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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_timedwait.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_timedwait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S index 80cbf7e430..e75f05e07f 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S @@ -105,6 +105,7 @@ __pthread_cond_timedwait: movq 8(%rsp), %rdi incq total_seq(%rdi) + incl cond_futex(%rdi) /* Install cancellation handler. */ #ifdef PIC @@ -118,9 +119,9 @@ __pthread_cond_timedwait: /* Get and store current wakeup_seq value. */ movq 8(%rsp), %rdi - movq wakeup_seq(%rdi), %r12 + movq wakeup_seq(%rdi), %r9 movl broadcast_seq(%rdi), %edx - movq %r12, 40(%rsp) + movq %r9, 40(%rsp) movl %edx, 4(%rsp) /* Get the current time. */ @@ -172,6 +173,8 @@ __pthread_cond_timedwait: 21: movq %rcx, 24(%rsp) movq %rdx, 32(%rsp) + movl cond_futex(%rdi), %r12d + /* Unlock. */ LOCK #if cond_lock == 0 @@ -187,7 +190,7 @@ __pthread_cond_timedwait: leaq 24(%rsp), %r10 xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */ movq %r12, %rdx - addq $wakeup_seq-cond_lock, %rdi + addq $cond_futex, %rdi movq $SYS_futex, %rax syscall movq %rax, %r14 @@ -211,21 +214,22 @@ __pthread_cond_timedwait: movq woken_seq(%rdi), %rax - movq wakeup_seq(%rdi), %r12 + movq wakeup_seq(%rdi), %r9 cmpl 4(%rsp), %edx jne 23f - cmpq 40(%rsp), %r12 + cmpq 40(%rsp), %r9 jbe 15f - cmpq %rax, %r12 + cmpq %rax, %r9 ja 9f 15: cmpq $-ETIMEDOUT, %r14 jne 8b 13: incq wakeup_seq(%rdi) + incl cond_futex(%rdi) movq $ETIMEDOUT, %r14 jmp 14f |