path: root/contrib/libs/pcre/sljit/sljitNativeMIPS_common.c

/* 
 *    Stack-less Just-In-Time compiler 
 * 
 *    Copyright 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. 
 */ 
 
/* Latest MIPS architecture. */ 
/* Automatically detect SLJIT_MIPS_R1 */ 
 
#if (defined __mips_isa_rev) && (__mips_isa_rev >= 6) 
#define SLJIT_MIPS_R6 1 
#endif 
 
SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) 
{ 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	return "MIPS32-R6" SLJIT_CPUINFO; 
#else /* !SLJIT_CONFIG_MIPS_32 */ 
	return "MIPS64-R6" SLJIT_CPUINFO; 
#endif /* SLJIT_CONFIG_MIPS_32 */ 
 
#elif (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	return "MIPS32-R1" SLJIT_CPUINFO; 
#else /* !SLJIT_CONFIG_MIPS_32 */ 
	return "MIPS64-R1" SLJIT_CPUINFO; 
#endif /* SLJIT_CONFIG_MIPS_32 */ 
 
#else /* SLJIT_MIPS_R1 */ 
	return "MIPS III" SLJIT_CPUINFO; 
#endif /* SLJIT_MIPS_R6 */ 
} 
 
/* Length of an instruction word 
   Both for mips-32 and mips-64 */ 
typedef sljit_u32 sljit_ins; 
 
#define TMP_REG1	(SLJIT_NUMBER_OF_REGISTERS + 2) 
#define TMP_REG2	(SLJIT_NUMBER_OF_REGISTERS + 3) 
#define TMP_REG3	(SLJIT_NUMBER_OF_REGISTERS + 4) 
 
/* For position independent code, t9 must contain the function address. */ 
#define PIC_ADDR_REG	TMP_REG2 
 
/* Floating point status register. */ 
#define FCSR_REG	31 
/* Return address register. */ 
#define RETURN_ADDR_REG	31 
 
/* Flags are kept in volatile registers. */ 
#define EQUAL_FLAG	3 
#define OTHER_FLAG	1 
 
#define TMP_FREG1	(SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) 
#define TMP_FREG2	(SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) 
#define TMP_FREG3	(SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3) 
 
static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 5] = { 
	0, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 24, 23, 22, 21, 20, 19, 18, 17, 16, 29, 4, 25, 31 
}; 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
 
static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 4] = { 
	0, 0, 14, 2, 4, 6, 8, 12, 10, 16 
}; 
 
#else 
 
static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 4] = { 
	0, 0, 13, 14, 15, 16, 17, 12, 18, 10 
}; 
 
#endif 
 
/* --------------------------------------------------------------------- */ 
/*  Instrucion forms                                                     */ 
/* --------------------------------------------------------------------- */ 
 
#define S(s)		(reg_map[s] << 21) 
#define T(t)		(reg_map[t] << 16) 
#define D(d)		(reg_map[d] << 11) 
#define FT(t)		(freg_map[t] << 16) 
#define FS(s)		(freg_map[s] << 11) 
#define FD(d)		(freg_map[d] << 6) 
/* Absolute registers. */ 
#define SA(s)		((s) << 21) 
#define TA(t)		((t) << 16) 
#define DA(d)		((d) << 11) 
#define IMM(imm)	((imm) & 0xffff) 
#define SH_IMM(imm)	((imm) << 6) 
 
#define DR(dr)		(reg_map[dr]) 
#define FR(dr)		(freg_map[dr]) 
#define HI(opcode)	((opcode) << 26) 
#define LO(opcode)	(opcode) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
/* CMP.cond.fmt */ 
/* S = (20 << 21) D = (21 << 21) */ 
#define CMP_FMT_S	(20 << 21) 
#endif /* SLJIT_MIPS_R6 */ 
/* S = (16 << 21) D = (17 << 21) */ 
#define FMT_S		(16 << 21) 
#define FMT_D		(17 << 21) 
 
#define ABS_S		(HI(17) | FMT_S | LO(5)) 
#define ADD_S		(HI(17) | FMT_S | LO(0)) 
#define ADDIU		(HI(9)) 
#define ADDU		(HI(0) | LO(33)) 
#define AND		(HI(0) | LO(36)) 
#define ANDI		(HI(12)) 
#define B		(HI(4)) 
#define BAL		(HI(1) | (17 << 16)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define BC1EQZ		(HI(17) | (9 << 21) | FT(TMP_FREG3)) 
#define BC1NEZ		(HI(17) | (13 << 21) | FT(TMP_FREG3)) 
#else /* !SLJIT_MIPS_R6 */ 
#define BC1F		(HI(17) | (8 << 21)) 
#define BC1T		(HI(17) | (8 << 21) | (1 << 16)) 
#endif /* SLJIT_MIPS_R6 */ 
#define BEQ		(HI(4)) 
#define BGEZ		(HI(1) | (1 << 16)) 
#define BGTZ		(HI(7)) 
#define BLEZ		(HI(6)) 
#define BLTZ		(HI(1) | (0 << 16)) 
#define BNE		(HI(5)) 
#define BREAK		(HI(0) | LO(13)) 
#define CFC1		(HI(17) | (2 << 21)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define C_UEQ_S		(HI(17) | CMP_FMT_S | LO(3)) 
#define C_ULE_S		(HI(17) | CMP_FMT_S | LO(7)) 
#define C_ULT_S		(HI(17) | CMP_FMT_S | LO(5)) 
#define C_UN_S		(HI(17) | CMP_FMT_S | LO(1)) 
#define C_FD		(FD(TMP_FREG3)) 
#else /* !SLJIT_MIPS_R6 */ 
#define C_UEQ_S		(HI(17) | FMT_S | LO(51)) 
#define C_ULE_S		(HI(17) | FMT_S | LO(55)) 
#define C_ULT_S		(HI(17) | FMT_S | LO(53)) 
#define C_UN_S		(HI(17) | FMT_S | LO(49)) 
#define C_FD		(0) 
#endif /* SLJIT_MIPS_R6 */ 
#define CVT_S_S		(HI(17) | FMT_S | LO(32)) 
#define DADDIU		(HI(25)) 
#define DADDU		(HI(0) | LO(45)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define DDIV		(HI(0) | (2 << 6) | LO(30)) 
#define DDIVU		(HI(0) | (2 << 6) | LO(31)) 
#define DMOD		(HI(0) | (3 << 6) | LO(30)) 
#define DMODU		(HI(0) | (3 << 6) | LO(31)) 
#define DIV		(HI(0) | (2 << 6) | LO(26)) 
#define DIVU		(HI(0) | (2 << 6) | LO(27)) 
#define DMUH		(HI(0) | (3 << 6) | LO(28)) 
#define DMUHU		(HI(0) | (3 << 6) | LO(29)) 
#define DMUL		(HI(0) | (2 << 6) | LO(28)) 
#define DMULU		(HI(0) | (2 << 6) | LO(29)) 
#else /* !SLJIT_MIPS_R6 */ 
#define DDIV		(HI(0) | LO(30)) 
#define DDIVU		(HI(0) | LO(31)) 
#define DIV		(HI(0) | LO(26)) 
#define DIVU		(HI(0) | LO(27)) 
#define DMULT		(HI(0) | LO(28)) 
#define DMULTU		(HI(0) | LO(29)) 
#endif /* SLJIT_MIPS_R6 */ 
#define DIV_S		(HI(17) | FMT_S | LO(3)) 
#define DSLL		(HI(0) | LO(56)) 
#define DSLL32		(HI(0) | LO(60)) 
#define DSLLV		(HI(0) | LO(20)) 
#define DSRA		(HI(0) | LO(59)) 
#define DSRA32		(HI(0) | LO(63)) 
#define DSRAV		(HI(0) | LO(23)) 
#define DSRL		(HI(0) | LO(58)) 
#define DSRL32		(HI(0) | LO(62)) 
#define DSRLV		(HI(0) | LO(22)) 
#define DSUBU		(HI(0) | LO(47)) 
#define J		(HI(2)) 
#define JAL		(HI(3)) 
#define JALR		(HI(0) | LO(9)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define JR		(HI(0) | LO(9)) 
#else /* !SLJIT_MIPS_R6 */ 
#define JR		(HI(0) | LO(8)) 
#endif /* SLJIT_MIPS_R6 */ 
#define LD		(HI(55)) 
#define LUI		(HI(15)) 
#define LW		(HI(35)) 
#define MFC1		(HI(17)) 
#if !(defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define MFHI		(HI(0) | LO(16)) 
#define MFLO		(HI(0) | LO(18)) 
#else /* SLJIT_MIPS_R6 */ 
#define MOD		(HI(0) | (3 << 6) | LO(26)) 
#define MODU		(HI(0) | (3 << 6) | LO(27)) 
#endif /* !SLJIT_MIPS_R6 */ 
#define MOV_S		(HI(17) | FMT_S | LO(6)) 
#define MTC1		(HI(17) | (4 << 21)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define MUH		(HI(0) | (3 << 6) | LO(24)) 
#define MUHU		(HI(0) | (3 << 6) | LO(25)) 
#define MUL		(HI(0) | (2 << 6) | LO(24)) 
#define MULU		(HI(0) | (2 << 6) | LO(25)) 
#else /* !SLJIT_MIPS_R6 */ 
#define MULT		(HI(0) | LO(24)) 
#define MULTU		(HI(0) | LO(25)) 
#endif /* SLJIT_MIPS_R6 */ 
#define MUL_S		(HI(17) | FMT_S | LO(2)) 
#define NEG_S		(HI(17) | FMT_S | LO(7)) 
#define NOP		(HI(0) | LO(0)) 
#define NOR		(HI(0) | LO(39)) 
#define OR		(HI(0) | LO(37)) 
#define ORI		(HI(13)) 
#define SD		(HI(63)) 
#define SDC1		(HI(61)) 
#define SLT		(HI(0) | LO(42)) 
#define SLTI		(HI(10)) 
#define SLTIU		(HI(11)) 
#define SLTU		(HI(0) | LO(43)) 
#define SLL		(HI(0) | LO(0)) 
#define SLLV		(HI(0) | LO(4)) 
#define SRL		(HI(0) | LO(2)) 
#define SRLV		(HI(0) | LO(6)) 
#define SRA		(HI(0) | LO(3)) 
#define SRAV		(HI(0) | LO(7)) 
#define SUB_S		(HI(17) | FMT_S | LO(1)) 
#define SUBU		(HI(0) | LO(35)) 
#define SW		(HI(43)) 
#define SWC1		(HI(57)) 
#define TRUNC_W_S	(HI(17) | FMT_S | LO(13)) 
#define XOR		(HI(0) | LO(38)) 
#define XORI		(HI(14)) 
 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) || (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define CLZ		(HI(28) | LO(32)) 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#define DCLZ		(LO(18)) 
#else /* !SLJIT_MIPS_R6 */ 
#define DCLZ		(HI(28) | LO(36)) 
#define MOVF		(HI(0) | (0 << 16) | LO(1)) 
#define MOVN		(HI(0) | LO(11)) 
#define MOVT		(HI(0) | (1 << 16) | LO(1)) 
#define MOVZ		(HI(0) | LO(10)) 
#define MUL		(HI(28) | LO(2)) 
#endif /* SLJIT_MIPS_R6 */ 
#define PREF		(HI(51)) 
#define PREFX		(HI(19) | LO(15)) 
#define SEB		(HI(31) | (16 << 6) | LO(32)) 
#define SEH		(HI(31) | (24 << 6) | LO(32)) 
#endif 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#define ADDU_W		ADDU 
#define ADDIU_W		ADDIU 
#define SLL_W		SLL 
#define SUBU_W		SUBU 
#else 
#define ADDU_W		DADDU 
#define ADDIU_W		DADDIU 
#define SLL_W		DSLL 
#define SUBU_W		DSUBU 
#endif 
 
