path: root/contrib/libs/pcre/sljit/sljitNativePPC_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. 
 */ 
 
SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) 
{ 
	return "PowerPC" SLJIT_CPUINFO; 
} 
 
/* Length of an instruction word. 
   Both for ppc-32 and ppc-64. */ 
typedef sljit_u32 sljit_ins; 
 
#if ((defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) && (defined _AIX)) \ 
	|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define SLJIT_PPC_STACK_FRAME_V2 1 
#endif 
 
#ifdef _AIX 
#error #include <sys/cache.h> 
#endif 
 
#if (defined _CALL_ELF && _CALL_ELF == 2) 
#define SLJIT_PASS_ENTRY_ADDR_TO_CALL 1 
#endif 
 
#if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) 
 
static void ppc_cache_flush(sljit_ins *from, sljit_ins *to) 
{ 
#ifdef _AIX 
	_sync_cache_range((caddr_t)from, (int)((size_t)to - (size_t)from)); 
#elif defined(__GNUC__) || (defined(__IBM_GCC_ASM) && __IBM_GCC_ASM) 
#	if defined(_ARCH_PWR) || defined(_ARCH_PWR2) 
	/* Cache flush for POWER architecture. */ 
	while (from < to) { 
		__asm__ volatile ( 
			"clf 0, %0\n" 
			"dcs\n" 
			: : "r"(from) 
		); 
		from++; 
	} 
	__asm__ volatile ( "ics" ); 
#	elif defined(_ARCH_COM) && !defined(_ARCH_PPC) 
#	error "Cache flush is not implemented for PowerPC/POWER common mode." 
#	else 
	/* Cache flush for PowerPC architecture. */ 
	while (from < to) { 
		__asm__ volatile ( 
			"dcbf 0, %0\n" 
			"sync\n" 
			"icbi 0, %0\n" 
			: : "r"(from) 
		); 
		from++; 
	} 
	__asm__ volatile ( "isync" ); 
#	endif 
#	ifdef __xlc__ 
#	warning "This file may fail to compile if -qfuncsect is used" 
#	endif 
#elif defined(__xlc__) 
#error "Please enable GCC syntax for inline assembly statements with -qasm=gcc" 
#else 
#error "This platform requires a cache flush implementation." 
#endif /* _AIX */ 
} 
 
#endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */ 
 
#define TMP_REG1	(SLJIT_NUMBER_OF_REGISTERS + 2) 
#define TMP_REG2	(SLJIT_NUMBER_OF_REGISTERS + 3) 
#define TMP_ZERO	(SLJIT_NUMBER_OF_REGISTERS + 4) 
 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) 
#define TMP_CALL_REG	(SLJIT_NUMBER_OF_REGISTERS + 5) 
#else 
#define TMP_CALL_REG	TMP_REG2 
#endif 
 
#define TMP_FREG1	(SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) 
#define TMP_FREG2	(SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) 
 
static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 7] = { 
	0, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 1, 9, 10, 31, 12 
}; 
 
static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { 
	0, 1, 2, 3, 4, 5, 6, 0, 7 
}; 
 
/* --------------------------------------------------------------------- */ 
/*  Instrucion forms                                                     */ 
/* --------------------------------------------------------------------- */ 
#define D(d)		(reg_map[d] << 21) 
#define S(s)		(reg_map[s] << 21) 
#define A(a)		(reg_map[a] << 16) 
#define B(b)		(reg_map[b] << 11) 
#define C(c)		(reg_map[c] << 6) 
#define FD(fd)		(freg_map[fd] << 21) 
#define FS(fs)		(freg_map[fs] << 21) 
#define FA(fa)		(freg_map[fa] << 16) 
#define FB(fb)		(freg_map[fb] << 11) 
#define FC(fc)		(freg_map[fc] << 6) 
#define IMM(imm)	((imm) & 0xffff) 
#define CRD(d)		((d) << 21) 
 
/* Instruction bit sections. 
   OE and Rc flag (see ALT_SET_FLAGS). */ 
#define OE(flags)	((flags) & ALT_SET_FLAGS) 
/* Rc flag (see ALT_SET_FLAGS). */ 
#define RC(flags)	(((flags) & ALT_SET_FLAGS) >> 10) 
#define HI(opcode)	((opcode) << 26) 
#define LO(opcode)	((opcode) << 1) 
 
#define ADD		(HI(31) | LO(266)) 
#define ADDC		(HI(31) | LO(10)) 
#define ADDE		(HI(31) | LO(138)) 
#define ADDI		(HI(14)) 
#define ADDIC		(HI(13)) 
#define ADDIS		(HI(15)) 
#define ADDME		(HI(31) | LO(234)) 
#define AND		(HI(31) | LO(28)) 
#define ANDI		(HI(28)) 
#define ANDIS		(HI(29)) 
#define Bx		(HI(18)) 
#define BCx		(HI(16)) 
#define BCCTR		(HI(19) | LO(528) | (3 << 11)) 
#define BLR		(HI(19) | LO(16) | (0x14 << 21)) 
#define CNTLZD		(HI(31) | LO(58)) 
#define CNTLZW		(HI(31) | LO(26)) 
#define CMP		(HI(31) | LO(0)) 
#define CMPI		(HI(11)) 
#define CMPL		(HI(31) | LO(32)) 
#define CMPLI		(HI(10)) 
#define CROR		(HI(19) | LO(449)) 
#define DCBT		(HI(31) | LO(278)) 
#define DIVD		(HI(31) | LO(489)) 
#define DIVDU		(HI(31) | LO(457)) 
#define DIVW		(HI(31) | LO(491)) 
#define DIVWU		(HI(31) | LO(459)) 
#define EXTSB		(HI(31) | LO(954)) 
#define EXTSH		(HI(31) | LO(922)) 
#define EXTSW		(HI(31) | LO(986)) 
#define FABS		(HI(63) | LO(264)) 
#define FADD		(HI(63) | LO(21)) 
#define FADDS		(HI(59) | LO(21)) 
#define FCFID		(HI(63) | LO(846)) 
#define FCMPU		(HI(63) | LO(0)) 
#define FCTIDZ		(HI(63) | LO(815)) 
#define FCTIWZ		(HI(63) | LO(15)) 
#define FDIV		(HI(63) | LO(18)) 
#define FDIVS		(HI(59) | LO(18)) 
#define FMR		(HI(63) | LO(72)) 
#define FMUL		(HI(63) | LO(25)) 
#define FMULS		(HI(59) | LO(25)) 
#define FNEG		(HI(63) | LO(40)) 
#define FRSP		(HI(63) | LO(12)) 
#define FSUB		(HI(63) | LO(20)) 
#define FSUBS		(HI(59) | LO(20)) 
#define LD		(HI(58) | 0) 
#define LWZ		(HI(32)) 
#define MFCR		(HI(31) | LO(19)) 
#define MFLR		(HI(31) | LO(339) | 0x80000) 
#define MFXER		(HI(31) | LO(339) | 0x10000) 
#define MTCTR		(HI(31) | LO(467) | 0x90000) 
#define MTLR		(HI(31) | LO(467) | 0x80000) 
#define MTXER		(HI(31) | LO(467) | 0x10000) 
#define MULHD		(HI(31) | LO(73)) 
#define MULHDU		(HI(31) | LO(9)) 
#define MULHW		(HI(31) | LO(75)) 
#define MULHWU		(HI(31) | LO(11)) 
#define MULLD		(HI(31) | LO(233)) 
#define MULLI		(HI(7)) 
#define MULLW		(HI(31) | LO(235)) 
#define NEG		(HI(31) | LO(104)) 
#define NOP		(HI(24)) 
#define NOR		(HI(31) | LO(124)) 
#define OR		(HI(31) | LO(444)) 
#define ORI		(HI(24)) 
#define ORIS		(HI(25)) 
#define RLDICL		(HI(30)) 
#define RLWINM		(HI(21)) 
#define SLD		(HI(31) | LO(27)) 
#define SLW		(HI(31) | LO(24)) 
#define SRAD		(HI(31) | LO(794)) 
#define SRADI		(HI(31) | LO(413 << 1)) 
#define SRAW		(HI(31) | LO(792)) 
#define SRAWI		(HI(31) | LO(824)) 
#define SRD		(HI(31) | LO(539)) 
#define SRW		(HI(31) | LO(536)) 
#define STD		(HI(62) | 0) 
#define STDU		(HI(62) | 1) 
#define STDUX		(HI(31) | LO(181)) 
#define STFIWX		(HI(31) | LO(983)) 
#define STW		(HI(36)) 
#define STWU		(HI(37)) 
#define STWUX		(HI(31) | LO(183)) 
#define SUBF		(HI(31) | LO(40)) 
#define SUBFC		(HI(31) | LO(8)) 
#define SUBFE		(HI(31) | LO(136)) 
#define SUBFIC		(HI(8)) 
#define XOR		(HI(31) | LO(316)) 
#define XORI		(HI(26)) 
#define XORIS		(HI(27)) 
 
