S390: Optimize strchr and wcschr.
commitcf150d45a97c6bb8410d6d3acf6e1560e8fe96cc
authorStefan Liebler <stli@linux.vnet.ibm.com>
Wed, 26 Aug 2015 08:26:23 +0000 (26 10:26 +0200)
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>
Wed, 26 Aug 2015 08:26:23 +0000 (26 10:26 +0200)
tree678f57e8e7da3268797cd6567617a27491e4d0fa
parentcee82e70ccb7b2f054cd781b0a603ae244523e72
S390: Optimize strchr and wcschr.

This patch provides optimized versions of strchr and wcschr with the z13
vector instructions.

ChangeLog:

* sysdeps/s390/multiarch/strchr-c.c: New File.
* sysdeps/s390/multiarch/strchr-vx.S: Likewise.
* sysdeps/s390/multiarch/strchr.c: Likewise.
* sysdeps/s390/multiarch/wcschr-c.c: Likewise.
* sysdeps/s390/multiarch/wcschr-vx.S: Likewise.
* sysdeps/s390/multiarch/wcschr.c: Likewise.
* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchr and
wcschr functions.
* sysdeps/s390/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add ifunc test for strchr, wcschr.
* string/strchr.c (STRCHR): Define and use macro.
* benchtests/bench-wcschr.c: New File.
* benchtests/Makefile (wcsmbs-bench): Add wcschr.
12 files changed:
ChangeLog
benchtests/Makefile
benchtests/bench-wcschr.c [new file with mode: 0644]
string/strchr.c
sysdeps/s390/multiarch/Makefile
sysdeps/s390/multiarch/ifunc-impl-list.c
sysdeps/s390/multiarch/strchr-c.c [new file with mode: 0644]
sysdeps/s390/multiarch/strchr-vx.S [new file with mode: 0644]
sysdeps/s390/multiarch/strchr.c [new file with mode: 0644]
sysdeps/s390/multiarch/wcschr-c.c [new file with mode: 0644]
sysdeps/s390/multiarch/wcschr-vx.S [new file with mode: 0644]
sysdeps/s390/multiarch/wcschr.c [new file with mode: 0644]