[Bug string/22644] memmove-sse2-unaligned on 32bit x86 produces garbage when crossing 2GB threshold

cvs-commit at gcc dot gnu.org sourceware-bugzilla@sourceware.org
Wed Mar 28 20:30:00 GMT 2018


https://sourceware.org/bugzilla/show_bug.cgi?id=22644

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=55ad82e45c313454de657931898e974a7a036cad

commit 55ad82e45c313454de657931898e974a7a036cad
Author: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date:   Fri Mar 23 16:19:45 2018 +0100

    Fix i386 memmove issue (bug 22644).

        [BZ #22644]
        * sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S: Fixed
        branch conditions.
        * string/test-memmove.c (do_test2): New testcase.

    (cherry picked from commit cd66c0e584c6d692bc8347b5e72723d02b8a8ada)

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

Summary of changes:
 ChangeLog                                          |    8 +++
 string/test-memmove.c                              |   58 ++++++++++++++++++++
 .../i386/i686/multiarch/memcpy-sse2-unaligned.S    |   12 ++--
 3 files changed, 72 insertions(+), 6 deletions(-)

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