Hi,
As PR94023 shows, the expected SLP requires misaligned vector access
support. This patch is to guard the check under the target condition
vect_hw_misalign to ensure that.
Verified it on ppc64-redhat-linux (Power7 BE).
Is it ok for trunk, and backport to GCC 9 after some burn-in time?
BR,
Kewen
--------
gcc/testsuite/ChangeLog
2020-03-04 Kewen Lin <li...@gcc.gnu.org>
PR testsuite/94023
* gcc.dg/vect/slp-perm-12.c: Expect loop vectorized messages only on
vect_hw_misalign targets.
diff --git a/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
b/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
index 4d4c534..113223a 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
@@ -49,4 +49,4 @@ int main()
return 0;
}
-/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" {
target vect_perm } } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" {
target { vect_perm && vect_hw_misalign } } } } */
