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target-i386: Fix CC_OP_CLR vs PF

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Parity should be set for a zero result.

Cc: qemu-stable@nongnu.org
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-01-10 12:38:40 -08:00
parent d844a7b656
commit d2fe51bda8
2 changed files with 2 additions and 2 deletions
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2
target-i386/cc_helper.c
View file

@ -103,7 +103,7 @@ target_ulong helper_cc_compute_all(target_ulong dst, target_ulong src1,
case CC_OP_EFLAGS:
return src1;
case CC_OP_CLR:
return CC_Z;
return CC_Z | CC_P;
case CC_OP_MULB:
return compute_all_mulb(dst, src1);

2
target-i386/translate.c
View file

@ -748,7 +748,7 @@ static void gen_compute_eflags(DisasContext *s)
return;
}
if (s->cc_op == CC_OP_CLR) {
tcg_gen_movi_tl(cpu_cc_src, CC_Z);
tcg_gen_movi_tl(cpu_cc_src, CC_Z | CC_P);
set_cc_op(s, CC_OP_EFLAGS);
return;
}