[Bug libc/17259] sysdeps/x86_64/cacheinfo.c:intel_check_word may corrupt rbx

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=17259

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4acef1ffe2e1ba6c608f31c1954a8100d3eabb0

commit b4acef1ffe2e1ba6c608f31c1954a8100d3eabb0
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Aug 12 17:02:51 2014 -0700

    Replace cpuid asm statement with __cpuid_count

    The compiler doesn't know that the cpuid asm statement in intel_check_word
    will trash RBX.  We are lucky that it doesn't cause any problems since
    RBX is also used by compiler for other purposes so that RBX is saved and
    restored.  This patch replaces it with __cpuid_count.

        [BZ #17259]
        * sysdeps/x86_64/cacheinfo.c (intel_check_word): Replace cpuid
        asm statement with __cpuid_count.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                  |    6 ++++++
 NEWS                       |    3 ++-
 sysdeps/x86_64/cacheinfo.c |    4 +---
 3 files changed, 9 insertions(+), 4 deletions(-)

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