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Re: [Qemu-devel] [PATCH] target-i386: fix handling of ZF in btx instruct
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH] target-i386: fix handling of ZF in btx instructions |
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Date: |
Wed, 7 May 2014 10:03:00 +0100 |
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/
thanks
-- PMM