#define SIMM_MAX	(0x7fff) 
#define SIMM_MIN	(-0x8000) 
#define UIMM_MAX	(0xffff) 
 
/* dest_reg is the absolute name of the register 
   Useful for reordering instructions in the delay slot. */ 
static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot) 
{ 
	SLJIT_ASSERT(delay_slot == MOVABLE_INS || delay_slot >= UNMOVABLE_INS 
		|| delay_slot == ((ins >> 11) & 0x1f) || delay_slot == ((ins >> 16) & 0x1f)); 
	sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); 
	FAIL_IF(!ptr); 
	*ptr = ins; 
	compiler->size++; 
	compiler->delay_slot = delay_slot; 
	return SLJIT_SUCCESS; 
} 
 
static SLJIT_INLINE sljit_ins invert_branch(sljit_s32 flags) 
{ 
	if (flags & IS_BIT26_COND) 
		return (1 << 26); 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
	if (flags & IS_BIT23_COND) 
		return (1 << 23); 
#endif /* SLJIT_MIPS_R6 */ 
	return (1 << 16); 
} 
 
static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset) 
{ 
	sljit_sw diff; 
	sljit_uw target_addr; 
	sljit_ins *inst; 
	sljit_ins saved_inst; 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	if (jump->flags & (SLJIT_REWRITABLE_JUMP | IS_CALL)) 
		return code_ptr; 
#else 
	if (jump->flags & SLJIT_REWRITABLE_JUMP) 
		return code_ptr; 
#endif 
 
	if (jump->flags & JUMP_ADDR) 
		target_addr = jump->u.target; 
	else { 
		SLJIT_ASSERT(jump->flags & JUMP_LABEL); 
		target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset; 
	} 
 
	inst = (sljit_ins *)jump->addr; 
	if (jump->flags & IS_COND) 
		inst--; 
 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
	if (jump->flags & IS_CALL) 
		goto keep_address; 
#endif 
 
	/* B instructions. */ 
	if (jump->flags & IS_MOVABLE) { 
		diff = ((sljit_sw)target_addr - (sljit_sw)inst - executable_offset) >> 2; 
		if (diff <= SIMM_MAX && diff >= SIMM_MIN) { 
			jump->flags |= PATCH_B; 
 
			if (!(jump->flags & IS_COND)) { 
				inst[0] = inst[-1]; 
				inst[-1] = (jump->flags & IS_JAL) ? BAL : B; 
				jump->addr -= sizeof(sljit_ins); 
				return inst; 
			} 
			saved_inst = inst[0]; 
			inst[0] = inst[-1]; 
			inst[-1] = saved_inst ^ invert_branch(jump->flags); 
			jump->addr -= 2 * sizeof(sljit_ins); 
			return inst; 
		} 
	} 
	else { 
		diff = ((sljit_sw)target_addr - (sljit_sw)(inst + 1) - executable_offset) >> 2; 
		if (diff <= SIMM_MAX && diff >= SIMM_MIN) { 
			jump->flags |= PATCH_B; 
 
			if (!(jump->flags & IS_COND)) { 
				inst[0] = (jump->flags & IS_JAL) ? BAL : B; 
				inst[1] = NOP; 
				return inst + 1; 
			} 
			inst[0] = inst[0] ^ invert_branch(jump->flags); 
			inst[1] = NOP; 
			jump->addr -= sizeof(sljit_ins); 
			return inst + 1; 
		} 
	} 
 
	if (jump->flags & IS_COND) { 
		if ((jump->flags & IS_MOVABLE) && (target_addr & ~0xfffffff) == ((jump->addr + 2 * sizeof(sljit_ins)) & ~0xfffffff)) { 
			jump->flags |= PATCH_J; 
			saved_inst = inst[0]; 
			inst[0] = inst[-1]; 
			inst[-1] = (saved_inst & 0xffff0000) | 3; 
			inst[1] = J; 
			inst[2] = NOP; 
			return inst + 2; 
		} 
		else if ((target_addr & ~0xfffffff) == ((jump->addr + 3 * sizeof(sljit_ins)) & ~0xfffffff)) { 
			jump->flags |= PATCH_J; 
			inst[0] = (inst[0] & 0xffff0000) | 3; 
			inst[1] = NOP; 
			inst[2] = J; 
			inst[3] = NOP; 
			jump->addr += sizeof(sljit_ins); 
			return inst + 3; 
		} 
	} 
	else { 
		/* J instuctions. */ 
		if ((jump->flags & IS_MOVABLE) && (target_addr & ~0xfffffff) == (jump->addr & ~0xfffffff)) { 
			jump->flags |= PATCH_J; 
			inst[0] = inst[-1]; 
			inst[-1] = (jump->flags & IS_JAL) ? JAL : J; 
			jump->addr -= sizeof(sljit_ins); 
			return inst; 
		} 
 
		if ((target_addr & ~0xfffffff) == ((jump->addr + sizeof(sljit_ins)) & ~0xfffffff)) { 
			jump->flags |= PATCH_J; 
			inst[0] = (jump->flags & IS_JAL) ? JAL : J; 
			inst[1] = NOP; 
			return inst + 1; 
		} 
	} 
 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
keep_address: 
	if (target_addr <= 0x7fffffff) { 
		jump->flags |= PATCH_ABS32; 
		if (jump->flags & IS_COND) { 
			inst[0] -= 4; 
			inst++; 
		} 
		inst[2] = inst[6]; 
		inst[3] = inst[7]; 
		return inst + 3; 
	} 
	if (target_addr <= 0x7fffffffffffl) { 
		jump->flags |= PATCH_ABS48; 
		if (jump->flags & IS_COND) { 
			inst[0] -= 2; 
			inst++; 
		} 
		inst[4] = inst[6]; 
		inst[5] = inst[7]; 
		return inst + 5; 
	} 
#endif 
 
	return code_ptr; 
} 
 
#ifdef __GNUC__ 
static __attribute__ ((noinline)) void sljit_cache_flush(void* code, void* code_ptr) 
{ 
	SLJIT_CACHE_FLUSH(code, code_ptr); 
} 
#endif 
 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
 
static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label) 
{ 
	if (max_label < 0x80000000l) { 
		put_label->flags = 0; 
		return 1; 
	} 
 
	if (max_label < 0x800000000000l) { 
		put_label->flags = 1; 
		return 3; 
	} 
 
	put_label->flags = 2; 
	return 5; 
} 
 
static SLJIT_INLINE void put_label_set(struct sljit_put_label *put_label) 
{ 
	sljit_uw addr = put_label->label->addr; 
	sljit_ins *inst = (sljit_ins *)put_label->addr; 
	sljit_s32 reg = *inst; 
 
	if (put_label->flags == 0) { 
		SLJIT_ASSERT(addr < 0x80000000l); 
		inst[0] = LUI | T(reg) | IMM(addr >> 16); 
	} 
	else if (put_label->flags == 1) { 
		SLJIT_ASSERT(addr < 0x800000000000l); 
		inst[0] = LUI | T(reg) | IMM(addr >> 32); 
		inst[1] = ORI | S(reg) | T(reg) | IMM((addr >> 16) & 0xffff); 
		inst[2] = DSLL | T(reg) | D(reg) | SH_IMM(16); 
		inst += 2; 
	} 
	else { 
		inst[0] = LUI | T(reg) | IMM(addr >> 48); 
		inst[1] = ORI | S(reg) | T(reg) | IMM((addr >> 32) & 0xffff); 
		inst[2] = DSLL | T(reg) | D(reg) | SH_IMM(16); 
		inst[3] = ORI | S(reg) | T(reg) | IMM((addr >> 16) & 0xffff); 
		inst[4] = DSLL | T(reg) | D(reg) | SH_IMM(16); 
		inst += 4; 
	} 
 
	inst[1] = ORI | S(reg) | T(reg) | IMM(addr & 0xffff); 
} 
 
#endif 
 
SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) 
{ 
	struct sljit_memory_fragment *buf; 
	sljit_ins *code; 
	sljit_ins *code_ptr; 
	sljit_ins *buf_ptr; 
	sljit_ins *buf_end; 
	sljit_uw word_count; 
	sljit_uw next_addr; 
	sljit_sw executable_offset; 
	sljit_uw addr; 
 
	struct sljit_label *label; 
	struct sljit_jump *jump; 
	struct sljit_const *const_; 
	struct sljit_put_label *put_label; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_generate_code(compiler)); 
	reverse_buf(compiler); 
 
	code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); 
	PTR_FAIL_WITH_EXEC_IF(code); 
	buf = compiler->buf; 
 
	code_ptr = code; 
	word_count = 0; 
	next_addr = 0; 
	executable_offset = SLJIT_EXEC_OFFSET(code); 
 
	label = compiler->labels; 
	jump = compiler->jumps; 
	const_ = compiler->consts; 
	put_label = compiler->put_labels; 
 
	do { 
		buf_ptr = (sljit_ins*)buf->memory; 
		buf_end = buf_ptr + (buf->used_size >> 2); 
		do { 
			*code_ptr = *buf_ptr++; 
			if (next_addr == word_count) { 
				SLJIT_ASSERT(!label || label->size >= word_count); 
				SLJIT_ASSERT(!jump || jump->addr >= word_count); 
				SLJIT_ASSERT(!const_ || const_->addr >= word_count); 
				SLJIT_ASSERT(!put_label || put_label->addr >= word_count); 
 