#define SIMM_MAX	(0x7fff) 
#define SIMM_MIN	(-0x8000) 
#define UIMM_MAX	(0xffff) 
 
#define RLDI(dst, src, sh, mb, type) \ 
	(HI(30) | S(src) | A(dst) | ((type) << 2) | (((sh) & 0x1f) << 11) | (((sh) & 0x20) >> 4) | (((mb) & 0x1f) << 6) | ((mb) & 0x20)) 
 
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) 
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct sljit_function_context* context, sljit_sw addr, void* func) 
{ 
	sljit_sw* ptrs; 
	if (func_ptr) 
		*func_ptr = (void*)context; 
	ptrs = (sljit_sw*)func; 
	context->addr = addr ? addr : ptrs[0]; 
	context->r2 = ptrs[1]; 
	context->r11 = ptrs[2]; 
} 
#endif 
 
static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins) 
{ 
	sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); 
	FAIL_IF(!ptr); 
	*ptr = ins; 
	compiler->size++; 
	return SLJIT_SUCCESS; 
} 
 
static SLJIT_INLINE sljit_s32 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_sw extra_jump_flags; 
 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
	if (jump->flags & (SLJIT_REWRITABLE_JUMP | IS_CALL)) 
		return 0; 
#else 
	if (jump->flags & SLJIT_REWRITABLE_JUMP) 
		return 0; 
#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; 
	} 
 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) && (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (jump->flags & IS_CALL) 
		goto keep_address; 
#endif 
 
	diff = ((sljit_sw)target_addr - (sljit_sw)(code_ptr) - executable_offset) & ~0x3l; 
 
	extra_jump_flags = 0; 
	if (jump->flags & IS_COND) { 
		if (diff <= 0x7fff && diff >= -0x8000) { 
			jump->flags |= PATCH_B; 
			return 1; 
		} 
		if (target_addr <= 0xffff) { 
			jump->flags |= PATCH_B | PATCH_ABS_B; 
			return 1; 
		} 
		extra_jump_flags = REMOVE_COND; 
 
		diff -= sizeof(sljit_ins); 
	} 
 
	if (diff <= 0x01ffffff && diff >= -0x02000000) { 
		jump->flags |= PATCH_B | extra_jump_flags; 
		return 1; 
	} 
 
	if (target_addr <= 0x03ffffff) { 
		jump->flags |= PATCH_B | PATCH_ABS_B | extra_jump_flags; 
		return 1; 
	} 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) 
keep_address: 
#endif 
	if (target_addr <= 0x7fffffff) { 
		jump->flags |= PATCH_ABS32; 
		return 1; 
	} 
 
	if (target_addr <= 0x7fffffffffffl) { 
		jump->flags |= PATCH_ABS48; 
		return 1; 
	} 
#endif 
 
	return 0; 
} 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
 
static SLJIT_INLINE sljit_sw put_label_get_length(struct sljit_put_label *put_label, sljit_uw max_label) 
{ 
	if (max_label < 0x100000000l) { 
		put_label->flags = 0; 
		return 1; 
	} 
 
	if (max_label < 0x1000000000000l) { 
		put_label->flags = 1; 
		return 3; 
	} 
 
	put_label->flags = 2; 
	return 4; 
} 
 
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 < 0x100000000l); 
		inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 16); 
	} 
	else { 
		if (put_label->flags == 1) { 
			SLJIT_ASSERT(addr < 0x1000000000000l); 
			inst[0] = ORI | S(TMP_ZERO) | A(reg) | IMM(addr >> 32); 
		} 
		else { 
			inst[0] = ORIS | S(TMP_ZERO) | A(reg) | IMM(addr >> 48); 
			inst[1] = ORI | S(reg) | A(reg) | IMM((addr >> 32) & 0xffff); 
			inst ++; 
		} 
 
		inst[1] = RLDI(reg, reg, 32, 31, 1); 
		inst[2] = ORIS | S(reg) | A(reg) | IMM((addr >> 16) & 0xffff); 
		inst += 2; 
	} 
 
	inst[1] = ORI | S(reg) | A(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); 
 
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); 
#else 
	compiler->size += (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); 
#endif 
#endif 
	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) { 
					/* Just recording the address. */ 
					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_PPC_32 && SLJIT_CONFIG_PPC_32) 
					jump->addr = (sljit_uw)(code_ptr - 3); 
#else 
					jump->addr = (sljit_uw)(code_ptr - 6); 
#endif 
					if (detect_jump_type(jump, code_ptr, code, executable_offset)) { 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
						code_ptr[-3] = code_ptr[0]; 
						code_ptr -= 3; 
#else 
						if (jump->flags & PATCH_ABS32) { 
							code_ptr -= 3; 
							code_ptr[-1] = code_ptr[2]; 
							code_ptr[0] = code_ptr[3]; 
						} 
						else if (jump->flags & PATCH_ABS48) { 
							code_ptr--; 
							code_ptr[-1] = code_ptr[0]; 
							code_ptr[0] = code_ptr[1]; 
							/* rldicr rX,rX,32,31 -> rX,rX,16,47 */ 
							SLJIT_ASSERT((code_ptr[-3] & 0xfc00ffff) == 0x780007c6); 
							code_ptr[-3] ^= 0x8422; 
							/* oris -> ori */ 
							code_ptr[-2] ^= 0x4000000; 
						} 
						else { 
							code_ptr[-6] = code_ptr[0]; 
							code_ptr -= 6; 
						} 
#endif 
						if (jump->flags & REMOVE_COND) { 
							code_ptr[0] = BCx | (2 << 2) | ((code_ptr[0] ^ (8 << 21)) & 0x03ff0001); 
							code_ptr++; 
							jump->addr += sizeof(sljit_ins); 
							code_ptr[0] = Bx; 
							jump->flags -= IS_COND; 
						} 
					} 
					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_PPC_64 && SLJIT_CONFIG_PPC_64) 
					code_ptr += put_label_get_length(put_label, (sljit_uw)(SLJIT_ADD_EXEC_OFFSET(code, executable_offset) + put_label->label->size)); 
					word_count += 4; 
#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)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 
		label->size = code_ptr - code; 
		label = label->next; 
	} 
 
	SLJIT_ASSERT(!label); 
	SLJIT_ASSERT(!jump); 
	SLJIT_ASSERT(!const_); 
	SLJIT_ASSERT(!put_label); 
 
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) 
	SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size - (sizeof(struct sljit_function_context) / sizeof(sljit_ins))); 
#else 
	SLJIT_ASSERT(code_ptr - code <= (sljit_sw)compiler->size); 
#endif 
 
	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) { 
				if (jump->flags & IS_COND) { 
					if (!(jump->flags & PATCH_ABS_B)) { 
						addr -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); 
						SLJIT_ASSERT((sljit_sw)addr <= 0x7fff && (sljit_sw)addr >= -0x8000); 
						*buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001); 
					} 
					else { 
						SLJIT_ASSERT(addr <= 0xffff); 
						*buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001); 
					} 
				} 
				else { 
					if (!(jump->flags & PATCH_ABS_B)) { 
						addr -= (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset); 
						SLJIT_ASSERT((sljit_sw)addr <= 0x01ffffff && (sljit_sw)addr >= -0x02000000); 
						*buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1); 
					} 
					else { 
						SLJIT_ASSERT(addr <= 0x03ffffff); 
						*buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1); 
					} 
				} 
				break; 
			} 
 
			/* Set the fields of immediate loads. */ 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_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); 
				break; 
			} 
			if (jump->flags & PATCH_ABS48) { 
				SLJIT_ASSERT(addr <= 0x7fffffffffff); 
				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); 
				break; 
			} 
			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[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff); 
#endif 
		} while (0); 
		jump = jump->next; 
	} 
 
	put_label = compiler->put_labels; 
	while (put_label) { 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
		addr = put_label->label->addr; 
		buf_ptr = (sljit_ins *)put_label->addr; 
 
		SLJIT_ASSERT((buf_ptr[0] & 0xfc1f0000) == ADDIS && (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); 
 
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (((sljit_sw)code_ptr) & 0x4) 
		code_ptr++; 
#endif 
	sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_sw)code, (void*)sljit_generate_code); 
#endif 
 
	code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); 
 
	SLJIT_CACHE_FLUSH(code, code_ptr); 
 
#if (defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) 
	return code_ptr; 
#else 
	return code; 
#endif 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) 
{ 
	switch (feature_type) { 
	case SLJIT_HAS_FPU: 
#ifdef SLJIT_IS_FPU_AVAILABLE 
		return SLJIT_IS_FPU_AVAILABLE; 
#else 
		/* Available by default. */ 
		return 1; 
#endif 
 
	case SLJIT_HAS_CLZ: 
		return 1; 
 
	default: 
		return 0; 
	} 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Entry, exit                                                          */ 
/* --------------------------------------------------------------------- */ 
 
/* inp_flags: */ 
 
/* Creates an index in data_transfer_insts array. */ 
#define LOAD_DATA	0x01 
#define INDEXED		0x02 
#define SIGNED_DATA	0x04 
 
#define WORD_DATA	0x00 
#define BYTE_DATA	0x08 
#define HALF_DATA	0x10 
#define INT_DATA	0x18 
/* Separates integer and floating point registers */ 
#define GPR_REG		0x1f 
#define DOUBLE_DATA	0x20 
 
#define MEM_MASK	0x7f 
 
/* Other inp_flags. */ 
 
/* Integer opertion and set flags -> requires exts on 64 bit systems. */ 
#define ALT_SIGN_EXT	0x000100 
/* This flag affects the RC() and OERC() macros. */ 
#define ALT_SET_FLAGS	0x000400 
#define ALT_FORM1	0x001000 
#define ALT_FORM2	0x002000 
#define ALT_FORM3	0x004000 
#define ALT_FORM4	0x008000 
#define ALT_FORM5	0x010000 
 
/* Source and destination is register. */ 
#define REG_DEST	0x000001 
#define REG1_SOURCE	0x000002 
#define REG2_SOURCE	0x000004 
/* 
ALT_SIGN_EXT		0x000100 
ALT_SET_FLAGS		0x000200 
ALT_FORM1		0x001000 
... 
ALT_FORM5		0x010000 */ 
 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
#include "sljitNativePPC_32.c" 
#else 
#include "sljitNativePPC_64.c" 
#endif 
 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
#define STACK_STORE	STW 
#define STACK_LOAD	LWZ 
#else 
#define STACK_STORE	STD 
#define STACK_LOAD	LD 
#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_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); 
 
	FAIL_IF(push_inst(compiler, MFLR | D(0))); 
	offs = -(sljit_s32)(sizeof(sljit_sw)); 
	FAIL_IF(push_inst(compiler, STACK_STORE | S(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); 
 
	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 | S(i) | A(SLJIT_SP) | IMM(offs))); 
	} 
 
	for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) { 
		offs -= (sljit_s32)(sizeof(sljit_sw)); 
		FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(SLJIT_SP) | IMM(offs))); 
	} 
 
	SLJIT_ASSERT(offs == -(sljit_s32)GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1)); 
 
#if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) 
	FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); 
#else 
	FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); 
#endif 
 
	FAIL_IF(push_inst(compiler, ADDI | D(TMP_ZERO) | A(0) | 0)); 
 
	args = get_arg_count(arg_types); 
 
	if (args >= 1) 
		FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(SLJIT_S0) | B(SLJIT_R0))); 
	if (args >= 2) 
		FAIL_IF(push_inst(compiler, OR | S(SLJIT_R1) | A(SLJIT_S1) | B(SLJIT_R1))); 
	if (args >= 3) 
		FAIL_IF(push_inst(compiler, OR | S(SLJIT_R2) | A(SLJIT_S2) | B(SLJIT_R2))); 
 
	local_size += GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1) + SLJIT_LOCALS_OFFSET; 
	local_size = (local_size + 15) & ~0xf; 
	compiler->local_size = local_size; 
 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
	if (local_size <= SIMM_MAX) 
		FAIL_IF(push_inst(compiler, STWU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); 
	else { 
		FAIL_IF(load_immediate(compiler, 0, -local_size)); 
		FAIL_IF(push_inst(compiler, STWUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); 
	} 
#else 
	if (local_size <= SIMM_MAX) 
		FAIL_IF(push_inst(compiler, STDU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size))); 
	else { 
		FAIL_IF(load_immediate(compiler, 0, -local_size)); 
		FAIL_IF(push_inst(compiler, STDUX | S(SLJIT_SP) | A(SLJIT_SP) | B(0))); 
	} 
#endif 
 
	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; 
	compiler->local_size = (local_size + 15) & ~0xf; 
	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 i, tmp, offs; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_return(compiler, op, src, srcw)); 
 
	FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); 
 
	if (compiler->local_size <= SIMM_MAX) 
		FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_SP) | A(SLJIT_SP) | IMM(compiler->local_size))); 
	else { 
		FAIL_IF(load_immediate(compiler, 0, compiler->local_size)); 
		FAIL_IF(push_inst(compiler, ADD | D(SLJIT_SP) | A(SLJIT_SP) | B(0))); 
	} 
 
#if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2) 
	FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(2 * sizeof(sljit_sw)))); 
#else 
	FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(SLJIT_SP) | IMM(sizeof(sljit_sw)))); 
#endif 
 
	offs = -(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 | D(i) | A(SLJIT_SP) | IMM(offs))); 
		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 | D(i) | A(SLJIT_SP) | IMM(offs))); 
		offs += (sljit_s32)(sizeof(sljit_sw)); 
	} 
 
	FAIL_IF(push_inst(compiler, STACK_LOAD | D(TMP_ZERO) | A(SLJIT_SP) | IMM(offs))); 
	SLJIT_ASSERT(offs == -(sljit_sw)(sizeof(sljit_sw))); 
 
	FAIL_IF(push_inst(compiler, MTLR | S(0))); 
	FAIL_IF(push_inst(compiler, BLR)); 
 
	return SLJIT_SUCCESS; 
} 
 
#undef STACK_STORE 
#undef STACK_LOAD 
 
/* --------------------------------------------------------------------- */ 
/*  Operators                                                            */ 
/* --------------------------------------------------------------------- */ 
 
/* s/l - store/load (1 bit) 
   i/x - immediate/indexed form 
   u/s - signed/unsigned (1 bit) 
   w/b/h/i - word/byte/half/int allowed (2 bit) 
 
   Some opcodes are repeated (e.g. store signed / unsigned byte is the same instruction). */ 
 
/* 64 bit only: [reg+imm] must be aligned to 4 bytes. */ 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define INT_ALIGNED	0x10000 
#endif 
 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
#define ARCH_32_64(a, b)	a 
#define INST_CODE_AND_DST(inst, flags, reg) \ 
	((inst) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) 
#else 
#define ARCH_32_64(a, b)	b 
#define INST_CODE_AND_DST(inst, flags, reg) \ 
	(((inst) & ~INT_ALIGNED) | (((flags) & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))) 
#endif 
 
static const sljit_ins data_transfer_insts[64 + 16] = { 
 
/* -------- Integer -------- */ 
 
/* Word. */ 
 
/* w u i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), 
/* w u i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), 
/* w u x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), 
/* w u x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), 
 
/* w s i s */ ARCH_32_64(HI(36) /* stw */, HI(62) | INT_ALIGNED | 0x0 /* std */), 
/* w s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x0 /* ld */), 
/* w s x s */ ARCH_32_64(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), 
/* w s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), 
 
/* Byte. */ 
 
/* b u i s */ HI(38) /* stb */, 
/* b u i l */ HI(34) /* lbz */, 
/* b u x s */ HI(31) | LO(215) /* stbx */, 
/* b u x l */ HI(31) | LO(87) /* lbzx */, 
 
/* b s i s */ HI(38) /* stb */, 
/* b s i l */ HI(34) /* lbz */ /* EXTS_REQ */, 
/* b s x s */ HI(31) | LO(215) /* stbx */, 
/* b s x l */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */, 
 
/* Half. */ 
 
/* h u i s */ HI(44) /* sth */, 
/* h u i l */ HI(40) /* lhz */, 
/* h u x s */ HI(31) | LO(407) /* sthx */, 
/* h u x l */ HI(31) | LO(279) /* lhzx */, 
 
/* h s i s */ HI(44) /* sth */, 
/* h s i l */ HI(42) /* lha */, 
/* h s x s */ HI(31) | LO(407) /* sthx */, 
/* h s x l */ HI(31) | LO(343) /* lhax */, 
 
/* Int. */ 
 
/* i u i s */ HI(36) /* stw */, 
/* i u i l */ HI(32) /* lwz */, 
/* i u x s */ HI(31) | LO(151) /* stwx */, 
/* i u x l */ HI(31) | LO(23) /* lwzx */, 
 
/* i s i s */ HI(36) /* stw */, 
/* i s i l */ ARCH_32_64(HI(32) /* lwz */, HI(58) | INT_ALIGNED | 0x2 /* lwa */), 
/* i s x s */ HI(31) | LO(151) /* stwx */, 
/* i s x l */ ARCH_32_64(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */), 
 
/* -------- Floating point -------- */ 
 
/* d   i s */ HI(54) /* stfd */, 
/* d   i l */ HI(50) /* lfd */, 
/* d   x s */ HI(31) | LO(727) /* stfdx */, 
/* d   x l */ HI(31) | LO(599) /* lfdx */, 
 
/* s   i s */ HI(52) /* stfs */, 
/* s   i l */ HI(48) /* lfs */, 
/* s   x s */ HI(31) | LO(663) /* stfsx */, 
/* s   x l */ HI(31) | LO(535) /* lfsx */, 
}; 
 
static const sljit_ins updated_data_transfer_insts[64] = { 
 
/* -------- Integer -------- */ 
 
/* Word. */ 
 
/* w u i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), 
/* w u i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), 
/* w u x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), 
/* w u x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), 
 
/* w s i s */ ARCH_32_64(HI(37) /* stwu */, HI(62) | INT_ALIGNED | 0x1 /* stdu */), 
/* w s i l */ ARCH_32_64(HI(33) /* lwzu */, HI(58) | INT_ALIGNED | 0x1 /* ldu */), 
/* w s x s */ ARCH_32_64(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), 
/* w s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), 
 
/* Byte. */ 
 
/* b u i s */ HI(39) /* stbu */, 
/* b u i l */ HI(35) /* lbzu */, 
/* b u x s */ HI(31) | LO(247) /* stbux */, 
/* b u x l */ HI(31) | LO(119) /* lbzux */, 
 
/* b s i s */ HI(39) /* stbu */, 
/* b s i l */ 0 /* no such instruction */, 
/* b s x s */ HI(31) | LO(247) /* stbux */, 
/* b s x l */ 0 /* no such instruction */, 
 
/* Half. */ 
 
/* h u i s */ HI(45) /* sthu */, 
/* h u i l */ HI(41) /* lhzu */, 
/* h u x s */ HI(31) | LO(439) /* sthux */, 
/* h u x l */ HI(31) | LO(311) /* lhzux */, 
 
/* h s i s */ HI(45) /* sthu */, 
/* h s i l */ HI(43) /* lhau */, 
/* h s x s */ HI(31) | LO(439) /* sthux */, 
/* h s x l */ HI(31) | LO(375) /* lhaux */, 
 
/* Int. */ 
 
/* i u i s */ HI(37) /* stwu */, 
/* i u i l */ HI(33) /* lwzu */, 
/* i u x s */ HI(31) | LO(183) /* stwux */, 
/* i u x l */ HI(31) | LO(55) /* lwzux */, 
 
/* i s i s */ HI(37) /* stwu */, 
/* i s i l */ ARCH_32_64(HI(33) /* lwzu */, 0 /* no such instruction */), 
/* i s x s */ HI(31) | LO(183) /* stwux */, 
/* i s x l */ ARCH_32_64(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */), 
 
/* -------- Floating point -------- */ 
 
/* d   i s */ HI(55) /* stfdu */, 
/* d   i l */ HI(51) /* lfdu */, 
/* d   x s */ HI(31) | LO(759) /* stfdux */, 
/* d   x l */ HI(31) | LO(631) /* lfdux */, 
 
/* s   i s */ HI(53) /* stfsu */, 
/* s   i l */ HI(49) /* lfsu */, 
/* s   x s */ HI(31) | LO(695) /* stfsux */, 
/* s   x l */ HI(31) | LO(567) /* lfsux */, 
}; 
 
#undef ARCH_32_64 
 
/* Simple cases, (no caching is required). */ 
static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 inp_flags, sljit_s32 reg, 
	sljit_s32 arg, sljit_sw argw, sljit_s32 tmp_reg) 
{ 
	sljit_ins inst; 
	sljit_s32 offs_reg; 
	sljit_sw high_short; 
 
	/* Should work when (arg & REG_MASK) == 0. */ 
	SLJIT_ASSERT(A(0) == 0); 
	SLJIT_ASSERT(arg & SLJIT_MEM); 
 
	if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { 
		argw &= 0x3; 
		offs_reg = OFFS_REG(arg); 
 
		if (argw != 0) { 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
			FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(arg)) | A(tmp_reg) | (argw << 11) | ((31 - argw) << 1))); 
#else 
			FAIL_IF(push_inst(compiler, RLDI(tmp_reg, OFFS_REG(arg), argw, 63 - argw, 1))); 
#endif 
			offs_reg = tmp_reg; 
		} 
 
		inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		SLJIT_ASSERT(!(inst & INT_ALIGNED)); 
#endif 
 
		return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg & REG_MASK) | B(offs_reg)); 
	} 
 
	inst = data_transfer_insts[inp_flags & MEM_MASK]; 
	arg &= REG_MASK; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if ((inst & INT_ALIGNED) && (argw & 0x3) != 0) { 
		FAIL_IF(load_immediate(compiler, tmp_reg, argw)); 
 
		inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; 
		return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); 
	} 
#endif 
 
	if (argw <= SIMM_MAX && argw >= SIMM_MIN) 
		return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | IMM(argw)); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (argw <= 0x7fff7fffl && argw >= -0x80000000l) { 
#endif 
 
		high_short = (sljit_s32)(argw + ((argw & 0x8000) << 1)) & ~0xffff; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		SLJIT_ASSERT(high_short && high_short <= 0x7fffffffl && high_short >= -0x80000000l); 
#else 
		SLJIT_ASSERT(high_short); 
#endif 
 
		FAIL_IF(push_inst(compiler, ADDIS | D(tmp_reg) | A(arg) | IMM(high_short >> 16))); 
		return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(tmp_reg) | IMM(argw)); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	} 
 
	/* The rest is PPC-64 only. */ 
 
	FAIL_IF(load_immediate(compiler, tmp_reg, argw)); 
 
	inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; 
	return push_inst(compiler, INST_CODE_AND_DST(inst, inp_flags, reg) | A(arg) | B(tmp_reg)); 
#endif 
} 
 
static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 input_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 
	   result goes to TMP_REG2, so put result can use TMP_REG1. */ 
	sljit_s32 dst_r = TMP_REG2; 
	sljit_s32 src1_r; 
	sljit_s32 src2_r; 
	sljit_s32 sugg_src2_r = TMP_REG2; 
	sljit_s32 flags = input_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_SIGN_EXT | ALT_SET_FLAGS); 
 
	/* Destination check. */ 
	if (SLOW_IS_REG(dst)) { 
		dst_r = dst; 
		flags |= REG_DEST; 
 
		if (op >= SLJIT_MOV && op <= SLJIT_MOV_P) 
			sugg_src2_r = dst_r; 
	} 
 
	/* Source 1. */ 
	if (FAST_IS_REG(src1)) { 
		src1_r = src1; 
		flags |= REG1_SOURCE; 
	} 
	else if (src1 & SLJIT_IMM) { 
		FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); 
		src1_r = TMP_REG1; 
	} 
	else { 
		FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, src1, src1w, TMP_REG1)); 
		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) { 
		FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); 
		src2_r = sugg_src2_r; 
	} 
	else { 
		FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, sugg_src2_r, src2, src2w, TMP_REG2)); 
		src2_r = sugg_src2_r; 
	} 
 
	FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); 
 
	if (!(dst & SLJIT_MEM)) 
		return SLJIT_SUCCESS; 
 
	return emit_op_mem(compiler, input_flags, dst_r, dst, dstw, TMP_REG1); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) 
{ 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_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: 
	case SLJIT_NOP: 
		return push_inst(compiler, NOP); 
	case SLJIT_LMUL_UW: 
	case SLJIT_LMUL_SW: 
		FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); 
		return push_inst(compiler, (op == SLJIT_LMUL_UW ? MULHDU : MULHD) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); 
#else 
		FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R1))); 
		return push_inst(compiler, (op == SLJIT_LMUL_UW ? MULHWU : MULHW) | D(SLJIT_R1) | A(TMP_REG1) | B(SLJIT_R1)); 
#endif 
	case SLJIT_DIVMOD_UW: 
	case SLJIT_DIVMOD_SW: 
		FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0) | A(TMP_REG1) | B(SLJIT_R0))); 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		FAIL_IF(push_inst(compiler, (int_op ? (op == SLJIT_DIVMOD_UW ? DIVWU : DIVW) : (op == SLJIT_DIVMOD_UW ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); 
		FAIL_IF(push_inst(compiler, (int_op ? MULLW : MULLD) | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); 
#else 
		FAIL_IF(push_inst(compiler, (op == SLJIT_DIVMOD_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1))); 
		FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_R1) | A(SLJIT_R0) | B(SLJIT_R1))); 
#endif 
		return push_inst(compiler, SUBF | D(SLJIT_R1) | A(SLJIT_R1) | B(TMP_REG1)); 
	case SLJIT_DIV_UW: 
	case SLJIT_DIV_SW: 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		return push_inst(compiler, (int_op ? (op == SLJIT_DIV_UW ? DIVWU : DIVW) : (op == SLJIT_DIV_UW ? DIVDU : DIVD)) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); 
#else 
		return push_inst(compiler, (op == SLJIT_DIV_UW ? DIVWU : DIVW) | D(SLJIT_R0) | A(SLJIT_R0) | B(SLJIT_R1)); 
#endif 
	} 
 
	return SLJIT_SUCCESS; 
} 
 
static sljit_s32 emit_prefetch(struct sljit_compiler *compiler, 
        sljit_s32 src, sljit_sw srcw) 
{ 
	if (!(src & OFFS_REG_MASK)) { 
		if (srcw == 0 && (src & REG_MASK) != SLJIT_UNUSED) 
			return push_inst(compiler, DCBT | A(0) | B(src & REG_MASK)); 
 
		FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); 
		/* Works with SLJIT_MEM0() case as well. */ 
		return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); 
	} 
 
	srcw &= 0x3; 
 
	if (srcw == 0) 
		return push_inst(compiler, DCBT | A(src & REG_MASK) | B(OFFS_REG(src))); 
 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
	FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(src)) | A(TMP_REG1) | (srcw << 11) | ((31 - srcw) << 1))); 
#else 
	FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(src), srcw, 63 - srcw, 1))); 
#endif 
	return push_inst(compiler, DCBT | A(src & REG_MASK) | B(TMP_REG1)); 
} 
 
#define EMIT_MOV(type, type_flags, type_cast) \ 
	emit_op(compiler, (src & SLJIT_IMM) ? SLJIT_MOV : type, flags | (type_flags), dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? type_cast srcw : srcw) 
 
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) 
{ 
	sljit_s32 flags = HAS_FLAGS(op) ? ALT_SET_FLAGS : 0; 
	sljit_s32 op_flags = GET_ALL_FLAGS(op); 
 
	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 (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) 
			return emit_prefetch(compiler, src, srcw); 
 
		return SLJIT_SUCCESS; 
	} 
 
	op = GET_OPCODE(op); 
	if ((src & SLJIT_IMM) && srcw == 0) 
		src = TMP_ZERO; 
 
	if (GET_FLAG_TYPE(op_flags) == SLJIT_OVERFLOW) 
		FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); 
 
	if (op < SLJIT_NOT && FAST_IS_REG(src) && src == dst) { 
		if (!TYPE_CAST_NEEDED(op)) 
			return SLJIT_SUCCESS; 
	} 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (op_flags & SLJIT_I32_OP) { 
		if (op < SLJIT_NOT) { 
			if (src & SLJIT_MEM) { 
				if (op == SLJIT_MOV_S32) 
					op = SLJIT_MOV_U32; 
			} 
			else if (src & SLJIT_IMM) { 
				if (op == SLJIT_MOV_U32) 
					op = SLJIT_MOV_S32; 
			} 
		} 
		else { 
			/* Most operations expect sign extended arguments. */ 
			flags |= INT_DATA | SIGNED_DATA; 
			if (HAS_FLAGS(op_flags)) 
				flags |= ALT_SIGN_EXT; 
		} 
	} 
#endif 
 
	switch (op) { 
	case SLJIT_MOV: 
	case SLJIT_MOV_P: 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
	case SLJIT_MOV_U32: 
	case SLJIT_MOV_S32: 
#endif 
		return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	case SLJIT_MOV_U32: 
		return EMIT_MOV(SLJIT_MOV_U32, INT_DATA, (sljit_u32)); 
 
	case SLJIT_MOV_S32: 
		return EMIT_MOV(SLJIT_MOV_S32, INT_DATA | SIGNED_DATA, (sljit_s32)); 
#endif 
 
	case SLJIT_MOV_U8: 
		return EMIT_MOV(SLJIT_MOV_U8, BYTE_DATA, (sljit_u8)); 
 
	case SLJIT_MOV_S8: 
		return EMIT_MOV(SLJIT_MOV_S8, BYTE_DATA | SIGNED_DATA, (sljit_s8)); 
 
	case SLJIT_MOV_U16: 
		return EMIT_MOV(SLJIT_MOV_U16, HALF_DATA, (sljit_u16)); 
 
	case SLJIT_MOV_S16: 
		return EMIT_MOV(SLJIT_MOV_S16, HALF_DATA | SIGNED_DATA, (sljit_s16)); 
 
	case SLJIT_NOT: 
		return emit_op(compiler, SLJIT_NOT, flags, dst, dstw, TMP_REG1, 0, src, srcw); 
 
	case SLJIT_NEG: 
		return emit_op(compiler, SLJIT_NEG, flags | (GET_FLAG_TYPE(op_flags) ? ALT_FORM1 : 0), dst, dstw, TMP_REG1, 0, src, srcw); 
 
	case SLJIT_CLZ: 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		return emit_op(compiler, SLJIT_CLZ, flags | (!(op_flags & SLJIT_I32_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw); 
#else 
		return emit_op(compiler, SLJIT_CLZ, flags, dst, dstw, TMP_REG1, 0, src, srcw); 
#endif 
	} 
 
	return SLJIT_SUCCESS; 
} 
 
#undef EMIT_MOV 
 
#define TEST_SL_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN) 
 
#define TEST_UL_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && !((srcw) & ~0xffff)) 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define TEST_SH_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= 0x7fffffffl && (srcw) >= -0x80000000l) 
#else 
#define TEST_SH_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && !((srcw) & 0xffff)) 
#endif 
 
#define TEST_UH_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000)) 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define TEST_ADD_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && (srcw) <= 0x7fff7fffl && (srcw) >= -0x80000000l) 
#else 
#define TEST_ADD_IMM(src, srcw) \ 
	((src) & SLJIT_IMM) 
#endif 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define TEST_UI_IMM(src, srcw) \ 
	(((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff)) 
#else 
#define TEST_UI_IMM(src, srcw) \ 
	((src) & SLJIT_IMM) 
#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) 
{ 
	sljit_s32 flags = HAS_FLAGS(op) ? ALT_SET_FLAGS : 0; 
 
	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 ((src1 & SLJIT_IMM) && src1w == 0) 
		src1 = TMP_ZERO; 
	if ((src2 & SLJIT_IMM) && src2w == 0) 
		src2 = TMP_ZERO; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (op & SLJIT_I32_OP) { 
		/* Most operations expect sign extended arguments. */ 
		flags |= INT_DATA | SIGNED_DATA; 
		if (src1 & SLJIT_IMM) 
			src1w = (sljit_s32)(src1w); 
		if (src2 & SLJIT_IMM) 
			src2w = (sljit_s32)(src2w); 
		if (HAS_FLAGS(op)) 
			flags |= ALT_SIGN_EXT; 
	} 
#endif 
	if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) 
		FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_ADD: 
		if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) 
			return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); 
 
		if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { 
			if (TEST_SL_IMM(src2, src2w)) { 
				compiler->imm = src2w & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_SL_IMM(src1, src1w)) { 
				compiler->imm = src1w & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
			if (TEST_SH_IMM(src2, src2w)) { 
				compiler->imm = (src2w >> 16) & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_SH_IMM(src1, src1w)) { 
				compiler->imm = (src1w >> 16) & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
			/* Range between -1 and -32768 is covered above. */ 
			if (TEST_ADD_IMM(src2, src2w)) { 
				compiler->imm = src2w & 0xffffffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_ADD_IMM(src1, src1w)) { 
				compiler->imm = src1w & 0xffffffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
		} 
		if (HAS_FLAGS(op)) { 
			if (TEST_SL_IMM(src2, src2w)) { 
				compiler->imm = src2w & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_SL_IMM(src1, src1w)) { 
				compiler->imm = src1w & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
		} 
		return emit_op(compiler, SLJIT_ADD, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM4 : 0), dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_ADDC: 
		return emit_op(compiler, SLJIT_ADDC, flags, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_SUB: 
		if (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_LESS_EQUAL) { 
			if (dst == SLJIT_UNUSED) { 
				if (TEST_UL_IMM(src2, src2w)) { 
					compiler->imm = src2w & 0xffff; 
					return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); 
				} 
				return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1, dst, dstw, src1, src1w, src2, src2w); 
			} 
 
			if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= (SIMM_MAX + 1)) { 
				compiler->imm = src2w; 
				return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM1 | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w); 
		} 
 
		if (GET_FLAG_TYPE(op) == SLJIT_OVERFLOW) 
			return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, src2, src2w); 
 
