nptl/pthread_rwlock_trywrlock.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __pthread_rwlock_trywrlock
   4         .type   __pthread_rwlock_trywrlock, @function
   5 __pthread_rwlock_trywrlock:
   6         movl    (%rdi), %eax
   7         movl    48(%rdi), %ecx
   8 .L2:
   9         testb   $2, %al
  10         jne     .L7
  11         movl    %eax, %edx
  12         shrl    $3, %edx
  13         testl   %edx, %edx
  14         jne     .L14
  15 .L5:
  16         movl    %eax, %edx
  17         orl     $3, %edx
  18         lock cmpxchgl   %edx, (%rdi)
  19         jne     .L2
  20         testb   $1, %al
  21         movl    $1, 12(%rdi)
  22         jne     .L3
  23         movl    $1, 8(%rdi)
  24 .L3:
  25 #APP
  26 # 58 "pthread_rwlock_trywrlock.c" 1
  27         movl %fs:720,%eax
  28 # 0 "" 2
  29 #NO_APP
  30         movl    %eax, 24(%rdi)
  31         xorl    %eax, %eax
  32         ret
  33         .p2align 4,,10
  34         .p2align 3
  35 .L14:
  36         testl   %ecx, %ecx
  37         je      .L7
  38         testb   $1, %al
  39         jne     .L5
  40 .L7:
  41         movl    $16, %eax
  42         ret
  43         .size   __pthread_rwlock_trywrlock, .-__pthread_rwlock_trywrlock
  44         .globl  pthread_rwlock_trywrlock
  45         .set    pthread_rwlock_trywrlock,__pthread_rwlock_trywrlock