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authorUlrich Drepper <drepper@redhat.com>2005-03-31 10:02:53 +0000
committerUlrich Drepper <drepper@redhat.com>2005-03-31 10:02:53 +0000
commitee6189855aab3a9be8f3c2d95ce2b2cd17db4ec2 (patch)
treecf3e2fe1f9be5b358033fd927a0bd922542e04a1 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
parent4d6302cf51b16a129addf7687c91490c40a7225c (diff)
* sysdeps/unix/sysv/linux/x86_64/getcontext.S: Use functionally
equivalent, but shorter instructions. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/swapcontext.S: Likewise. * sysdeps/unix/x86_64/sysdep.S: Likewise. * sysdeps/x86_64/strchr.S: Likewise. * sysdeps/x86_64/memset.S: Likewise. * sysdeps/x86_64/strcspn.S: Likewise. * sysdeps/x86_64/strcmp.S: Likewise. * sysdeps/x86_64/elf/start.S: Likewise. * sysdeps/x86_64/strspn.S: Likewise. * sysdeps/x86_64/dl-machine.h: Likewise. * sysdeps/x86_64/bsd-_setjmp.S: Likewise. * sysdeps/x86_64/bsd-setjmp.S: Likewise. * sysdeps/x86_64/strtok.S: Likewise.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S26
1 files changed, 15 insertions, 11 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
index f5de0a280c..b837d466b1 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -82,12 +82,12 @@ __condvar_cleanup:
jne 4f
addq $cond_nwaiters, %rdi
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
movl $1, %edx
syscall
subq $cond_nwaiters, %rdi
- movq $1, %r12
+ movl $1, %r12d
4: LOCK
#if cond_lock == 0
@@ -105,9 +105,9 @@ __condvar_cleanup:
2: testq %r12, %r12
jnz 5f
addq $cond_futex, %rdi
- movq $FUTEX_WAKE, %rsi
+ movl $FUTEX_WAKE, %esi
movl $0x7fffffff, %edx
- movq $SYS_futex, %rax
+ movl $SYS_futex, %eax
syscall
5: movq 16(%r8), %rdi
@@ -170,7 +170,7 @@ __pthread_cond_wait:
/* Unlock the mutex. */
2: movq 16(%rsp), %rdi
- xorq %rsi, %rsi
+ xorl %esi, %esi
callq __pthread_mutex_unlock_usercnt
testl %eax, %eax
@@ -215,8 +215,12 @@ __pthread_cond_wait:
xorq %r10, %r10
movq %r12, %rdx
addq $cond_futex-cond_lock, %rdi
- movq $SYS_futex, %rax
- movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */
+ movl $SYS_futex, %eax
+#if FUTEX_WAIT == 0
+ xorl %esi, %esi
+#else
+ movl $FUTEX_WAIT, %esi
+#endif
syscall
movl (%rsp), %edi
@@ -262,8 +266,8 @@ __pthread_cond_wait:
jne 17f
addq $cond_nwaiters, %rdi
- movq $SYS_futex, %rax
- movq $FUTEX_WAKE, %rsi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %esi
movl $1, %edx
syscall
subq $cond_nwaiters, %rdi