		if (!HAS_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { 
			if (TEST_SL_IMM(src2, -src2w)) { 
				compiler->imm = (-src2w) & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_SL_IMM(src1, src1w)) { 
				compiler->imm = src1w & 0xffff; 
				return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
			if (TEST_SH_IMM(src2, -src2w)) { 
				compiler->imm = ((-src2w) >> 16) & 0xffff; 
				return emit_op(compiler, SLJIT_ADD, flags |  ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			/* Range between -1 and -32768 is covered above. */ 
			if (TEST_ADD_IMM(src2, -src2w)) { 
				compiler->imm = -src2w & 0xffffffff; 
				return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
		} 
 
		if (dst == SLJIT_UNUSED && GET_FLAG_TYPE(op) != GET_FLAG_TYPE(SLJIT_SET_CARRY)) { 
			if (TEST_SL_IMM(src2, src2w)) { 
				compiler->imm = src2w & 0xffff; 
				return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); 
		} 
 
		if (TEST_SL_IMM(src2, -src2w)) { 
			compiler->imm = (-src2w) & 0xffff; 
			return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
		} 
		/* We know ALT_SIGN_EXT is set if it is an SLJIT_I32_OP on 64 bit systems. */ 
		return emit_op(compiler, SLJIT_SUB, flags | ((GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_SUBC: 
		return emit_op(compiler, SLJIT_SUBC, flags, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_MUL: 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		if (op & SLJIT_I32_OP) 
			flags |= ALT_FORM2; 
#endif 
		if (!HAS_FLAGS(op)) { 
			if (TEST_SL_IMM(src2, src2w)) { 
				compiler->imm = src2w & 0xffff; 
				return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_SL_IMM(src1, src1w)) { 
				compiler->imm = src1w & 0xffff; 
				return emit_op(compiler, SLJIT_MUL, flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
		} 
		else 
			FAIL_IF(push_inst(compiler, MTXER | S(TMP_ZERO))); 
		return emit_op(compiler, SLJIT_MUL, flags, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_AND: 
	case SLJIT_OR: 
	case SLJIT_XOR: 
		/* Commutative unsigned operations. */ 
		if (!HAS_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) { 
			if (TEST_UL_IMM(src2, src2w)) { 
				compiler->imm = src2w; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_UL_IMM(src1, src1w)) { 
				compiler->imm = src1w; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
			if (TEST_UH_IMM(src2, src2w)) { 
				compiler->imm = (src2w >> 16) & 0xffff; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_UH_IMM(src1, src1w)) { 
				compiler->imm = (src1w >> 16) & 0xffff; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
		} 
		if (GET_OPCODE(op) != SLJIT_AND && GET_OPCODE(op) != SLJIT_AND) { 
			/* Unlike or and xor, and resets unwanted bits as well. */ 
			if (TEST_UI_IMM(src2, src2w)) { 
				compiler->imm = src2w; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); 
			} 
			if (TEST_UI_IMM(src1, src1w)) { 
				compiler->imm = src1w; 
				return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); 
			} 
		} 
		return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); 
 
	case SLJIT_SHL: 
	case SLJIT_LSHR: 
	case SLJIT_ASHR: 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		if (op & SLJIT_I32_OP) 
			flags |= ALT_FORM2; 
#endif 
		if (src2 & SLJIT_IMM) { 
			compiler->imm = src2w; 
			return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); 
		} 
		return emit_op(compiler, GET_OPCODE(op), flags, dst, dstw, src1, src1w, src2, src2w); 
	} 
 
	return SLJIT_SUCCESS; 
} 
 
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 freg_map[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); 
} 
 
/* --------------------------------------------------------------------- */ 
/*  Floating point operators                                             */ 
/* --------------------------------------------------------------------- */ 
 
#define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 6)) 
#define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double) 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
#define FLOAT_TMP_MEM_OFFSET (6 * sizeof(sljit_sw)) 
#else 
#define FLOAT_TMP_MEM_OFFSET (2 * sizeof(sljit_sw)) 
 
#if (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) 
#define FLOAT_TMP_MEM_OFFSET_LOW (2 * sizeof(sljit_sw)) 
#define FLOAT_TMP_MEM_OFFSET_HI (3 * sizeof(sljit_sw)) 
#else 
#define FLOAT_TMP_MEM_OFFSET_LOW (3 * sizeof(sljit_sw)) 
#define FLOAT_TMP_MEM_OFFSET_HI (2 * sizeof(sljit_sw)) 
#endif 
 
#endif /* SLJIT_CONFIG_PPC_64 */ 
 
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 (src & SLJIT_MEM) { 
		/* We can ignore the temporary data store on the stack from caching point of view. */ 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); 
		src = TMP_FREG1; 
	} 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	op = GET_OPCODE(op); 
	FAIL_IF(push_inst(compiler, (op == SLJIT_CONV_S32_FROM_F64 ? FCTIWZ : FCTIDZ) | FD(TMP_FREG1) | FB(src))); 
 
	if (op == SLJIT_CONV_SW_FROM_F64) { 
		if (FAST_IS_REG(dst)) { 
			FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); 
			return emit_op_mem(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); 
		} 
		return emit_op_mem(compiler, DOUBLE_DATA, TMP_FREG1, dst, dstw, TMP_REG1); 
	} 
#else 
	FAIL_IF(push_inst(compiler, FCTIWZ | FD(TMP_FREG1) | FB(src))); 
#endif 
 
	if (FAST_IS_REG(dst)) { 
		FAIL_IF(load_immediate(compiler, TMP_REG1, FLOAT_TMP_MEM_OFFSET)); 
		FAIL_IF(push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(SLJIT_SP) | B(TMP_REG1))); 
		return emit_op_mem(compiler, INT_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1); 
	} 
 
	SLJIT_ASSERT(dst & SLJIT_MEM); 
 
	if (dst & OFFS_REG_MASK) { 
		dstw &= 0x3; 
		if (dstw) { 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
			FAIL_IF(push_inst(compiler, RLWINM | S(OFFS_REG(dst)) | A(TMP_REG1) | (dstw << 11) | ((31 - dstw) << 1))); 
#else 
			FAIL_IF(push_inst(compiler, RLDI(TMP_REG1, OFFS_REG(dst), dstw, 63 - dstw, 1))); 
#endif 
			dstw = TMP_REG1; 
		} 
		else 
			dstw = OFFS_REG(dst); 
	} 
	else { 
		if ((dst & REG_MASK) && !dstw) { 
			dstw = dst & REG_MASK; 
			dst = 0; 
		} 
		else { 
			/* This works regardless we have SLJIT_MEM1 or SLJIT_MEM0. */ 
			FAIL_IF(load_immediate(compiler, TMP_REG1, dstw)); 
			dstw = TMP_REG1; 
		} 
	} 
 
	return push_inst(compiler, STFIWX | FS(TMP_FREG1) | A(dst & REG_MASK) | B(dstw)); 
} 
 
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_PPC_64 && SLJIT_CONFIG_PPC_64) 
 
	sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; 
 
	if (src & SLJIT_IMM) { 
		if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) 
			srcw = (sljit_s32)srcw; 
		FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); 
		src = TMP_REG1; 
	} 
	else if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32) { 
		if (FAST_IS_REG(src)) 
			FAIL_IF(push_inst(compiler, EXTSW | S(src) | A(TMP_REG1))); 
		else 
			FAIL_IF(emit_op_mem(compiler, INT_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); 
		src = TMP_REG1; 
	} 
 
	if (FAST_IS_REG(src)) { 
		FAIL_IF(emit_op_mem(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); 
		FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); 
	} 
	else 
		FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, TMP_REG1)); 
 
	FAIL_IF(push_inst(compiler, FCFID | FD(dst_r) | FB(TMP_FREG1))); 
 
	if (dst & SLJIT_MEM) 
		return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); 
	if (op & SLJIT_F32_OP) 
		return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); 
	return SLJIT_SUCCESS; 
 
#else 
 
	sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; 
	sljit_s32 invert_sign = 1; 
 
	if (src & SLJIT_IMM) { 
		FAIL_IF(load_immediate(compiler, TMP_REG1, srcw ^ 0x80000000)); 
		src = TMP_REG1; 
		invert_sign = 0; 
	} 
	else if (!FAST_IS_REG(src)) { 
		FAIL_IF(emit_op_mem(compiler, WORD_DATA | SIGNED_DATA | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); 
		src = TMP_REG1; 
	} 
 
