version 1.1, 2012/02/21 23:05:52
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version 1.1.1.3, 2012/10/09 09:19:18
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/* |
/* |
* Stack-less Just-In-Time compiler |
* Stack-less Just-In-Time compiler |
* |
* |
* Copyright 2009-2010 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. | * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. |
* |
* |
* Redistribution and use in source and binary forms, with or without modification, are |
* Redistribution and use in source and binary forms, with or without modification, are |
* permitted provided that the following conditions are met: |
* permitted provided that the following conditions are met: |
Line 86 static sljit_ub* generate_fixed_jump(sljit_ub *code_pt
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Line 86 static sljit_ub* generate_fixed_jump(sljit_ub *code_pt
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return code_ptr; |
return code_ptr; |
} |
} |
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SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size) | SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size) |
{ |
{ |
int size, pushed_size; |
int size, pushed_size; |
sljit_ub *buf; |
sljit_ub *buf; |
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CHECK_ERROR(); |
CHECK_ERROR(); |
check_sljit_emit_enter(compiler, args, temporaries, generals, local_size); | check_sljit_emit_enter(compiler, args, temporaries, saveds, local_size); |
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compiler->temporaries = temporaries; |
compiler->temporaries = temporaries; |
compiler->generals = generals; | compiler->saveds = saveds; |
compiler->flags_saved = 0; |
compiler->flags_saved = 0; |
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#if (defined SLJIT_DEBUG && SLJIT_DEBUG) |
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compiler->logical_local_size = local_size; |
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#endif |
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size = generals; | size = saveds; |
/* Including the return address saved by the call instruction. */ |
/* Including the return address saved by the call instruction. */ |
pushed_size = (generals + 1) * sizeof(sljit_w); | pushed_size = (saveds + 1) * sizeof(sljit_w); |
#ifndef _WIN64 |
#ifndef _WIN64 |
if (generals >= 2) | if (saveds >= 2) |
size += generals - 1; | size += saveds - 1; |
#else |
#else |
/* Saving the virtual stack pointer. */ | if (saveds >= 4) |
compiler->has_locals = local_size > 0; | size += saveds - 3; |
if (local_size > 0) { | |
size += 2; | |
pushed_size += sizeof(sljit_w); | |
} | |
if (generals >= 4) | |
size += generals - 3; | |
if (temporaries >= 5) { |
if (temporaries >= 5) { |
size += (5 - 4) * 2; |
size += (5 - 4) * 2; |
pushed_size += sizeof(sljit_w); |
pushed_size += sizeof(sljit_w); |
Line 124 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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Line 121 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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FAIL_IF(!buf); |
FAIL_IF(!buf); |
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INC_SIZE(size); |
INC_SIZE(size); |
if (generals >= 5) { | if (saveds >= 5) { |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_EREG2] >= 8, general_ereg2_is_hireg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_EREG2] >= 8, saved_ereg2_is_hireg); |
*buf++ = REX_B; |
*buf++ = REX_B; |
PUSH_REG(reg_lmap[SLJIT_GENERAL_EREG2]); | PUSH_REG(reg_lmap[SLJIT_SAVED_EREG2]); |
} |
} |
if (generals >= 4) { | if (saveds >= 4) { |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_EREG1] >= 8, general_ereg1_is_hireg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_EREG1] >= 8, saved_ereg1_is_hireg); |
