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Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeX86_64.c')
-rw-r--r--thirdparty/pcre2/src/sljit/sljitNativeX86_64.c351
1 files changed, 242 insertions, 109 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeX86_64.c b/thirdparty/pcre2/src/sljit/sljitNativeX86_64.c
index bc92d45680..635ebd087c 100644
--- a/thirdparty/pcre2/src/sljit/sljitNativeX86_64.c
+++ b/thirdparty/pcre2/src/sljit/sljitNativeX86_64.c
@@ -1,7 +1,7 @@
/*
* Stack-less Just-In-Time compiler
*
- * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
+ * 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:
@@ -41,42 +41,55 @@ static sljit_s32 emit_load_imm64(struct sljit_compiler *compiler, sljit_s32 reg,
static sljit_u8* generate_far_jump_code(struct sljit_jump *jump, sljit_u8 *code_ptr, sljit_s32 type)
{
+ int short_addr = !(jump->flags & SLJIT_REWRITABLE_JUMP) && !(jump->flags & JUMP_LABEL) && (jump->u.target <= 0xffffffff);
+
+ /* The relative jump below specialized for this case. */
+ SLJIT_ASSERT(reg_map[TMP_REG2] >= 8);
+
if (type < SLJIT_JUMP) {
/* Invert type. */
*code_ptr++ = get_jump_code(type ^ 0x1) - 0x10;
- *code_ptr++ = 10 + 3;
+ *code_ptr++ = short_addr ? (6 + 3) : (10 + 3);
}
- SLJIT_COMPILE_ASSERT(reg_map[TMP_REG3] == 9, tmp3_is_9_first);
- *code_ptr++ = REX_W | REX_B;
- *code_ptr++ = MOV_r_i32 + 1;
+ *code_ptr++ = short_addr ? REX_B : (REX_W | REX_B);
+ *code_ptr++ = MOV_r_i32 | reg_lmap[TMP_REG2];
jump->addr = (sljit_uw)code_ptr;
if (jump->flags & JUMP_LABEL)
jump->flags |= PATCH_MD;
+ else if (short_addr)
+ sljit_unaligned_store_s32(code_ptr, (sljit_s32)jump->u.target);
else
sljit_unaligned_store_sw(code_ptr, jump->u.target);
- code_ptr += sizeof(sljit_sw);
+ code_ptr += short_addr ? sizeof(sljit_s32) : sizeof(sljit_sw);
+
*code_ptr++ = REX_B;
*code_ptr++ = GROUP_FF;
- *code_ptr++ = (type >= SLJIT_FAST_CALL) ? (MOD_REG | CALL_rm | 1) : (MOD_REG | JMP_rm | 1);
+ *code_ptr++ = MOD_REG | (type >= SLJIT_FAST_CALL ? CALL_rm : JMP_rm) | reg_lmap[TMP_REG2];
return code_ptr;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
- sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
+ 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, size, saved_register_size;
+ sljit_s32 args, i, tmp, size, saved_register_size;
sljit_u8 *inst;
CHECK_ERROR();
- CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
- set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
+ 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);
- compiler->flags_saved = 0;
+#ifdef _WIN64
+ /* Two/four register slots for parameters plus space for xmm6 register if needed. */
+ if (fscratches >= 6 || fsaveds >= 1)
+ compiler->locals_offset = 6 * sizeof(sljit_sw);
+ else
+ compiler->locals_offset = ((scratches > 2) ? 4 : 2) * sizeof(sljit_sw);
+#endif
/* Including the return address saved by the call instruction. */
saved_register_size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1);
@@ -102,6 +115,8 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi
PUSH_REG(reg_lmap[i]);
}
+ args = get_arg_count(arg_types);
+
if (args > 0) {
size = args * 3;
inst = (sljit_u8*)ensure_buf(compiler, 1 + size);
