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Re: [PATCH] x86: VZEROALL/VZEROUPPER are WIG
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Jan Beulich <JBeulich at suse dot com>
- Cc: Binutils <binutils at sourceware dot org>
- Date: Wed, 12 Sep 2018 14:03:09 -0700
- Subject: Re: [PATCH] x86: VZEROALL/VZEROUPPER are WIG
- References: <5B8F9D8402000078001E5687@prv1-mh.provo.novell.com>
On Wed, Sep 5, 2018 at 2:10 AM, Jan Beulich <JBeulich@suse.com> wrote:
> opcodes/
> 2018-09-05 Jan Beulich <jbeulich@suse.com>
>
> * i386-dis.c (VEX_W_0F77_P_0): Delete.
> * (prefix_table): Use VZERO here.
> * (vex_w_table): Delete VEX_W_0F77_P_0 entry.
> ---
> Note regarding the lack of a testcase addition: I would have added
> something if there was a pre-existing testcase checking VEX-encoded WIG
> insns, but something like this exists for EVEX encoded ones only
> (including a command line option to control the choice).
>
>
I am adding the -mvexwig= option. Let's wait until it is in.
--
H.J.