*buf++ = REX_B; |
*buf++ = REX_B; |
PUSH_REG(reg_lmap[SLJIT_GENERAL_EREG1]); | PUSH_REG(reg_lmap[SLJIT_SAVED_EREG1]); |
} |
} |
if (generals >= 3) { | if (saveds >= 3) { |
#ifndef _WIN64 |
#ifndef _WIN64 |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_REG3] >= 8, general_reg3_is_hireg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_REG3] >= 8, saved_reg3_is_hireg); |
*buf++ = REX_B; |
*buf++ = REX_B; |
#else |
#else |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_REG3] < 8, general_reg3_is_loreg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_REG3] < 8, saved_reg3_is_loreg); |
#endif |
#endif |
PUSH_REG(reg_lmap[SLJIT_GENERAL_REG3]); | PUSH_REG(reg_lmap[SLJIT_SAVED_REG3]); |
} |
} |
if (generals >= 2) { | if (saveds >= 2) { |
#ifndef _WIN64 |
#ifndef _WIN64 |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_REG2] >= 8, general_reg2_is_hireg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_REG2] >= 8, saved_reg2_is_hireg); |
*buf++ = REX_B; |
*buf++ = REX_B; |
#else |
#else |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_REG2] < 8, general_reg2_is_loreg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_REG2] < 8, saved_reg2_is_loreg); |
#endif |
#endif |
PUSH_REG(reg_lmap[SLJIT_GENERAL_REG2]); | PUSH_REG(reg_lmap[SLJIT_SAVED_REG2]); |
} |
} |
if (generals >= 1) { | if (saveds >= 1) { |
SLJIT_COMPILE_ASSERT(reg_map[SLJIT_GENERAL_REG1] < 8, general_reg1_is_loreg); | SLJIT_COMPILE_ASSERT(reg_map[SLJIT_SAVED_REG1] < 8, saved_reg1_is_loreg); |
PUSH_REG(reg_lmap[SLJIT_GENERAL_REG1]); | PUSH_REG(reg_lmap[SLJIT_SAVED_REG1]); |
} |
} |
#ifdef _WIN64 |
#ifdef _WIN64 |
if (temporaries >= 5) { |
if (temporaries >= 5) { |
Line 162 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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Line 159 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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*buf++ = REX_B; |
*buf++ = REX_B; |
PUSH_REG(reg_lmap[SLJIT_TEMPORARY_EREG2]); |
PUSH_REG(reg_lmap[SLJIT_TEMPORARY_EREG2]); |
} |
} |
if (local_size > 0) { |
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SLJIT_COMPILE_ASSERT(reg_map[SLJIT_LOCALS_REG] >= 8, locals_reg_is_hireg); |
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*buf++ = REX_B; |
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PUSH_REG(reg_lmap[SLJIT_LOCALS_REG]); |
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} |
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#endif |
#endif |
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#ifndef _WIN64 |
#ifndef _WIN64 |
if (args > 0) { |
if (args > 0) { |
*buf++ = REX_W; |
*buf++ = REX_W; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_map[SLJIT_GENERAL_REG1] << 3) | 0x7; | *buf++ = 0xc0 | (reg_map[SLJIT_SAVED_REG1] << 3) | 0x7; |
} |
} |
if (args > 1) { |
if (args > 1) { |
*buf++ = REX_W | REX_R; |
*buf++ = REX_W | REX_R; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_lmap[SLJIT_GENERAL_REG2] << 3) | 0x6; | *buf++ = 0xc0 | (reg_lmap[SLJIT_SAVED_REG2] << 3) | 0x6; |
} |
} |
if (args > 2) { |
if (args > 2) { |
*buf++ = REX_W | REX_R; |
*buf++ = REX_W | REX_R; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_lmap[SLJIT_GENERAL_REG3] << 3) | 0x2; | *buf++ = 0xc0 | (reg_lmap[SLJIT_SAVED_REG3] << 3) | 0x2; |
} |
} |
#else |
#else |
if (args > 0) { |
if (args > 0) { |
*buf++ = REX_W; |
*buf++ = REX_W; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_map[SLJIT_GENERAL_REG1] << 3) | 0x1; | *buf++ = 0xc0 | (reg_map[SLJIT_SAVED_REG1] << 3) | 0x1; |
} |
} |
if (args > 1) { |
if (args > 1) { |
*buf++ = REX_W; |
*buf++ = REX_W; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_map[SLJIT_GENERAL_REG2] << 3) | 0x2; | *buf++ = 0xc0 | (reg_map[SLJIT_SAVED_REG2] << 3) | 0x2; |