				/* These structures are ordered by their address. */ 
				if (label && label->size == word_count) { 
					label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 
					label->size = code_ptr - code; 
					label = label->next; 
				} 
				if (jump && jump->addr == word_count) { 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
					jump->addr = (sljit_uw)(code_ptr - 3); 
#else 
					jump->addr = (sljit_uw)(code_ptr - 7); 
#endif 
					code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset); 
					jump = jump->next; 
				} 
				if (const_ && const_->addr == word_count) { 
					const_->addr = (sljit_uw)code_ptr; 
					const_ = const_->next; 
				} 
				if (put_label && put_label->addr == word_count) { 
					SLJIT_ASSERT(put_label->label); 
					put_label->addr = (sljit_uw)code_ptr; 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
					code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size)); 
					word_count += 5; 
#endif 
					put_label = put_label->next; 
				} 
				next_addr = compute_next_addr(label, jump, const_, put_label); 
			} 
			code_ptr ++; 
			word_count ++; 
		} while (buf_ptr < buf_end); 
 
		buf = buf->next; 
	} while (buf); 
 
	if (label && label->size == word_count) { 
		label->addr = (sljit_uw)code_ptr; 
		label->size = code_ptr - code; 
		label = label->next; 
	} 
 
	SLJIT_ASSERT(!label); 
	SLJIT_ASSERT(!jump); 
	SLJIT_ASSERT(!const_); 
	SLJIT_ASSERT(!put_label); 
	SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); 
 
	jump = compiler->jumps; 
	while (jump) { 
		do { 
			addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; 
			buf_ptr = (sljit_ins *)jump->addr; 
 
			if (jump->flags & PATCH_B) { 
				addr = (sljit_sw)(addr - ((sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset) + sizeof(sljit_ins))) >> 2; 
				SLJIT_ASSERT((sljit_sw)addr <= SIMM_MAX && (sljit_sw)addr >= SIMM_MIN); 
				buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | (addr & 0xffff); 
				break; 
			} 
			if (jump->flags & PATCH_J) { 
				SLJIT_ASSERT((addr & ~0xfffffff) == (((sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset) + sizeof(sljit_ins)) & ~0xfffffff)); 
				buf_ptr[0] |= (addr >> 2) & 0x03ffffff; 
				break; 
			} 
 
			/* Set the fields of immediate loads. */ 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
			buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); 
			buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); 
#else 
			if (jump->flags & PATCH_ABS32) { 
				SLJIT_ASSERT(addr <= 0x7fffffff); 
				buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); 
				buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); 
			} 
			else if (jump->flags & PATCH_ABS48) { 
				SLJIT_ASSERT(addr <= 0x7fffffffffffl); 
				buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 32) & 0xffff); 
				buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 16) & 0xffff); 
				buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | (addr & 0xffff); 
			} 
			else { 
				buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff); 
				buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff); 
				buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff); 
				buf_ptr[5] = (buf_ptr[5] & 0xffff0000) | (addr & 0xffff); 
			} 
#endif 
		} while (0); 
		jump = jump->next; 
	} 
 
	put_label = compiler->put_labels; 
	while (put_label) { 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
		addr = put_label->label->addr; 
		buf_ptr = (sljit_ins *)put_label->addr; 
 
		SLJIT_ASSERT((buf_ptr[0] & 0xffe00000) == LUI && (buf_ptr[1] & 0xfc000000) == ORI); 
		buf_ptr[0] |= (addr >> 16) & 0xffff; 
		buf_ptr[1] |= addr & 0xffff; 
#else 
		put_label_set(put_label); 
#endif 
		put_label = put_label->next; 
	} 
 
	compiler->error = SLJIT_ERR_COMPILED; 
	compiler->executable_offset = executable_offset; 
	compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins); 
 
	code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); 
	code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 
 
#ifndef __GNUC__ 
	SLJIT_CACHE_FLUSH(code, code_ptr); 
#else 
	/* GCC workaround for invalid code generation with -O2. */ 
	sljit_cache_flush(code, code_ptr); 
#endif 
	return code; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) 
{ 
	sljit_sw fir = 0; 
 
	switch (feature_type) { 
	case SLJIT_HAS_FPU: 
#ifdef SLJIT_IS_FPU_AVAILABLE 
		return SLJIT_IS_FPU_AVAILABLE; 
#elif defined(__GNUC__) 
		asm ("cfc1 %0, $0" : "=r"(fir)); 
		return (fir >> 22) & 0x1; 
#else 
#error "FIR check is not implemented for this architecture" 
#endif 
 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
	case SLJIT_HAS_CLZ: 
	case SLJIT_HAS_CMOV: 
		return 1; 
#endif 
 
	default: 
		return fir; 
	} 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Entry, exit                                                          */ 
/* --------------------------------------------------------------------- */ 
 
/* Creates an index in data_transfer_insts array. */ 
#define LOAD_DATA	0x01 
#define WORD_DATA	0x00 
#define BYTE_DATA	0x02 
#define HALF_DATA	0x04 
#define INT_DATA	0x06 
#define SIGNED_DATA	0x08 
/* Separates integer and floating point registers */ 
#define GPR_REG		0x0f 
#define DOUBLE_DATA	0x10 
#define SINGLE_DATA	0x12 
 
#define MEM_MASK	0x1f 
 
#define ARG_TEST	0x00020 
#define ALT_KEEP_CACHE	0x00040 
#define CUMULATIVE_OP	0x00080 
#define LOGICAL_OP	0x00100 
#define IMM_OP		0x00200 
#define SRC2_IMM	0x00400 
 
#define UNUSED_DEST	0x00800 
#define REG_DEST	0x01000 
#define REG1_SOURCE	0x02000 
#define REG2_SOURCE	0x04000 
#define SLOW_SRC1	0x08000 
#define SLOW_SRC2	0x10000 
#define SLOW_DEST	0x20000 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#define STACK_STORE	SW 
#define STACK_LOAD	LW 
#else 
#define STACK_STORE	SD 
#define STACK_LOAD	LD 
#endif 
 
static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw); 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#include "sljitNativeMIPS_32.c" 
#else 
#include "sljitNativeMIPS_64.c" 
#endif 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler, 
	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, 
	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 
{ 
	sljit_ins base; 
	sljit_s32 args, i, tmp, offs; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); 
	set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); 
 
	local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	local_size = (local_size + 15) & ~0xf; 
#else 
	local_size = (local_size + 31) & ~0x1f; 
#endif 
	compiler->local_size = local_size; 
 
	if (local_size <= SIMM_MAX) { 
		/* Frequent case. */ 
		FAIL_IF(push_inst(compiler, ADDIU_W | S(SLJIT_SP) | T(SLJIT_SP) | IMM(-local_size), DR(SLJIT_SP))); 
		base = S(SLJIT_SP); 
		offs = local_size - (sljit_sw)sizeof(sljit_sw); 
	} 
	else { 
		FAIL_IF(load_immediate(compiler, DR(OTHER_FLAG), local_size)); 
		FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_SP) | TA(0) | D(TMP_REG2), DR(TMP_REG2))); 
		FAIL_IF(push_inst(compiler, SUBU_W | S(SLJIT_SP) | T(OTHER_FLAG) | D(SLJIT_SP), DR(SLJIT_SP))); 
		base = S(TMP_REG2); 
		local_size = 0; 
		offs = -(sljit_sw)sizeof(sljit_sw); 
	} 
 
	FAIL_IF(push_inst(compiler, STACK_STORE | base | TA(RETURN_ADDR_REG) | IMM(offs), MOVABLE_INS)); 
 
	tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG; 
	for (i = SLJIT_S0; i >= tmp; i--) { 
		offs -= (sljit_s32)(sizeof(sljit_sw)); 
		FAIL_IF(push_inst(compiler, STACK_STORE | base | T(i) | IMM(offs), MOVABLE_INS)); 
	} 
 
	for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { 
		offs -= (sljit_s32)(sizeof(sljit_sw)); 
		FAIL_IF(push_inst(compiler, STACK_STORE | base | T(i) | IMM(offs), MOVABLE_INS)); 
	} 
 
	args = get_arg_count(arg_types); 
 
	if (args >= 1) 
		FAIL_IF(push_inst(compiler, ADDU_W | SA(4) | TA(0) | D(SLJIT_S0), DR(SLJIT_S0))); 
	if (args >= 2) 
		FAIL_IF(push_inst(compiler, ADDU_W | SA(5) | TA(0) | D(SLJIT_S1), DR(SLJIT_S1))); 
	if (args >= 3) 
		FAIL_IF(push_inst(compiler, ADDU_W | SA(6) | TA(0) | D(SLJIT_S2), DR(SLJIT_S2))); 
 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler, 
	sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, 
	sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); 
	set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); 
 
	local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	compiler->local_size = (local_size + 15) & ~0xf; 
#else 
	compiler->local_size = (local_size + 31) & ~0x1f; 
#endif 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) 
{ 
	sljit_s32 local_size, i, tmp, offs; 
	sljit_ins base; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 
 
	FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 
 
	local_size = compiler->local_size; 
	if (local_size <= SIMM_MAX) 
		base = S(SLJIT_SP); 
	else { 
		FAIL_IF(load_immediate(compiler, DR(TMP_REG1), local_size)); 
		FAIL_IF(push_inst(compiler, ADDU_W | S(SLJIT_SP) | T(TMP_REG1) | D(TMP_REG1), DR(TMP_REG1))); 
		base = S(TMP_REG1); 
		local_size = 0; 
	} 
 
	FAIL_IF(push_inst(compiler, STACK_LOAD | base | TA(RETURN_ADDR_REG) | IMM(local_size - (sljit_s32)sizeof(sljit_sw)), RETURN_ADDR_REG)); 
	offs = local_size - (sljit_s32)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1); 
 
	tmp = compiler->scratches; 
	for (i = SLJIT_FIRST_SAVED_REG; i <= tmp; i++) { 
		FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(i) | IMM(offs), DR(i))); 
		offs += (sljit_s32)(sizeof(sljit_sw)); 
	} 
 
	tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG; 
	for (i = tmp; i <= SLJIT_S0; i++) { 
		FAIL_IF(push_inst(compiler, STACK_LOAD | base | T(i) | IMM(offs), DR(i))); 
		offs += (sljit_s32)(sizeof(sljit_sw)); 
	} 
 
	SLJIT_ASSERT(offs == local_size - (sljit_sw)(sizeof(sljit_sw))); 
 
	FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS)); 
	if (compiler->local_size <= SIMM_MAX) 
		return push_inst(compiler, ADDIU_W | S(SLJIT_SP) | T(SLJIT_SP) | IMM(compiler->local_size), UNMOVABLE_INS); 
	else 
		return push_inst(compiler, ADDU_W | S(TMP_REG1) | TA(0) | D(SLJIT_SP), UNMOVABLE_INS); 
} 
 
#undef STACK_STORE 
#undef STACK_LOAD 
 
/* --------------------------------------------------------------------- */ 
/*  Operators                                                            */ 
/* --------------------------------------------------------------------- */ 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#define ARCH_32_64(a, b)	a 
#else 
#define ARCH_32_64(a, b)	b 
#endif 
 
static const sljit_ins data_transfer_insts[16 + 4] = { 
/* u w s */ ARCH_32_64(HI(43) /* sw */, HI(63) /* sd */), 
/* u w l */ ARCH_32_64(HI(35) /* lw */, HI(55) /* ld */), 
/* u b s */ HI(40) /* sb */, 
/* u b l */ HI(36) /* lbu */, 
/* u h s */ HI(41) /* sh */, 
/* u h l */ HI(37) /* lhu */, 
/* u i s */ HI(43) /* sw */, 
/* u i l */ ARCH_32_64(HI(35) /* lw */, HI(39) /* lwu */), 
 
/* s w s */ ARCH_32_64(HI(43) /* sw */, HI(63) /* sd */), 
/* s w l */ ARCH_32_64(HI(35) /* lw */, HI(55) /* ld */), 
/* s b s */ HI(40) /* sb */, 
/* s b l */ HI(32) /* lb */, 
/* s h s */ HI(41) /* sh */, 
/* s h l */ HI(33) /* lh */, 
/* s i s */ HI(43) /* sw */, 
/* s i l */ HI(35) /* lw */, 
 
/* d   s */ HI(61) /* sdc1 */, 
/* d   l */ HI(53) /* ldc1 */, 
/* s   s */ HI(57) /* swc1 */, 
/* s   l */ HI(49) /* lwc1 */, 
}; 
 
#undef ARCH_32_64 
 
/* reg_ar is an absoulute register! */ 
 
/* Can perform an operation using at most 1 instruction. */ 
static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw) 
{ 
	SLJIT_ASSERT(arg & SLJIT_MEM); 
 
	if (!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN) { 
		/* Works for both absoulte and relative addresses. */ 
		if (SLJIT_UNLIKELY(flags & ARG_TEST)) 
			return 1; 
		FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(arg & REG_MASK) 
			| TA(reg_ar) | IMM(argw), ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? reg_ar : MOVABLE_INS)); 
		return -1; 
	} 
	return 0; 
} 
 
/* See getput_arg below. 
   Note: can_cache is called only for binary operators. Those 
   operators always uses word arguments without write back. */ 
static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 
{ 
	SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM)); 
 
	/* Simple operation except for updates. */ 
	if (arg & OFFS_REG_MASK) { 
		argw &= 0x3; 
		next_argw &= 0x3; 
		if (argw && argw == next_argw && (arg == next_arg || (arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK))) 
			return 1; 
		return 0; 
	} 
 
	if (arg == next_arg) { 
		if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN)) 
			return 1; 
		return 0; 
	} 
 
	return 0; 
} 
 
/* Emit the necessary instructions. See can_cache above. */ 
static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw) 
{ 
	sljit_s32 tmp_ar, base, delay_slot; 
 
	SLJIT_ASSERT(arg & SLJIT_MEM); 
	if (!(next_arg & SLJIT_MEM)) { 
		next_arg = 0; 
		next_argw = 0; 
	} 
 
	if ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) { 
		tmp_ar = reg_ar; 
		delay_slot = reg_ar; 
	} 
	else { 
		tmp_ar = DR(TMP_REG1); 
		delay_slot = MOVABLE_INS; 
	} 
	base = arg & REG_MASK; 
 
	if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 
		argw &= 0x3; 
 
		/* Using the cache. */ 
		if (argw == compiler->cache_argw) { 
			if (arg == compiler->cache_arg) 
				return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 
 
			if ((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) { 
				if (arg == next_arg && argw == (next_argw & 0x3)) { 
					compiler->cache_arg = arg; 
					compiler->cache_argw = argw; 
					FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | D(TMP_REG3), DR(TMP_REG3))); 
					return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 
				} 
				FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(TMP_REG3) | DA(tmp_ar), tmp_ar)); 
				return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 
			} 
		} 
 
		if (SLJIT_UNLIKELY(argw)) { 
			compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK); 
			compiler->cache_argw = argw; 
			FAIL_IF(push_inst(compiler, SLL_W | T(OFFS_REG(arg)) | D(TMP_REG3) | SH_IMM(argw), DR(TMP_REG3))); 
		} 
 
		if (arg == next_arg && argw == (next_argw & 0x3)) { 
			compiler->cache_arg = arg; 
			compiler->cache_argw = argw; 
			FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? OFFS_REG(arg) : TMP_REG3) | D(TMP_REG3), DR(TMP_REG3))); 
			tmp_ar = DR(TMP_REG3); 
		} 
		else 
			FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(!argw ? OFFS_REG(arg) : TMP_REG3) | DA(tmp_ar), tmp_ar)); 
		return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 
	} 
 
	if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) { 
		if (argw != compiler->cache_argw) { 
			FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 
			compiler->cache_argw = argw; 
		} 
		return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 
	} 
 
	if (compiler->cache_arg == SLJIT_MEM && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) { 
		if (argw != compiler->cache_argw) 
			FAIL_IF(push_inst(compiler, ADDIU_W | S(TMP_REG3) | T(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3))); 
	} 
	else { 
		compiler->cache_arg = SLJIT_MEM; 
		FAIL_IF(load_immediate(compiler, DR(TMP_REG3), argw)); 
	} 
	compiler->cache_argw = argw; 
 
	if (!base) 
		return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 
 
	if (arg == next_arg && next_argw - argw <= SIMM_MAX && next_argw - argw >= SIMM_MIN) { 
		compiler->cache_arg = arg; 
		FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | D(TMP_REG3), DR(TMP_REG3))); 
		return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | S(TMP_REG3) | TA(reg_ar), delay_slot); 
	} 
 
	FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | T(base) | DA(tmp_ar), tmp_ar)); 
	return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 
} 
 
static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg_ar, sljit_s32 arg, sljit_sw argw) 
{ 
	sljit_s32 tmp_ar, base, delay_slot; 
 
	if (getput_arg_fast(compiler, flags, reg_ar, arg, argw)) 
		return compiler->error; 
 
	if ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) { 
		tmp_ar = reg_ar; 
		delay_slot = reg_ar; 
	} 
	else { 
		tmp_ar = DR(TMP_REG1); 
		delay_slot = MOVABLE_INS; 
	} 
	base = arg & REG_MASK; 
 
	if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 
		argw &= 0x3; 
 
		if (SLJIT_UNLIKELY(argw)) { 
			FAIL_IF(push_inst(compiler, SLL_W | T(OFFS_REG(arg)) | DA(tmp_ar) | SH_IMM(argw), tmp_ar)); 
			FAIL_IF(push_inst(compiler, ADDU_W | S(base) | TA(tmp_ar) | DA(tmp_ar), tmp_ar)); 
		} 
		else 
			FAIL_IF(push_inst(compiler, ADDU_W | S(base) | T(OFFS_REG(arg)) | DA(tmp_ar), tmp_ar)); 
		return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 
	} 
 
