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| author | Paolo Bonzini <pbonzini@redhat.com> | 2012-10-06 00:18:55 +0200 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2013-02-18 15:03:56 -0800 |
| commit | 6fa38ed219587723fcab9b878f42269489d51705 (patch) | |
| tree | a27b1e9a49b8d5cae1cfa46218d2a06ba41abf46 | |
| parent | f5847c912d62d60a9917ed1e88cd6d4548fd40f3 (diff) | |
| download | qemu-6fa38ed219587723fcab9b878f42269489d51705.zip qemu-6fa38ed219587723fcab9b878f42269489d51705.tar.gz qemu-6fa38ed219587723fcab9b878f42269489d51705.tar.bz2 | |
target-i386: clean up sahf
Discard CC_DST and set s->cc_op immediately after computing EFLAGS.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | target-i386/translate.c | 4 |
1 files changed, 3 insertions, 1 deletions
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)) |