} |
} |
if (args > 2) { |
if (args > 2) { |
*buf++ = REX_W | REX_B; |
*buf++ = REX_W | REX_B; |
*buf++ = 0x8b; |
*buf++ = 0x8b; |
*buf++ = 0xc0 | (reg_map[SLJIT_GENERAL_REG3] << 3) | 0x0; | *buf++ = 0xc0 | (reg_map[SLJIT_SAVED_REG3] << 3) | 0x0; |
} |
} |
#endif |
#endif |
} |
} |
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local_size = ((local_size + pushed_size + 16 - 1) & ~(16 - 1)) - pushed_size; | local_size = ((local_size + FIXED_LOCALS_OFFSET + pushed_size + 16 - 1) & ~(16 - 1)) - pushed_size; |
#ifdef _WIN64 | |
local_size += 4 * sizeof(sljit_w); | |
compiler->local_size = local_size; |
compiler->local_size = local_size; |
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#ifdef _WIN64 |
if (local_size > 1024) { |
if (local_size > 1024) { |
/* Allocate the stack for the function itself. */ | /* Allocate stack for the callback, which grows the stack. */ |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); |
FAIL_IF(!buf); |
FAIL_IF(!buf); |
INC_SIZE(4); |
INC_SIZE(4); |
Line 226 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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Line 217 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct s
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local_size -= 4 * sizeof(sljit_w); |
local_size -= 4 * sizeof(sljit_w); |
} |
} |
FAIL_IF(emit_load_imm64(compiler, SLJIT_TEMPORARY_REG1, local_size)); |
FAIL_IF(emit_load_imm64(compiler, SLJIT_TEMPORARY_REG1, local_size)); |
FAIL_IF(sljit_emit_ijump(compiler, SLJIT_CALL1, SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_touch_stack))); | FAIL_IF(sljit_emit_ijump(compiler, SLJIT_CALL1, SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_grow_stack))); |
} |
} |
#else |
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compiler->local_size = local_size; |
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if (local_size > 0) { |
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#endif |
#endif |
/* In case of Win64, local_size is always > 4 * sizeof(sljit_w) */ | SLJIT_ASSERT(local_size > 0); |
if (local_size <= 127) { | if (local_size <= 127) { |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); | buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); |
FAIL_IF(!buf); | FAIL_IF(!buf); |
INC_SIZE(4); | INC_SIZE(4); |
*buf++ = REX_W; | *buf++ = REX_W; |
*buf++ = 0x83; | *buf++ = 0x83; |
*buf++ = 0xc0 | (5 << 3) | 4; | *buf++ = 0xc0 | (5 << 3) | 4; |
*buf++ = local_size; | *buf++ = local_size; |
} | |
else { | |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 7); | |
FAIL_IF(!buf); | |
INC_SIZE(7); | |
*buf++ = REX_W; | |
*buf++ = 0x81; | |
*buf++ = 0xc0 | (5 << 3) | 4; | |
*(sljit_hw*)buf = local_size; | |
buf += sizeof(sljit_hw); | |
} | |
#ifndef _WIN64 | |
} |
} |
#endif | else { |
| buf = (sljit_ub*)ensure_buf(compiler, 1 + 7); |
#ifdef _WIN64 | |
if (compiler->has_locals) { | |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 5); | |
FAIL_IF(!buf); |
FAIL_IF(!buf); |
INC_SIZE(5); | INC_SIZE(7); |
*buf++ = REX_W | REX_R; | *buf++ = REX_W; |
*buf++ = 0x8d; | *buf++ = 0x81; |
*buf++ = 0x40 | (reg_lmap[SLJIT_LOCALS_REG] << 3) | 0x4; | *buf++ = 0xc0 | (5 << 3) | 4; |
*buf++ = 0x24; | *(sljit_hw*)buf = local_size; |
*buf = 4 * sizeof(sljit_w); | buf += sizeof(sljit_hw); |
} |
} |
#endif |
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/* Mov arguments to general registers. */ |
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return SLJIT_SUCCESS; |
return SLJIT_SUCCESS; |
} |
} |
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SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size) | SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size) |
{ |
{ |
int pushed_size; |
int pushed_size; |