	/* First, a special double floating point value is constructed: (2^53 + (input xor (2^31))) 
	   The double precision format has exactly 53 bit precision, so the lower 32 bit represents 
	   the lower 32 bit of such value. The result of xor 2^31 is the same as adding 0x80000000 
	   to the input, which shifts it into the 0 - 0xffffffff range. To get the converted floating 
	   point value, we need to substract 2^53 + 2^31 from the constructed value. */ 
	FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG2) | A(0) | 0x4330)); 
	if (invert_sign) 
		FAIL_IF(push_inst(compiler, XORIS | S(src) | A(TMP_REG1) | 0x8000)); 
	FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_HI, TMP_REG1)); 
	FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); 
	FAIL_IF(push_inst(compiler, ADDIS | D(TMP_REG1) | A(0) | 0x8000)); 
	FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); 
	FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET_LOW, TMP_REG2)); 
	FAIL_IF(emit_op_mem(compiler, DOUBLE_DATA | LOAD_DATA, TMP_FREG2, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, TMP_REG1)); 
 
	FAIL_IF(push_inst(compiler, FSUB | FD(dst_r) | FA(TMP_FREG1) | FB(TMP_FREG2))); 
 
	if (dst & SLJIT_MEM) 
		return emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, TMP_REG1); 
	if (op & SLJIT_F32_OP) 
		return push_inst(compiler, FRSP | FD(dst_r) | FB(dst_r)); 
	return SLJIT_SUCCESS; 
 
#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) 
{ 
	if (src1 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); 
		src1 = TMP_FREG1; 
	} 
 
	if (src2 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); 
		src2 = TMP_FREG2; 
	} 
 
	return push_inst(compiler, FCMPU | CRD(4) | FA(src1) | FB(src2)); 
} 
 
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(); 
 
	SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x4), 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_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, TMP_REG1)); 
		src = dst_r; 
	} 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_CONV_F64_FROM_F32: 
		op ^= SLJIT_F32_OP; 
		if (op & SLJIT_F32_OP) { 
			FAIL_IF(push_inst(compiler, FRSP | FD(dst_r) | FB(src))); 
			break; 
		} 
		/* Fall through. */ 
	case SLJIT_MOV_F64: 
		if (src != dst_r) { 
			if (dst_r != TMP_FREG1) 
				FAIL_IF(push_inst(compiler, FMR | FD(dst_r) | FB(src))); 
			else 
				dst_r = src; 
		} 
		break; 
	case SLJIT_NEG_F64: 
		FAIL_IF(push_inst(compiler, FNEG | FD(dst_r) | FB(src))); 
		break; 
	case SLJIT_ABS_F64: 
		FAIL_IF(push_inst(compiler, FABS | FD(dst_r) | FB(src))); 
		break; 
	} 
 
	if (dst & SLJIT_MEM) 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), dst_r, dst, dstw, TMP_REG1)); 
	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; 
 
	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); 
 
	dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2; 
 
	if (src1 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, TMP_REG1)); 
		src1 = TMP_FREG1; 
	} 
 
	if (src2 & SLJIT_MEM) { 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, TMP_REG2)); 
		src2 = TMP_FREG2; 
	} 
 
	switch (GET_OPCODE(op)) { 
	case SLJIT_ADD_F64: 
		FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADD) | FD(dst_r) | FA(src1) | FB(src2))); 
		break; 
 
	case SLJIT_SUB_F64: 
		FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUB) | FD(dst_r) | FA(src1) | FB(src2))); 
		break; 
 
	case SLJIT_MUL_F64: 
		FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMUL) | FD(dst_r) | FA(src1) | FC(src2) /* FMUL use FC as src2 */)); 
		break; 
 
	case SLJIT_DIV_F64: 
		FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIV) | FD(dst_r) | FA(src1) | FB(src2))); 
		break; 
	} 
 
	if (dst & SLJIT_MEM) 
		FAIL_IF(emit_op_mem(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, TMP_REG1)); 
 
	return SLJIT_SUCCESS; 
} 
 
#undef SELECT_FOP 
 
/* --------------------------------------------------------------------- */ 
/*  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, MFLR | D(dst)); 
 
	/* Memory. */ 
	FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2))); 
	return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); 
} 
 
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, MTLR | S(src))); 
	else { 
		FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); 
		FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); 
	} 
 
	return push_inst(compiler, BLR); 
} 
 
/* --------------------------------------------------------------------- */ 
/*  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); 
	return label; 
} 
 
static sljit_ins get_bo_bi_flags(sljit_s32 type) 
{ 
	switch (type) { 
	case SLJIT_EQUAL: 
		return (12 << 21) | (2 << 16); 
 
	case SLJIT_NOT_EQUAL: 
		return (4 << 21) | (2 << 16); 
 
	case SLJIT_LESS: 
	case SLJIT_SIG_LESS: 
		return (12 << 21) | (0 << 16); 
 
	case SLJIT_GREATER_EQUAL: 
	case SLJIT_SIG_GREATER_EQUAL: 
		return (4 << 21) | (0 << 16); 
 
	case SLJIT_GREATER: 
	case SLJIT_SIG_GREATER: 
		return (12 << 21) | (1 << 16); 
 
	case SLJIT_LESS_EQUAL: 
	case SLJIT_SIG_LESS_EQUAL: 
		return (4 << 21) | (1 << 16); 
 
	case SLJIT_LESS_F64: 
		return (12 << 21) | ((4 + 0) << 16); 
 
	case SLJIT_GREATER_EQUAL_F64: 
		return (4 << 21) | ((4 + 0) << 16); 
 
	case SLJIT_GREATER_F64: 
		return (12 << 21) | ((4 + 1) << 16); 
 
	case SLJIT_LESS_EQUAL_F64: 
		return (4 << 21) | ((4 + 1) << 16); 
 
	case SLJIT_OVERFLOW: 
	case SLJIT_MUL_OVERFLOW: 
		return (12 << 21) | (3 << 16); 
 
	case SLJIT_NOT_OVERFLOW: 
	case SLJIT_MUL_NOT_OVERFLOW: 
		return (4 << 21) | (3 << 16); 
 
	case SLJIT_EQUAL_F64: 
		return (12 << 21) | ((4 + 2) << 16); 
 
	case SLJIT_NOT_EQUAL_F64: 
		return (4 << 21) | ((4 + 2) << 16); 
 
	case SLJIT_UNORDERED_F64: 
		return (12 << 21) | ((4 + 3) << 16); 
 
	case SLJIT_ORDERED_F64: 
		return (4 << 21) | ((4 + 3) << 16); 
 
	default: 
		SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_CDECL); 
		return (20 << 21); 
	} 
} 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type) 
{ 
	struct sljit_jump *jump; 
	sljit_ins bo_bi_flags; 
 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_jump(compiler, type)); 
 
	bo_bi_flags = get_bo_bi_flags(type & 0xff); 
	if (!bo_bi_flags) 
		return NULL; 
 
	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; 
 
	/* In PPC, we don't need to touch the arguments. */ 
	if (type < SLJIT_JUMP) 
		jump->flags |= IS_COND; 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) 
	if (type >= SLJIT_CALL) 
		jump->flags |= IS_CALL; 
#endif 
 
	PTR_FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); 
	PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_CALL_REG))); 
	jump->addr = compiler->size; 
	PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0))); 
	return jump; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 arg_types) 
{ 
	CHECK_ERROR_PTR(); 
	CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types)); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL)); 
#endif 
 
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ 
		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) 
	compiler->skip_checks = 1; 
#endif 
 
	return sljit_emit_jump(compiler, type); 
} 
 
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; 
	sljit_s32 src_r; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_ijump(compiler, type, src, srcw)); 
	ADJUST_LOCAL_OFFSET(src, srcw); 
 
	if (FAST_IS_REG(src)) { 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) 
		if (type >= SLJIT_CALL) { 
			FAIL_IF(push_inst(compiler, OR | S(src) | A(TMP_CALL_REG) | B(src))); 
			src_r = TMP_CALL_REG; 
		} 
		else 
			src_r = src; 
#else 
		src_r = src; 
#endif 
	} else if (src & SLJIT_IMM) { 
		/* These jumps are converted to jump/call instructions when possible. */ 
		jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); 
		FAIL_IF(!jump); 
		set_jump(jump, compiler, JUMP_ADDR); 
		jump->u.target = srcw; 
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL) 
		if (type >= SLJIT_CALL) 
			jump->flags |= IS_CALL; 
#endif 
		FAIL_IF(emit_const(compiler, TMP_CALL_REG, 0)); 
		src_r = TMP_CALL_REG; 
	} 
	else { 
		FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); 
		src_r = TMP_CALL_REG; 
	} 
 
	FAIL_IF(push_inst(compiler, MTCTR | S(src_r))); 
	if (jump) 
		jump->addr = compiler->size; 
	return push_inst(compiler, BCCTR | (20 << 21) | (type >= SLJIT_FAST_CALL ? 1 : 0)); 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 arg_types, 
	sljit_s32 src, sljit_sw srcw) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	if (src & SLJIT_MEM) { 
		ADJUST_LOCAL_OFFSET(src, srcw); 
		FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_CALL_REG, 0, TMP_REG1, 0, src, srcw)); 
		src = TMP_CALL_REG; 
	} 
 
