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pcre2/src/sljit/sljitNativePPC_common.c

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/*
* 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
#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, 7, 8, 9, 10, 11, 12, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 0, 13
};
/* --------------------------------------------------------------------- */
/* Instrucion forms */
/* --------------------------------------------------------------------- */
#define D(d) ((sljit_ins)reg_map[d] << 21)
#define S(s) ((sljit_ins)reg_map[s] << 21)
#define A(a) ((sljit_ins)reg_map[a] << 16)
#define B(b) ((sljit_ins)reg_map[b] << 11)
#define C(c) ((sljit_ins)reg_map[c] << 6)
#define FD(fd) ((sljit_ins)freg_map[fd] << 21)
#define FS(fs) ((sljit_ins)freg_map[fs] << 21)
#define FA(fa) ((sljit_ins)freg_map[fa] << 16)
#define FB(fb) ((sljit_ins)freg_map[fb] << 11)
#define FC(fc) ((sljit_ins)freg_map[fc] << 6)
#define IMM(imm) ((sljit_ins)(imm) & 0xffff)
#define CRD(d) ((sljit_ins)(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) ((sljit_ins)(opcode) << 26)
#define LO(opcode) ((sljit_ins)(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 LFD (HI(50))
#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 STFD (HI(54))
#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) | ((sljit_ins)(type) << 2) | (((sljit_ins)(sh) & 0x1f) << 11) \
| (((sljit_ins)(sh) & 0x20) >> 4) | (((sljit_ins)(mb) & 0x1f) << 6) | ((sljit_ins)(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_uw addr, void* func)
{
sljit_uw* ptrs;
if (func_ptr)
*func_ptr = (void*)context;
ptrs = (sljit_uw*)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_uw 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 -= SSIZE_OF(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_u32 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), compiler->exec_allocator_data);
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 = (sljit_uw)(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 = (sljit_uw)(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 | ((sljit_ins)addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001);
}
else {
SLJIT_ASSERT(addr <= 0xffff);
*buf_ptr = BCx | ((sljit_ins)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 | ((sljit_ins)addr & 0x03fffffc) | ((*buf_ptr) & 0x1);
}
else {
SLJIT_ASSERT(addr <= 0x03ffffff);
*buf_ptr = Bx | ((sljit_ins)addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1);
}
}
break;
}
/* Set the fields of immediate loads. */
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
SLJIT_ASSERT(((buf_ptr[0] | buf_ptr[1]) & 0xffff) == 0);
buf_ptr[0] |= (sljit_ins)(addr >> 16) & 0xffff;
buf_ptr[1] |= (sljit_ins)addr & 0xffff;
#else
if (jump->flags & PATCH_ABS32) {
SLJIT_ASSERT(addr <= 0x7fffffff);
SLJIT_ASSERT(((buf_ptr[0] | buf_ptr[1]) & 0xffff) == 0);
buf_ptr[0] |= (sljit_ins)(addr >> 16) & 0xffff;
buf_ptr[1] |= (sljit_ins)addr & 0xffff;
break;
}
if (jump->flags & PATCH_ABS48) {
SLJIT_ASSERT(addr <= 0x7fffffffffff);
SLJIT_ASSERT(((buf_ptr[0] | buf_ptr[1] | buf_ptr[3]) & 0xffff) == 0);
buf_ptr[0] |= (sljit_ins)(addr >> 32) & 0xffff;
buf_ptr[1] |= (sljit_ins)(addr >> 16) & 0xffff;
buf_ptr[3] |= (sljit_ins)addr & 0xffff;
break;
}
SLJIT_ASSERT(((buf_ptr[0] | buf_ptr[1] | buf_ptr[3] | buf_ptr[4]) & 0xffff) == 0);
buf_ptr[0] |= (sljit_ins)(addr >> 48) & 0xffff;
buf_ptr[1] |= (sljit_ins)(addr >> 32) & 0xffff;
buf_ptr[3] |= (sljit_ins)(addr >> 16) & 0xffff;
buf_ptr[4] |= (sljit_ins)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 = (sljit_uw)(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_uw)code, (void*)sljit_generate_code);
#endif
code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
