This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] i386: Add AVX512 unaligned intrinsics


On Wed, Jul 10, 2019 at 9:11 PM Sunil Pandey <skpgkp1@gmail.com> wrote:
>
> Thanks Uros. I incorporated suggested changes in attached patch.
>
> --Sunil Pandey
>
>     i386: Add AVX512 unaligned intrinsics
>
>     __m512i _mm512_loadu_epi32( void * sa);
>     __m512i _mm512_loadu_epi64( void * sa);
>     void _mm512_storeu_epi32(void * d, __m512i a);
>     void _mm256_storeu_epi32(void * d, __m256i a);
>     void _mm_storeu_epi32(void * d, __m128i a);
>     void _mm512_storeu_epi64(void * d, __m512i a);
>     void _mm256_storeu_epi64(void * d, __m256i a);
>     void _mm_storeu_epi64(void * d, __m128i a);
>
>     Tested on x86-64.
>
>     gcc/
>
>             PR target/90980
>             * config/i386/avx512fintrin.h (_mm512_loadu_epi32): New.
>             (_mm512_loadu_epi64): Likewise.
>             (_mm512_storeu_epi32): Likewise.
>             (_mm512_storeu_epi64): Likewise.
>             * config/i386/avx512vlintrin.h (_mm_storeu_epi32): New.
>             (_mm256_storeu_epi32): Likewise.
>             (_mm_storeu_epi64): Likewise.
>             (_mm256_storeu_epi64): Likewise.
>
>     gcc/testsuite/
>
>             PR target/90980
>             * gcc.target/i386/pr90980-1.c: New test.
>             * gcc.target/i386/pr90980-2.c: Likewise.
>             * gcc.target/i386/pr90980-3.c: Likewise.

Looks good, but please put new intrinsics nearby existing intrinsics,
so we will have e.g.:

_mm512_loadu_epi32
_mm512_mask_loadu_epi32
_mm512_maskz_loadu_epi32

and in similar way for other loads and stores.

Uros.

>
> On Tue, Jul 9, 2019 at 11:39 PM Uros Bizjak <ubizjak@gmail.com> wrote:
> >
> > On Tue, Jul 9, 2019 at 11:44 PM Sunil Pandey <skpgkp1@gmail.com> wrote:
> > >
> > > __m512i _mm512_loadu_epi32( void * sa);
> > > __m512i _mm512_loadu_epi64( void * sa);
> > > void _mm512_storeu_epi32(void * d, __m512i a);
> > > void _mm256_storeu_epi32(void * d, __m256i a);
> > > void _mm_storeu_epi32(void * d, __m128i a);
> > > void _mm512_storeu_epi64(void * d, __m512i a);
> > > void _mm256_storeu_epi64(void * d, __m256i a);
> > > void _mm_storeu_epi64(void * d, __m128i a);
> > >
> > > Tested on x86-64.
> > >
> > > OK for trunk?
> > >
> > > --Sunil Pandey
> > >
> > >
> > > gcc/
> > >
> > >         PR target/90980
> > >         * config/i386/avx512fintrin.h (__v16si_u): New data type
> > >         (__v8di_u): Likewise
> > >         (_mm512_loadu_epi32): New.
> > >         (_mm512_loadu_epi64): Likewise.
> > >         (_mm512_storeu_epi32): Likewise.
> > >         (_mm512_storeu_epi64): Likewise.
> > >         * config/i386/avx512vlintrin.h (_mm_storeu_epi32): New.
> > >         (_mm256_storeu_epi32): Likewise.
> > >         (_mm_storeu_epi64): Likewise.
> > >         (_mm256_storeu_epi64): Likewise.
> > >
> > > gcc/testsuite/
> > >
> > >         PR target/90980
> > >         * gcc.target/i386/avx512f-vmovdqu32-3.c: New test.
> > >         * gcc.target/i386/avx512f-vmovdqu64-3.c: Likewise.
> > >         * gcc.target/i386/pr90980-1.c: Likewise.
> > >         * gcc.target/i386/pr90980-2.c: Likewise.
> >
> > +/* Internal data types for implementing unaligned version of intrinsics.  */
> > +typedef int __v16si_u __attribute__ ((__vector_size__ (64),
> > +      __aligned__ (1)));
> > +typedef long long __v8di_u __attribute__ ((__vector_size__ (64),
> > +   __aligned__ (1)));
> >
> > You should define only one generic __m512i_u type, something like:
> >
> > typedef long long __m512i_u __attribute__ ((__vector_size__ (64),
> > __may_alias__, __aligned__ (1)));
> >
> > Please see avxintrin.h how __m256i_u is defined and used.
> >
> > Uros.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]