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Diffstat (limited to 'src/3rdparty/pcre/sljit/sljitNativeX86_32.c')
-rw-r--r--src/3rdparty/pcre/sljit/sljitNativeX86_32.c207
1 files changed, 100 insertions, 107 deletions
diff --git a/src/3rdparty/pcre/sljit/sljitNativeX86_32.c b/src/3rdparty/pcre/sljit/sljitNativeX86_32.c
index dd03f26618..d7129c8e26 100644
--- a/src/3rdparty/pcre/sljit/sljitNativeX86_32.c
+++ b/src/3rdparty/pcre/sljit/sljitNativeX86_32.c
@@ -63,27 +63,25 @@ static sljit_ub* generate_far_jump_code(struct sljit_jump *jump, sljit_ub *code_
return code_ptr;
}
-SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
+SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compiler,
+ sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
+ sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
{
sljit_si size;
- sljit_si locals_offset;
sljit_ub *inst;
CHECK_ERROR();
- check_sljit_emit_enter(compiler, args, scratches, saveds, local_size);
+ 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);
- compiler->scratches = scratches;
- compiler->saveds = saveds;
compiler->args = args;
compiler->flags_saved = 0;
-#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
- compiler->logical_local_size = local_size;
-#endif
+ size = 1 + (scratches > 7 ? (scratches - 7) : 0) + (saveds <= 3 ? saveds : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
- size = 1 + (saveds <= 3 ? saveds : 3) + (args > 0 ? (args * 2) : 0) + (args > 2 ? 2 : 0);
+ size += (args > 0 ? (args * 2) : 0) + (args > 2 ? 2 : 0);
#else
- size = 1 + (saveds <= 3 ? saveds : 3) + (args > 0 ? (2 + args * 3) : 0);
+ size += (args > 0 ? (2 + args * 3) : 0);
#endif
inst = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!inst);
@@ -96,76 +94,85 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compil
*inst++ = MOD_REG | (reg_map[TMP_REG1] << 3) | 0x4 /* esp */;
}
#endif
- if (saveds > 2)
- PUSH_REG(reg_map[SLJIT_SAVED_REG3]);
- if (saveds > 1)
- PUSH_REG(reg_map[SLJIT_SAVED_REG2]);
- if (saveds > 0)
- PUSH_REG(reg_map[SLJIT_SAVED_REG1]);
+ if (saveds > 2 || scratches > 7)
+ PUSH_REG(reg_map[SLJIT_S2]);
+ if (saveds > 1 || scratches > 8)
+ PUSH_REG(reg_map[SLJIT_S1]);
+ if (saveds > 0 || scratches > 9)
+ PUSH_REG(reg_map[SLJIT_S0]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (args > 0) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (reg_map[SLJIT_SAVED_REG1] << 3) | reg_map[SLJIT_SCRATCH_REG3];
+ *inst++ = MOD_REG | (reg_map[SLJIT_S0] << 3) | reg_map[SLJIT_R2];
}
if (args > 1) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (reg_map[SLJIT_SAVED_REG2] << 3) | reg_map[SLJIT_SCRATCH_REG2];
+ *inst++ = MOD_REG | (reg_map[SLJIT_S1] << 3) | reg_map[SLJIT_R1];
}
if (args > 2) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG3] << 3) | 0x4 /* esp */;
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_S2] << 3) | 0x4 /* esp */;
*inst++ = 0x24;
*inst++ = sizeof(sljit_sw) * (3 + 2); /* saveds >= 3 as well. */
}
#else
if (args > 0) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG1] << 3) | reg_map[TMP_REG1];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_S0] << 3) | reg_map[TMP_REG1];
*inst++ = sizeof(sljit_sw) * 2;
}
if (args > 1) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG2] << 3) | reg_map[TMP_REG1];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_S1] << 3) | reg_map[TMP_REG1];
*inst++ = sizeof(sljit_sw) * 3;
}
if (args > 2) {
*inst++ = MOV_r_rm;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SAVED_REG3] << 3) | reg_map[TMP_REG1];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_S2] << 3) | reg_map[TMP_REG1];
*inst++ = sizeof(sljit_sw) * 4;
}
#endif
-#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
- locals_offset = 2 * sizeof(sljit_uw);
-#else
