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authorUlrich Drepper <drepper@redhat.com>2003-09-22 19:51:38 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-22 19:51:38 +0000
commitc0df57e1ce270466be342d9998f72633764b22dc (patch)
treeca78fbaf7ff455cda82f9764da9cbba54e258479 /nptl/sysdeps/unix/sysv/linux/i386
parent9d08fbbb29a4a0866b4ff642893c7dd97575b56e (diff)
Update.
2003-09-22 Ulrich Drepper <drepper@redhat.com> * timezone/zdump.c: Update from tzcode2003c. * timezone/zic.c: Likewise. * timezone/leapseconds: Update from tzdata2003c.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S16
1 files changed, 9 insertions, 7 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
index c73970d45f..c5ec154af2 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
@@ -41,16 +41,18 @@
.hidden __lll_mutex_lock_wait
.align 16
__lll_mutex_lock_wait:
- pushl %esi
- pushl %ebx
pushl %edx
+ pushl %ebx
+ pushl %esi
+ movl $2, %edx
movl %ecx, %ebx
xorl %esi, %esi /* No timeout. */
xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
- movl $2, %edx
-1:
+1: cmpl %edx, %eax /* NB: %edx == 2 */
+ je 3f
+
movl $1, %eax
LOCK
cmpxchgl %edx, (%ebx)
@@ -58,7 +60,7 @@ __lll_mutex_lock_wait:
testl %eax, %eax
je 2f
- movl $SYS_futex, %eax
+3: movl $SYS_futex, %eax
ENTER_KERNEL
xorl %eax, %eax
@@ -67,9 +69,9 @@ __lll_mutex_lock_wait:
jnz,pn 1b
- popl %edx
- popl %ebx
popl %esi
+ popl %ebx
+ popl %edx
ret
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait