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Subject: [Bug testsuite/97688] check_vect doesn't detect AVX2 on zen
Date: Tue, 03 Nov 2020 10:14:12 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97688

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:8414529156e0bca37647c440c71beeca1d04ac86

commit r11-4647-g8414529156e0bca37647c440c71beeca1d04ac86
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.=