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CHECK_ERROR_VOID(); |
CHECK_ERROR_VOID(); |
check_sljit_fake_enter(compiler, args, temporaries, generals, local_size); | check_sljit_set_context(compiler, args, temporaries, saveds, local_size); |
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compiler->temporaries = temporaries; |
compiler->temporaries = temporaries; |
compiler->generals = generals; | compiler->saveds = saveds; |
| #if (defined SLJIT_DEBUG && SLJIT_DEBUG) |
| compiler->logical_local_size = local_size; |
| #endif |
| |
/* Including the return address saved by the call instruction. */ |
/* Including the return address saved by the call instruction. */ |
pushed_size = (generals + 1) * sizeof(sljit_w); | pushed_size = (saveds + 1) * sizeof(sljit_w); |
#ifdef _WIN64 |
#ifdef _WIN64 |
compiler->has_locals = local_size > 0; |
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if (local_size > 0) |
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pushed_size += sizeof(sljit_w); |
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if (temporaries >= 5) |
if (temporaries >= 5) |
pushed_size += sizeof(sljit_w); |
pushed_size += sizeof(sljit_w); |
#endif |
#endif |
compiler->local_size = ((local_size + pushed_size + 16 - 1) & ~(16 - 1)) - pushed_size; | compiler->local_size = ((local_size + FIXED_LOCALS_OFFSET + pushed_size + 16 - 1) & ~(16 - 1)) - pushed_size; |
#ifdef _WIN64 | |
compiler->local_size += 4 * sizeof(sljit_w); | |
#endif | |
} |
} |
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SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw) | SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int op, int src, sljit_w srcw) |
{ |
{ |
int size; |
int size; |
sljit_ub *buf; |
sljit_ub *buf; |
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CHECK_ERROR(); |
CHECK_ERROR(); |
check_sljit_emit_return(compiler, src, srcw); | check_sljit_emit_return(compiler, op, src, srcw); |
| ADJUST_LOCAL_OFFSET(src, srcw); |
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compiler->flags_saved = 0; |
compiler->flags_saved = 0; |
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FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); |
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if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG) { | SLJIT_ASSERT(compiler->local_size > 0); |
compiler->mode32 = 0; | if (compiler->local_size <= 127) { |
FAIL_IF(emit_mov(compiler, SLJIT_RETURN_REG, 0, src, srcw)); | buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); |
| FAIL_IF(!buf); |
| INC_SIZE(4); |
| *buf++ = REX_W; |
| *buf++ = 0x83; |
| *buf++ = 0xc0 | (0 << 3) | 4; |
| *buf = compiler->local_size; |
} |
} |
| else { |
if (compiler->local_size > 0) { | buf = (sljit_ub*)ensure_buf(compiler, 1 + 7); |
if (compiler->local_size <= 127) { | FAIL_IF(!buf); |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 4); | INC_SIZE(7); |
FAIL_IF(!buf); | *buf++ = REX_W; |
INC_SIZE(4); | *buf++ = 0x81; |
*buf++ = REX_W; | *buf++ = 0xc0 | (0 << 3) | 4; |
*buf++ = 0x83; | *(sljit_hw*)buf = compiler->local_size; |
*buf++ = 0xc0 | (0 << 3) | 4; | |
*buf = compiler->local_size; | |
} | |
else { | |
buf = (sljit_ub*)ensure_buf(compiler, 1 + 7); | |
FAIL_IF(!buf); | |
INC_SIZE(7); | |
*buf++ = REX_W; | |
*buf++ = 0x81; | |
*buf++ = 0xc0 | (0 << 3) | 4; | |
*(sljit_hw*)buf = compiler->local_size; | |
} | |
} |
} |
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size = 1 + compiler->generals; | size = 1 + compiler->saveds; |
#ifndef _WIN64 |
#ifndef _WIN64 |
if (compiler->generals >= 2) | if (compiler->saveds >= 2) |
size += compiler->generals - 1; | size += compiler->saveds - 1; |
#else |
#else |
if (compiler->has_locals) | if (compiler->saveds >= 4) |
size += 2; | size += compiler->saveds - 3; |
