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Subject: [Bug target/99704] volatile is needed on asm statements in <cpuid.h>
Date: Tue, 23 Mar 2021 12:26:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99704

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:9c89c9e9c6b59260c7745c8714b69f94784a9c13

commit r11-7786-g9c89c9e9c6b59260c7745c8714b69f94784a9c13
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sun Mar 21 19:47:24 2021 -0700

    x86: Add __volatile__ to __cpuid and __cpuid_count

    Since CPUID instruction may return different values on hybrid core.
    volatile is needed on asm statements in <cpuid.h>.

            PR target/99704
            * config/i386/cpuid.h (__cpuid): Add __volatile__.
            (__cpuid_count): Likewise.=