> > On the other hand, a new EVEX-capable level might bring earlier adoption
> > of EVEX capabilities to AMD CPUs, which still should be an improvement
> > over AVX2. This could benefit AMD as well. So I would really like to
> > see some AMD feedback here.
> >
> > There's also the matter that tim
On Tue, Dec 12, 2023 at 10:05 AM Florian Weimer wrote:
>
> * Richard Biener:
>
> > If it were possible I'd axe x86_64-v4. Maybe we should add a x86_64-v3.5
> > that sits inbetween v3 and v4, offering AVX512 but restricted to 256bit
> > (and obviously not requiring more of the AVX512 features that
* Richard Biener:
> If it were possible I'd axe x86_64-v4. Maybe we should add a x86_64-v3.5
> that sits inbetween v3 and v4, offering AVX512 but restricted to 256bit
> (and obviously not requiring more of the AVX512 features that v4
> requires).
As far as I understand it, GCC's Intel tuning for
> > > > I wonder whether adoption could be made easier by also providing a
> > > > -mavx10[.0] level that removes some of the more obscure sub-ISA
> > > > requirements to cover more existing implementations (I'd not add
> > > > -mavx10.0-512 here).
> > > > I'd require only skylake-AVX512 features
On Mon, Nov 13, 2023 at 7:25 PM Richard Biener
wrote:
>
> On Mon, Nov 13, 2023 at 7:58 AM Hongtao Liu wrote:
> >
> > On Fri, Nov 10, 2023 at 6:15 PM Richard Biener
> > wrote:
> > >
> > > On Fri, Nov 10, 2023 at 2:42 AM Haochen Jiang
> > > wrote:
> > > >
> > > > Hi all,
> > > >
> > > > This RFC
On Mon, Nov 13, 2023 at 7:58 AM Hongtao Liu wrote:
>
> On Fri, Nov 10, 2023 at 6:15 PM Richard Biener
> wrote:
> >
> > On Fri, Nov 10, 2023 at 2:42 AM Haochen Jiang
> > wrote:
> > >
> > > Hi all,
> > >
> > > This RFC patch aims to add AVX10.1 options. After we added -m[no-]evex512
> > > support
On Fri, Nov 10, 2023 at 6:15 PM Richard Biener
wrote:
>
> On Fri, Nov 10, 2023 at 2:42 AM Haochen Jiang wrote:
> >
> > Hi all,
> >
> > This RFC patch aims to add AVX10.1 options. After we added -m[no-]evex512
> > support, it makes a lot easier to add them comparing to the August version.
> > Deta
On Fri, Nov 10, 2023 at 2:42 AM Haochen Jiang wrote:
>
> Hi all,
>
> This RFC patch aims to add AVX10.1 options. After we added -m[no-]evex512
> support, it makes a lot easier to add them comparing to the August version.
> Detail for AVX10 is shown below:
>
> Intel Advanced Vector Extensions 10 (I
Hi all,
This RFC patch aims to add AVX10.1 options. After we added -m[no-]evex512
support, it makes a lot easier to add them comparing to the August version.
Detail for AVX10 is shown below:
Intel Advanced Vector Extensions 10 (Intel AVX10) Architecture Specification
It describes the Intel Advan