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Re: [PATCH] x86: don't emit REX.W for SLDT and STR
- 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, 30 May 2018 05:21:00 -0700
- Subject: Re: [PATCH] x86: don't emit REX.W for SLDT and STR
- References: <5B0E568102000078001C6D9B@prv1-mh.provo.novell.com>
On Wed, May 30, 2018 at 12:45 AM, Jan Beulich <JBeulich@suse.com> wrote:
> Just like for other selector register reads, they're unnecessary and
> should hence be avoided.
>
> gas/
> 2018-05-30 Jan Beulich <jbeulich@suse.com>
>
> * testsuite/gas/i386/ilp32/x86-64-opcode.d,
> testsuite/gas/i386/x86-64-opcode.d: Adjust expectations.
>
> opcodes/
> 2018-05-30 Jan Beulich <jbeulich@suse.com>
>
> * i386-opc.tbl (sldt, str): Add NoRex64.
> * i386-tbl.h: Re-generate.
>
OK.
Thanks.
--
H.J.