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Re: [Qemu-devel] [PATCH] target-i386: fix handling of ZF in btx instruct
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH] target-i386: fix handling of ZF in btx instructions |
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Date: |
Mon, 12 May 2014 14:24:38 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 05/07/2014 02:03 AM, Peter Maydell wrote:
> On 6 May 2014 14:33, Dmitry Poletaev <address@hidden> wrote:
>> Eflags for bt/bts/btr/btc instructions compute as for shift(SAR)
>> instructions. According to Intel A2 manual, for btx instructions zf is
>> unaffected under any condition, but for SAR group, when evaluate eflags, we
>> compute zf.
>
> Isn't this the same bug that's fixed by Richard Henderson's
> patch from last month?
>
> http://patchwork.ozlabs.org/patch/337929/
Yes, thanks for the reminder. Sending pull now.
r~