stdlib/strtod_nan.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __strtod_nan
   4         .hidden __strtod_nan
   5         .type   __strtod_nan, @function
   6 __strtod_nan:
   7         pushq   %rbp
   8         pushq   %rbx
   9         movq    %rsi, %rbp
  10         movq    %rdi, %rbx
  11         subq    $40, %rsp
  12         jmp     .L2
  13         .p2align 4,,10
  14         .p2align 3
  15 .L3:
  16         addq    $1, %rbx
  17 .L2:
  18         movzbl  (%rbx), %ecx
  19         movl    %ecx, %eax
  20         andl    $-33, %eax
  21         subl    $65, %eax
  22         cmpb    $25, %al
  23         jbe     .L3
  24         leal    -48(%rcx), %eax
  25         cmpb    $9, %al
  26         jbe     .L3
  27         cmpb    $95, %cl
  28         je      .L3
  29         cmpb    %dl, %cl
  30         je      .L4
  31 .L6:
  32         movsd   .LC0(%rip), %xmm0
  33 .L5:
  34         testq   %rbp, %rbp
  35         je      .L1
  36         movq    %rbx, 0(%rbp)
  37 .L1:
  38         addq    $40, %rsp
  39         popq    %rbx
  40         popq    %rbp
  41         ret
  42 .L4:
  43         leaq    24(%rsp), %rsi
  44         leaq    _nl_C_locobj(%rip), %r8
  45         xorl    %ecx, %ecx
  46         xorl    %edx, %edx
  47         call    ____strtoull_l_internal
  48         cmpq    %rbx, 24(%rsp)
  49         jne     .L6
  50         movabsq $2251795518717952, %rdx
  51         movl    %eax, %esi
  52         andq    %rax, %rdx
  53         movsd   .LC0(%rip), %xmm0
  54         movq    %rdx, %rcx
  55         movabsq $9221120237041090560, %rdx
  56         orq     %rcx, %rdx
  57         orq     %rsi, %rdx
  58         movq    %rdx, %rcx
  59         shrq    $32, %rcx
  60         andl    $1048575, %ecx
  61         orl     %eax, %ecx
  62         je      .L5
  63         movq    %rdx, 8(%rsp)
  64         movsd   8(%rsp), %xmm0
  65         jmp     .L5
  66         .size   __strtod_nan, .-__strtod_nan
  67         .section        .rodata.cst8,"aM",@progbits,8
  68         .align 8
  69 .LC0:
  70         .long   0
  71         .long   2146959360
  72         .hidden ____strtoull_l_internal
  73         .hidden _nl_C_locobj