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Re: [PATCH] Enable AVX2 optimized memset only if -mavx2 works
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Roland McGrath <roland at hack dot frob dot com>
- Cc: myllynen at redhat dot com, Ling Ma <ling dot ma dot program at gmail dot com>, GNU C Library <libc-alpha at sourceware dot org>, Ondrej Bilka <neleai at seznam dot cz>, Liubov Dmitrieva <liubov dot dmitrieva at gmail dot com>, Ling Ma <ling dot ml at alibaba-inc dot com>
- Date: Mon, 14 Jul 2014 07:56:15 -0700
- Subject: Re: [PATCH] Enable AVX2 optimized memset only if -mavx2 works
- Authentication-results: sourceware.org; auth=none
- References: <CAMe9rOq0SeKyFN0f_7AT_xMP2zyDD6gUQG3Jdv+NSTf5VO=0XQ at mail dot gmail dot com> <53B2DD8D dot 4030908 at redhat dot com> <CAMe9rOpxfyxoet24+pbihErfgnYDDZ=kCCjeUSXt_HVsKfwVhg at mail dot gmail dot com> <20140710182437 dot 8708F2C39CC at topped-with-meat dot com> <CAMe9rOqMndMuVjWyKWpu9DovLadL4CVVhikmR7sBqDc4MGz04A at mail dot gmail dot com> <20140710184258 dot 3AF512C39C1 at topped-with-meat dot com> <CAMe9rOr4X_FeeSTMoCGBn-Wdf2GsgcVBDA993rgG8ADj5Z5Tuw at mail dot gmail dot com>
On Thu, Jul 10, 2014 at 12:07 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Thu, Jul 10, 2014 at 11:42 AM, Roland McGrath <roland@hack.frob.com> wrote:
>>> This patch disables AVX2 optimization if AVX2 isn't supported. Otherwise,
>>> glibc fails to build:
>>>
>>> https://sourceware.org/ml/libc-alpha/2014-07/msg00007.html
>>
>> That message and the one you quoted in your previous posting just contain
>> the new code that was committed on June 19. So your posting did not seem
>> to include your actual change.
>
> This is the start of this email thread:
>
> https://sourceware.org/ml/libc-alpha/2014-07/msg00020.html
>
> which contains the patch. My reply was to
>
> https://sourceware.org/ml/libc-alpha/2014-07/msg00022.html
>
> which was the reply to my patch.
>
>
I am checking in my patch. Sorry for the confusion.
Thanks.
--
H.J.