On Mon, Feb 08, 2021 at 11:42:13AM +0100, Richard Biener via Gcc wrote:
> > I have a question as to the auto-vectorizer in GCC.
> >
> > When AVX512 instruction is available, the auto-vectorizer in gcc
> > sometimes generates calls to AVX2 functions instead of AVX512 functions.
> >
> >
> > $ cat vab
On Mon, Feb 8, 2021 at 4:26 AM Naoki Shibata via Gcc wrote:
>
>
> Hello,
>
> I have a question as to the auto-vectorizer in GCC.
>
> When AVX512 instruction is available, the auto-vectorizer in gcc
> sometimes generates calls to AVX2 functions instead of AVX512 functions.
>
>
> $ cat vabitest.c
>
Hello,
I have a question as to the auto-vectorizer in GCC.
When AVX512 instruction is available, the auto-vectorizer in gcc
sometimes generates calls to AVX2 functions instead of AVX512 functions.
$ cat vabitest.c
#include
#include
_Pragma ("omp declare simd simdlen(8) notinbranch")
__
