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| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-08-04 12:13:43 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-08-04 12:13:43 -0700 |
| commit | 02cea47161c00969afa985e641f4ac376f84d35f (patch) | |
| tree | cbc5677d2ccdea60e25e7dd6b6f19ca77e5cf3ca /sysdeps/i386/i686/multiarch/strstr-c.c | |
| parent | 421665c40ae002f74130eb4e0b19cb22d97860cf (diff) | |
| download | glibc-02cea47161c00969afa985e641f4ac376f84d35f.tar.gz glibc-02cea47161c00969afa985e641f4ac376f84d35f.tar.xz glibc-02cea47161c00969afa985e641f4ac376f84d35f.zip | |
Add x86 32-bit SSE4.2 string functions.
This patch adds 32bit SSE4.2 string functions. It uses -16L instead of 0xfffffffffffffff0L, which works for both 32bit and 64bit long. Tested on 32bit Core i7 and Core 2.
Diffstat (limited to 'sysdeps/i386/i686/multiarch/strstr-c.c')
| -rw-r--r-- | sysdeps/i386/i686/multiarch/strstr-c.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/strstr-c.c b/sysdeps/i386/i686/multiarch/strstr-c.c new file mode 100644 index 0000000000..7ef1157ce4 --- /dev/null +++ b/sysdeps/i386/i686/multiarch/strstr-c.c @@ -0,0 +1,12 @@ +#include "init-arch.h" + +#define STRSTR __strstr_ia32 +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) \ + __hidden_ver1 (__strstr_ia32, __GI_strstr, __strstr_ia32); + +#include "string/strstr.c" + +extern char *__strstr_sse42 (const char *, const char *); + +libc_ifunc (strstr, HAS_SSE4_2 ? __strstr_sse42 : __strstr_ia32); |