SLJIT_CACHE_FLUSH(code, code_ptr);
SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1);
#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
/* A saved register is set to a zero value. */
case SLJIT_HAS_ZERO_REGISTER:
case SLJIT_HAS_CLZ:
case SLJIT_HAS_PREFETCH:
return 1;
default:
return 0;
}
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_cmp_info(sljit_s32 type)
{
return (type >= SLJIT_UNORDERED && type <= SLJIT_ORDERED_LESS_EQUAL);
}
/* --------------------------------------------------------------------- */
/* 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
#if (defined SLJIT_PPC_STACK_FRAME_V2 && SLJIT_PPC_STACK_FRAME_V2)
#define LR_SAVE_OFFSET 2 * SSIZE_OF(sw)
#else
#define LR_SAVE_OFFSET SSIZE_OF(sw)
#endif
#define STACK_MAX_DISTANCE (0x8000 - SSIZE_OF(sw) - LR_SAVE_OFFSET)
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 i, tmp, base, offset;
sljit_s32 word_arg_count = 0;
sljit_s32 saved_arg_count = SLJIT_KEPT_SAVEDS_COUNT(options);
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
sljit_s32 arg_count = 0;
#endif
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 - saved_arg_count, 0)
+ GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, sizeof(sljit_f64));
if (!(options & SLJIT_ENTER_REG_ARG))
local_size += SSIZE_OF(sw);
local_size = (local_size + SLJIT_LOCALS_OFFSET + 15) & ~0xf;
compiler->local_size = local_size;
FAIL_IF(push_inst(compiler, MFLR | D(0)));
base = SLJIT_SP;
offset = local_size;
if (local_size <= STACK_MAX_DISTANCE) {
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
FAIL_IF(push_inst(compiler, STWU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size)));
#else
FAIL_IF(push_inst(compiler, STDU | S(SLJIT_SP) | A(SLJIT_SP) | IMM(-local_size)));
#endif
} else {
base = TMP_REG1;
FAIL_IF(push_inst(compiler, OR | S(SLJIT_SP) | A(TMP_REG1) | B(SLJIT_SP)));
FAIL_IF(load_immediate(compiler, TMP_REG2, -local_size));
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
FAIL_IF(push_inst(compiler, STWUX | S(SLJIT_SP) | A(SLJIT_SP) | B(TMP_REG2)));
#else
FAIL_IF(push_inst(compiler, STDUX | S(SLJIT_SP) | A(SLJIT_SP) | B(TMP_REG2)));
#endif
local_size = 0;
offset = 0;
}
tmp = SLJIT_FS0 - fsaveds;
for (i = SLJIT_FS0; i > tmp; i--) {
offset -= SSIZE_OF(f64);
FAIL_IF(push_inst(compiler, STFD | FS(i) | A(base) | IMM(offset)));
}
for (i = fscratches; i >= SLJIT_FIRST_SAVED_FLOAT_REG; i--) {
offset -= SSIZE_OF(f64);
FAIL_IF(push_inst(compiler, STFD | FS(i) | A(base) | IMM(offset)));
}
if (!(options & SLJIT_ENTER_REG_ARG)) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_STORE | S(TMP_ZERO) | A(base) | IMM(offset)));
}
tmp = SLJIT_S0 - saveds;
for (i = SLJIT_S0 - saved_arg_count; i > tmp; i--) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(base) | IMM(offset)));
}
for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_STORE | S(i) | A(base) | IMM(offset)));
}
FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(base) | IMM(local_size + LR_SAVE_OFFSET)));
if (options & SLJIT_ENTER_REG_ARG)
return SLJIT_SUCCESS;
FAIL_IF(push_inst(compiler, ADDI | D(TMP_ZERO) | A(0) | 0));
arg_types >>= SLJIT_ARG_SHIFT;
saved_arg_count = 0;
while (arg_types > 0) {
if ((arg_types & SLJIT_ARG_MASK) < SLJIT_ARG_TYPE_F64) {
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
do {
if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) {
tmp = SLJIT_S0 - saved_arg_count;
saved_arg_count++;
} else if (arg_count != word_arg_count)
tmp = SLJIT_R0 + word_arg_count;
else
break;
FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0 + arg_count) | A(tmp) | B(SLJIT_R0 + arg_count)));
} while (0);
#else
if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) {
