powerpc: st{r,p}cpy optimization for aligned strings

System Internals / glibc - Rajalakshmi Srinivasaraghavan [linux.vnet.ibm.com] - 15 December 2017 05:25 EST

This patch makes use of vectors for aligned inputs. Improvements upto 30% seen for larger aligned inputs.

1e36806fb8 powerpc: st{r,p}cpy optimization for aligned strings
ChangeLog | 5 +
sysdeps/powerpc/powerpc64/power8/strcpy.S | 149 +++++++++++++++++++++++++++++-
2 files changed, 151 insertions(+), 3 deletions(-)

Upstream: sourceware.org


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