- SLJIT_COMPILE_ASSERT(FIXED_LOCALS_OFFSET >= 2 * sizeof(sljit_uw), require_at_least_two_words);
- locals_offset = FIXED_LOCALS_OFFSET;
-#endif
- compiler->scratches_start = locals_offset;
- if (scratches > 3)
- locals_offset += (scratches - 3) * sizeof(sljit_uw);
- compiler->saveds_start = locals_offset;
- if (saveds > 3)
- locals_offset += (saveds - 3) * sizeof(sljit_uw);
- compiler->locals_offset = locals_offset;
+ SLJIT_COMPILE_ASSERT(SLJIT_LOCALS_OFFSET >= (2 + 4) * sizeof(sljit_uw), require_at_least_two_words);
#if defined(__APPLE__)
- saveds = (2 + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
- local_size = ((locals_offset + saveds + local_size + 15) & ~15) - saveds;
+ /* Ignore pushed registers and SLJIT_LOCALS_OFFSET when computing the aligned local size. */
+ saveds = (2 + (scratches > 7 ? (scratches - 7) : 0) + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
+ local_size = ((SLJIT_LOCALS_OFFSET + saveds + local_size + 15) & ~15) - saveds;
#else
- local_size = locals_offset + ((local_size + sizeof(sljit_uw) - 1) & ~(sizeof(sljit_uw) - 1));
+ if (options & SLJIT_DOUBLE_ALIGNMENT) {
+ local_size = SLJIT_LOCALS_OFFSET + ((local_size + 7) & ~7);
+
+ inst = (sljit_ub*)ensure_buf(compiler, 1 + 17);
+ FAIL_IF(!inst);
+
+ INC_SIZE(17);
+ inst[0] = MOV_r_rm;
+ inst[1] = MOD_REG | (reg_map[TMP_REG1] << 3) | reg_map[SLJIT_SP];
+ inst[2] = GROUP_F7;
+ inst[3] = MOD_REG | (0 << 3) | reg_map[SLJIT_SP];
+ *(sljit_sw*)(inst + 4) = 0x4;
+ inst[8] = JNE_i8;
+ inst[9] = 6;
+ inst[10] = GROUP_BINARY_81;
+ inst[11] = MOD_REG | (5 << 3) | reg_map[SLJIT_SP];
+ *(sljit_sw*)(inst + 12) = 0x4;
+ inst[16] = PUSH_r + reg_map[TMP_REG1];
+ }
+ else
+ local_size = SLJIT_LOCALS_OFFSET + ((local_size + 3) & ~3);
#endif
compiler->local_size = local_size;
#ifdef _WIN32
if (local_size > 1024) {
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
- FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_SCRATCH_REG1], local_size));
+ FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_R0], local_size));
#else
- local_size -= FIXED_LOCALS_OFFSET;
- FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_SCRATCH_REG1], local_size));
+ local_size -= SLJIT_LOCALS_OFFSET;
+ FAIL_IF(emit_do_imm(compiler, MOV_r_i32 + reg_map[SLJIT_R0], local_size));
FAIL_IF(emit_non_cum_binary(compiler, SUB_r_rm, SUB_rm_r, SUB, SUB_EAX_i32,
- SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, FIXED_LOCALS_OFFSET));
+ SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, SLJIT_LOCALS_OFFSET));
#endif
FAIL_IF(sljit_emit_ijump(compiler, SLJIT_CALL1, SLJIT_IMM, SLJIT_FUNC_OFFSET(sljit_grow_stack)));
}
@@ -173,41 +180,29 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_enter(struct sljit_compiler *compil
SLJIT_ASSERT(local_size > 0);
return emit_non_cum_binary(compiler, SUB_r_rm, SUB_rm_r, SUB, SUB_EAX_i32,
- SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, local_size);
+ SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, local_size);
}
-SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, sljit_si args, sljit_si scratches, sljit_si saveds, sljit_si local_size)
+SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_set_context(struct sljit_compiler *compiler,
+ sljit_si options, sljit_si args, sljit_si scratches, sljit_si saveds,
+ sljit_si fscratches, sljit_si fsaveds, sljit_si local_size)
{
- sljit_si locals_offset;
-
- CHECK_ERROR_VOID();
- check_sljit_set_context(compiler, args, scratches, saveds, local_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);
- compiler->scratches = scratches;
- compiler->saveds = saveds;
compiler->args = args;
-#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
- compiler->logical_local_size = local_size;
-#endif
-#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
- locals_offset = 2 * sizeof(sljit_uw);
