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author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-03-14 17:40:46 -0400 |
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committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-04-07 15:51:28 -0500 |
commit | 25dba0ad054723196fb633ba5d8a463ef5cb775c (patch) | |
tree | 03f9259662b03ea65b00bc6721afba2d47104bef /sysdeps/powerpc/powerpc64/multiarch/Makefile | |
parent | 1d2a8245ff7bcc1d8be54f01e26c49297e446aba (diff) | |
download | glibc-25dba0ad054723196fb633ba5d8a463ef5cb775c.tar.gz glibc-25dba0ad054723196fb633ba5d8a463ef5cb775c.tar.xz glibc-25dba0ad054723196fb633ba5d8a463ef5cb775c.zip |
powerpc: Add optimized P8 strspn
This utilizes vectors and bitmasks. For small needle, large haystack, the performance improvement is upto 8x. For short strings (0-4B), the cost of computing the bitmask dominates, and is a tad slower.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch/Makefile')
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index 3b0e3a0117..7ed56bf292 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -19,7 +19,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ strcmp-power8 strcmp-power7 strcmp-ppc64 \ strcat-power8 strcat-power7 strcat-ppc64 \ memmove-power7 memmove-ppc64 wordcopy-ppc64 bcopy-ppc64 \ - strncpy-power8 strstr-power7 strstr-ppc64 + strncpy-power8 strstr-power7 strstr-ppc64 \ + strspn-power8 strspn-ppc64 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops |