[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] i386 ROR r8/r16 instruction fix
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH] i386 ROR r8/r16 instruction fix |
Date: |
Mon, 15 Apr 2013 17:42:12 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Apr 15, 2013 at 10:59:15AM +0400, Pavel Dovgaluk wrote:
> Fixed EFLAGS corruption by ROR r8/r16 instruction located at the end of the
> TB.
>
> Signed-off-by: Pavel Dovgalyuk <address@hidden>
> ---
> target-i386/translate.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/target-i386/translate.c b/target-i386/translate.c
> index 233f24f..40f891d 100644
> --- a/target-i386/translate.c
> +++ b/target-i386/translate.c
> @@ -1775,6 +1775,7 @@ static void gen_rot_rm_T1(DisasContext *s, int ot, int
> op1, int is_right)
> if (is_right) {
> tcg_gen_shri_tl(cpu_cc_src2, cpu_T[0], mask - 1);
> tcg_gen_shri_tl(cpu_cc_dst, cpu_T[0], mask);
> + tcg_gen_andi_tl(cpu_cc_dst, cpu_cc_dst, 1);
> } else {
> tcg_gen_shri_tl(cpu_cc_src2, cpu_T[0], mask);
> tcg_gen_andi_tl(cpu_cc_dst, cpu_T[0], 1);
This looks correct to me, though I haven't tested.
Reviewed-by: Aurelien Jarno <address@hidden>
The corresponding code seems to have been changed in commit
34d80a55ff8517fd37bcfea5063b9797e2bd9132. I therefore added
Richard in Cc: for him to comment.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net