[PATCH] testsuite/104728 - constrain gcc.dg/vect/pr81196-2.c

[Richard Biener via Gcc-patches]

We need to be able to reverse a vector for negative strides.

Tested on x86_64-unknown-linux-gnu, pushed.

2022-03-01  Richard Biener  <rguent...@suse.de>

        PR testsuite/104728
        * gcc.dg/vect/pr81196-2.c: Require vect_perm.
---
 gcc/testsuite/gcc.dg/vect/pr81196-2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/vect/pr81196-2.c 
b/gcc/testsuite/gcc.dg/vect/pr81196-2.c
index 8d5ce6bad53..b5861c17b3d 100644
--- a/gcc/testsuite/gcc.dg/vect/pr81196-2.c
+++ b/gcc/testsuite/gcc.dg/vect/pr81196-2.c
@@ -1,5 +1,7 @@
 /* { dg-do compile } */
 /* { dg-require-effective-target vect_int } */
+/* For negative stride we need to reverse the aligned load.  */
+/* { dg-require-effective-target vect_perm } */
 
 void b (int *p)
 {
-- 
2.34.1