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| author | H.J. Lu <hongjiu.lu@intel.com> | 2010-04-14 00:12:53 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-04-14 00:12:53 -0700 |
| commit | 404a6e32012cfef041709639e13d200ae0b2c0c6 (patch) | |
| tree | 4ffa43d5620d96bd7cc791ad037b92fa9afb218a /ChangeLog | |
| parent | bbbdd7780916358c65e8bc98c989126a7db2f43e (diff) | |
| download | glibc-404a6e32012cfef041709639e13d200ae0b2c0c6.tar.gz glibc-404a6e32012cfef041709639e13d200ae0b2c0c6.tar.xz glibc-404a6e32012cfef041709639e13d200ae0b2c0c6.zip | |
x86-64 SSE4 optimized memcmp
This is 64bit SSE4 optimized memcmp. It improves memcmp by upto 3X on Intel Core i7.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 44debe81a8..b3705f001a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2010-04-12 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add + memcmp-sse4. + * sysdeps/x86_64/multiarch/memcmp-sse4.S: New file. + * sysdeps/x86_64/multiarch/memcmp.S: New file. + * sysdeps/x86_64/multiarch/rtld-memcmp.c: New file. + 2010-04-13 Ulrich Drepper <drepper@redhat.com> * sysdeps/x86_64/multiarch/init-arch.h: Pretty printing. |