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Date: Mon, 13 Jan 2014 17:59:34 +1000
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Message-ID: <20140113075933.GB18408@edvb>
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Subject: Re: [Qemu-devel] [PATCH] target-i386: Fix CC_OP_CLR vs PF
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To: Richard Henderson <rth@twiddle.net>
Cc: 1267955@bugs.launchpad.net, qemu-devel@nongnu.org, qemu-stable@nongnu.org

On Fri, Jan 10, 2014 at 12:39:56PM -0800, Richard Henderson wrote:
> Parity should be set for a zero result.
> 
> Signed-off-by: Richard Henderson <rth@twiddle.net>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  target-i386/cc_helper.c | 2 +-
>  target-i386/translate.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/target-i386/cc_helper.c b/target-i386/cc_helper.c
> index ee04092..05dd12b 100644
> --- a/target-i386/cc_helper.c
> +++ b/target-i386/cc_helper.c
> @@ -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);
> diff --git a/target-i386/translate.c b/target-i386/translate.c
> index b0f2279..34f35e7 100644
> --- a/target-i386/translate.c
> +++ b/target-i386/translate.c
> @@ -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;
>      }
> -- 
> 1.8.4.2
> 
>