When -march=cascadelake is added we get 256bit vectorization by
default but there's no OMP SIMD ABI for this case with inbranch.
So add -mprefer-vector-width=512 to the testcase.
Tested on x86_64-unknown-linux-gnu, pushed.
PR tree-optimization/122776
* gcc.dg/vect/vect-simd-clone-24.c: Add -mprefer-vector-width=512.
---
gcc/testsuite/gcc.dg/vect/vect-simd-clone-24.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-simd-clone-24.c
b/gcc/testsuite/gcc.dg/vect/vect-simd-clone-24.c
index 35459d5d5b9..5281dfa0a02 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-simd-clone-24.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-simd-clone-24.c
@@ -2,7 +2,7 @@
/* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
/* { dg-require-effective-target vect_simd_clones } */
/* { dg-additional-options "-fopenmp-simd --param vect-partial-vector-usage=1
-fdump-tree-dce6 -w" } */
-/* { dg-additional-options "-mavx512f" { target avx512f } } */
+/* { dg-additional-options "-mavx512f -mprefer-vector-width=512" { target
avx512f } } */
#pragma omp declare simd simdlen(16)
int __attribute__((const)) baz (int x);
--
2.51.0