	FAIL_IF(load_immediate(compiler, tmp_ar, argw)); 
 
	if (base != 0) 
		FAIL_IF(push_inst(compiler, ADDU_W | S(base) | TA(tmp_ar) | DA(tmp_ar), tmp_ar)); 
 
	return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | SA(tmp_ar) | TA(reg_ar), delay_slot); 
} 
 
static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w) 
{ 
	if (getput_arg_fast(compiler, flags, reg, arg1, arg1w)) 
		return compiler->error; 
	return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w); 
} 
 
static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src1, sljit_sw src1w, 
	sljit_s32 src2, sljit_sw src2w) 
{ 
	/* arg1 goes to TMP_REG1 or src reg 
	   arg2 goes to TMP_REG2, imm or src reg 
	   TMP_REG3 can be used for caching 
	   result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ 
	sljit_s32 dst_r = TMP_REG2; 
	sljit_s32 src1_r; 
	sljit_sw src2_r = 0; 
	sljit_s32 sugg_src2_r = TMP_REG2; 
 
	if (!(flags & ALT_KEEP_CACHE)) { 
		compiler->cache_arg = 0; 
		compiler->cache_argw = 0; 
	} 
 
	if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) { 
		SLJIT_ASSERT(HAS_FLAGS(op)); 
		flags |= UNUSED_DEST; 
	} 
	else if (FAST_IS_REG(dst)) { 
		dst_r = dst; 
		flags |= REG_DEST; 
		if (op >= SLJIT_MOV && op <= SLJIT_MOV_P) 
			sugg_src2_r = dst_r; 
	} 
	else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, DR(TMP_REG1), dst, dstw)) 
		flags |= SLOW_DEST; 
 
	if (flags & IMM_OP) { 
		if ((src2 & SLJIT_IMM) && src2w) { 
			if ((!(flags & LOGICAL_OP) && (src2w <= SIMM_MAX && src2w >= SIMM_MIN)) 
				|| ((flags & LOGICAL_OP) && !(src2w & ~UIMM_MAX))) { 
				flags |= SRC2_IMM; 
				src2_r = src2w; 
			} 
		} 
		if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) { 
			if ((!(flags & LOGICAL_OP) && (src1w <= SIMM_MAX && src1w >= SIMM_MIN)) 
				|| ((flags & LOGICAL_OP) && !(src1w & ~UIMM_MAX))) { 
				flags |= SRC2_IMM; 
				src2_r = src1w; 
 
				/* And swap arguments. */ 
				src1 = src2; 
				src1w = src2w; 
				src2 = SLJIT_IMM; 
				/* src2w = src2_r unneeded. */ 
			} 
		} 
	} 
 
	/* Source 1. */ 
	if (FAST_IS_REG(src1)) { 
		src1_r = src1; 
		flags |= REG1_SOURCE; 
	} 
	else if (src1 & SLJIT_IMM) { 
		if (src1w) { 
			FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w)); 
			src1_r = TMP_REG1; 
		} 
		else 
			src1_r = 0; 
	} 
	else { 
		if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w)) 
			FAIL_IF(compiler->error); 
		else 
			flags |= SLOW_SRC1; 
		src1_r = TMP_REG1; 
	} 
 
	/* Source 2. */ 
	if (FAST_IS_REG(src2)) { 
		src2_r = src2; 
		flags |= REG2_SOURCE; 
		if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P) 
			dst_r = src2_r; 
	} 
	else if (src2 & SLJIT_IMM) { 
		if (!(flags & SRC2_IMM)) { 
			if (src2w) { 
				FAIL_IF(load_immediate(compiler, DR(sugg_src2_r), src2w)); 
				src2_r = sugg_src2_r; 
			} 
			else { 
				src2_r = 0; 
				if ((op >= SLJIT_MOV && op <= SLJIT_MOV_P) && (dst & SLJIT_MEM)) 
					dst_r = 0; 
			} 
		} 
	} 
	else { 
		if (getput_arg_fast(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w)) 
			FAIL_IF(compiler->error); 
		else 
			flags |= SLOW_SRC2; 
		src2_r = sugg_src2_r; 
	} 
 
	if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 
		SLJIT_ASSERT(src2_r == TMP_REG2); 
		if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 
			FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, src1, src1w)); 
			FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw)); 
		} 
		else { 
			FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, src2, src2w)); 
			FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG2), src2, src2w, dst, dstw)); 
		} 
	} 
	else if (flags & SLOW_SRC1) 
		FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(TMP_REG1), src1, src1w, dst, dstw)); 
	else if (flags & SLOW_SRC2) 
		FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, DR(sugg_src2_r), src2, src2w, dst, dstw)); 
 
	FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 
 
	if (dst & SLJIT_MEM) { 
		if (!(flags & SLOW_DEST)) { 
			getput_arg_fast(compiler, flags, DR(dst_r), dst, dstw); 
			return compiler->error; 
		} 
		return getput_arg(compiler, flags, DR(dst_r), dst, dstw, 0, 0); 
	} 
 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) 
{ 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
	sljit_s32 int_op = op & SLJIT_I32_OP; 
#endif 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op0(compiler, op)); 
 
	op = GET_OPCODE(op); 
	switch (op) { 
	case SLJIT_BREAKPOINT: 
		return push_inst(compiler, BREAK, UNMOVABLE_INS); 
	case SLJIT_NOP: 
		return push_inst(compiler, NOP, UNMOVABLE_INS); 
	case SLJIT_LMUL_UW: 
	case SLJIT_LMUL_SW: 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? DMULU : DMUL) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG3), DR(TMP_REG3))); 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? DMUHU : DMUH) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG1), DR(TMP_REG1))); 
#else /* !SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? MULU : MUL) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG3), DR(TMP_REG3))); 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? MUHU : MUH) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG1), DR(TMP_REG1))); 
#endif /* SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | TA(0) | D(SLJIT_R0), DR(SLJIT_R0))); 
		return push_inst(compiler, ADDU_W | S(TMP_REG1) | TA(0) | D(SLJIT_R1), DR(SLJIT_R1)); 
#else /* !SLJIT_MIPS_R6 */ 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? DMULTU : DMULT) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 
#else /* !SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? MULTU : MULT) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 
#endif /* SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, MFLO | D(SLJIT_R0), DR(SLJIT_R0))); 
		return push_inst(compiler, MFHI | D(SLJIT_R1), DR(SLJIT_R1)); 
#endif /* SLJIT_MIPS_R6 */ 
	case SLJIT_DIVMOD_UW: 
	case SLJIT_DIVMOD_SW: 
	case SLJIT_DIV_UW: 
	case SLJIT_DIV_SW: 
		SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments); 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
		if (int_op) { 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG3), DR(TMP_REG3))); 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? MODU : MOD) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG1), DR(TMP_REG1))); 
		} 
		else { 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DDIVU : DDIV) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG3), DR(TMP_REG3))); 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DMODU : DMOD) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG1), DR(TMP_REG1))); 
		} 
#else /* !SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG3), DR(TMP_REG3))); 
		FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? MODU : MOD) | S(SLJIT_R0) | T(SLJIT_R1) | D(TMP_REG1), DR(TMP_REG1))); 
#endif /* SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, ADDU_W | S(TMP_REG3) | TA(0) | D(SLJIT_R0), DR(SLJIT_R0))); 
		return (op >= SLJIT_DIV_UW) ? SLJIT_SUCCESS : push_inst(compiler, ADDU_W | S(TMP_REG1) | TA(0) | D(SLJIT_R1), DR(SLJIT_R1)); 
#else /* !SLJIT_MIPS_R6 */ 
#if !(defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
		FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 
		FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 
#endif /* !SLJIT_MIPS_R1 */ 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
		if (int_op) 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 
		else 
			FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DDIVU : DDIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 
#else /* !SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? DIVU : DIV) | S(SLJIT_R0) | T(SLJIT_R1), MOVABLE_INS)); 
#endif /* SLJIT_CONFIG_MIPS_64 */ 
		FAIL_IF(push_inst(compiler, MFLO | D(SLJIT_R0), DR(SLJIT_R0))); 
		return (op >= SLJIT_DIV_UW) ? SLJIT_SUCCESS : push_inst(compiler, MFHI | D(SLJIT_R1), DR(SLJIT_R1)); 
#endif /* SLJIT_MIPS_R6 */ 
	} 
 
	return SLJIT_SUCCESS; 
} 
 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
static sljit_s32 emit_prefetch(struct sljit_compiler *compiler, 
        sljit_s32 src, sljit_sw srcw) 
{ 
	if (!(src & OFFS_REG_MASK)) { 
		if (srcw <= SIMM_MAX && srcw >= SIMM_MIN) 
			return push_inst(compiler, PREF | S(src & REG_MASK) | IMM(srcw), MOVABLE_INS); 
 
		FAIL_IF(load_immediate(compiler, DR(TMP_REG1), srcw)); 
		return push_inst(compiler, PREFX | S(src & REG_MASK) | T(TMP_REG1), MOVABLE_INS); 
	} 
 
	srcw &= 0x3; 
 
	if (SLJIT_UNLIKELY(srcw != 0)) { 
		FAIL_IF(push_inst(compiler, SLL_W | T(OFFS_REG(src)) | D(TMP_REG1) | SH_IMM(srcw), DR(TMP_REG1))); 
		return push_inst(compiler, PREFX | S(src & REG_MASK) | T(TMP_REG1), MOVABLE_INS); 
	} 
 
	return push_inst(compiler, PREFX | S(src & REG_MASK) | T(OFFS_REG(src)), MOVABLE_INS); 
} 
#endif 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src, sljit_sw srcw) 
{ 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	define flags 0 
#else 
	sljit_s32 flags = 0; 
#endif 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
	ADJUST_LOCAL_OFFSET(src, srcw); 
 
	if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) { 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
		if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) 
			return emit_prefetch(compiler, src, srcw); 
#endif 
		return SLJIT_SUCCESS; 
	} 
 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
	if ((op & SLJIT_I32_OP) && GET_OPCODE(op) >= SLJIT_NOT) 
		flags |= INT_DATA | SIGNED_DATA; 
#endif 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_MOV: 
	case SLJIT_MOV_P: 
		return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 
 
	case SLJIT_MOV_U32: 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
		return emit_op(compiler, SLJIT_MOV_U32, INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 
#else 
		return emit_op(compiler, SLJIT_MOV_U32, INT_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u32)srcw : srcw); 
#endif 
 
	case SLJIT_MOV_S32: 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
		return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 
#else 
		return emit_op(compiler, SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s32)srcw : srcw); 
#endif 
 
	case SLJIT_MOV_U8: 
		return emit_op(compiler, SLJIT_MOV_U8, BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); 
 
	case SLJIT_MOV_S8: 
		return emit_op(compiler, SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); 
 
	case SLJIT_MOV_U16: 
		return emit_op(compiler, SLJIT_MOV_U16, HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); 
 
	case SLJIT_MOV_S16: 
		return emit_op(compiler, SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); 
 
	case SLJIT_NOT: 
		return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 
 
	case SLJIT_NEG: 
		return emit_op(compiler, SLJIT_SUB | GET_ALL_FLAGS(op), flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw); 
 
	case SLJIT_CLZ: 
		return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw); 
	} 
 