FAIL_IF(push_inst(compiler, OR | S(SLJIT_R0 + word_arg_count) | A(SLJIT_S0 - saved_arg_count) | B(SLJIT_R0 + word_arg_count)));
saved_arg_count++;
}
#endif
word_arg_count++;
}
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
arg_count++;
#endif
arg_types >>= SLJIT_ARG_SHIFT;
}
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 - SLJIT_KEPT_SAVEDS_COUNT(options), 0)
+ GET_SAVED_FLOAT_REGISTERS_SIZE(fscratches, fsaveds, sizeof(sljit_f64));
if (!(options & SLJIT_ENTER_REG_ARG))
local_size += SSIZE_OF(sw);
compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 15) & ~0xf;
return SLJIT_SUCCESS;
}
static sljit_s32 emit_stack_frame_release(struct sljit_compiler *compiler)
{
sljit_s32 i, tmp, base, offset;
sljit_s32 local_size = compiler->local_size;
base = SLJIT_SP;
if (local_size > STACK_MAX_DISTANCE) {
base = TMP_REG1;
if (local_size > 2 * STACK_MAX_DISTANCE + LR_SAVE_OFFSET) {
FAIL_IF(push_inst(compiler, STACK_LOAD | D(base) | A(SLJIT_SP) | IMM(0)));
local_size = 0;
} else {
FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG1) | A(SLJIT_SP) | IMM(local_size - STACK_MAX_DISTANCE)));
local_size = STACK_MAX_DISTANCE;
}
}
offset = local_size;
FAIL_IF(push_inst(compiler, STACK_LOAD | S(0) | A(base) | IMM(offset + LR_SAVE_OFFSET)));
tmp = SLJIT_FS0 - compiler->fsaveds;
for (i = SLJIT_FS0; i > tmp; i--) {
offset -= SSIZE_OF(f64);
FAIL_IF(push_inst(compiler, LFD | FS(i) | A(base) | IMM(offset)));
}
for (i = compiler->fscratches; i >= SLJIT_FIRST_SAVED_FLOAT_REG; i--) {
offset -= SSIZE_OF(f64);
FAIL_IF(push_inst(compiler, LFD | FS(i) | A(base) | IMM(offset)));
}
if (!(compiler->options & SLJIT_ENTER_REG_ARG)) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_LOAD | S(TMP_ZERO) | A(base) | IMM(offset)));
}
tmp = SLJIT_S0 - compiler->saveds;
for (i = SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options); i > tmp; i--) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_LOAD | S(i) | A(base) | IMM(offset)));
}
for (i = compiler->scratches; i >= SLJIT_FIRST_SAVED_REG; i--) {
offset -= SSIZE_OF(sw);
FAIL_IF(push_inst(compiler, STACK_LOAD | S(i) | A(base) | IMM(offset)));
}
push_inst(compiler, MTLR | S(0));
if (local_size > 0)
return push_inst(compiler, ADDI | D(SLJIT_SP) | A(base) | IMM(local_size));
SLJIT_ASSERT(base == TMP_REG1);
return push_inst(compiler, OR | S(base) | A(SLJIT_SP) | B(base));
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_void(struct sljit_compiler *compiler)
{
CHECK_ERROR();
CHECK(check_sljit_emit_return_void(compiler));
FAIL_IF(emit_stack_frame_release(compiler));
return push_inst(compiler, BLR);
}
#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) \
((sljit_ins)(inst) | (sljit_ins)(((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) \
(((sljit_ins)(inst) & ~(sljit_ins)INT_ALIGNED) | (sljit_ins)(((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) | ((sljit_ins)argw << 11) | ((31 - (sljit_ins)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 (FAST_IS_REG(dst)) {
dst_r = dst;
/* The REG_DEST is only used by SLJIT_MOV operations, although
* it is set for op2 operations with unset destination. */
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) {
src1_r = TMP_ZERO;
if (src1w != 0) {
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) {
src2_r = TMP_ZERO;
if (src2w != 0) {
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_32;
#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
case SLJIT_ENDBR:
case SLJIT_SKIP_FRAMES_BEFORE_RETURN:
return SLJIT_SUCCESS;
}
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))
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) | ((sljit_ins)srcw << 11) | ((31 - (sljit_ins)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);
op = GET_OPCODE(op);
