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authorNoah Goldstein <goldstein.w.n@gmail.com>2022-02-15 08:18:15 -0600
committerH.J. Lu <hjl.tools@gmail.com>2022-02-18 18:20:39 -0800
commitfc133fcf491d2456f72ae888ae1aff9ffa384fdf (patch)
treed765b435f68ef0447e8e1dd8650f6883dce89a14 /sysdeps/m68k/tst-audit.h
parent775c05b28c1883c5860f582cca68abf9036d9ace (diff)
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x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #28896]
In the overflow fallback strncmp-avx2-rtm and wcsncmp-avx2-rtm would
call strcmp-avx2 and wcscmp-avx2 respectively. This would have
not checks around vzeroupper and would trigger spurious
aborts. This commit fixes that.

test-strcmp, test-strncmp, test-wcscmp, and test-wcsncmp all pass on
AVX2 machines with and without RTM.

Co-authored-by: H.J. Lu <hjl.tools@gmail.com>

(cherry picked from commit c6272098323153db373f2986c67786ea8c85f1cf)
Diffstat (limited to 'sysdeps/m68k/tst-audit.h')
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