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| author | Ulrich Drepper <drepper@redhat.com> | 2004-06-03 16:04:11 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-06-03 16:04:11 +0000 |
| commit | 75fcceded2cfc65e4879521fff4db6a620a96363 (patch) | |
| tree | 6d0763c5a2e4b59ece4d57a87232d435d15a5f7f /nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S | |
| parent | 322861e8b62dbca030a66f9ab37e6688b223c65f (diff) | |
| download | glibc-75fcceded2cfc65e4879521fff4db6a620a96363.tar.gz glibc-75fcceded2cfc65e4879521fff4db6a620a96363.tar.xz glibc-75fcceded2cfc65e4879521fff4db6a620a96363.zip | |
Update.
2004-06-03 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/i486/bits/atomic.h: Optimize a bit.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S index 92eadfc433..62bb74cc1a 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -56,13 +56,14 @@ __pthread_cond_signal: #endif jnz 1f -2: addq $wakeup_seq, %rdi +2: addq $cond_futex, %rdi movq total_seq(%r8), %rcx - cmpq (%rdi), %rcx + cmpq wakeup_seq(%r8), %rcx jbe 4f /* Bump the wakeup number. */ - addq $1, (%rdi) + addq $1, wakeup_seq(%r8) + addl $1, (%rdi) /* Wake up one thread. */ movq $FUTEX_WAKE, %rsi @@ -95,11 +96,7 @@ __pthread_cond_signal: /* Unlock in loop requires wakeup. */ 5: -#if cond_lock != 0 - addq $cond_lock-wakeup_seq, %rdi -#else movq %r8, %rdi -#endif callq __lll_mutex_unlock_wake jmp 6b .size __pthread_cond_signal, .-__pthread_cond_signal |