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* [gcc(refs/vendors/redhat/heads/gcc-8-branch)] testsuite/97688 - fix check_vect () with __AVX2__
@ 2021-04-23 10:18 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2021-04-23 10:18 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:c4311494fb0df051b305fc250a0ea529996c6122
commit c4311494fb0df051b305fc250a0ea529996c6122
Author: Richard Biener <rguenther@suse.de>
Date: Tue Nov 3 10:24:02 2020 +0100
testsuite/97688 - fix check_vect () with __AVX2__
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.
2020-11-03 Richard Biener <rguenther@suse.de>
PR testsuite/97688
* gcc.dg/vect/tree-vect.h (check_vect): Fix the x86 cpuid
check to always specify subleaf zero.
(cherry picked from commit 8414529156e0bca37647c440c71beeca1d04ac86)
Diff:
---
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 69c93ac8092..eb890745a00 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);
}
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