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author | Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> | 2020-05-14 09:08:35 +1000 |
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committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2020-05-18 08:26:22 -0500 |
commit | aa70d0563256b8ea053203177f756bca33b5cf37 (patch) | |
tree | 152631b5f088b02e3a42f3e1f7defe63cefe33dd /sysdeps/powerpc/powerpc64/le/Implies | |
parent | 39037048502d52ab6422c18f2d178d6228d2c7b9 (diff) | |
download | glibc-aa70d0563256b8ea053203177f756bca33b5cf37.tar.gz glibc-aa70d0563256b8ea053203177f756bca33b5cf37.tar.xz glibc-aa70d0563256b8ea053203177f756bca33b5cf37.zip |
powerpc: Optimized stpcpy for POWER9
Add stpcpy support to the POWER9 strcpy. This is up to 40% faster on small strings and up to 90% faster on long relatively unaligned strings, compared to the POWER8 version. A few examples: __stpcpy_power9 __stpcpy_power8 Length 20, alignments in bytes 4/ 4: 2.58246 4.8788 Length 1024, alignments in bytes 1/ 6: 24.8186 47.8528
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