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| author | Ulrich Drepper <drepper@redhat.com> | 2010-07-24 08:34:44 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-07-24 08:34:44 -0700 |
| commit | 8e96b93aa7855683d0be3c65ce81e66d0786ba84 (patch) | |
| tree | aa33ec3bf9e91c90cced716433054545109104f2 /ChangeLog | |
| parent | dbc676d4ffb074e20c6334296fc644718b485f55 (diff) | |
| download | glibc-8e96b93aa7855683d0be3c65ce81e66d0786ba84.tar.gz glibc-8e96b93aa7855683d0be3c65ce81e66d0786ba84.tar.xz glibc-8e96b93aa7855683d0be3c65ce81e66d0786ba84.zip | |
Speed up x86-64 strcasestr a bit moew.
Using the new SSE4.2 instructions is cool but not really the fastest. Some older SSE instructions can do the trick faster.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 46985e63e5..4a22a07972 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-07-24 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/multiarch/strstr.c (__m128i_strloadu_tolower): Use + lower-latency instructions. + 2010-07-23 Ulrich Drepper <drepper@redhat.com> * string/test-strcasestr.c: New file. |