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_32) {
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:
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
case SLJIT_MOV_U32:
case SLJIT_MOV_S32:
case SLJIT_MOV32:
#endif
case SLJIT_MOV_P:
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:
case SLJIT_MOV32:
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_CLZ:
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
return emit_op(compiler, SLJIT_CLZ, flags | (!(op_flags & SLJIT_32) ? 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) & ~(sljit_sw)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
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
#define TEST_ADD_FORM1(op) \
(GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \
|| (op & (SLJIT_32 | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_32 | SLJIT_SET_Z | SLJIT_SET_CARRY))
#define TEST_SUB_FORM2(op) \
((GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) \
|| (op & (SLJIT_32 | SLJIT_SET_Z | VARIABLE_FLAG_MASK)) == (SLJIT_32 | SLJIT_SET_Z))
#define TEST_SUB_FORM3(op) \
(GET_FLAG_TYPE(op) == SLJIT_OVERFLOW \
|| (op & (SLJIT_32 | SLJIT_SET_Z)) == (SLJIT_32 | SLJIT_SET_Z))
#else
#define TEST_ADD_FORM1(op) \
(GET_FLAG_TYPE(op) == SLJIT_OVERFLOW)
#define TEST_SUB_FORM2(op) \
(GET_FLAG_TYPE(op) >= SLJIT_SIG_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL)
#define TEST_SUB_FORM3(op) \
(GET_FLAG_TYPE(op) == SLJIT_OVERFLOW)
#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, 0, dst, dstw, src1, src1w, src2, src2w));
ADJUST_LOCAL_OFFSET(dst, dstw);
ADJUST_LOCAL_OFFSET(src1, src1w);
ADJUST_LOCAL_OFFSET(src2, src2w);
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
if (op & SLJIT_32) {
/* 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:
compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD;
if (TEST_ADD_FORM1(op))
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 = (sljit_ins)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 = (sljit_ins)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 = (sljit_ins)(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 = (sljit_ins)(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 = (sljit_ins)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 = (sljit_ins)src1w & 0xffffffff;
return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0);
}
}
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
if ((op & (SLJIT_32 | SLJIT_SET_Z)) == (SLJIT_32 | SLJIT_SET_Z)) {
if (TEST_SL_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)src2w & 0xffff;
return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src1, src1w, TMP_REG2, 0);
}
if (TEST_SL_IMM(src1, src1w)) {
compiler->imm = (sljit_ins)src1w & 0xffff;
return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4 | ALT_FORM5, dst, dstw, src2, src2w, TMP_REG2, 0);
}
return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w);
}
#endif
if (HAS_FLAGS(op)) {
if (TEST_SL_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)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 = (sljit_ins)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_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w);
case SLJIT_ADDC:
compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD;
return emit_op(compiler, SLJIT_ADDC, flags, dst, dstw, src1, src1w, src2, src2w);
case SLJIT_SUB:
compiler->status_flags_state = SLJIT_CURRENT_FLAGS_SUB;
if (GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_LESS_EQUAL) {
if (dst == TMP_REG2) {
if (TEST_UL_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)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 = (sljit_ins)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 (dst == TMP_REG2 && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) {
if (TEST_SL_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)src2w & 0xffff;
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
}
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2, dst, dstw, src1, src1w, src2, src2w);
}
if (TEST_SUB_FORM2(op)) {
if ((src2 & SLJIT_IMM) && src2w >= -SIMM_MAX && src2w <= SIMM_MAX) {
compiler->imm = (sljit_ins)src2w & 0xffff;
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM3 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0);
}
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w);
}
if (TEST_SUB_FORM3(op))
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM3, dst, dstw, src1, src1w, src2, src2w);
if (TEST_SL_IMM(src2, -src2w)) {
compiler->imm = (sljit_ins)(-src2w) & 0xffff;
return emit_op(compiler, SLJIT_ADD, flags | (!HAS_FLAGS(op) ? ALT_FORM2 : ALT_FORM3), dst, dstw, src1, src1w, TMP_REG2, 0);
}
if (TEST_SL_IMM(src1, src1w) && !(op & SLJIT_SET_Z)) {
compiler->imm = (sljit_ins)src1w & 0xffff;
return emit_op(compiler, SLJIT_SUB, flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0);
}
if (!HAS_FLAGS(op)) {
if (TEST_SH_IMM(src2, -src2w)) {
compiler->imm = (sljit_ins)((-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 = (sljit_ins)-src2w;
return emit_op(compiler, SLJIT_ADD, flags | ALT_FORM2 | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0);
}
}
/* We know ALT_SIGN_EXT is set if it is an SLJIT_32 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:
compiler->status_flags_state = SLJIT_CURRENT_FLAGS_SUB;
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_32)
flags |= ALT_FORM2;
#endif
if (!HAS_FLAGS(op)) {
if (TEST_SL_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)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 = (sljit_ins)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 = (sljit_ins)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 = (sljit_ins)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 = (sljit_ins)(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 = (sljit_ins)(src1w >> 16) & 0xffff;
return emit_op(compiler, GET_OPCODE(op), flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
}
}
if (!HAS_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) {
/* Unlike or and xor, the and resets unwanted bits as well. */
if (TEST_UI_IMM(src2, src2w)) {
compiler->imm = (sljit_ins)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 = (sljit_ins)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_32)
flags |= ALT_FORM2;
#endif
if (src2 & SLJIT_IMM) {
compiler->imm = (sljit_ins)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_emit_op2u(struct sljit_compiler *compiler, sljit_s32 op,
sljit_s32 src1, sljit_sw src1w,
sljit_s32 src2, sljit_sw src2w)
{
CHECK_ERROR();
CHECK(check_sljit_emit_op2(compiler, op, 1, 0, 0, src1, src1w, src2, src2w));
SLJIT_SKIP_CHECKS(compiler);
return sljit_emit_op2(compiler, op, TMP_REG2, 0, src1, src1w, src2, src2w);
}
#undef TEST_ADD_FORM1
#undef TEST_SUB_FORM2
#undef TEST_SUB_FORM3
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op,
sljit_s32 src, sljit_sw srcw)
{
CHECK_ERROR();
CHECK(check_sljit_emit_op_src(compiler, op, src, srcw));
ADJUST_LOCAL_OFFSET(src, srcw);
switch (op) {
case SLJIT_FAST_RETURN:
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);
case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN:
return SLJIT_SUCCESS;
case SLJIT_PREFETCH_L1:
case SLJIT_PREFETCH_L2:
case SLJIT_PREFETCH_L3:
case SLJIT_PREFETCH_ONCE:
return emit_prefetch(compiler, src, srcw);
}
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_u32 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_32) >> 6))
