From patchwork Tue Feb 19 17:39:44 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [10/57] target-i386: clean up sahf From: Richard Henderson X-Patchwork-Id: 221883 Message-Id: <1361295631-21316-11-git-send-email-rth@twiddle.net> To: qemu-devel@nongnu.org Cc: blauwirbel@gmail.com, pbonzini@redhat.com, afaerber@suse.de, aurelien@aurel32.net Date: Tue, 19 Feb 2013 09:39:44 -0800 From: Paolo Bonzini 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 80483c0..64564e0 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))