diff options
| author | Wilco Dijkstra <wdijkstr@arm.com> | 2020-08-28 17:51:40 +0100 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2020-10-14 17:29:12 +0100 |
| commit | b915da29dab5d8c6b9cdb1ee6fdc1e0ec6ef39e1 (patch) | |
| tree | 5f060261fc04bcfe189333dfbc315c78285d005e /sysdeps/unix/sysv/linux/generic/chmod.c | |
| parent | 4bd28df0b0598c380f4ae63b96eaadc782c9d709 (diff) | |
| download | glibc-b915da29dab5d8c6b9cdb1ee6fdc1e0ec6ef39e1.tar glibc-b915da29dab5d8c6b9cdb1ee6fdc1e0ec6ef39e1.tar.gz glibc-b915da29dab5d8c6b9cdb1ee6fdc1e0ec6ef39e1.tar.bz2 glibc-b915da29dab5d8c6b9cdb1ee6fdc1e0ec6ef39e1.zip | |
AArch64: Improve backwards memmove performance
On some microarchitectures performance of the backwards memmove improves if
the stores use STR with decreasing addresses. So change the memmove loop
in memcpy_advsimd.S to use 2x STR rather than STP.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit bd394d131c10c9ec22c6424197b79410042eed99)
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/chmod.c')
0 files changed, 0 insertions, 0 deletions