diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2005-03-31 10:02:53 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-03-31 10:02:53 +0000 |
| commit | ee6189855aab3a9be8f3c2d95ce2b2cd17db4ec2 (patch) | |
| tree | cf3e2fe1f9be5b358033fd927a0bd922542e04a1 /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S | |
| parent | 4d6302cf51b16a129addf7687c91490c40a7225c (diff) | |
| download | glibc-ee6189855aab3a9be8f3c2d95ce2b2cd17db4ec2.tar.gz | |
* 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_barrier_wait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S index e1593f32ff..fa8125dd87 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_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. @@ -63,9 +63,14 @@ pthread_barrier_wait: /* Wait for the remaining threads. The call will return immediately if the CURR_EVENT memory has meanwhile been changed. */ -7: xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */ +7: +#if FUTEX_WAIT == 0 + xorl %esi, %esi +#else + movl $FUTEX_WAIT, %esi +#endif xorq %r10, %r10 -8: movq $SYS_futex, %rax +8: movl $SYS_futex, %eax syscall /* Don't return on spurious wakeups. The syscall does not change @@ -110,8 +115,8 @@ pthread_barrier_wait: /* Wake up all waiters. The count is a signed number in the kernel so 0x7fffffff is the highest value. */ movl $0x7fffffff, %edx - movq $FUTEX_WAKE, %rsi - movq $SYS_futex, %rax + movl $FUTEX_WAKE, %esi + movl $SYS_futex, %eax syscall /* Increment LEFT. If this brings the count back to the |