From 6fa38ed219587723fcab9b878f42269489d51705 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Sat, 6 Oct 2012 00:18:55 +0200 Subject: [PATCH] target-i386: clean up sahf Discard CC_DST and set s->cc_op immediately after computing EFLAGS. Signed-off-by: Paolo Bonzini Signed-off-by: Richard Henderson --- 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 80483c0ffd..64564e0712 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)) -- GitLab