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path: root/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
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Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeARM_64.c')
-rw-r--r--thirdparty/pcre2/src/sljit/sljitNativeARM_64.c111
1 files changed, 62 insertions, 49 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c b/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
index e15b3451e8..52267e7df7 100644
--- a/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
+++ b/thirdparty/pcre2/src/sljit/sljitNativeARM_64.c
@@ -151,16 +151,6 @@ static SLJIT_INLINE sljit_s32 emit_imm64_const(struct sljit_compiler *compiler,
return push_inst(compiler, MOVK | RD(dst) | ((imm >> 48) << 5) | (3 << 21));
}
-static SLJIT_INLINE void modify_imm64_const(sljit_ins* inst, sljit_uw new_imm)
-{
- sljit_s32 dst = inst[0] & 0x1f;
- SLJIT_ASSERT((inst[0] & 0xffe00000) == MOVZ && (inst[1] & 0xffe00000) == (MOVK | (1 << 21)));
- inst[0] = MOVZ | dst | ((new_imm & 0xffff) << 5);
- inst[1] = MOVK | dst | (((new_imm >> 16) & 0xffff) << 5) | (1 << 21);
- inst[2] = MOVK | dst | (((new_imm >> 32) & 0xffff) << 5) | (2 << 21);
- inst[3] = MOVK | dst | ((new_imm >> 48) << 5) | (3 << 21);
-}
-
static SLJIT_INLINE sljit_sw detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
{
sljit_sw diff;
@@ -253,7 +243,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
CHECK_PTR(check_sljit_generate_code(compiler));
reverse_buf(compiler);
- code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
+ code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins), compiler->exec_allocator_data);
PTR_FAIL_WITH_EXEC_IF(code);
buf = compiler->buf;
@@ -380,6 +370,7 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil
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);
return code;
}
@@ -396,6 +387,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
case SLJIT_HAS_CLZ:
case SLJIT_HAS_CMOV:
+ case SLJIT_HAS_PREFETCH:
return 1;
default:
@@ -1154,6 +1146,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile
case SLJIT_DIV_UW:
case SLJIT_DIV_SW:
return push_inst(compiler, ((op == SLJIT_DIV_UW ? UDIV : SDIV) ^ inv_bits) | RD(SLJIT_R0) | RN(SLJIT_R0) | RM(SLJIT_R1));
+ case SLJIT_ENDBR:
+ case SLJIT_SKIP_FRAMES_BEFORE_RETURN:
+ return SLJIT_SUCCESS;
}
return SLJIT_SUCCESS;
@@ -1171,23 +1166,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile
ADJUST_LOCAL_OFFSET(dst, dstw);
ADJUST_LOCAL_OFFSET(src, srcw);
- if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) {
- if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) {
- SLJIT_ASSERT(reg_map[1] == 0 && reg_map[3] == 2 && reg_map[5] == 4);
-
- if (op >= SLJIT_MOV_U8 && op <= SLJIT_MOV_S8)
- dst = 5;
- else if (op >= SLJIT_MOV_U16 && op <= SLJIT_MOV_S16)
- dst = 3;
- else
- dst = 1;
-
- /* Signed word sized load is the prefetch instruction. */
- return emit_op_mem(compiler, WORD_SIZE | SIGNED, dst, src, srcw, TMP_REG1);
- }
- return SLJIT_SUCCESS;
- }
-
dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1;
op = GET_OPCODE(op);
@@ -1327,6 +1305,46 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile
return SLJIT_SUCCESS;
}
+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, ORR | RD(TMP_LR) | RN(TMP_ZERO) | RM(src)));
+ else
+ FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_LR, src, srcw, TMP_REG1));
+
+ return push_inst(compiler, RET | RN(TMP_LR));
+ 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:
+ SLJIT_ASSERT(reg_map[1] == 0 && reg_map[3] == 2 && reg_map[5] == 4);
+
+ /* The reg_map[op] should provide the appropriate constant. */
+ if (op == SLJIT_PREFETCH_L1)
+ op = 1;
+ else if (op == SLJIT_PREFETCH_L2)
+ op = 3;
+ else if (op == SLJIT_PREFETCH_L3)
+ op = 5;
+ else
+ op = 2;
+
+ /* Signed word sized load is the prefetch instruction. */
+ return emit_op_mem(compiler, WORD_SIZE | SIGNED, op, src, srcw, TMP_REG1);
+ }
+
+ 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));
@@ -1578,20 +1596,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *
return emit_op_mem(compiler, WORD_SIZE | STORE, TMP_LR, dst, dstw, TMP_REG1);
}
-SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
-{
- CHECK_ERROR();
- CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
- ADJUST_LOCAL_OFFSET(src, srcw);
-
- if (FAST_IS_REG(src))
- FAIL_IF(push_inst(compiler, ORR | RD(TMP_LR) | RN(TMP_ZERO) | RM(src)));
- else
- FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_LR, src, srcw, TMP_REG1));
-
- return push_inst(compiler, RET | RN(TMP_LR));
-}
-
/* --------------------------------------------------------------------- */
/* Conditional instructions */
/* --------------------------------------------------------------------- */
@@ -1865,7 +1869,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile
CHECK_ERROR();
CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw));
- if ((mem & OFFS_REG_MASK) || (memw > 255 && memw < -256))
+ if ((mem & OFFS_REG_MASK) || (memw > 255 || memw < -256))
return SLJIT_ERR_UNSUPPORTED;
if (type & SLJIT_MEM_SUPP)
@@ -1915,7 +1919,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compil
CHECK_ERROR();
CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw));
- if ((mem & OFFS_REG_MASK) || (memw > 255 && memw < -256))
+ if ((mem & OFFS_REG_MASK) || (memw > 255 || memw < -256))
return SLJIT_ERR_UNSUPPORTED;
if (type & SLJIT_MEM_SUPP)
@@ -2021,15 +2025,24 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct slj
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
{
sljit_ins* inst = (sljit_ins*)addr;
- modify_imm64_const(inst, new_target);
+ sljit_s32 dst;
+ SLJIT_UNUSED_ARG(executable_offset);
+
+ SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 0);
+
+ dst = inst[0] & 0x1f;
+ SLJIT_ASSERT((inst[0] & 0xffe00000) == MOVZ && (inst[1] & 0xffe00000) == (MOVK | (1 << 21)));
+ inst[0] = MOVZ | dst | ((new_target & 0xffff) << 5);
+ inst[1] = MOVK | dst | (((new_target >> 16) & 0xffff) << 5) | (1 << 21);
+ inst[2] = MOVK | dst | (((new_target >> 32) & 0xffff) << 5) | (2 << 21);
+ inst[3] = MOVK | dst | ((new_target >> 48) << 5) | (3 << 21);
+
+ SLJIT_UPDATE_WX_FLAGS(inst, inst + 4, 1);
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 4);
}
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
{
- sljit_ins* inst = (sljit_ins*)addr;
- modify_imm64_const(inst, new_constant);
- inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
- SLJIT_CACHE_FLUSH(inst, inst + 4);
+ sljit_set_jump_addr(addr, new_constant, executable_offset);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 01:10:48 +0000