@@ -155,7 +170,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi
INC_SIZE(4 + (3 + sizeof(sljit_s32)));
*inst++ = REX_W;
*inst++ = GROUP_BINARY_83;
- *inst++ = MOD_REG | SUB | 4;
+ *inst++ = MOD_REG | SUB | reg_map[SLJIT_SP];
/* Allocated size for registers must be divisible by 8. */
SLJIT_ASSERT(!(saved_register_size & 0x7));
/* Aligned to 16 byte. */
@@ -167,7 +182,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi
local_size -= 4 * sizeof(sljit_sw);
}
/* Second instruction */
- SLJIT_COMPILE_ASSERT(reg_map[SLJIT_R0] < 8, temporary_reg1_is_loreg);
+ SLJIT_ASSERT(reg_map[SLJIT_R0] < 8);
*inst++ = REX_W;
*inst++ = MOV_rm_i32;
*inst++ = MOD_REG | reg_lmap[SLJIT_R0];
@@ -176,29 +191,30 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi
|| (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
compiler->skip_checks = 1;
#endif
- FAIL_IF(sljit_emit_ijump(compiler, SLJIT_CALL1, SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_grow_stack)));
+ FAIL_IF(sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_ARG1(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_grow_stack)));
}
#endif
- SLJIT_ASSERT(local_size > 0);
- if (local_size <= 127) {
- inst = (sljit_u8*)ensure_buf(compiler, 1 + 4);
- FAIL_IF(!inst);
- INC_SIZE(4);
- *inst++ = REX_W;
- *inst++ = GROUP_BINARY_83;
- *inst++ = MOD_REG | SUB | 4;
- *inst++ = local_size;
- }
- else {
- inst = (sljit_u8*)ensure_buf(compiler, 1 + 7);
- FAIL_IF(!inst);
- INC_SIZE(7);
- *inst++ = REX_W;
- *inst++ = GROUP_BINARY_81;
- *inst++ = MOD_REG | SUB | 4;
- sljit_unaligned_store_s32(inst, local_size);
- inst += sizeof(sljit_s32);
+ if (local_size > 0) {
+ if (local_size <= 127) {
+ inst = (sljit_u8*)ensure_buf(compiler, 1 + 4);
+ FAIL_IF(!inst);
+ INC_SIZE(4);
+ *inst++ = REX_W;
+ *inst++ = GROUP_BINARY_83;
+ *inst++ = MOD_REG | SUB | reg_map[SLJIT_SP];
+ *inst++ = local_size;
+ }
+ else {
+ inst = (sljit_u8*)ensure_buf(compiler, 1 + 7);
+ FAIL_IF(!inst);
+ INC_SIZE(7);
+ *inst++ = REX_W;
+ *inst++ = GROUP_BINARY_81;
+ *inst++ = MOD_REG | SUB | reg_map[SLJIT_SP];
+ sljit_unaligned_store_s32(inst, local_size);
+ inst += sizeof(sljit_s32);
+ }
}
#ifdef _WIN64
@@ -216,14 +232,22 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi
}
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
- sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
+ 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 saved_register_size;
CHECK_ERROR();
- CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
- set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
+ 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);
+
+#ifdef _WIN64
+ /* Two/four register slots for parameters plus space for xmm6 register if needed. */
+ if (fscratches >= 6 || fsaveds >= 1)
+ compiler->locals_offset = 6 * sizeof(sljit_sw);
+ else
+ compiler->locals_offset = ((scratches > 2) ? 4 : 2) * sizeof(sljit_sw);
+#endif
/* Including the return address saved by the call instruction. */
saved_register_size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1);
@@ -239,7 +263,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *comp
CHECK_ERROR();
CHECK(check_sljit_emit_return(compiler, op, src, srcw));
- compiler->flags_saved = 0;
FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
#ifdef _WIN64
@@ -253,24 +276,25 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *comp
}
#endif
- SLJIT_ASSERT(compiler->local_size > 0);
- if (compiler->local_size <= 127) {
- inst = (sljit_u8*)ensure_buf(compiler, 1 + 4);
- FAIL_IF(!inst);
- INC_SIZE(4);
- *inst++ = REX_W;
- *inst++ = GROUP_BINARY_83;
- *inst++ = MOD_REG | ADD | 4;
- *inst = compiler->local_size;
- }
- else {
- inst = (sljit_u8*)ensure_buf(compiler, 1 + 7);
- FAIL_IF(!inst);
- INC_SIZE(7);
- *inst++ = REX_W;
- *inst++ = GROUP_BINARY_81;
- *inst++ = MOD_REG | ADD | 4;
- sljit_unaligned_store_s32(inst, compiler->local_size);
+ if (compiler->local_size > 0) {
+ if (compiler->local_size <= 127) {
+ inst = (sljit_u8*)ensure_buf(compiler, 1 + 4);
+ FAIL_IF(!inst);
+ INC_SIZE(4);
+ *inst++ = REX_W;
+ *inst++ = GROUP_BINARY_83;
+ *inst++ = MOD_REG | ADD | 4;
+ *inst = compiler->local_size;
+ }
+ else {
+ inst = (sljit_u8*)ensure_buf(compiler, 1 + 7);
+ FAIL_IF(!inst);
+ INC_SIZE(7);
+ *inst++ = REX_W;
+ *inst++ = GROUP_BINARY_81;
+ *inst++ = MOD_REG | ADD | 4;
+ sljit_unaligned_store_s32(inst, compiler->local_size);
+ }
}
tmp = compiler->scratches;
@@ -365,13 +389,12 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
if (b & SLJIT_MEM) {
if (!(b & OFFS_REG_MASK)) {
if (NOT_HALFWORD(immb)) {
- if (emit_load_imm64(compiler, TMP_REG3, immb))
- return NULL;
+ PTR_FAIL_IF(emit_load_imm64(compiler, TMP_REG2, immb));
immb = 0;
if (b & REG_MASK)
- b |= TO_OFFS_REG(TMP_REG3);
+ b |= TO_OFFS_REG(TMP_REG2);
else
- b |= TMP_REG3;
+ b |= TMP_REG2;
}
else if (reg_lmap[b & REG_MASK] == 4)
b |= TO_OFFS_REG(SLJIT_SP);
@@ -400,7 +423,11 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
}
}
}
- else if (!(flags & EX86_SSE2_OP2) && reg_map[b] >= 8)
+ else if (!(flags & EX86_SSE2_OP2)) {
+ if (reg_map[b] >= 8)
+ rex |= REX_B;
+ }
+ else if (freg_map[b] >= 8)
rex |= REX_B;
if (a & SLJIT_IMM) {
@@ -427,7 +454,11 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
else {
SLJIT_ASSERT(!(flags & EX86_SHIFT_INS) || a == SLJIT_PREF_SHIFT_REG);
/* reg_map[SLJIT_PREF_SHIFT_REG] is less than 8. */
- if (!(flags & EX86_SSE2_OP1) && reg_map[a] >= 8)
+ if (!(flags & EX86_SSE2_OP1)) {
+ if (reg_map[a] >= 8)
+ rex |= REX_R;
+ }
+ else if (freg_map[a] >= 8)
rex |= REX_R;
}
@@ -454,12 +485,12 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
if ((flags & EX86_BIN_INS) && (a & SLJIT_IMM))
*inst = (flags & EX86_BYTE_ARG) ? GROUP_BINARY_83 : GROUP_BINARY_81;
- if ((a & SLJIT_IMM) || (a == 0))
+ if (a & SLJIT_IMM)
*buf_ptr = 0;
else if (!(flags & EX86_SSE2_OP1))
*buf_ptr = reg_lmap[a] << 3;
else
- *buf_ptr = a << 3;
+ *buf_ptr = freg_lmap[a] << 3;
}
else {
if (a & SLJIT_IMM) {
@@ -473,7 +504,7 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
}
if (!(b & SLJIT_MEM))
- *buf_ptr++ |= MOD_REG + ((!(flags & EX86_SSE2_OP2)) ? reg_lmap[b] : b);
+ *buf_ptr++ |= MOD_REG + ((!(flags & EX86_SSE2_OP2)) ? reg_lmap[b] : freg_lmap[b]);
else if ((b & REG_MASK) != SLJIT_UNUSED) {
if ((b & OFFS_REG_MASK) == SLJIT_UNUSED || (b & OFFS_REG_MASK) == TO_OFFS_REG(SLJIT_SP)) {
if (immb != 0 || reg_lmap[b & REG_MASK] == 5) {
