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| author | Ulrich Drepper <drepper@redhat.com> | 2009-06-04 10:54:29 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-06-04 10:54:29 -0700 |
| commit | 747785f2b3afbc8b900083988957bff11bb6b11f (patch) | |
| tree | c8f7955aa373196e2dc66df0c10715703cb5115d | |
| parent | 2f083d7511460b3beea2df165c3e43742f73f3c9 (diff) | |
| download | glibc-747785f2b3afbc8b900083988957bff11bb6b11f.tar.gz glibc-747785f2b3afbc8b900083988957bff11bb6b11f.tar.xz glibc-747785f2b3afbc8b900083988957bff11bb6b11f.zip | |
Tiny strlen for x86-64 optimization.
I didn't remove an instruction from a previous version in the final version.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/x86_64/strlen.S | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 72910ce610..cb094d1863 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2009-06-04 Ulrich Drepper <drepper@redhat.com> + + * sysdeps/x86_64/strlen.S: Remove useless instruction. + 2009-06-02 H.J. Lu <hongjiu.lu@intel.com> * elf/Makefile (distribute): Add ifuncmain1.c, ifuncmain1pic.c, diff --git a/sysdeps/x86_64/strlen.S b/sysdeps/x86_64/strlen.S index 86bb8a50a9..572f3c2e41 100644 --- a/sysdeps/x86_64/strlen.S +++ b/sysdeps/x86_64/strlen.S @@ -34,7 +34,6 @@ ENTRY(strlen) pcmpeqb %xmm1, %xmm0 shl %cl, %esi pmovmskb %xmm0, %edx - xorl %eax, %eax negq %r8 andl %esi, %edx jnz 1f |