[gcc r16-7857] Remove XFAIL for detecting dot-product pattern in vect-reduc-dot-s8b.c

[Richard Biener]

https://gcc.gnu.org/g:ff581670cc904c1becaa10bd4606a2b476c8a9e8

commit r16-7857-gff581670cc904c1becaa10bd4606a2b476c8a9e8
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Mar 3 09:18:36 2026 +0100

    Remove XFAIL for detecting dot-product pattern in vect-reduc-dot-s8b.c
    
    With the change to vect_reassociating_reduction_p this pattern will
    always match (application is still conditional on uarch availability),
    so remove the XFAIL.
    
            PR testsuite/122961
            * gcc.dg/vect/vect-reduc-dot-s8b.c: Remove XFAIL on
            dot-prod pattern detection.

Diff:
---
 gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
index b33bb4cc9070..1603851033b6 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
@@ -53,7 +53,7 @@ int main (void)
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times "vect_recog_dot_prod_pattern: detected(?:(?!Analysis failed).)*Analysis succeeded" 1 "vect" { xfail *-*-* } } } */
+/* { dg-final { scan-tree-dump-times "vect_recog_dot_prod_pattern: detected(?:(?!Analysis failed).)*Analysis succeeded" 1 "vect" } } */
 /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected(?:(?!Analysis failed).)*Analysis succeeded" 1 "vect" { target vect_widen_mult_qi_to_hi } } } */
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_qi_to_hi } } } */