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Diffstat (limited to 'src/sljit/sljitNativeARM_64.c')
-rw-r--r--src/sljit/sljitNativeARM_64.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/src/sljit/sljitNativeARM_64.c b/src/sljit/sljitNativeARM_64.c
index 52267e7..3f0f5fc 100644
--- a/src/sljit/sljitNativeARM_64.c
+++ b/src/sljit/sljitNativeARM_64.c
@@ -644,6 +644,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
imm = -imm;
/* Fall through. */
case SLJIT_ADD:
+ compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD_SUB;
if (imm == 0) {
CHECK_FLAGS(1 << 29);
return push_inst(compiler, ((op == SLJIT_ADD ? ADDI : SUBI) ^ inv_bits) | RD(dst) | RN(reg));
@@ -781,6 +782,7 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
break; /* Set flags. */
case SLJIT_NEG:
SLJIT_ASSERT(arg1 == TMP_REG1);
+ compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD_SUB;
if (flags & SET_FLAGS)
inv_bits |= 1 << 29;
return push_inst(compiler, (SUB ^ inv_bits) | RD(dst) | RN(TMP_ZERO) | RM(arg2));
@@ -789,17 +791,20 @@ static sljit_s32 emit_op_imm(struct sljit_compiler *compiler, sljit_s32 flags, s
return push_inst(compiler, (CLZ ^ inv_bits) | RD(dst) | RN(arg2));
case SLJIT_ADD:
CHECK_FLAGS(1 << 29);
+ compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD_SUB;
return push_inst(compiler, (ADD ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2));
case SLJIT_ADDC:
CHECK_FLAGS(1 << 29);
return push_inst(compiler, (ADC ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2));
case SLJIT_SUB:
CHECK_FLAGS(1 << 29);
+ compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD_SUB;
return push_inst(compiler, (SUB ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2));
case SLJIT_SUBC:
CHECK_FLAGS(1 << 29);
return push_inst(compiler, (SBC ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2));
case SLJIT_MUL:
+ compiler->status_flags_state = 0;
if (!(flags & SET_FLAGS))
return push_inst(compiler, (MADD ^ inv_bits) | RD(dst) | RN(arg1) | RM(arg2) | RT2(TMP_ZERO));
if (flags & INT_OP) {
@@ -1600,16 +1605,14 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *
/* Conditional instructions */
/* --------------------------------------------------------------------- */
-static sljit_uw get_cc(sljit_s32 type)
+static sljit_uw get_cc(struct sljit_compiler *compiler, sljit_s32 type)
{
switch (type) {
case SLJIT_EQUAL:
- case SLJIT_MUL_NOT_OVERFLOW:
case SLJIT_EQUAL_F64:
return 0x1;
case SLJIT_NOT_EQUAL:
- case SLJIT_MUL_OVERFLOW:
case SLJIT_NOT_EQUAL_F64:
return 0x0;
@@ -1642,10 +1645,16 @@ static sljit_uw get_cc(sljit_s32 type)
return 0xc;
case SLJIT_OVERFLOW:
+ if (!(compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD_SUB))
+ return 0x0;
+
case SLJIT_UNORDERED_F64:
return 0x7;
case SLJIT_NOT_OVERFLOW:
+ if (!(compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD_SUB))
+ return 0x1;
+
case SLJIT_ORDERED_F64:
return 0x6;
@@ -1685,7 +1694,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compile
if (type < SLJIT_JUMP) {
jump->flags |= IS_COND;
- PTR_FAIL_IF(push_inst(compiler, B_CC | (6 << 5) | get_cc(type)));
+ PTR_FAIL_IF(push_inst(compiler, B_CC | (6 << 5) | get_cc(compiler, type)));
}
else if (type >= SLJIT_FAST_CALL)
jump->flags |= IS_BL;
@@ -1799,7 +1808,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co
CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
ADJUST_LOCAL_OFFSET(dst, dstw);
- cc = get_cc(type & 0xff);
+ cc = get_cc(compiler, type & 0xff);
dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1;
if (GET_OPCODE(op) < SLJIT_ADD) {
@@ -1854,7 +1863,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compil
srcw = 0;
}
- cc = get_cc(type & 0xff);
+ cc = get_cc(compiler, type & 0xff);
dst_reg &= ~SLJIT_I32_OP;
return push_inst(compiler, (CSEL ^ inv_bits) | (cc << 12) | RD(dst_reg) | RN(dst_reg) | RM(src));