On Thu, Jul 3, 2025 at 9:34 PM Andrew Pinski <quic_apin...@quicinc.com> wrote:
>
> These 2 testcases were originally designed for the default -march= of
> x86_64 so if you pass -march=native (on a target with AVX512 enabled),
> they will fail. It fix this, we add `-mno-sse3 -mprefer-vector-width=512`
Did you mean to use -mprefer-vector-width=128 here? 512 doesn't deally make
sense with -mno-sse3.
> to the options to force a specific arch to the testcase.
>
> Tested on a skylake-avx512 machine with -march=native.
>
> PR testsuite/120643
> gcc/testsuite/ChangeLog:
>
> * gcc.target/i386/vect-pragma-target-1.c: Add `-mno-sse3
> -mprefer-vector-width=512`
> to the options.
> * gcc.target/i386/vect-pragma-target-2.c: Likewise.
>
> Signed-off-by: Andrew Pinski <quic_apin...@quicinc.com>
> ---
> gcc/testsuite/gcc.target/i386/vect-pragma-target-1.c | 2 +-
> gcc/testsuite/gcc.target/i386/vect-pragma-target-2.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.target/i386/vect-pragma-target-1.c
> b/gcc/testsuite/gcc.target/i386/vect-pragma-target-1.c
> index f5e71e453ec..8f7d3d9b63d 100644
> --- a/gcc/testsuite/gcc.target/i386/vect-pragma-target-1.c
> +++ b/gcc/testsuite/gcc.target/i386/vect-pragma-target-1.c
> @@ -1,5 +1,5 @@
> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> -/* { dg-options "-O0" } */
> +/* { dg-options "-O0 -mno-sse3 -mprefer-vector-width=512" } */
> /* { dg-final { scan-assembler-times "paddd.+xmm\[0-9]+" 1 } } */
> /* { dg-final { scan-assembler-times "vfmadd132ps.+ymm\[0-9]+" 1 } } */
> /* { dg-final { scan-assembler-times "vpaddw.+zmm\[0-9]+" 1 } } */
> diff --git a/gcc/testsuite/gcc.target/i386/vect-pragma-target-2.c
> b/gcc/testsuite/gcc.target/i386/vect-pragma-target-2.c
> index 349680453a4..925d662b02b 100644
> --- a/gcc/testsuite/gcc.target/i386/vect-pragma-target-2.c
> +++ b/gcc/testsuite/gcc.target/i386/vect-pragma-target-2.c
> @@ -1,5 +1,5 @@
> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> -/* { dg-options "-O0" } */
> +/* { dg-options "-O0 -mno-sse3 -mprefer-vector-width=512" } */
> /* { dg-final { scan-assembler-times "paddd.+xmm\[0-9]+" 1 } } */
> /* { dg-final { scan-assembler-times "vfmadd132ps.+ymm\[0-9]+" 1 } } */
> /* { dg-final { scan-assembler-times "vpaddw.+zmm\[0-9]+" 1 } } */
> --
> 2.43.0
>