	FAIL_IF(call_with_args(compiler, arg_types, &src)); 
#endif 
 
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ 
		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) 
	compiler->skip_checks = 1; 
#endif 
 
	return sljit_emit_ijump(compiler, type, src, srcw); 
} 
 
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 reg, input_flags, cr_bit, invert; 
	sljit_s32 saved_op = op; 
	sljit_sw saved_dstw = dstw; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); 
	ADJUST_LOCAL_OFFSET(dst, dstw); 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	input_flags = (op & SLJIT_I32_OP) ? INT_DATA : WORD_DATA; 
#else 
	input_flags = WORD_DATA; 
#endif 
 
	op = GET_OPCODE(op); 
	reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2; 
 
	if (op >= SLJIT_ADD && (dst & SLJIT_MEM)) 
		FAIL_IF(emit_op_mem(compiler, input_flags | LOAD_DATA, TMP_REG1, dst, dstw, TMP_REG1)); 
 
	invert = 0; 
	cr_bit = 0; 
 
	switch (type & 0xff) { 
	case SLJIT_LESS: 
	case SLJIT_SIG_LESS: 
		break; 
 
	case SLJIT_GREATER_EQUAL: 
	case SLJIT_SIG_GREATER_EQUAL: 
		invert = 1; 
		break; 
 
	case SLJIT_GREATER: 
	case SLJIT_SIG_GREATER: 
		cr_bit = 1; 
		break; 
 
	case SLJIT_LESS_EQUAL: 
	case SLJIT_SIG_LESS_EQUAL: 
		cr_bit = 1; 
		invert = 1; 
		break; 
 
	case SLJIT_EQUAL: 
		cr_bit = 2; 
		break; 
 
	case SLJIT_NOT_EQUAL: 
		cr_bit = 2; 
		invert = 1; 
		break; 
 
	case SLJIT_OVERFLOW: 
	case SLJIT_MUL_OVERFLOW: 
		cr_bit = 3; 
		break; 
 
	case SLJIT_NOT_OVERFLOW: 
	case SLJIT_MUL_NOT_OVERFLOW: 
		cr_bit = 3; 
		invert = 1; 
		break; 
 
	case SLJIT_LESS_F64: 
		cr_bit = 4 + 0; 
		break; 
 
	case SLJIT_GREATER_EQUAL_F64: 
		cr_bit = 4 + 0; 
		invert = 1; 
		break; 
 
	case SLJIT_GREATER_F64: 
		cr_bit = 4 + 1; 
		break; 
 
	case SLJIT_LESS_EQUAL_F64: 
		cr_bit = 4 + 1; 
		invert = 1; 
		break; 
 
	case SLJIT_EQUAL_F64: 
		cr_bit = 4 + 2; 
		break; 
 
	case SLJIT_NOT_EQUAL_F64: 
		cr_bit = 4 + 2; 
		invert = 1; 
		break; 
 
	case SLJIT_UNORDERED_F64: 
		cr_bit = 4 + 3; 
		break; 
 
	case SLJIT_ORDERED_F64: 
		cr_bit = 4 + 3; 
		invert = 1; 
		break; 
 
	default: 
		SLJIT_UNREACHABLE(); 
		break; 
	} 
 
	FAIL_IF(push_inst(compiler, MFCR | D(reg))); 
	FAIL_IF(push_inst(compiler, RLWINM | S(reg) | A(reg) | ((1 + (cr_bit)) << 11) | (31 << 6) | (31 << 1))); 
 
	if (invert) 
		FAIL_IF(push_inst(compiler, XORI | S(reg) | A(reg) | 0x1)); 
 
	if (op < SLJIT_ADD) { 
		if (!(dst & SLJIT_MEM)) 
			return SLJIT_SUCCESS; 
		return emit_op_mem(compiler, input_flags, reg, dst, dstw, TMP_REG1); 
	} 
 
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ 
		|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) 
	compiler->skip_checks = 1; 
#endif 
	if (dst & SLJIT_MEM) 
		return sljit_emit_op2(compiler, saved_op, dst, saved_dstw, TMP_REG1, 0, TMP_REG2, 0); 
	return sljit_emit_op2(compiler, saved_op, dst, 0, dst, 0, 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) 
{ 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); 
 
	return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 reg, 
	sljit_s32 mem, sljit_sw memw) 
{ 
	sljit_s32 mem_flags; 
	sljit_ins inst; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw)); 
 
	if (type & SLJIT_MEM_POST) 
		return SLJIT_ERR_UNSUPPORTED; 
 
	switch (type & 0xff) { 
	case SLJIT_MOV: 
	case SLJIT_MOV_P: 
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) 
	case SLJIT_MOV_U32: 
	case SLJIT_MOV_S32: 
#endif 
		mem_flags = WORD_DATA; 
		break; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
	case SLJIT_MOV_U32: 
		mem_flags = INT_DATA; 
		break; 
 
	case SLJIT_MOV_S32: 
		mem_flags = INT_DATA; 
 
		if (!(type & SLJIT_MEM_STORE) && !(type & SLJIT_I32_OP)) { 
			if (mem & OFFS_REG_MASK) 
				mem_flags |= SIGNED_DATA; 
			else 
				return SLJIT_ERR_UNSUPPORTED; 
		} 
		break; 
#endif 
 
	case SLJIT_MOV_U8: 
	case SLJIT_MOV_S8: 
		mem_flags = BYTE_DATA; 
		break; 
 
	case SLJIT_MOV_U16: 
		mem_flags = HALF_DATA; 
		break; 
 
	case SLJIT_MOV_S16: 
		mem_flags = HALF_DATA | SIGNED_DATA; 
		break; 
 
	default: 
		SLJIT_UNREACHABLE(); 
		mem_flags = WORD_DATA; 
		break; 
	} 
 
	if (!(type & SLJIT_MEM_STORE)) 
		mem_flags |= LOAD_DATA; 
 
	if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { 
		if (memw != 0) 
			return SLJIT_ERR_UNSUPPORTED; 
 
		if (type & SLJIT_MEM_SUPP) 
			return SLJIT_SUCCESS; 
 
		inst = updated_data_transfer_insts[mem_flags | INDEXED]; 
		FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | B(OFFS_REG(mem)))); 
	} 
	else { 
		if (memw > SIMM_MAX || memw < SIMM_MIN) 
			return SLJIT_ERR_UNSUPPORTED; 
 
		inst = updated_data_transfer_insts[mem_flags]; 
 
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) 
		if ((inst & INT_ALIGNED) && (memw & 0x3) != 0) 
			return SLJIT_ERR_UNSUPPORTED; 
#endif 
 
		if (type & SLJIT_MEM_SUPP) 
			return SLJIT_SUCCESS; 
 
		FAIL_IF(push_inst(compiler, INST_CODE_AND_DST(inst, 0, reg) | A(mem & REG_MASK) | IMM(memw))); 
	} 
 
	if ((mem_flags & LOAD_DATA) && (type & 0xff) == SLJIT_MOV_S8) 
		return push_inst(compiler, EXTSB | S(reg) | A(reg)); 
	return SLJIT_SUCCESS; 
} 
 
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type, 
	sljit_s32 freg, 
	sljit_s32 mem, sljit_sw memw) 
{ 
	sljit_s32 mem_flags; 
	sljit_ins inst; 
 
	CHECK_ERROR(); 
	CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw)); 
 
	if (type & SLJIT_MEM_POST) 
		return SLJIT_ERR_UNSUPPORTED; 
 
	if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { 
		if (memw != 0) 
			return SLJIT_ERR_UNSUPPORTED; 
	} 
	else { 
		if (memw > SIMM_MAX || memw < SIMM_MIN) 
			return SLJIT_ERR_UNSUPPORTED; 
	} 
 
	if (type & SLJIT_MEM_SUPP) 
		return SLJIT_SUCCESS; 
 
	mem_flags = FLOAT_DATA(type); 
 
	if (!(type & SLJIT_MEM_STORE)) 
		mem_flags |= LOAD_DATA; 
 
	if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { 
		inst = updated_data_transfer_insts[mem_flags | INDEXED]; 
		return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | B(OFFS_REG(mem))); 
	} 
 
	inst = updated_data_transfer_insts[mem_flags]; 
	return push_inst(compiler, INST_CODE_AND_DST(inst, DOUBLE_DATA, freg) | A(mem & REG_MASK) | IMM(memw)); 
} 
 
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_PPC_32 && SLJIT_CONFIG_PPC_32) 
	PTR_FAIL_IF(emit_const(compiler, dst_r, 0)); 
#else 
	PTR_FAIL_IF(push_inst(compiler, dst_r)); 
	compiler->size += 4; 
#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; 
}