_equal",
        (char*)"c_float_nan", (char*)"c_float_not_nan",
        (char*)"jump", (char*)"fast_call",
        (char*)"call0", (char*)"call1", (char*)"call2", (char*)"call3"
};

#endif

/* --------------------------------------------------------------------- */
/*  Arch dependent                                                       */
/* --------------------------------------------------------------------- */

static SLJIT_INLINE void check_sljit_generate_code(struct sljit_compiler *compiler)
{
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        struct sljit_jump *jump;
#endif
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);

        SLJIT_ASSERT(compiler->size > 0);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        jump = compiler->jumps;
        while (jump) {
                /* All jumps have target. */
                SLJIT_ASSERT(jump->flags & (JUMP_LABEL | JUMP_ADDR));
                jump = jump->next;
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);

        SLJIT_ASSERT(args >= 0 && args <= 3);
        SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
        SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
        SLJIT_ASSERT(args <= generals);
        SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose))
                fprintf(compiler->verbose, "  enter args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
#endif
}

static SLJIT_INLINE void check_sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);

        SLJIT_ASSERT(args >= 0 && args <= 3);
        SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
        SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
        SLJIT_ASSERT(args <= generals);
        SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose))
                fprintf(compiler->verbose, "  fake_enter args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
#endif
}

static SLJIT_INLINE void check_sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);

#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        if (src != SLJIT_UNUSED) {
                FUNCTION_CHECK_SRC(src, srcw);
        }
        else
                SLJIT_ASSERT(srcw == 0);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  return ");
                sljit_verbose_param(src, srcw);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);

        SLJIT_ASSERT(args >= 0 && args <= 3);
        SLJIT_ASSERT(temporaries >= 0 && temporaries <= SLJIT_NO_TMP_REGISTERS);
        SLJIT_ASSERT(generals >= 0 && generals <= SLJIT_NO_GEN_REGISTERS);
        SLJIT_ASSERT(args <= generals);
        SLJIT_ASSERT(local_size >= 0 && local_size <= SLJIT_MAX_LOCAL_SIZE);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        compiler->temporaries = temporaries;
        compiler->generals = generals;
        FUNCTION_CHECK_DST(dst, dstw);
        compiler->temporaries = -1;
        compiler->generals = -1;
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  fast_enter ");
                sljit_verbose_param(dst, dstw);
                fprintf(compiler->verbose, " args=%d temporaries=%d generals=%d local_size=%d\n", args, temporaries, generals, local_size);
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);

#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_SRC(src, srcw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  fast_return ");
                sljit_verbose_param(src, srcw);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_op0(struct sljit_compiler *compiler, int op)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);

        SLJIT_ASSERT(op >= SLJIT_BREAKPOINT && op <= SLJIT_NOP);
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose))
                fprintf(compiler->verbose, "  %s\n", op_names[op]);
#endif
}

static SLJIT_INLINE void check_sljit_emit_op1(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src, sljit_w srcw)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);

        SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_MOV && GET_OPCODE(op) <= SLJIT_CLZ);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_OP();
        FUNCTION_CHECK_SRC(src, srcw);
        FUNCTION_CHECK_DST(dst, dstw);
        FUNCTION_CHECK_OP1();
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
                        !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S", !(op & SLJIT_SET_U) ? "" : "U", !(op & SLJIT_SET_O) ? "" : "O", !(op & SLJIT_SET_C) ? "" : "C", !(op & SLJIT_KEEP_FLAGS) ? "" : "K");
                sljit_verbose_param(dst, dstw);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_param(src, srcw);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_op2(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
        if (SLJIT_UNLIKELY(compiler->skip_checks)) {
                compiler->skip_checks = 0;
                return;
        }
#endif

        SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_ADD && GET_OPCODE(op) <= SLJIT_ASHR);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_OP();
        FUNCTION_CHECK_SRC(src1, src1w);
        FUNCTION_CHECK_SRC(src2, src2w);
        FUNCTION_CHECK_DST(dst, dstw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  %s%s%s%s%s%s%s%s ", !(op & SLJIT_INT_OP) ? "" : "i", op_names[GET_OPCODE(op)],
                        !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S", !(op & SLJIT_SET_U) ? "" : "U", !(op & SLJIT_SET_O) ? "" : "O", !(op & SLJIT_SET_C) ? "" : "C", !(op & SLJIT_KEEP_FLAGS) ? "" : "K");
                sljit_verbose_param(dst, dstw);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_param(src1, src1w);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_param(src2, src2w);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_fop1(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src, sljit_w srcw)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);

