diff options
author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S index 0e82f890aa..1fcb07eaef 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 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. @@ -72,12 +72,8 @@ __pthread_rwlock_wrlock: jne 10f 11: addq $WRITERS_WAKEUP, %rdi -#if FUTEX_WAIT == 0 - xorl %esi, %esi -#else - movl $FUTEX_WAIT, %esi -#endif - movl $SYS_futex, %eax + movq %r10, %rsi /* movq $FUTEX_WAIT, %rsi */ + movq $SYS_futex, %rax syscall subq $WRITERS_WAKEUP, %rdi @@ -96,7 +92,7 @@ __pthread_rwlock_wrlock: 13: decl WRITERS_QUEUED(%rdi) jmp 2b -5: xorl %edx, %edx +5: xorq %rdx, %rdx movl %fs:TID, %eax movl %eax, WRITER(%rdi) 9: LOCK @@ -123,7 +119,7 @@ __pthread_rwlock_wrlock: 14: cmpl %fs:TID, %eax jne 3b - movl $EDEADLK, %edx + movq $EDEADLK, %rdx jmp 9b 6: |