nptl/pthread_barrier_wait.shared.s

   1         .text
   2         .section        .rodata.str1.8,"aMS",@progbits,1
   3         .align 8
   4 .LC0:
   5         .string "The futex facility returned an unexpected error code.\n"
   6         .text
   7         .p2align 4,,15
   8         .globl  __pthread_barrier_wait
   9         .type   __pthread_barrier_wait, @function
  10 __pthread_barrier_wait:
  11         pushq   %r15
  12         pushq   %r14
  13         movq    %rdi, %r9
  14         pushq   %r13
  15         pushq   %r12
  16         movl    $1, %r13d
  17         pushq   %rbp
  18         pushq   %rbx
  19         movl    $2147483647, %r12d
  20         movl    $202, %ebp
  21         subq    $8, %rsp
  22         .p2align 4,,10
  23         .p2align 3
  24 .L2:
  25         movl    $1, %r8d
  26         lock xaddl      %r8d, (%r9)
  27         movl    8(%r9), %r14d
  28         xorl    %edx, %edx
  29         movl    %r12d, %eax
  30         movl    %r12d, %ebx
  31         addl    $1, %r8d
  32         divl    %r14d
  33         subl    %edx, %ebx
  34         cmpl    %ebx, %r8d
  35         ja      .L8
  36         jmp     .L3
  37         .p2align 4,,10
  38         .p2align 3
  39 .L4:
  40         movl    (%r9), %r8d
  41         cmpl    %r8d, %ebx
  42         jnb     .L2
  43 .L8:
  44         movl    12(%r9), %esi
  45         xorl    %r10d, %r10d
  46         movl    %r8d, %edx
  47         movq    %r9, %rdi
  48         movl    %ebp, %eax
  49         xorb    $-128, %sil
  50 #APP
  51 # 146 "../sysdeps/nptl/futex-internal.h" 1
  52         syscall
  53
  54 # 0 "" 2
  55 #NO_APP
  56         cmpq    $-4096, %rax
  57         jbe     .L4
  58         leal    11(%rax), %ecx
  59         cmpl    $11, %ecx
  60         ja      .L6
  61         movq    %r13, %rax
  62         salq    %cl, %rax
  63         testl   $2177, %eax
  64         jne     .L4
  65 .L6:
  66         leaq    .LC0(%rip), %rdi
  67         call    __libc_fatal@PLT
  68 .L3:
  69         movl    4(%r9), %ecx
  70         leaq    4(%r9), %r12
  71 .L9:
  72         leal    (%r14,%rcx), %eax
  73         cmpl    %r8d, %eax
  74         ja      .L30
  75         movl    %r8d, %eax
  76         xorl    %edx, %edx
  77         movl    %r8d, %ebp
  78         divl    %r14d
  79         movl    %ecx, %eax
  80         subl    %edx, %ebp
  81         lock cmpxchgl   %ebp, (%r12)
  82         movl    %eax, %ecx
  83         jne     .L9
  84         movl    12(%r9), %esi
  85         xorl    %r10d, %r10d
  86         movl    $2147483647, %edx
  87         movq    %r12, %rdi
  88         movl    $202, %eax
  89         xorb    $-127, %sil
  90 #APP
  91 # 209 "../sysdeps/nptl/futex-internal.h" 1
  92         syscall
  93
  94 # 0 "" 2
  95 #NO_APP
  96         cmpq    $-4096, %rax
  97         ja      .L31
  98 .L10:
  99         cmpl    %ebp, %r8d
 100         jbe     .L11
 101 .L12:
 102         movl    $202, %r13d
 103         movl    $1, %r15d
 104         jmp     .L16
 105         .p2align 4,,10
 106         .p2align 3
 107 .L15:
 108         movl    (%r12), %ebp
 109         cmpl    %ebp, %r8d
 110         jbe     .L11
 111 .L16:
 112         movl    12(%r9), %esi
 113         xorl    %r10d, %r10d
 114         movl    %ebp, %edx
 115         movq    %r12, %rdi
 116         movl    %r13d, %eax
 117         xorb    $-128, %sil
 118 #APP
 119 # 146 "../sysdeps/nptl/futex-internal.h" 1
 120         syscall
 121
 122 # 0 "" 2
 123 #NO_APP
 124         cmpq    $-4096, %rax
 125         jbe     .L15
 126         leal    11(%rax), %ecx
 127         cmpl    $11, %ecx
 128         ja      .L6
 129         movq    %r15, %rax
 130         salq    %cl, %rax
 131         testl   $2177, %eax
 132         je      .L6
 133         movl    (%r12), %ebp
 134         cmpl    %ebp, %r8d
 135         ja      .L16
 136 .L11:
 137         leaq    16(%r9), %rdx
 138         movl    $1, %eax
 139         lock xaddl      %eax, (%rdx)
 140         addl    $1, %eax
 141         cmpl    %eax, %ebx
 142         je      .L32
 143 .L19:
 144         xorl    %edx, %edx
 145         movl    %r8d, %eax
 146         divl    %r14d
 147         xorl    %eax, %eax
 148         testl   %edx, %edx
 149         sete    %al
 150         addq    $8, %rsp
 151         popq    %rbx
 152         negl    %eax
 153         popq    %rbp
 154         popq    %r12
 155         popq    %r13
 156         popq    %r14
 157         popq    %r15
 158         ret
 159 .L31:
 160         cmpl    $-22, %eax
 161         je      .L10
 162         cmpl    $-14, %eax
 163         je      .L10
 164         jmp     .L6
 165         .p2align 4,,10
 166         .p2align 3
 167 .L32:
 168         movl    $0, 4(%r9)
 169         movl    $0, 16(%r9)
 170         movl    12(%r9), %esi
 171         xorl    %r10d, %r10d
 172         movl    $2147483647, %edx
 173         movl    $0, (%r9)
 174         movq    %r9, %rdi
 175         movl    $202, %eax
 176         xorb    $-127, %sil
 177 #APP
 178 # 209 "../sysdeps/nptl/futex-internal.h" 1
 179         syscall
 180
 181 # 0 "" 2
 182 #NO_APP
 183         cmpq    $-4096, %rax
 184         jbe     .L19
 185         cmpl    $-22, %eax
 186         je      .L19
 187         cmpl    $-14, %eax
 188         je      .L19
 189         jmp     .L6
 190         .p2align 4,,10
 191         .p2align 3
 192 .L30:
 193         cmpl    %ecx, %r8d
 194         movl    %ecx, %ebp
 195         ja      .L12
 196         jmp     .L11
 197         .size   __pthread_barrier_wait, .-__pthread_barrier_wait
 198         .weak   pthread_barrier_wait
 199         .set    pthread_barrier_wait,__pthread_barrier_wait