-#else
- locals_offset = FIXED_LOCALS_OFFSET;
-#endif
- compiler->scratches_start = locals_offset;
- if (scratches > 3)
- locals_offset += (scratches - 3) * sizeof(sljit_uw);
- compiler->saveds_start = locals_offset;
- if (saveds > 3)
- locals_offset += (saveds - 3) * sizeof(sljit_uw);
- compiler->locals_offset = locals_offset;
#if defined(__APPLE__)
- saveds = (2 + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
- compiler->local_size = ((locals_offset + saveds + local_size + 15) & ~15) - saveds;
+ saveds = (2 + (scratches > 7 ? (scratches - 7) : 0) + (saveds <= 3 ? saveds : 3)) * sizeof(sljit_uw);
+ compiler->local_size = ((SLJIT_LOCALS_OFFSET + saveds + local_size + 15) & ~15) - saveds;
#else
- compiler->local_size = locals_offset + ((local_size + sizeof(sljit_uw) - 1) & ~(sizeof(sljit_uw) - 1));
+ if (options & SLJIT_DOUBLE_ALIGNMENT)
+ compiler->local_size = SLJIT_LOCALS_OFFSET + ((local_size + 7) & ~7);
+ else
+ compiler->local_size = SLJIT_LOCALS_OFFSET + ((local_size + 3) & ~3);
#endif
+ return SLJIT_SUCCESS;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
@@ -216,7 +211,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compi
sljit_ub *inst;
CHECK_ERROR();
- check_sljit_emit_return(compiler, op, src, srcw);
+ CHECK(check_sljit_emit_return(compiler, op, src, srcw));
SLJIT_ASSERT(compiler->args >= 0);
compiler->flags_saved = 0;
@@ -224,9 +219,22 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compi
SLJIT_ASSERT(compiler->local_size > 0);
FAIL_IF(emit_cum_binary(compiler, ADD_r_rm, ADD_rm_r, ADD, ADD_EAX_i32,
- SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, compiler->local_size));
+ SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, compiler->local_size));
+
+#if !defined(__APPLE__)
+ if (compiler->options & SLJIT_DOUBLE_ALIGNMENT) {
+ inst = (sljit_ub*)ensure_buf(compiler, 1 + 3);
+ FAIL_IF(!inst);
+
+ INC_SIZE(3);
+ inst[0] = MOV_r_rm;
+ inst[1] = (reg_map[SLJIT_SP] << 3) | 0x4 /* SIB */;
+ inst[2] = (4 << 3) | reg_map[SLJIT_SP];
+ }
+#endif
- size = 2 + (compiler->saveds <= 3 ? compiler->saveds : 3);
+ size = 2 + (compiler->scratches > 7 ? (compiler->scratches - 7) : 0) +
+ (compiler->saveds <= 3 ? compiler->saveds : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
size += 2;
@@ -239,12 +247,12 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compi
INC_SIZE(size);
- if (compiler->saveds > 0)
- POP_REG(reg_map[SLJIT_SAVED_REG1]);
- if (compiler->saveds > 1)
- POP_REG(reg_map[SLJIT_SAVED_REG2]);
- if (compiler->saveds > 2)
- POP_REG(reg_map[SLJIT_SAVED_REG3]);
+ if (compiler->saveds > 0 || compiler->scratches > 9)
+ POP_REG(reg_map[SLJIT_S0]);
+ if (compiler->saveds > 1 || compiler->scratches > 8)
+ POP_REG(reg_map[SLJIT_S1]);
+ if (compiler->saveds > 2 || compiler->scratches > 7)
+ POP_REG(reg_map[SLJIT_S2]);
POP_REG(reg_map[TMP_REG1]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
@@ -280,21 +288,17 @@ static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si
SLJIT_ASSERT(!(flags & (EX86_BIN_INS | EX86_SHIFT_INS)) || (flags & (EX86_BYTE_ARG | EX86_HALF_ARG)) == 0);
/* Both size flags cannot be switched on. */
SLJIT_ASSERT((flags & (EX86_BYTE_ARG | EX86_HALF_ARG)) != (EX86_BYTE_ARG | EX86_HALF_ARG));
-#if (defined SLJIT_SSE2 && SLJIT_SSE2)
/* SSE2 and immediate is not possible. */
SLJIT_ASSERT(!(a & SLJIT_IMM) || !(flags & EX86_SSE2));
SLJIT_ASSERT((flags & (EX86_PREF_F2 | EX86_PREF_F3)) != (EX86_PREF_F2 | EX86_PREF_F3)
&& (flags & (EX86_PREF_F2 | EX86_PREF_66)) != (EX86_PREF_F2 | EX86_PREF_66)
&& (flags & (EX86_PREF_F3 | EX86_PREF_66)) != (EX86_PREF_F3 | EX86_PREF_66));
-#endif
size &= 0xf;
inst_size = size;
-#if (defined SLJIT_SSE2 && SLJIT_SSE2)
if (flags & (EX86_PREF_F2 | EX86_PREF_F3))
inst_size++;
-#endif
if (flags & EX86_PREF_66)
inst_size++;
