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Re: [PATCH] Compile AVX libm functions with -mavx
On Tue, Oct 2, 2012 at 12:31 PM, Mike Frysinger <vapier@gentoo.org> wrote:
> On Tuesday 02 October 2012 15:20:54 H.J. Lu wrote:
>> On Tue, Oct 2, 2012 at 12:02 PM, Mike Frysinger <vapier@gentoo.org> wrote:
>> > On Tuesday 02 October 2012 09:53:25 H.J. Lu wrote:
>> >> This patch compiles AVX libm functions with -mavx. It reduces text size
>> >
>> >> of libm.so by about 1%:
>> > looks like you're reverting 56f6f6a2403cfa7267cad722597113be35ecf70d.
>> > shouldn't you revert all of it and not just change the CFLAGS back ?
>>
>> Doesn't this patch:
>>
>> http://sourceware.org/ml/libc-alpha/2012-10/msg00055.html
>>
>> do that?
>
> yes, i missed the follow up
>
>> > it'd be useful to know *why* Ulrich moved away from -mavx, but
>> > unfortunately his commit message is useless.
>>
>> I can only guess:
>
> might be useful to put some notes (like referring to the older commit) into
> the commit message when you do commit things
> -mike
How about this:
http://sourceware.org/git/?p=glibc.git;a=commit;h=eb154fc6b4503e9ae44752a6d0a716cfea30822d
Thanks.
--
H.J.