Re:[pushed] [PATCH v1] LoongArch: testsuite:Fix FAIL in lasx-xvstelm.c file.

[chenglulu <chenglulu@loongson.cn>]

Pushed to r14-6909.

在 2023/12/29 上午9:45, chenxiaolong 写道:
> After implementing the cost model on the LoongArch architecture, the GCC
> compiler code has this feature turned on by default, which causes the
> lasx-xvstelm.c file test to fail. Through analysis, this test case can
> generate vectorization instructions required for detection only after
> disabling the functionality of the cost model with the "-fno-vect-cost-model"
> compilation option.
>
> gcc/testsuite/ChangeLog:
>
> 	* gcc.target/loongarch/vector/lasx/lasx-xvstelm.c:Add compile
> 	option "-fno-vect-cost-model" to dg-options.
> ---
>   gcc/testsuite/gcc.target/loongarch/vector/lasx/lasx-xvstelm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/testsuite/gcc.target/loongarch/vector/lasx/lasx-xvstelm.c b/gcc/testsuite/gcc.target/loongarch/vector/lasx/lasx-xvstelm.c
> index 1a7b0e86f8b..4b846204a65 100644
> --- a/gcc/testsuite/gcc.target/loongarch/vector/lasx/lasx-xvstelm.c
> +++ b/gcc/testsuite/gcc.target/loongarch/vector/lasx/lasx-xvstelm.c
> @@ -1,5 +1,5 @@
>   /* { dg-do compile } */
> -/* { dg-options "-O3 -mlasx" } */
> +/* { dg-options "-O3 -mlasx -fno-vect-cost-model" } */
>   /* { dg-final { scan-assembler-times "xvstelm.w" 8} } */
>   
>   #define LEN 256