        SLJIT_ASSERT(sljit_is_fpu_available());
        SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_FCMP && GET_OPCODE(op) <= SLJIT_FABS);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_OP();
        FUNCTION_FCHECK(src, srcw);
        FUNCTION_FCHECK(dst, dstw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  %s%s%s ", op_names[GET_OPCODE(op)],
                        !(op & SLJIT_SET_E) ? "" : "E", !(op & SLJIT_SET_S) ? "" : "S");
                sljit_verbose_fparam(dst, dstw);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_fparam(src, srcw);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_fop2(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);

        SLJIT_ASSERT(sljit_is_fpu_available());
        SLJIT_ASSERT(GET_OPCODE(op) >= SLJIT_FADD && GET_OPCODE(op) <= SLJIT_FDIV);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_OP();
        FUNCTION_FCHECK(src1, src1w);
        FUNCTION_FCHECK(src2, src2w);
        FUNCTION_FCHECK(dst, dstw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  %s ", op_names[GET_OPCODE(op)]);
                sljit_verbose_fparam(dst, dstw);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_fparam(src1, src1w);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_fparam(src2, src2w);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_label(struct sljit_compiler *compiler)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose))
                fprintf(compiler->verbose, "label:\n");
#endif
}

static SLJIT_INLINE void check_sljit_emit_jump(struct sljit_compiler *compiler, int type)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
        if (SLJIT_UNLIKELY(compiler->skip_checks)) {
                compiler->skip_checks = 0;
                return;
        }
#endif

        SLJIT_ASSERT(!(type & ~(0xff | SLJIT_REWRITABLE_JUMP)));
        SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_CALL3);
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose))
                fprintf(compiler->verbose, "  jump%s <%s>\n", !(type & SLJIT_REWRITABLE_JUMP) ? "" : "R", jump_names[type & 0xff]);
#endif
}

static SLJIT_INLINE void check_sljit_emit_cmp(struct sljit_compiler *compiler, int type,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);

        SLJIT_ASSERT(!(type & ~(0xff | SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP)));
        SLJIT_ASSERT((type & 0xff) >= SLJIT_C_EQUAL && (type & 0xff) <= SLJIT_C_SIG_LESS_EQUAL);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_SRC(src1, src1w);
        FUNCTION_CHECK_SRC(src2, src2w);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  %scmp%s <%s> ", !(type & SLJIT_INT_OP) ? "" : "i", !(type & SLJIT_REWRITABLE_JUMP) ? "" : "R", jump_names[type & 0xff]);
                sljit_verbose_param(src1, src1w);
                fprintf(compiler->verbose, ", ");
                sljit_verbose_param(src2, src2w);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);

        SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_SRC(src, srcw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  ijump <%s> ", jump_names[type]);
                sljit_verbose_param(src, srcw);
                fprintf(compiler->verbose, "\n");
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(type);

        SLJIT_ASSERT(type >= SLJIT_C_EQUAL && type < SLJIT_JUMP);
        SLJIT_ASSERT(op == SLJIT_MOV || GET_OPCODE(op) == SLJIT_OR);
        SLJIT_ASSERT(GET_ALL_FLAGS(op) == 0 || GET_ALL_FLAGS(op) == SLJIT_SET_E || GET_ALL_FLAGS(op) == SLJIT_KEEP_FLAGS);
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_DST(dst, dstw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  cond_set%s%s <%s> ", !(op & SLJIT_SET_E) ? "" : "E",
                        !(op & SLJIT_KEEP_FLAGS) ? "" : "K", op_names[GET_OPCODE(op)]);
                sljit_verbose_param(dst, dstw);
                fprintf(compiler->verbose, ", <%s>\n", jump_names[type]);
        }
#endif
}

static SLJIT_INLINE void check_sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
{
        /* If debug and verbose are disabled, all arguments are unused. */
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(init_value);

#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
        FUNCTION_CHECK_DST(dst, dstw);
#endif
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
        if (SLJIT_UNLIKELY(!!compiler->verbose)) {
                fprintf(compiler->verbose, "  const ");
                sljit_verbose_param(dst, dstw);
                fprintf(compiler->verbose, ", #%"SLJIT_PRINT_D"d\n", init_value);
        }
#endif
}

#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
        #include "sljitNativeX86_common.c"
#elif (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
        #include "sljitNativeX86_common.c"
#elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5)
        #include "sljitNativeARM_v5.c"
#elif (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7)
        #include "sljitNativeARM_v5.c"
#elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2)
        #include "sljitNativeARM_Thumb2.c"
#elif (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
        #include "sljitNativePPC_common.c"
#elif (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
        #include "sljitNativePPC_common.c"
#elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
        #include "sljitNativeMIPS_common.c"
#endif

#if !(defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        /* Default compare for most architectures. */
        int flags, tmp_src, condition;
        sljit_w tmp_srcw;