#define SELECT_FOP(op, single, double) ((sljit_ins)((op & SLJIT_32) ? 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) | ((sljit_ins)dstw << 11) | ((31 - (sljit_ins)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_32)
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 ^ (sljit_sw)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_32)
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;
}
FAIL_IF(push_inst(compiler, FCMPU | CRD(4) | FA(src1) | FB(src2)));
switch (GET_FLAG_TYPE(op)) {
case SLJIT_UNORDERED_OR_EQUAL:
case SLJIT_ORDERED_NOT_EQUAL:
return push_inst(compiler, CROR | ((4 + 2) << 21) | ((4 + 2) << 16) | ((4 + 3) << 11));
case SLJIT_UNORDERED_OR_LESS:
case SLJIT_ORDERED_GREATER_EQUAL:
return push_inst(compiler, CROR | ((4 + 0) << 21) | ((4 + 0) << 16) | ((4 + 3) << 11));
case SLJIT_UNORDERED_OR_GREATER:
case SLJIT_ORDERED_LESS_EQUAL:
return push_inst(compiler, CROR | ((4 + 1) << 21) | ((4 + 1) << 16) | ((4 + 3) << 11));
}
return SLJIT_SUCCESS;
}
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_32 == 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_32;
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_32;
if (op & SLJIT_32) {
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);
}
/* --------------------------------------------------------------------- */
/* 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(struct sljit_compiler *compiler, sljit_s32 type)
{
switch (type) {
case SLJIT_NOT_CARRY:
if (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_SUB)
return (4 << 21) | (2 << 16);
/* fallthrough */
case SLJIT_EQUAL:
return (12 << 21) | (2 << 16);
case SLJIT_CARRY:
if (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_SUB)
return (12 << 21) | (2 << 16);
/* fallthrough */
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_OVERFLOW:
return (12 << 21) | (3 << 16);
case SLJIT_NOT_OVERFLOW:
return (4 << 21) | (3 << 16);
case SLJIT_F_LESS:
case SLJIT_ORDERED_LESS:
case SLJIT_UNORDERED_OR_LESS:
return (12 << 21) | ((4 + 0) << 16);
case SLJIT_F_GREATER_EQUAL:
case SLJIT_ORDERED_GREATER_EQUAL:
case SLJIT_UNORDERED_OR_GREATER_EQUAL:
return (4 << 21) | ((4 + 0) << 16);
case SLJIT_F_GREATER:
case SLJIT_ORDERED_GREATER:
case SLJIT_UNORDERED_OR_GREATER:
return (12 << 21) | ((4 + 1) << 16);
case SLJIT_F_LESS_EQUAL:
case SLJIT_ORDERED_LESS_EQUAL:
case SLJIT_UNORDERED_OR_LESS_EQUAL:
return (4 << 21) | ((4 + 1) << 16);
case SLJIT_F_EQUAL:
case SLJIT_ORDERED_EQUAL:
case SLJIT_UNORDERED_OR_EQUAL:
return (12 << 21) | ((4 + 2) << 16);
case SLJIT_F_NOT_EQUAL:
case SLJIT_ORDERED_NOT_EQUAL:
case SLJIT_UNORDERED_OR_NOT_EQUAL:
return (4 << 21) | ((4 + 2) << 16);
case SLJIT_UNORDERED:
return (12 << 21) | ((4 + 3) << 16);
case SLJIT_ORDERED:
return (4 << 21) | ((4 + 3) << 16);
default:
SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_REG_ARG);
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(compiler, 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, (sljit_u32)type & SLJIT_REWRITABLE_JUMP);
type &= 0xff;
if (type == SLJIT_CARRY || type == SLJIT_NOT_CARRY)
PTR_FAIL_IF(push_inst(compiler, ADDE | RC(ALT_SET_FLAGS) | D(TMP_REG1) | A(TMP_ZERO) | B(TMP_ZERO)));
/* 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)
if ((type & 0xff) != SLJIT_CALL_REG_ARG)
PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
#endif
if (type & SLJIT_CALL_RETURN) {
PTR_FAIL_IF(emit_stack_frame_release(compiler));
type = SLJIT_JUMP | (type & SLJIT_REWRITABLE_JUMP);
}
SLJIT_SKIP_CHECKS(compiler);
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 && src != TMP_CALL_REG) {
FAIL_IF(push_inst(compiler, OR | S(src) | A(TMP_CALL_REG) | B(src)));
src_r = TMP_CALL_REG;
}
else
src_r = src;
#else /* SLJIT_PASS_ENTRY_ADDR_TO_CALL */
src_r = src;
#endif /* SLJIT_PASS_ENTRY_ADDR_TO_CALL */
