From a2dd3360dbbd183b289d356b0ebb3bafc921bb83 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 26 May 2007 21:47:28 +0000 Subject: * sysdeps/unix/sysv/linux/x86_64/sem_trywait.S (sem_trywait): Tiny optimization. --- nptl/ChangeLog | 3 +++ nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 0cd8193452..2ac2c44078 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,5 +1,8 @@ 2007-05-26 Ulrich Drepper + * 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. diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S index 6b77dfc0d8..643090f065 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S @@ -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 , 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 -- cgit v1.2.3