if (compiler->generals >= 4) | |
size += compiler->generals - 3; | |
if (compiler->temporaries >= 5) |
if (compiler->temporaries >= 5) |
size += (5 - 4) * 2; |
size += (5 - 4) * 2; |
#endif |
#endif |
Line 351 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct
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Line 314 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct
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INC_SIZE(size); |
INC_SIZE(size); |
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#ifdef _WIN64 |
#ifdef _WIN64 |
if (compiler->has_locals) { |
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*buf++ = REX_B; |
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POP_REG(reg_lmap[SLJIT_LOCALS_REG]); |
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} |
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if (compiler->temporaries >= 5) { |
if (compiler->temporaries >= 5) { |
*buf++ = REX_B; |
*buf++ = REX_B; |
POP_REG(reg_lmap[SLJIT_TEMPORARY_EREG2]); |
POP_REG(reg_lmap[SLJIT_TEMPORARY_EREG2]); |
} |
} |
#endif |
#endif |
if (compiler->generals >= 1) | if (compiler->saveds >= 1) |
POP_REG(reg_map[SLJIT_GENERAL_REG1]); | POP_REG(reg_map[SLJIT_SAVED_REG1]); |
if (compiler->generals >= 2) { | if (compiler->saveds >= 2) { |
#ifndef _WIN64 |
#ifndef _WIN64 |
*buf++ = REX_B; |
*buf++ = REX_B; |
#endif |
#endif |
POP_REG(reg_lmap[SLJIT_GENERAL_REG2]); | POP_REG(reg_lmap[SLJIT_SAVED_REG2]); |
} |
} |
if (compiler->generals >= 3) { | if (compiler->saveds >= 3) { |
#ifndef _WIN64 |
#ifndef _WIN64 |
*buf++ = REX_B; |
*buf++ = REX_B; |
#endif |
#endif |
POP_REG(reg_lmap[SLJIT_GENERAL_REG3]); | POP_REG(reg_lmap[SLJIT_SAVED_REG3]); |
} |
} |
if (compiler->generals >= 4) { | if (compiler->saveds >= 4) { |
*buf++ = REX_B; |
*buf++ = REX_B; |
POP_REG(reg_lmap[SLJIT_GENERAL_EREG1]); | POP_REG(reg_lmap[SLJIT_SAVED_EREG1]); |
} |
} |
if (compiler->generals >= 5) { | if (compiler->saveds >= 5) { |
*buf++ = REX_B; |
*buf++ = REX_B; |
POP_REG(reg_lmap[SLJIT_GENERAL_EREG2]); | POP_REG(reg_lmap[SLJIT_SAVED_EREG2]); |
} |
} |
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RET(); |
RET(); |
Line 480 static sljit_ub* emit_x86_instruction(struct sljit_com
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Line 439 static sljit_ub* emit_x86_instruction(struct sljit_com
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} |
} |
} |
} |
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#ifndef _WIN64 | if ((b & 0xf) == SLJIT_LOCALS_REG && !(b & 0xf0)) |
if ((b & 0xf) == SLJIT_LOCALS_REG && (b & 0xf0) == 0) | |
b |= SLJIT_LOCALS_REG << 4; |
b |= SLJIT_LOCALS_REG << 4; |
#endif |
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if ((b & 0xf0) != SLJIT_UNUSED) { |
if ((b & 0xf0) != SLJIT_UNUSED) { |
inst_size += 1; /* SIB byte. */ |
inst_size += 1; /* SIB byte. */ |
Line 508 static sljit_ub* emit_x86_instruction(struct sljit_com
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Line 465 static sljit_ub* emit_x86_instruction(struct sljit_com
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inst_size += 4; |
inst_size += 4; |
} |
} |
else if (flags & EX86_SHIFT_INS) { |
else if (flags & EX86_SHIFT_INS) { |
imma &= 0x3f; | imma &= compiler->mode32 ? 0x1f : 0x3f; |
if (imma != 1) { |
if (imma != 1) { |
inst_size ++; |
inst_size ++; |
flags |= EX86_BYTE_ARG; |
flags |= EX86_BYTE_ARG; |
Line 585 static sljit_ub* emit_x86_instruction(struct sljit_com
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Line 542 static sljit_ub* emit_x86_instruction(struct sljit_com
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*buf_ptr++ |= 0xc0 + reg_lmap[b]; |
*buf_ptr++ |= 0xc0 + reg_lmap[b]; |
#endif |
#endif |
else if ((b & 0x0f) != SLJIT_UNUSED) { |
else if ((b & 0x0f) != SLJIT_UNUSED) { |
#ifdef _WIN64 |
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SLJIT_ASSERT((b & 0xf0) != (SLJIT_LOCALS_REG << 4)); |
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#endif |
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if ((b & 0xf0) == SLJIT_UNUSED || (b & 0xf0) == (SLJIT_LOCALS_REG << 4)) { |
if ((b & 0xf0) == SLJIT_UNUSED || (b & 0xf0) == (SLJIT_LOCALS_REG << 4)) { |
if (immb != 0) { |
if (immb != 0) { |
if (immb <= 127 && immb >= -128) |
if (immb <= 127 && immb >= -128) |
Line 676 static SLJIT_INLINE int call_with_args(struct sljit_co
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Line 630 static SLJIT_INLINE int call_with_args(struct sljit_co
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return SLJIT_SUCCESS; |
return SLJIT_SUCCESS; |
} |
} |
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SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size) | SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw) |
{ |
{ |
sljit_ub *buf; |
sljit_ub *buf; |
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CHECK_ERROR(); |
CHECK_ERROR(); |
check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, generals, local_size); | check_sljit_emit_fast_enter(compiler, dst, dstw); |
| ADJUST_LOCAL_OFFSET(dst, dstw); |
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compiler->temporaries = temporaries; |
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compiler->generals = generals; |
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compiler->local_size = (local_size + sizeof(sljit_uw) - 1) & ~(sizeof(sljit_uw) - 1); |
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#ifdef _WIN64 |
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compiler->local_size += 4 * sizeof(sljit_w); |
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#endif |
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/* For UNUSED dst. Uncommon, but possible. */ |
/* For UNUSED dst. Uncommon, but possible. */ |
if (dst == SLJIT_UNUSED) |
if (dst == SLJIT_UNUSED) |
dst = TMP_REGISTER; |
dst = TMP_REGISTER; |
Line 712 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(str
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Line 660 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(str
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} |
} |
} |
} |
else if (dst & SLJIT_MEM) { |
else if (dst & SLJIT_MEM) { |
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) |
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/* REX_W is not necessary (src is not immediate). */ |
/* REX_W is not necessary (src is not immediate). */ |
compiler->mode32 = 1; |
compiler->mode32 = 1; |
#endif |
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buf = emit_x86_instruction(compiler, 1, 0, 0, dst, dstw); |
buf = emit_x86_instruction(compiler, 1, 0, 0, dst, dstw); |
FAIL_IF(!buf); |
FAIL_IF(!buf); |
*buf++ = 0x8f; |
*buf++ = 0x8f; |
Line 729 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(st
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Line 675 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(st
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CHECK_ERROR(); |
CHECK_ERROR(); |
check_sljit_emit_fast_return(compiler, src, srcw); |
check_sljit_emit_fast_return(compiler, src, srcw); |
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ADJUST_LOCAL_OFFSET(src, srcw); |
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CHECK_EXTRA_REGS(src, srcw, (void)0); |
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if ((src & SLJIT_IMM) && NOT_HALFWORD(srcw)) { |
if ((src & SLJIT_IMM) && NOT_HALFWORD(srcw)) { |
FAIL_IF(emit_load_imm64(compiler, TMP_REGISTER, srcw)); |
FAIL_IF(emit_load_imm64(compiler, TMP_REGISTER, srcw)); |
src = TMP_REGISTER; |
src = TMP_REGISTER; |
