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2003-02-02  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
	(__lll_lock_wait): Add branch predicition.
	* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
	(__lll_lock_wait): Likewise.
	(lll_unlock_wake_cb): Removed.
This commit is contained in:
Ulrich Drepper 2003-02-03 03:51:24 +00:00
parent 75dec09e4d
commit 2f42e8be4c
3 changed files with 11 additions and 29 deletions
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8
nptl/ChangeLog
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@ -1,3 +1,11 @@
2003-02-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
(__lll_lock_wait): Add branch predicition.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
(__lll_lock_wait): Likewise.
(lll_unlock_wake_cb): Removed.
2003-01-31 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Remove

28
nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S
View File

@ -55,7 +55,7 @@ __lll_lock_wait:
0:
#endif
xaddl %eax, (%ebx)
jne 1b
jne,pn 1b
movl $-1, (%ebx)
@ -66,32 +66,6 @@ __lll_lock_wait:
.size __lll_lock_wait,.-__lll_lock_wait
.type lll_unlock_wake_cb,@function
.align 16
lll_unlock_wake_cb:
pushl %esi
pushl %ebx
pushl %ecx
pushl %edx
movl 20(%esp), %ebx
#ifndef UP
cmpl $0, %gs:MULTIPLE_THREADS_OFFSET
je,pt 0f
lock
0:
#endif
incl (%ebx)
jng 1f
popl %edx
popl %ecx
popl %ebx
popl %esi
ret
.size lll_unlock_wake_cb,.-lll_unlock_wake_cb
.globl __lll_unlock_wake
.type __lll_unlock_wake,@function
.hidden __lll_unlock_wake

4
nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -55,7 +55,7 @@ __lll_lock_wait:
orl $-1, %eax /* Load -1. */
LOCK
xaddl %eax, (%ebx)
jne 1b
jne,pn 1b
movl $-1, (%ebx)