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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-05-21 16:54:46 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-05-21 16:54:59 -0700 |
| commit | e28e9b1ec40d5b545d980b0a36cbe41f3d1dbf6a (patch) | |
| tree | 7fe0767441c477a36fe4d7aeb2caf17e7c45c18a /locale | |
| parent | 1af30adcd59fae929371d3a56b239861b1088a6e (diff) | |
| download | glibc-e28e9b1ec40d5b545d980b0a36cbe41f3d1dbf6a.tar.gz glibc-e28e9b1ec40d5b545d980b0a36cbe41f3d1dbf6a.tar.xz glibc-e28e9b1ec40d5b545d980b0a36cbe41f3d1dbf6a.zip | |
x86-64: Check Prefer_FSRM in ifunc-memmove.h
Although the REP MOVSB implementations of memmove, memcpy and mempcpy aren't used by the current processors, this patch adds Prefer_FSRM check in ifunc-memmove.h so that they can be used in the future. * sysdeps/x86/cpu-features.h (bit_arch_Prefer_FSRM): New. (index_arch_Prefer_FSRM): Likewise. * sysdeps/x86/cpu-tunables.c (TUNABLE_CALLBACK (set_hwcaps)): Also check Prefer_FSRM. * sysdeps/x86_64/multiarch/ifunc-memmove.h (IFUNC_SELECTOR): Also return OPTIMIZE (erms) for Prefer_FSRM.
Diffstat (limited to 'locale')
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