@@ -531,42 +562,161 @@ static sljit_u8* emit_x86_instruction(struct sljit_compiler *compiler, sljit_s32
/* Call / return instructions */
/* --------------------------------------------------------------------- */
-static SLJIT_INLINE sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 type)
+#ifndef _WIN64
+
+static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src_ptr, sljit_sw srcw)
{
- sljit_u8 *inst;
+ sljit_s32 src = src_ptr ? (*src_ptr) : 0;
+ sljit_s32 word_arg_count = 0;
-#ifndef _WIN64
- SLJIT_COMPILE_ASSERT(reg_map[SLJIT_R1] == 6 && reg_map[SLJIT_R0] < 8 && reg_map[SLJIT_R2] < 8, args_registers);
+ SLJIT_ASSERT(reg_map[SLJIT_R1] == 6 && reg_map[SLJIT_R3] == 1 && reg_map[TMP_REG1] == 2);
- inst = (sljit_u8*)ensure_buf(compiler, 1 + ((type < SLJIT_CALL3) ? 3 : 6));
- FAIL_IF(!inst);
- INC_SIZE((type < SLJIT_CALL3) ? 3 : 6);
- if (type >= SLJIT_CALL3) {
- *inst++ = REX_W;
- *inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (0x2 /* rdx */ << 3) | reg_lmap[SLJIT_R2];
+ compiler->mode32 = 0;
+
+ /* Remove return value. */
+ arg_types >>= SLJIT_DEF_SHIFT;
+
+ while (arg_types) {
+ if ((arg_types & SLJIT_DEF_MASK) < SLJIT_ARG_TYPE_F32)
+ word_arg_count++;
+ arg_types >>= SLJIT_DEF_SHIFT;
}
- *inst++ = REX_W;
- *inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (0x7 /* rdi */ << 3) | reg_lmap[SLJIT_R0];
+
+ if (word_arg_count == 0)
+ return SLJIT_SUCCESS;
+
+ if (src & SLJIT_MEM) {
+ ADJUST_LOCAL_OFFSET(src, srcw);
+ EMIT_MOV(compiler, TMP_REG2, 0, src, srcw);
+ *src_ptr = TMP_REG2;
+ }
+ else if (src == SLJIT_R2 && word_arg_count >= SLJIT_R2)
+ *src_ptr = TMP_REG1;
+
+ if (word_arg_count >= 3)
+ EMIT_MOV(compiler, TMP_REG1, 0, SLJIT_R2, 0);
+ return emit_mov(compiler, SLJIT_R2, 0, SLJIT_R0, 0);
+}
+
#else
- SLJIT_COMPILE_ASSERT(reg_map[SLJIT_R1] == 2 && reg_map[SLJIT_R0] < 8 && reg_map[SLJIT_R2] < 8, args_registers);
- inst = (sljit_u8*)ensure_buf(compiler, 1 + ((type < SLJIT_CALL3) ? 3 : 6));
- FAIL_IF(!inst);
- INC_SIZE((type < SLJIT_CALL3) ? 3 : 6);
- if (type >= SLJIT_CALL3) {
- *inst++ = REX_W | REX_R;
- *inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (0x0 /* r8 */ << 3) | reg_lmap[SLJIT_R2];
+static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src_ptr, sljit_sw srcw)
+{
+ sljit_s32 src = src_ptr ? (*src_ptr) : 0;
+ sljit_s32 arg_count = 0;
+ sljit_s32 word_arg_count = 0;
+ sljit_s32 float_arg_count = 0;
+ sljit_s32 types = 0;
+ sljit_s32 data_trandfer = 0;
+ static sljit_u8 word_arg_regs[5] = { 0, SLJIT_R3, SLJIT_R1, SLJIT_R2, TMP_REG1 };
+
+ SLJIT_ASSERT(reg_map[SLJIT_R3] == 1 && reg_map[SLJIT_R1] == 2 && reg_map[SLJIT_R2] == 8 && reg_map[TMP_REG1] == 9);
+
+ compiler->mode32 = 0;
+ arg_types >>= SLJIT_DEF_SHIFT;
+
+ while (arg_types) {
+ types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK);
+
+ switch (arg_types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ case SLJIT_ARG_TYPE_F64:
+ arg_count++;
+ float_arg_count++;
+
+ if (arg_count != float_arg_count)
+ data_trandfer = 1;
+ break;
+ default:
+ arg_count++;
+ word_arg_count++;
+
+ if (arg_count != word_arg_count || arg_count != word_arg_regs[arg_count]) {
+ data_trandfer = 1;
+
+ if (src == word_arg_regs[arg_count]) {
