This fixes the cpuid check to always specify a subleaf zero
which is required to detect AVX2 and doesn't hurt for level one.
Without this fix we get zero runtime coverage when -mavx2 is
specified.
Tested on x86_64-unknown-linux-gnu.
2020-11-03 Richard Biener <rguent...@suse.de>
PR testsuite/97688
* gcc.dg/vect/tree-vect.h (check_vect): Fix the x86 cpuid
check to always specify subleaf zero.
---
gcc/testsuite/gcc.dg/vect/tree-vect.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/testsuite/gcc.dg/vect/tree-vect.h
b/gcc/testsuite/gcc.dg/vect/tree-vect.h
index 5d8d9eba3f8..c4b81441216 100644
--- a/gcc/testsuite/gcc.dg/vect/tree-vect.h
+++ b/gcc/testsuite/gcc.dg/vect/tree-vect.h
@@ -52,7 +52,7 @@ check_vect (void)
want_level = 1, want_d = bit_SSE2;
# endif
- if (!__get_cpuid (want_level, &a, &b, &c, &d)
+ if (!__get_cpuid_count (want_level, 0, &a, &b, &c, &d)
|| ((b & want_b) | (c & want_c) | (d & want_d)) == 0)
exit (0);
}
--
2.26.2
