diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S index e189dc1266..1b2731a29e 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S @@ -87,10 +87,11 @@ __lll_mutex_timedlock_wait: movq %rdi, %r12 movq %rdx, %r13 - leaq 1(%rsi), %r14 + +1: leaq 1(%rax), %r14 /* Get current time. */ -1: movq %rsp, %rdi + movq %rsp, %rdi xorq %rsi, %rsi movq $VSYSCALL_ADDR_vgettimeofday, %rax /* This is a regular function call, all calleer-save registers @@ -121,11 +122,12 @@ __lll_mutex_timedlock_wait: movq %r12, %rdi movq $SYS_futex, %rax syscall + movq %rax, %rcx - movl $1, %r14d + movl $1, %eax LOCK - xaddl %r14d, (%rdi) - testl %r14d, %r14d + xaddl %eax, (%rdi) + testl %eax, %eax jne 7f movl $2, (%rdi) @@ -138,7 +140,7 @@ __lll_mutex_timedlock_wait: retq /* Check whether the time expired. */ -7: cmpq $-ETIMEDOUT, %rax +7: cmpq $-ETIMEDOUT, %rcx je 5f jmp 1b |