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From: Michael Roth <mdroth@linux.vnet.ibm.com>
In-Reply-To: <1389386396-22367-1-git-send-email-rth@twiddle.net>
References: <1389386396-22367-1-git-send-email-rth@twiddle.net>
Message-ID: <20140221055957.20750.95141@loki>
Date: Thu, 20 Feb 2014 23:59:57 -0600
Subject: Re: [Qemu-devel] [PATCH] target-i386: Fix CC_OP_CLR vs PF
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To: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org
Cc: qemu-stable@nongnu.org, 1267955@bugs.launchpad.net

Quoting Richard Henderson (2014-01-10 14:39:56)
> Parity should be set for a zero result.
> =

> Signed-off-by: Richard Henderson <rth@twiddle.net>

ping for 1.7.1

> ---
>  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 =3D=3D 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