	SLJIT_UNREACHABLE(); 
	return SLJIT_SUCCESS; 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	undef flags 
#endif 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src1, sljit_sw src1w, 
	sljit_s32 src2, sljit_sw src2w) 
{ 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	define flags 0 
#else 
	sljit_s32 flags = 0; 
#endif 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
	ADJUST_LOCAL_OFFSET(src1, src1w); 
	ADJUST_LOCAL_OFFSET(src2, src2w); 
 
	if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) 
		return SLJIT_SUCCESS; 
 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
	if (op & SLJIT_I32_OP) { 
		flags |= INT_DATA | SIGNED_DATA; 
		if (src1 & SLJIT_IMM) 
			src1w = (sljit_s32)src1w; 
		if (src2 & SLJIT_IMM) 
			src2w = (sljit_s32)src2w; 
	} 
#endif 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_ADD: 
	case SLJIT_ADDC: 
		return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_SUB: 
	case SLJIT_SUBC: 
		return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_MUL: 
		return emit_op(compiler, op, flags | CUMULATIVE_OP, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_AND: 
	case SLJIT_OR: 
	case SLJIT_XOR: 
		return emit_op(compiler, op, flags | CUMULATIVE_OP | LOGICAL_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_SHL: 
	case SLJIT_LSHR: 
	case SLJIT_ASHR: 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
		if (src2 & SLJIT_IMM) 
			src2w &= 0x1f; 
#else 
		if (src2 & SLJIT_IMM) { 
			if (op & SLJIT_I32_OP) 
				src2w &= 0x1f; 
			else 
				src2w &= 0x3f; 
		} 
#endif 
		return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w); 
	} 
 
	SLJIT_UNREACHABLE(); 
	return SLJIT_SUCCESS; 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	undef flags 
#endif 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) 
{ 
	CHECK_REG_INDEX(check_sljit_get_register_index(reg)); 
	return reg_map[reg]; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) 
{ 
	CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); 
	return FR(reg); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, 
	void *instruction, sljit_s32 size) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); 
 
	return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS); 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Floating point operators                                             */ 
/* --------------------------------------------------------------------- */ 
 
#define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7)) 
#define FMT(op) (((op & SLJIT_F32_OP) ^ SLJIT_F32_OP) << (21 - 8)) 
 
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src, sljit_sw srcw) 
{ 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	define flags 0 
#else 
	sljit_s32 flags = (GET_OPCODE(op) == SLJIT_CONV_SW_FROM_F64) << 21; 
#endif 
 
	if (src & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src, srcw, dst, dstw)); 
		src = TMP_FREG1; 
	} 
 
	FAIL_IF(push_inst(compiler, (TRUNC_W_S ^ (flags >> 19)) | FMT(op) | FS(src) | FD(TMP_FREG1), MOVABLE_INS)); 
 
	if (FAST_IS_REG(dst)) 
		return push_inst(compiler, MFC1 | flags | T(dst) | FS(TMP_FREG1), MOVABLE_INS); 
 
	/* Store the integer value from a VFP register. */ 
	return emit_op_mem2(compiler, flags ? DOUBLE_DATA : SINGLE_DATA, FR(TMP_FREG1), dst, dstw, 0, 0); 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	undef is_long 
#endif 
} 
 
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src, sljit_sw srcw) 
{ 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	define flags 0 
#else 
	sljit_s32 flags = (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_SW) << 21; 
#endif 
 
	sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; 
 
	if (FAST_IS_REG(src)) 
		FAIL_IF(push_inst(compiler, MTC1 | flags | T(src) | FS(TMP_FREG1), MOVABLE_INS)); 
	else if (src & SLJIT_MEM) { 
		/* Load the integer value into a VFP register. */ 
		FAIL_IF(emit_op_mem2(compiler, ((flags) ? DOUBLE_DATA : SINGLE_DATA) | LOAD_DATA, FR(TMP_FREG1), src, srcw, dst, dstw)); 
	} 
	else { 
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) 
		if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) 
			srcw = (sljit_s32)srcw; 
#endif 
		FAIL_IF(load_immediate(compiler, DR(TMP_REG1), srcw)); 
		FAIL_IF(push_inst(compiler, MTC1 | flags | T(TMP_REG1) | FS(TMP_FREG1), MOVABLE_INS)); 
	} 
 
	FAIL_IF(push_inst(compiler, CVT_S_S | flags | (4 << 21) | (((op & SLJIT_F32_OP) ^ SLJIT_F32_OP) >> 8) | FS(TMP_FREG1) | FD(dst_r), MOVABLE_INS)); 
 
	if (dst & SLJIT_MEM) 
		return emit_op_mem2(compiler, FLOAT_DATA(op), FR(TMP_FREG1), dst, dstw, 0, 0); 
	return SLJIT_SUCCESS; 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#	undef flags 
#endif 
} 
 
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 src1, sljit_sw src1w, 
	sljit_s32 src2, sljit_sw src2w) 
{ 
	sljit_ins inst; 
 
	if (src1 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src1, src1w, src2, src2w)); 
		src1 = TMP_FREG1; 
	} 
 
	if (src2 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG2), src2, src2w, 0, 0)); 
		src2 = TMP_FREG2; 
	} 
 
	switch (GET_FLAG_TYPE(op)) { 
	case SLJIT_EQUAL_F64: 
	case SLJIT_NOT_EQUAL_F64: 
		inst = C_UEQ_S; 
		break; 
	case SLJIT_LESS_F64: 
	case SLJIT_GREATER_EQUAL_F64: 
		inst = C_ULT_S; 
		break; 
	case SLJIT_GREATER_F64: 
	case SLJIT_LESS_EQUAL_F64: 
		inst = C_ULE_S; 
		break; 
	default: 
		SLJIT_ASSERT(GET_FLAG_TYPE(op) == SLJIT_UNORDERED_F64 || GET_FLAG_TYPE(op) == SLJIT_ORDERED_F64); 
		inst = C_UN_S; 
		break; 
	} 
	return push_inst(compiler, inst | FMT(op) | FT(src2) | FS(src1) | C_FD, UNMOVABLE_INS); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src, sljit_sw srcw) 
{ 
	sljit_s32 dst_r; 
 
	CHECK_ERROR(); 
	compiler->cache_arg = 0; 
	compiler->cache_argw = 0; 
 
	SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error); 
	SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); 
 
	if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32) 
		op ^= SLJIT_F32_OP; 
 
	dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; 
 
	if (src & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(dst_r), src, srcw, dst, dstw)); 
		src = dst_r; 
	} 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_MOV_F64: 
		if (src != dst_r) { 
			if (dst_r != TMP_FREG1) 
				FAIL_IF(push_inst(compiler, MOV_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 
			else 
				dst_r = src; 
		} 
		break; 
	case SLJIT_NEG_F64: 
		FAIL_IF(push_inst(compiler, NEG_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 
		break; 
	case SLJIT_ABS_F64: 
		FAIL_IF(push_inst(compiler, ABS_S | FMT(op) | FS(src) | FD(dst_r), MOVABLE_INS)); 
		break; 
	case SLJIT_CONV_F64_FROM_F32: 
		FAIL_IF(push_inst(compiler, CVT_S_S | ((op & SLJIT_F32_OP) ? 1 : (1 << 21)) | FS(src) | FD(dst_r), MOVABLE_INS)); 
		op ^= SLJIT_F32_OP; 
		break; 
	} 
 
	if (dst & SLJIT_MEM) 
		return emit_op_mem2(compiler, FLOAT_DATA(op), FR(dst_r), dst, dstw, 0, 0); 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 src1, sljit_sw src1w, 
	sljit_s32 src2, sljit_sw src2w) 
{ 
	sljit_s32 dst_r, flags = 0; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
	ADJUST_LOCAL_OFFSET(src1, src1w); 
	ADJUST_LOCAL_OFFSET(src2, src2w); 
 
	compiler->cache_arg = 0; 
	compiler->cache_argw = 0; 
 
	dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; 
 
	if (src1 & SLJIT_MEM) { 
		if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src1, src1w)) { 
			FAIL_IF(compiler->error); 
			src1 = TMP_FREG1; 
		} else 
			flags |= SLOW_SRC1; 
	} 
 
	if (src2 & SLJIT_MEM) { 
		if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG2), src2, src2w)) { 
			FAIL_IF(compiler->error); 
			src2 = TMP_FREG2; 
		} else 
			flags |= SLOW_SRC2; 
	} 
 
	if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { 
		if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { 
			FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG2), src2, src2w, src1, src1w)); 
			FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src1, src1w, dst, dstw)); 
		} 
		else { 
			FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src1, src1w, src2, src2w)); 
			FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG2), src2, src2w, dst, dstw)); 
		} 
	} 
	else if (flags & SLOW_SRC1) 
		FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG1), src1, src1w, dst, dstw)); 
	else if (flags & SLOW_SRC2) 
		FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, FR(TMP_FREG2), src2, src2w, dst, dstw)); 
 
	if (flags & SLOW_SRC1) 
		src1 = TMP_FREG1; 
	if (flags & SLOW_SRC2) 
		src2 = TMP_FREG2; 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_ADD_F64: 
		FAIL_IF(push_inst(compiler, ADD_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 
		break; 
 
	case SLJIT_SUB_F64: 
		FAIL_IF(push_inst(compiler, SUB_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 
		break; 
 
	case SLJIT_MUL_F64: 
		FAIL_IF(push_inst(compiler, MUL_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 
		break; 
 
	case SLJIT_DIV_F64: 
		FAIL_IF(push_inst(compiler, DIV_S | FMT(op) | FT(src2) | FS(src1) | FD(dst_r), MOVABLE_INS)); 
		break; 
	} 
 
	if (dst_r == TMP_FREG2) 
		FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), FR(TMP_FREG2), dst, dstw, 0, 0)); 
 
	return SLJIT_SUCCESS; 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Other instructions                                                   */ 
/* --------------------------------------------------------------------- */ 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
 
	if (FAST_IS_REG(dst)) 
		return push_inst(compiler, ADDU_W | SA(RETURN_ADDR_REG) | TA(0) | D(dst), DR(dst)); 
 
