mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 22:40:05 +00:00
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S (sem_trywait): Tiny
optimization.
This commit is contained in:
parent
6df7ffad19
commit
a2dd3360db
@ -1,5 +1,8 @@
|
||||
2007-05-26 Ulrich Drepper <drepper@redhat.com>
|
||||
|
||||
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S (sem_trywait): Tiny
|
||||
optimization.
|
||||
|
||||
* sysdeps/unix/sysv/linux/sem_wait.c: Add missing break.
|
||||
* sysdeps/unix/sysv/linux/sem_timedwait.c: Removed left-over
|
||||
duplication of __sem_wait_cleanup.
|
||||
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
||||
|
||||
@ -37,7 +37,7 @@ sem_trywait:
|
||||
2: testl %eax, %eax
|
||||
jz 1f
|
||||
|
||||
leaq -1(%rax), %rdx
|
||||
leal -1(%rax), %edx
|
||||
LOCK
|
||||
cmpxchgl %edx, (%rdi)
|
||||
jne 2b
|
||||
|
Loading…
Reference in New Issue
Block a user