Shalnov, Sergey
> Cc: gcc-patches@gcc.gnu.org; kirill.yuk...@gmail.com; Senkevich, Andrew
> ; Ivchenko, Alexander
> ; Peryt, Sebastian
> Subject: Re: [PATCH, i386] Avoid 512-bit vector return constant for Intel
> AVX512 configuration
>
> On Thu, Sep 28, 2017 at 3:08 PM, Shal
, Sebastian
Subject: Re: [PATCH, i386] Avoid 512-bit vector return constant for Intel
AVX512 configuration
On Thu, Sep 28, 2017 at 3:08 PM, Shalnov, Sergey
wrote:
> Hi,
> GCC uses full 512-bit register to return the constant from the function.
> The patch avoid 512-bit register usage if "-
On Thu, Sep 28, 2017 at 3:08 PM, Shalnov, Sergey
wrote:
> Hi,
> GCC uses full 512-bit register to return the constant from the function.
> The patch avoid 512-bit register usage if "-mprefer-avx256" option used.
>
> 2017-09-28 Sergey Shalnov
>
> gcc/
> * config/i386/i386.md(*movsf_inter