https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96667
--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
Testcase need to be adjusted.
I'll rewrite testcase with cpp source file, then vector compare operator could
be used directly.
--- a/gcc/testsuite/gcc.target/i386/avx512bw-pr96246-1.c
+++ b/gcc/testsuite/g++.target/i386/avx512bw-pr96246-1.C
@@ -1,8 +1,8 @@
/* PR target/96246 */
/* { dg-do compile } */
-/* { dg-options "-O2 -ftree-vectorize -mavx512bw" } */
-/* { dg-final { scan-assembler-times "vpblendm\[bwdq\]\[\t ]" 4 } } */
-/* { dg-final { scan-assembler-times "vblendmp\[sd\]\[\t ]" 2 } } */
+/* { dg-options "-O2 -std=c++14 -mavx512bw" } */
+/* { dg-final { scan-assembler-times "vpblendm\[bwdq\]\[\t \]" 4 } } */
+/* { dg-final { scan-assembler-times "vblendmp\[sd\]\[\t \]" 2 } } */
typedef char v64qi __attribute__((vector_size (64)));
typedef short v32hi __attribute__((vector_size (64)));
@@ -16,10 +16,7 @@ typedef double v8df __attribute__((vector_size (64)));
__attribute__ ((noipa)) \
foo_##vtype (vtype a, vtype b, vtype c, vtype d) \
{ \
- vtype e; \
- for (int i = 0; i != num; i++) \
- e[i] = a[i] > b[i] ? c[i] : d[i]; \
- return e; \
+ return a > b ? c : d; \
}
COMPILE_TEST (v64qi, 64);
this would avoid impact of vectorizer.
