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| author | Xuelei Zhang <zhangxuelei4@huawei.com> | 2019-12-19 13:08:11 +0000 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2019-12-19 16:31:04 -0300 |
| commit | 0237b61526e716fa9597f521643908a4fda3b46a (patch) | |
| tree | bac85f002ba42d2039bbb7a7af5ac7ba3c985f3a /sysdeps/aarch64/strnlen.S | |
| parent | 233efd433d847e69480fe587c4c29a32fe554174 (diff) | |
| download | glibc-0237b61526e716fa9597f521643908a4fda3b46a.tar.gz glibc-0237b61526e716fa9597f521643908a4fda3b46a.tar.xz glibc-0237b61526e716fa9597f521643908a4fda3b46a.zip | |
aarch64: Optimized implementation of strcpy
Optimize the strcpy implementation by using vector loads and operations in main loop.Compared to aarch64/strcpy.S, it reduces latency of cases in bench-strlen by 5%~18% when the length of src is greater than 64 bytes, with gains throughout the benchmark. Checked on aarch64-linux-gnu. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Diffstat (limited to 'sysdeps/aarch64/strnlen.S')
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