	/* Memory. */ 
	return emit_op_mem(compiler, WORD_DATA, RETURN_ADDR_REG, dst, dstw); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); 
	ADJUST_LOCAL_OFFSET(src, srcw); 
 
	if (FAST_IS_REG(src)) 
		FAIL_IF(push_inst(compiler, ADDU_W | S(src) | TA(0) | DA(RETURN_ADDR_REG), RETURN_ADDR_REG)); 
	else 
		FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, RETURN_ADDR_REG, src, srcw)); 
 
	FAIL_IF(push_inst(compiler, JR | SA(RETURN_ADDR_REG), UNMOVABLE_INS)); 
	return push_inst(compiler, NOP, UNMOVABLE_INS); 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Conditional instructions                                             */ 
/* --------------------------------------------------------------------- */ 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) 
{ 
	struct sljit_label *label; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_label(compiler)); 
 
	if (compiler->last_label && compiler->last_label->size == compiler->size) 
		return compiler->last_label; 
 
	label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); 
	PTR_FAIL_IF(!label); 
	set_label(label, compiler); 
	compiler->delay_slot = UNMOVABLE_INS; 
	return label; 
} 
 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
#define JUMP_LENGTH	4 
#else 
#define JUMP_LENGTH	8 
#endif 
 
#define BR_Z(src) \ 
	inst = BEQ | SA(src) | TA(0) | JUMP_LENGTH; \ 
	flags = IS_BIT26_COND; \ 
	delay_check = src; 
 
#define BR_NZ(src) \ 
	inst = BNE | SA(src) | TA(0) | JUMP_LENGTH; \ 
	flags = IS_BIT26_COND; \ 
	delay_check = src; 
 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
 
#define BR_T() \ 
	inst = BC1NEZ; \ 
	flags = IS_BIT23_COND; \ 
	delay_check = FCSR_FCC; 
#define BR_F() \ 
	inst = BC1EQZ; \ 
	flags = IS_BIT23_COND; \ 
	delay_check = FCSR_FCC; 
 
#else /* !SLJIT_MIPS_R6 */ 
 
#define BR_T() \ 
	inst = BC1T | JUMP_LENGTH; \ 
	flags = IS_BIT16_COND; \ 
	delay_check = FCSR_FCC; 
#define BR_F() \ 
	inst = BC1F | JUMP_LENGTH; \ 
	flags = IS_BIT16_COND; \ 
	delay_check = FCSR_FCC; 
 
#endif /* SLJIT_MIPS_R6 */ 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) 
{ 
	struct sljit_jump *jump; 
	sljit_ins inst; 
	sljit_s32 flags = 0; 
	sljit_s32 delay_check = UNMOVABLE_INS; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_jump(compiler, type)); 
 
	jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 
	PTR_FAIL_IF(!jump); 
	set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 
	type &= 0xff; 
 
	switch (type) { 
	case SLJIT_EQUAL: 
		BR_NZ(EQUAL_FLAG); 
		break; 
	case SLJIT_NOT_EQUAL: 
		BR_Z(EQUAL_FLAG); 
		break; 
	case SLJIT_LESS: 
	case SLJIT_GREATER: 
	case SLJIT_SIG_LESS: 
	case SLJIT_SIG_GREATER: 
	case SLJIT_OVERFLOW: 
	case SLJIT_MUL_OVERFLOW: 
		BR_Z(OTHER_FLAG); 
		break; 
	case SLJIT_GREATER_EQUAL: 
	case SLJIT_LESS_EQUAL: 
	case SLJIT_SIG_GREATER_EQUAL: 
	case SLJIT_SIG_LESS_EQUAL: 
	case SLJIT_NOT_OVERFLOW: 
	case SLJIT_MUL_NOT_OVERFLOW: 
		BR_NZ(OTHER_FLAG); 
		break; 
	case SLJIT_NOT_EQUAL_F64: 
	case SLJIT_GREATER_EQUAL_F64: 
	case SLJIT_GREATER_F64: 
	case SLJIT_ORDERED_F64: 
		BR_T(); 
		break; 
	case SLJIT_EQUAL_F64: 
	case SLJIT_LESS_F64: 
	case SLJIT_LESS_EQUAL_F64: 
	case SLJIT_UNORDERED_F64: 
		BR_F(); 
		break; 
	default: 
		/* Not conditional branch. */ 
		inst = 0; 
		break; 
	} 
 
	jump->flags |= flags; 
	if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != delay_check)) 
		jump->flags |= IS_MOVABLE; 
 
	if (inst) 
		PTR_FAIL_IF(push_inst(compiler, inst, UNMOVABLE_INS)); 
 
	PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 
 
	if (type <= SLJIT_JUMP) 
		PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS)); 
	else { 
		jump->flags |= IS_JAL; 
		PTR_FAIL_IF(push_inst(compiler, JALR | S(TMP_REG2) | DA(RETURN_ADDR_REG), UNMOVABLE_INS)); 
	} 
 
	jump->addr = compiler->size; 
	PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 
	return jump; 
} 
 
#define RESOLVE_IMM1() \ 
	if (src1 & SLJIT_IMM) { \ 
		if (src1w) { \ 
			PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG1), src1w)); \ 
			src1 = TMP_REG1; \ 
		} \ 
		else \ 
			src1 = 0; \ 
	} 
 
#define RESOLVE_IMM2() \ 
	if (src2 & SLJIT_IMM) { \ 
		if (src2w) { \ 
			PTR_FAIL_IF(load_immediate(compiler, DR(TMP_REG2), src2w)); \ 
			src2 = TMP_REG2; \ 
		} \ 
		else \ 
			src2 = 0; \ 
	} 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_cmp(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 src1, sljit_sw src1w, 
	sljit_s32 src2, sljit_sw src2w) 
{ 
	struct sljit_jump *jump; 
	sljit_s32 flags; 
	sljit_ins inst; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_cmp(compiler, type, src1, src1w, src2, src2w)); 
	ADJUST_LOCAL_OFFSET(src1, src1w); 
	ADJUST_LOCAL_OFFSET(src2, src2w); 
 
	compiler->cache_arg = 0; 
	compiler->cache_argw = 0; 
	flags = ((type & SLJIT_I32_OP) ? INT_DATA : WORD_DATA) | LOAD_DATA; 
	if (src1 & SLJIT_MEM) { 
		PTR_FAIL_IF(emit_op_mem2(compiler, flags, DR(TMP_REG1), src1, src1w, src2, src2w)); 
		src1 = TMP_REG1; 
	} 
	if (src2 & SLJIT_MEM) { 
		PTR_FAIL_IF(emit_op_mem2(compiler, flags, DR(TMP_REG2), src2, src2w, 0, 0)); 
		src2 = TMP_REG2; 
	} 
 
	jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 
	PTR_FAIL_IF(!jump); 
	set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); 
	type &= 0xff; 
 
	if (type <= SLJIT_NOT_EQUAL) { 
		RESOLVE_IMM1(); 
		RESOLVE_IMM2(); 
		jump->flags |= IS_BIT26_COND; 
		if (compiler->delay_slot == MOVABLE_INS || (compiler->delay_slot != UNMOVABLE_INS && compiler->delay_slot != DR(src1) && compiler->delay_slot != DR(src2))) 
			jump->flags |= IS_MOVABLE; 
		PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_EQUAL ? BNE : BEQ) | S(src1) | T(src2) | JUMP_LENGTH, UNMOVABLE_INS)); 
	} 
	else if (type >= SLJIT_SIG_LESS && (((src1 & SLJIT_IMM) && (src1w == 0)) || ((src2 & SLJIT_IMM) && (src2w == 0)))) { 
		inst = NOP; 
		if ((src1 & SLJIT_IMM) && (src1w == 0)) { 
			RESOLVE_IMM2(); 
			switch (type) { 
			case SLJIT_SIG_LESS: 
				inst = BLEZ; 
				jump->flags |= IS_BIT26_COND; 
				break; 
			case SLJIT_SIG_GREATER_EQUAL: 
				inst = BGTZ; 
				jump->flags |= IS_BIT26_COND; 
				break; 
			case SLJIT_SIG_GREATER: 
				inst = BGEZ; 
				jump->flags |= IS_BIT16_COND; 
				break; 
			case SLJIT_SIG_LESS_EQUAL: 
				inst = BLTZ; 
				jump->flags |= IS_BIT16_COND; 
				break; 
			} 
			src1 = src2; 
		} 
		else { 
			RESOLVE_IMM1(); 
			switch (type) { 
			case SLJIT_SIG_LESS: 
				inst = BGEZ; 
				jump->flags |= IS_BIT16_COND; 
				break; 
			case SLJIT_SIG_GREATER_EQUAL: 
				inst = BLTZ; 
				jump->flags |= IS_BIT16_COND; 
				break; 
			case SLJIT_SIG_GREATER: 
				inst = BLEZ; 
				jump->flags |= IS_BIT26_COND; 
				break; 
			case SLJIT_SIG_LESS_EQUAL: 
				inst = BGTZ; 
				jump->flags |= IS_BIT26_COND; 
				break; 
			} 
		} 
		PTR_FAIL_IF(push_inst(compiler, inst | S(src1) | JUMP_LENGTH, UNMOVABLE_INS)); 
	} 
	else { 
		if (type == SLJIT_LESS || type == SLJIT_GREATER_EQUAL || type == SLJIT_SIG_LESS || type == SLJIT_SIG_GREATER_EQUAL) { 
			RESOLVE_IMM1(); 
			if ((src2 & SLJIT_IMM) && src2w <= SIMM_MAX && src2w >= SIMM_MIN) 
				PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTIU : SLTI) | S(src1) | T(TMP_REG1) | IMM(src2w), DR(TMP_REG1))); 
			else { 
				RESOLVE_IMM2(); 
				PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTU : SLT) | S(src1) | T(src2) | D(TMP_REG1), DR(TMP_REG1))); 
			} 
			type = (type == SLJIT_LESS || type == SLJIT_SIG_LESS) ? SLJIT_NOT_EQUAL : SLJIT_EQUAL; 
		} 
		else { 
			RESOLVE_IMM2(); 
			if ((src1 & SLJIT_IMM) && src1w <= SIMM_MAX && src1w >= SIMM_MIN) 
				PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTIU : SLTI) | S(src2) | T(TMP_REG1) | IMM(src1w), DR(TMP_REG1))); 
			else { 
				RESOLVE_IMM1(); 
				PTR_FAIL_IF(push_inst(compiler, (type <= SLJIT_LESS_EQUAL ? SLTU : SLT) | S(src2) | T(src1) | D(TMP_REG1), DR(TMP_REG1))); 
			} 
			type = (type == SLJIT_GREATER || type == SLJIT_SIG_GREATER) ? SLJIT_NOT_EQUAL : SLJIT_EQUAL; 
		} 
 
		jump->flags |= IS_BIT26_COND; 
		PTR_FAIL_IF(push_inst(compiler, (type == SLJIT_EQUAL ? BNE : BEQ) | S(TMP_REG1) | TA(0) | JUMP_LENGTH, UNMOVABLE_INS)); 
	} 
 
	PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 
	PTR_FAIL_IF(push_inst(compiler, JR | S(TMP_REG2), UNMOVABLE_INS)); 
	jump->addr = compiler->size; 
	PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 
	return jump; 
} 
 
#undef RESOLVE_IMM1 
#undef RESOLVE_IMM2 
 
#undef JUMP_LENGTH 
#undef BR_Z 
#undef BR_NZ 
#undef BR_T 
#undef BR_F 
 
#undef FLOAT_DATA 
#undef FMT 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) 
{ 
	struct sljit_jump *jump = NULL; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 
	ADJUST_LOCAL_OFFSET(src, srcw); 
 
	if (src & SLJIT_IMM) { 
		jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 
		FAIL_IF(!jump); 
		set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_JAL : 0)); 
		jump->u.target = srcw; 
 
		if (compiler->delay_slot != UNMOVABLE_INS) 
			jump->flags |= IS_MOVABLE; 
 
		FAIL_IF(emit_const(compiler, TMP_REG2, 0)); 
		src = TMP_REG2; 
	} 
	else if (src & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, DR(TMP_REG2), src, srcw)); 
		src = TMP_REG2; 
	} 
 
	FAIL_IF(push_inst(compiler, JR | S(src), UNMOVABLE_INS)); 
	if (jump) 
		jump->addr = compiler->size; 
	FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, 
	sljit_s32 dst, sljit_sw dstw, 
	sljit_s32 type) 
{ 
	sljit_s32 src_ar, dst_ar; 
	sljit_s32 saved_op = op; 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	sljit_s32 mem_type = WORD_DATA; 
#else 
	sljit_s32 mem_type = (op & SLJIT_I32_OP) ? (INT_DATA | SIGNED_DATA) : WORD_DATA; 
#endif 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
 
	op = GET_OPCODE(op); 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
	if (op == SLJIT_MOV_S32) 
		mem_type = INT_DATA | SIGNED_DATA; 
#endif 
	dst_ar = DR((op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2); 
 
	compiler->cache_arg = 0; 
	compiler->cache_argw = 0; 
 
	if (op >= SLJIT_ADD && (dst & SLJIT_MEM)) 
		FAIL_IF(emit_op_mem2(compiler, mem_type | LOAD_DATA, DR(TMP_REG1), dst, dstw, dst, dstw)); 
 
	switch (type & 0xff) { 
	case SLJIT_EQUAL: 
	case SLJIT_NOT_EQUAL: 
		FAIL_IF(push_inst(compiler, SLTIU | SA(EQUAL_FLAG) | TA(dst_ar) | IMM(1), dst_ar)); 
		src_ar = dst_ar; 
		break; 
	case SLJIT_MUL_OVERFLOW: 
	case SLJIT_MUL_NOT_OVERFLOW: 
		FAIL_IF(push_inst(compiler, SLTIU | SA(OTHER_FLAG) | TA(dst_ar) | IMM(1), dst_ar)); 
		src_ar = dst_ar; 
		type ^= 0x1; /* Flip type bit for the XORI below. */ 
		break; 
	case SLJIT_GREATER_F64: 
	case SLJIT_LESS_EQUAL_F64: 
		type ^= 0x1; /* Flip type bit for the XORI below. */ 
	case SLJIT_EQUAL_F64: 
	case SLJIT_NOT_EQUAL_F64: 
	case SLJIT_LESS_F64: 
	case SLJIT_GREATER_EQUAL_F64: 
	case SLJIT_UNORDERED_F64: 
	case SLJIT_ORDERED_F64: 
#if (defined SLJIT_MIPS_R6 && SLJIT_MIPS_R6) 
		FAIL_IF(push_inst(compiler, MFC1 | TA(dst_ar) | FS(TMP_FREG3), dst_ar)); 
#else /* !SLJIT_MIPS_R6 */ 
		FAIL_IF(push_inst(compiler, CFC1 | TA(dst_ar) | DA(FCSR_REG), dst_ar)); 
#endif /* SLJIT_MIPS_R6 */ 
		FAIL_IF(push_inst(compiler, SRL | TA(dst_ar) | DA(dst_ar) | SH_IMM(23), dst_ar)); 
		FAIL_IF(push_inst(compiler, ANDI | SA(dst_ar) | TA(dst_ar) | IMM(1), dst_ar)); 
		src_ar = dst_ar; 
		break; 
 
	default: 
		src_ar = OTHER_FLAG; 
		break; 
	} 
 
	if (type & 0x1) { 
		FAIL_IF(push_inst(compiler, XORI | SA(src_ar) | TA(dst_ar) | IMM(1), dst_ar)); 
		src_ar = dst_ar; 
	} 
 
	if (op < SLJIT_ADD) { 
		if (dst & SLJIT_MEM) 
			return emit_op_mem(compiler, mem_type, src_ar, dst, dstw); 
 
		if (src_ar != dst_ar) 
			return push_inst(compiler, ADDU_W | SA(src_ar) | TA(0) | DA(dst_ar), dst_ar); 
		return SLJIT_SUCCESS; 
	} 
 
	/* OTHER_FLAG cannot be specified as src2 argument at the moment. */ 
	if (DR(TMP_REG2) != src_ar) 
		FAIL_IF(push_inst(compiler, ADDU_W | SA(src_ar) | TA(0) | D(TMP_REG2), DR(TMP_REG2))); 
 
	mem_type |= CUMULATIVE_OP | LOGICAL_OP | IMM_OP | ALT_KEEP_CACHE; 
 
	if (dst & SLJIT_MEM) 
		return emit_op(compiler, saved_op, mem_type, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); 
	return emit_op(compiler, saved_op, mem_type, dst, dstw, dst, dstw, TMP_REG2, 0); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 dst_reg, 
	sljit_s32 src, sljit_sw srcw) 
{ 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
	sljit_ins ins; 
#endif 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); 
 
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 
 
	if (SLJIT_UNLIKELY(src & SLJIT_IMM)) { 
#if (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) 
		if (dst_reg & SLJIT_I32_OP) 
			srcw = (sljit_s32)srcw; 
#endif 
		FAIL_IF(load_immediate(compiler, DR(TMP_REG1), srcw)); 
		src = TMP_REG1; 
		srcw = 0; 
	} 
 
	dst_reg &= ~SLJIT_I32_OP; 
 
	switch (type & 0xff) { 
	case SLJIT_EQUAL: 
		ins = MOVZ | TA(EQUAL_FLAG); 
		break; 
	case SLJIT_NOT_EQUAL: 
		ins = MOVN | TA(EQUAL_FLAG); 
		break; 
	case SLJIT_LESS: 
	case SLJIT_GREATER: 
	case SLJIT_SIG_LESS: 
	case SLJIT_SIG_GREATER: 
	case SLJIT_OVERFLOW: 
	case SLJIT_MUL_OVERFLOW: 
		ins = MOVN | TA(OTHER_FLAG); 
		break; 
	case SLJIT_GREATER_EQUAL: 
	case SLJIT_LESS_EQUAL: 
	case SLJIT_SIG_GREATER_EQUAL: 
	case SLJIT_SIG_LESS_EQUAL: 
	case SLJIT_NOT_OVERFLOW: 
	case SLJIT_MUL_NOT_OVERFLOW: 
		ins = MOVZ | TA(OTHER_FLAG); 
		break; 
	case SLJIT_EQUAL_F64: 
	case SLJIT_LESS_F64: 
	case SLJIT_LESS_EQUAL_F64: 
	case SLJIT_UNORDERED_F64: 
		ins = MOVT; 
		break; 
	case SLJIT_NOT_EQUAL_F64: 
	case SLJIT_GREATER_EQUAL_F64: 
	case SLJIT_GREATER_F64: 
	case SLJIT_ORDERED_F64: 
		ins = MOVF; 
		break; 
	default: 
		ins = MOVZ | TA(OTHER_FLAG); 
		SLJIT_UNREACHABLE(); 
		break; 
	} 
 
	return push_inst(compiler, ins | S(src) | D(dst_reg), DR(dst_reg)); 
 
#else 
	return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw); 
#endif 
} 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) 
{ 
	struct sljit_const *const_; 
	sljit_s32 dst_r; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
 
	const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); 
	PTR_FAIL_IF(!const_); 
	set_const(const_, compiler); 
 
	dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; 
	PTR_FAIL_IF(emit_const(compiler, dst_r, init_value)); 
 
	if (dst & SLJIT_MEM) 
		PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); 
 
	return const_; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) 
{ 
	struct sljit_put_label *put_label; 
	sljit_s32 dst_r; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
 
	put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label)); 
	PTR_FAIL_IF(!put_label); 
	set_put_label(put_label, compiler, 0); 
 
	dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; 
#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) 
	PTR_FAIL_IF(emit_const(compiler, dst_r, 0)); 
#else 
	PTR_FAIL_IF(push_inst(compiler, dst_r, UNMOVABLE_INS)); 
	compiler->size += 5; 
#endif 
 
	if (dst & SLJIT_MEM) 
		PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); 
 
	return put_label; 
}