On Fri, Jun 9, 2023 at 11:58 AM Lehua Ding <lehua.d...@rivai.ai> wrote:
>
> > It's odd that the checksum doesn't depend on the number of iterations done
> > ...
>
> This is because the difference between the calculated result (32063.902344)
> and
> the expected result (32000.000000) is small. The current check is that the
> result
> is considered correct as long as the `value/expected` ratio is between 0.99f
> and
> 1.01f.
Oh, I see ...
> I'm not sure if this check is enough, but I should also update the expected
> result to 32063.902344 (the same without vectorized).
OK.
> Best,
> Lehua
>
> gcc/testsuite/ChangeLog:
>
> * gcc.dg/vect/tsvc/tsvc.h:
> * gcc.dg/vect/tsvc/vect-tsvc-s176.c:
>
> ---
> gcc/testsuite/gcc.dg/vect/tsvc/tsvc.h | 2 +-
> gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s176.c | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/gcc/testsuite/gcc.dg/vect/tsvc/tsvc.h
> b/gcc/testsuite/gcc.dg/vect/tsvc/tsvc.h
> index cd39c041903d..d910c384fc83 100644
> --- a/gcc/testsuite/gcc.dg/vect/tsvc/tsvc.h
> +++ b/gcc/testsuite/gcc.dg/vect/tsvc/tsvc.h
> @@ -1164,7 +1164,7 @@ real_t get_expected_result(const char * name)
> } else if (!strcmp(name, "s175")) {
> return 32009.023438f;
> } else if (!strcmp(name, "s176")) {
> - return 32000.f;
> + return 32063.902344f;
> } else if (!strcmp(name, "s211")) {
> return 63983.308594f;
> } else if (!strcmp(name, "s212")) {
> diff --git a/gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s176.c
> b/gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s176.c
> index 79faf7fdb9e4..365e5205982b 100644
> --- a/gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s176.c
> +++ b/gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s176.c
> @@ -14,7 +14,7 @@ real_t s176(struct args_t * func_args)
> initialise_arrays(__func__);
>
> int m = LEN_1D/2;
> - for (int nl = 0; nl < 4*(iterations/LEN_1D); nl++) {
> + for (int nl = 0; nl < 4*(10*iterations/LEN_1D); nl++) {
> for (int j = 0; j < (LEN_1D/2); j++) {
> for (int i = 0; i < m; i++) {
> a[i] += b[i+m-j-1] * c[j];
> @@ -39,4 +39,4 @@ int main (int argc, char **argv)
> return 0;
> }
>
> -/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail *-*-* } }
> } */
> +/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */
> --
> 2.36.1
>
