From: Paolo Bonzini <pbonz...@redhat.com>
Discard CC_DST and set s->cc_op immediately after computing EFLAGS.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
target-i386/translate.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index abbe9ae..55eaba2 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -6502,10 +6502,12 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_compute_eflags(cpu_cc_src);
+ tcg_gen_discard_tl(cpu_cc_dst);
+ s->cc_op = CC_OP_EFLAGS;
+
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], CC_S | CC_Z | CC_A | CC_P | CC_C);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T[0]);
- s->cc_op = CC_OP_EFLAGS;
break;
case 0x9f: /* lahf */
if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
--
1.7.11.7