Line 755 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(st
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Line 700 SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(st
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} |
} |
} |
} |
else if (src & SLJIT_MEM) { |
else if (src & SLJIT_MEM) { |
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) |
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/* REX_W is not necessary (src is not immediate). */ |
/* REX_W is not necessary (src is not immediate). */ |
compiler->mode32 = 1; |
compiler->mode32 = 1; |
#endif |
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buf = emit_x86_instruction(compiler, 1, 0, 0, src, srcw); |
buf = emit_x86_instruction(compiler, 1, 0, 0, src, srcw); |
FAIL_IF(!buf); |
FAIL_IF(!buf); |
*buf++ = 0xff; |
*buf++ = 0xff; |
Line 802 static int emit_mov_int(struct sljit_compiler *compile
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Line 745 static int emit_mov_int(struct sljit_compiler *compile
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return SLJIT_SUCCESS; /* Empty instruction. */ |
return SLJIT_SUCCESS; /* Empty instruction. */ |
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if (src & SLJIT_IMM) { |
if (src & SLJIT_IMM) { |
if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) | if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) { |
| if (sign || ((sljit_uw)srcw <= 0x7fffffff)) { |
| code = emit_x86_instruction(compiler, 1, SLJIT_IMM, (sljit_w)(sljit_i)srcw, dst, dstw); |
| FAIL_IF(!code); |
| *code = 0xc7; |
| return SLJIT_SUCCESS; |
| } |
return emit_load_imm64(compiler, dst, srcw); |
return emit_load_imm64(compiler, dst, srcw); |
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} |
compiler->mode32 = 1; |
compiler->mode32 = 1; |
code = emit_x86_instruction(compiler, 1, SLJIT_IMM, (sljit_w)(int)srcw, dst, dstw); | code = emit_x86_instruction(compiler, 1, SLJIT_IMM, (sljit_w)(sljit_i)srcw, dst, dstw); |
FAIL_IF(!code); |
FAIL_IF(!code); |
*code = 0xc7; |
*code = 0xc7; |
compiler->mode32 = 0; |
compiler->mode32 = 0; |
return SLJIT_SUCCESS; |
return SLJIT_SUCCESS; |
} |
} |
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dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_GENERAL_REG3) ? dst : TMP_REGISTER; | dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_SAVED_REG3) ? dst : TMP_REGISTER; |
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if ((dst & SLJIT_MEM) && (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_GENERAL_REG3)) | if ((dst & SLJIT_MEM) && (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_SAVED_REG3)) |
dst_r = src; |
dst_r = src; |
else { |
else { |
if (sign) { |
if (sign) { |
code = emit_x86_instruction(compiler, 1, dst_r, 0, src, srcw); |
code = emit_x86_instruction(compiler, 1, dst_r, 0, src, srcw); |
FAIL_IF(!code); |
FAIL_IF(!code); |
*code++ = 0x63; |
*code++ = 0x63; |
} | } else { |
else { | compiler->mode32 = 1; |
if (dst_r == src) { | FAIL_IF(emit_mov(compiler, dst_r, 0, src, srcw)); |
compiler->mode32 = 1; | compiler->mode32 = 0; |
code = emit_x86_instruction(compiler, 1, TMP_REGISTER, 0, src, 0); | |
FAIL_IF(!code); | |
*code++ = 0x8b; | |
compiler->mode32 = 0; | |
} | |
/* xor reg, reg. */ | |
code = emit_x86_instruction(compiler, 1, dst_r, 0, dst_r, 0); | |
FAIL_IF(!code); | |
*code++ = 0x33; | |
if (dst_r != src) { | |
compiler->mode32 = 1; | |
code = emit_x86_instruction(compiler, 1, dst_r, 0, src, srcw); | |
FAIL_IF(!code); | |
*code++ = 0x8b; | |
compiler->mode32 = 0; | |
} | |
else { | |
compiler->mode32 = 1; | |
code = emit_x86_instruction(compiler, 1, src, 0, TMP_REGISTER, 0); | |
FAIL_IF(!code); | |
*code++ = 0x8b; | |
compiler->mode32 = 0; | |
} | |
} |
} |
} |
} |
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