+ EMIT_MOV(compiler, TMP_REG2, 0, src, 0);
+ *src_ptr = TMP_REG2;
+ }
+ }
+ break;
+ }
+
+ arg_types >>= SLJIT_DEF_SHIFT;
}
- *inst++ = REX_W;
- *inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (0x1 /* rcx */ << 3) | reg_lmap[SLJIT_R0];
-#endif
+
+ if (!data_trandfer)
+ return SLJIT_SUCCESS;
+
+ if (src & SLJIT_MEM) {
+ ADJUST_LOCAL_OFFSET(src, srcw);
+ EMIT_MOV(compiler, TMP_REG2, 0, src, srcw);
+ *src_ptr = TMP_REG2;
+ }
+
+ while (types) {
+ switch (types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ if (arg_count != float_arg_count)
+ FAIL_IF(emit_sse2_load(compiler, 1, arg_count, float_arg_count, 0));
+ arg_count--;
+ float_arg_count--;
+ break;
+ case SLJIT_ARG_TYPE_F64:
+ if (arg_count != float_arg_count)
+ FAIL_IF(emit_sse2_load(compiler, 0, arg_count, float_arg_count, 0));
+ arg_count--;
+ float_arg_count--;
+ break;
+ default:
+ if (arg_count != word_arg_count || arg_count != word_arg_regs[arg_count])
+ EMIT_MOV(compiler, word_arg_regs[arg_count], 0, word_arg_count, 0);
+ arg_count--;
+ word_arg_count--;
+ break;
+ }
+
+ types >>= SLJIT_DEF_SHIFT;
+ }
+
return SLJIT_SUCCESS;
}
+#endif
+
+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));
+
+ PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL, 0));
+
+#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
+ || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
+ compiler->skip_checks = 1;
+#endif
+
+ return sljit_emit_jump(compiler, type);
+}
+
+SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_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));
+
+ FAIL_IF(call_with_args(compiler, arg_types, &src, srcw));
+
+#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
+ || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
+ compiler->skip_checks = 1;
+#endif
+
+ return sljit_emit_ijump(compiler, type, src, srcw);
+}
+
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
{
sljit_u8 *inst;
@@ -612,11 +762,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler
CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
ADJUST_LOCAL_OFFSET(src, srcw);
- if ((src & SLJIT_IMM) && NOT_HALFWORD(srcw)) {
- FAIL_IF(emit_load_imm64(compiler, TMP_REG1, srcw));
- src = TMP_REG1;
- }
-
if (FAST_IS_REG(src)) {
if (reg_map[src] < 8) {
inst = (sljit_u8*)ensure_buf(compiler, 1 + 1 + 1);
@@ -634,7 +779,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler
PUSH_REG(reg_lmap[src]);
}
}
- else if (src & SLJIT_MEM) {
+ else {
/* REX_W is not necessary (src is not immediate). */
compiler->mode32 = 1;
inst = emit_x86_instruction(compiler, 1, 0, 0, src, srcw);
@@ -646,23 +791,11 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler
FAIL_IF(!inst);
INC_SIZE(1);
}
- else {
- SLJIT_ASSERT(IS_HALFWORD(srcw));
- /* SLJIT_IMM. */
- inst = (sljit_u8*)ensure_buf(compiler, 1 + 5 + 1);
- FAIL_IF(!inst);
-
- INC_SIZE(5 + 1);
- *inst++ = PUSH_i32;
- sljit_unaligned_store_s32(inst, srcw);
- inst += sizeof(sljit_s32);
- }
RET();
return SLJIT_SUCCESS;
}
-
/* --------------------------------------------------------------------- */
/* Extend input */
/* --------------------------------------------------------------------- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 18:27:50 +0000