@@ -311,8 +315,8 @@ static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si
inst_size += sizeof(sljit_sw);
}
- if ((b & REG_MASK) == SLJIT_LOCALS_REG && !(b & OFFS_REG_MASK))
- b |= TO_OFFS_REG(SLJIT_LOCALS_REG);
+ if ((b & REG_MASK) == SLJIT_SP && !(b & OFFS_REG_MASK))
+ b |= TO_OFFS_REG(SLJIT_SP);
if ((b & OFFS_REG_MASK) != SLJIT_UNUSED)
inst_size += 1; /* SIB byte. */
@@ -348,12 +352,10 @@ static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si
/* Encoding the byte. */
INC_SIZE(inst_size);
-#if (defined SLJIT_SSE2 && SLJIT_SSE2)
if (flags & EX86_PREF_F2)
*inst++ = 0xf2;
if (flags & EX86_PREF_F3)
*inst++ = 0xf3;
-#endif
if (flags & EX86_PREF_66)
*inst++ = 0x66;
@@ -366,15 +368,10 @@ static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si
if ((a & SLJIT_IMM) || (a == 0))
*buf_ptr = 0;
-#if (defined SLJIT_SSE2 && SLJIT_SSE2)
- else if (!(flags & EX86_SSE2))
+ else if (!(flags & EX86_SSE2_OP1))
*buf_ptr = reg_map[a] << 3;
else
*buf_ptr = a << 3;
-#else
- else
- *buf_ptr = reg_map[a] << 3;
-#endif
}
else {
if (a & SLJIT_IMM) {
@@ -388,13 +385,9 @@ static sljit_ub* emit_x86_instruction(struct sljit_compiler *compiler, sljit_si
}
if (!(b & SLJIT_MEM))
-#if (defined SLJIT_SSE2 && SLJIT_SSE2)
- *buf_ptr++ |= MOD_REG + ((!(flags & EX86_SSE2)) ? reg_map[b] : b);
-#else
- *buf_ptr++ |= MOD_REG + reg_map[b];
-#endif
+ *buf_ptr++ |= MOD_REG + ((!(flags & EX86_SSE2_OP2)) ? reg_map[b] : b);
else if ((b & REG_MASK) != SLJIT_UNUSED) {
- if ((b & OFFS_REG_MASK) == SLJIT_UNUSED || (b & OFFS_REG_MASK) == TO_OFFS_REG(SLJIT_LOCALS_REG)) {
+ if ((b & OFFS_REG_MASK) == SLJIT_UNUSED || (b & OFFS_REG_MASK) == TO_OFFS_REG(SLJIT_SP)) {
if (immb != 0) {
if (immb <= 127 && immb >= -128)
*buf_ptr |= 0x40;
@@ -455,28 +448,28 @@ static SLJIT_INLINE sljit_si call_with_args(struct sljit_compiler *compiler, slj
INC_SIZE(type >= SLJIT_CALL3 ? 2 + 1 : 2);
if (type >= SLJIT_CALL3)
- PUSH_REG(reg_map[SLJIT_SCRATCH_REG3]);
+ PUSH_REG(reg_map[SLJIT_R2]);
*inst++ = MOV_r_rm;
- *inst++ = MOD_REG | (reg_map[SLJIT_SCRATCH_REG3] << 3) | reg_map[SLJIT_SCRATCH_REG1];
+ *inst++ = MOD_REG | (reg_map[SLJIT_R2] << 3) | reg_map[SLJIT_R0];
#else
inst = (sljit_ub*)ensure_buf(compiler, 1 + 4 * (type - SLJIT_CALL0));
FAIL_IF(!inst);
INC_SIZE(4 * (type - SLJIT_CALL0));
*inst++ = MOV_rm_r;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG1] << 3) | 0x4 /* SIB */;
- *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_R0] << 3) | 0x4 /* SIB */;
+ *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_SP];
*inst++ = 0;
if (type >= SLJIT_CALL2) {
*inst++ = MOV_rm_r;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG2] << 3) | 0x4 /* SIB */;
- *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_R1] << 3) | 0x4 /* SIB */;
+ *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_SP];
*inst++ = sizeof(sljit_sw);
}
if (type >= SLJIT_CALL3) {
*inst++ = MOV_rm_r;
- *inst++ = MOD_DISP8 | (reg_map[SLJIT_SCRATCH_REG3] << 3) | 0x4 /* SIB */;
- *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_LOCALS_REG];
+ *inst++ = MOD_DISP8 | (reg_map[SLJIT_R2] << 3) | 0x4 /* SIB */;
+ *inst++ = (0x4 /* none*/ << 3) | reg_map[SLJIT_SP];
*inst++ = 2 * sizeof(sljit_sw);
}
#endif
@@ -488,7 +481,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_enter(struct sljit_compiler *c
sljit_ub *inst;
CHECK_ERROR();
- check_sljit_emit_fast_enter(compiler, dst, dstw);
+ CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
ADJUST_LOCAL_OFFSET(dst, dstw);
CHECK_EXTRA_REGS(dst, dstw, (void)0);
@@ -519,7 +512,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler *
sljit_ub *inst;
CHECK_ERROR();
- check_sljit_emit_fast_return(compiler, src, srcw);
+ CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
ADJUST_LOCAL_OFFSET(src, srcw);
CHECK_EXTRA_REGS(src, srcw, (void)0);