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authorAnton Blanchard via Libc-alpha <libc-alpha@sourceware.org>2020-05-14 09:08:35 +1000
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2020-05-18 08:26:22 -0500
commitaa70d0563256b8ea053203177f756bca33b5cf37 (patch)
tree152631b5f088b02e3a42f3e1f7defe63cefe33dd /sysdeps/powerpc/powerpc64/le/Implies
parent39037048502d52ab6422c18f2d178d6228d2c7b9 (diff)
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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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