        CHECK_ERROR_PTR();
        check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w);

        condition = type & 0xff;
        if (SLJIT_UNLIKELY((src1 & SLJIT_IMM) && !(src2 & SLJIT_IMM))) {
                /* Immediate is prefered as second argument by most architectures. */
                switch (condition) {
                case SLJIT_C_LESS:
                        condition = SLJIT_C_GREATER;
                        break;
                case SLJIT_C_GREATER_EQUAL:
                        condition = SLJIT_C_LESS_EQUAL;
                        break;
                case SLJIT_C_GREATER:
                        condition = SLJIT_C_LESS;
                        break;
                case SLJIT_C_LESS_EQUAL:
                        condition = SLJIT_C_GREATER_EQUAL;
                        break;
                case SLJIT_C_SIG_LESS:
                        condition = SLJIT_C_SIG_GREATER;
                        break;
                case SLJIT_C_SIG_GREATER_EQUAL:
                        condition = SLJIT_C_SIG_LESS_EQUAL;
                        break;
                case SLJIT_C_SIG_GREATER:
                        condition = SLJIT_C_SIG_LESS;
                        break;
                case SLJIT_C_SIG_LESS_EQUAL:
                        condition = SLJIT_C_SIG_GREATER_EQUAL;
                        break;
                }
                type = condition | (type & (SLJIT_INT_OP | SLJIT_REWRITABLE_JUMP));
                tmp_src = src1;
                src1 = src2;
                src2 = tmp_src;
                tmp_srcw = src1w;
                src1w = src2w;
                src2w = tmp_srcw;
        }

        if (condition <= SLJIT_C_NOT_ZERO)
                flags = SLJIT_SET_E;
        else if (condition <= SLJIT_C_LESS_EQUAL)
                flags = SLJIT_SET_U;
        else
                flags = SLJIT_SET_S;

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
        compiler->skip_checks = 1;
#endif
        PTR_FAIL_IF(sljit_emit_op2(compiler, SLJIT_SUB | flags | (type & SLJIT_INT_OP),
                SLJIT_UNUSED, 0, src1, src1w, src2, src2w));
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG)
        compiler->skip_checks = 1;
#endif
        return sljit_emit_jump(compiler, condition | (type & SLJIT_REWRITABLE_JUMP));
}
#endif

#else /* SLJIT_CONFIG_UNSUPPORTED */

/* Empty function bodies for those machines, which are not (yet) supported. */

SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name()
{
        return "unsupported";
}

SLJIT_API_FUNC_ATTRIBUTE struct sljit_compiler* sljit_create_compiler(void)
{
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_free_compiler(struct sljit_compiler *compiler)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE void* sljit_alloc_memory(struct sljit_compiler *compiler, int size)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(size);
        SLJIT_ASSERT_STOP();
        return NULL;
}

#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
SLJIT_API_FUNC_ATTRIBUTE void sljit_compiler_verbose(struct sljit_compiler *compiler, FILE* verbose)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(verbose);
        SLJIT_ASSERT_STOP();
}
#endif

SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_free_code(void* code)
{
        SLJIT_UNUSED_ARG(code);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(args);
        SLJIT_UNUSED_ARG(temporaries);
        SLJIT_UNUSED_ARG(generals);
        SLJIT_UNUSED_ARG(local_size);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src, sljit_w srcw)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
{
        SLJIT_ASSERT_STOP();
        return 0;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src, sljit_w srcw)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
        int dst, sljit_w dstw,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, int type,
        int src1, sljit_w src1w,
        int src2, sljit_w src2w)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);
        SLJIT_UNUSED_ARG(src1);
        SLJIT_UNUSED_ARG(src1w);
        SLJIT_UNUSED_ARG(src2);
        SLJIT_UNUSED_ARG(src2w);
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_label(struct sljit_jump *jump, struct sljit_label* label)
{
        SLJIT_UNUSED_ARG(jump);
        SLJIT_UNUSED_ARG(label);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw target)
{
        SLJIT_UNUSED_ARG(jump);
        SLJIT_UNUSED_ARG(target);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(type);
        SLJIT_UNUSED_ARG(src);
        SLJIT_UNUSED_ARG(srcw);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(op);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(type);
        SLJIT_ASSERT_STOP();
        return SLJIT_ERR_UNSUPPORTED;
}

SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w initval)
{
        SLJIT_UNUSED_ARG(compiler);
        SLJIT_UNUSED_ARG(dst);
        SLJIT_UNUSED_ARG(dstw);
        SLJIT_UNUSED_ARG(initval);
        SLJIT_ASSERT_STOP();
        return NULL;
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
{
        SLJIT_UNUSED_ARG(addr);
        SLJIT_UNUSED_ARG(new_addr);
        SLJIT_ASSERT_STOP();
}

SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_w new_constant)
{
        SLJIT_UNUSED_ARG(addr);
        SLJIT_UNUSED_ARG(new_constant);
        SLJIT_ASSERT_STOP();
}

#endif