} 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 = (sljit_uw)srcw;
#if (defined SLJIT_PASS_ENTRY_ADDR_TO_CALL && SLJIT_PASS_ENTRY_ADDR_TO_CALL)
if (type >= SLJIT_CALL)
jump->flags |= IS_CALL;
#endif /* SLJIT_PASS_ENTRY_ADDR_TO_CALL */
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 (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;
}
if (type & SLJIT_CALL_RETURN) {
if (src >= SLJIT_FIRST_SAVED_REG && src <= SLJIT_S0) {
FAIL_IF(push_inst(compiler, OR | S(src) | A(TMP_CALL_REG) | B(src)));
src = TMP_CALL_REG;
}
FAIL_IF(emit_stack_frame_release(compiler));
type = SLJIT_JUMP;
}
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
if ((type & 0xff) != SLJIT_CALL_REG_ARG)
FAIL_IF(call_with_args(compiler, arg_types, &src));
#endif
SLJIT_SKIP_CHECKS(compiler);
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, invert;
sljit_u32 bit, from_xer;
sljit_s32 saved_op = op;
sljit_sw saved_dstw = dstw;
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
sljit_s32 input_flags = ((op & SLJIT_32) || op == SLJIT_MOV32) ? INT_DATA : WORD_DATA;
#else
sljit_s32 input_flags = 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);
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;
bit = 0;
from_xer = 0;
switch (type) {
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:
bit = 1;
break;
case SLJIT_LESS_EQUAL:
case SLJIT_SIG_LESS_EQUAL:
bit = 1;
invert = 1;
break;
case SLJIT_EQUAL:
bit = 2;
break;
case SLJIT_NOT_EQUAL:
bit = 2;
invert = 1;
break;
case SLJIT_OVERFLOW:
from_xer = 1;
bit = 1;
break;
case SLJIT_NOT_OVERFLOW:
from_xer = 1;
bit = 1;
invert = 1;
break;
case SLJIT_CARRY:
from_xer = 1;
bit = 2;
invert = (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_SUB) != 0;
break;
case SLJIT_NOT_CARRY:
from_xer = 1;
bit = 2;
invert = (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD) != 0;
break;
case SLJIT_F_LESS:
case SLJIT_ORDERED_LESS:
case SLJIT_UNORDERED_OR_LESS:
bit = 4 + 0;
break;
case SLJIT_F_GREATER_EQUAL:
case SLJIT_ORDERED_GREATER_EQUAL:
case SLJIT_UNORDERED_OR_GREATER_EQUAL:
bit = 4 + 0;
invert = 1;
break;
case SLJIT_F_GREATER:
case SLJIT_ORDERED_GREATER:
case SLJIT_UNORDERED_OR_GREATER:
bit = 4 + 1;
break;
case SLJIT_F_LESS_EQUAL:
case SLJIT_ORDERED_LESS_EQUAL:
case SLJIT_UNORDERED_OR_LESS_EQUAL:
bit = 4 + 1;
invert = 1;
break;
case SLJIT_F_EQUAL:
case SLJIT_ORDERED_EQUAL:
case SLJIT_UNORDERED_OR_EQUAL:
bit = 4 + 2;
break;
case SLJIT_F_NOT_EQUAL:
case SLJIT_ORDERED_NOT_EQUAL:
case SLJIT_UNORDERED_OR_NOT_EQUAL:
bit = 4 + 2;
invert = 1;
break;
case SLJIT_UNORDERED:
bit = 4 + 3;
break;
case SLJIT_ORDERED:
bit = 4 + 3;
invert = 1;
break;
default:
SLJIT_UNREACHABLE();
break;
}
FAIL_IF(push_inst(compiler, (from_xer ? MFXER : MFCR) | D(reg)));
FAIL_IF(push_inst(compiler, RLWINM | S(reg) | A(reg) | ((1 + 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);
}
SLJIT_SKIP_CHECKS(compiler);
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_UNALIGNED)
return sljit_emit_mem_unaligned(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:
case SLJIT_MOV32:
#endif
mem_flags = WORD_DATA;
break;
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
case SLJIT_MOV_U32:
case SLJIT_MOV32:
mem_flags = INT_DATA;
break;
case SLJIT_MOV_S32:
mem_flags = INT_DATA;
if (!(type & SLJIT_MEM_STORE) && !(type & SLJIT_32)) {
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_UNALIGNED)
return sljit_emit_fmem_unaligned(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, (sljit_ins)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;
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
sljit_set_jump_addr(addr, (sljit_uw)new_constant, executable_offset);
}
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