; Cc: Jakub Jelinek ; gcc-patches@gcc.gnu.org; Uros Bizjak
>> ; Kirill Yukhin ; Lu, Hongjiu
>>
>> Subject: Re: [PATCH][i386] PR82941/PR82942 - Adding vzeroupper generation
>> for SKX
>>
>> On Tue, Nov 14, 2017 at 3:18 AM, Peryt, Sebastian
>> wrote:
>
On Tue, Nov 14, 2017 at 6:20 AM, Jakub Jelinek wrote:
> On Tue, Nov 14, 2017 at 06:14:10AM -0800, H.J. Lu wrote:
>> Just a thought, should we have a separate patch to add -mprefer-vzeroupper
>> to cover all bases in the future, like
>>
>> /* opt_pass methods: */
>> virtual bool gate (function
; PR target/82941
> > PR target/82942
> > * gcc.target/i386/pr82941-1.c: New test.
> > * gcc.target/i386/pr82941-2.c: New test.
> > * gcc.target/i386/pr82942-1.c: New test.
> > * gcc.target/i386/pr82942-2.c: New test.
> >
&
On Tue, Nov 14, 2017 at 06:14:10AM -0800, H.J. Lu wrote:
> Just a thought, should we have a separate patch to add -mprefer-vzeroupper
> to cover all bases in the future, like
>
> /* opt_pass methods: */
> virtual bool gate (function *)
> {
> return TARGET_AVX && (!TARGET_AVX512ER ||
t; PR target/82941
>> PR target/82942
>> * gcc.target/i386/pr82941-1.c: New test.
>> * gcc.target/i386/pr82941-2.c: New test.
>> * gcc.target/i386/pr82942-1.c: New test.
>> * gcc.target/i386/pr82942-2.c: New test.
>>
>&
gcc.target/i386/pr82941-2.c: New test.
> * gcc.target/i386/pr82942-1.c: New test.
> * gcc.target/i386/pr82942-2.c: New test.
>
>
> Thanks,
> Sebastian
>
>> -Original Message-
>> From: Jakub Jelinek [mailto:ja...@redhat.com]
>> Sent: Tuesday, N
stian
> -Original Message-
> From: Jakub Jelinek [mailto:ja...@redhat.com]
> Sent: Tuesday, November 14, 2017 10:51 AM
> To: Peryt, Sebastian
> Cc: gcc-patches@gcc.gnu.org; Uros Bizjak ; Kirill Yukhin
> ; Lu, Hongjiu
> Subject: Re: [PATCH][i386] PR82941/PR82942 - Adding vzeroupper ge
On Tue, Nov 14, 2017 at 09:45:12AM +, Peryt, Sebastian wrote:
> Hi,
>
> This patch fixes PR82941 and PR82942 by adding vzeroupper generation on SKX.
> Bootstrapped and tested.
>
> 14.11.2017 Sebastian Peryt
>
> gcc/
In that case the ChangeLog entry should list the PRs, i.e.
PR ta
Hi,
This patch fixes PR82941 and PR82942 by adding vzeroupper generation on SKX.
Bootstrapped and tested.
14.11.2017 Sebastian Peryt
gcc/
* config/i386/i386.c (pass_insert_vzeroupper): Modify gate condition
to return true on Xeon and not on Xeon Phi.
(ix86_check_avx256
