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Optimize x86-64 SSE4.2 strcmp. 

The file contained some code which was never used.  Don't compile it
in.
This commit is contained in:
Ulrich Drepper 2009-07-25 12:02:47 -07:00
parent da331e8e14
commit 29e92fa5cd
2 changed files with 10 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2009-07-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/multiarch/strcmp.S: Exclude unused code from being
compiled in.
2009-07-24 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/configure.in: Don't automatically include

5
sysdeps/x86_64/multiarch/strcmp.S
View File

@ -1457,6 +1457,9 @@ LABEL(use_sse4_2_ret):
sub %edx, %eax
ret
#if 0
/* This code was in the origial submission but isn't used.
--drepper */
.p2align 4
LABEL(aftertail):
pcmpeqb %xmm3, %xmm1
@ -1467,6 +1470,8 @@ LABEL(aftertail):
.p2align 4
LABEL(exit):
lea -16(%r9, %rcx), %rax /* locate the exact offset for rdi */
#endif
LABEL(less32bytes):
lea (%rdi, %rax), %rdi /* locate the exact address for first operand(rdi) */
lea (%rsi, %rcx), %rsi /* locate the exact address for second operand(rsi) */