stdio-common/_itoa.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _itoa_word
   4         .hidden _itoa_word
   5         .type   _itoa_word, @function
   6 _itoa_word:
   7         leaq    _itoa_lower_digits(%rip), %r8
   8         leaq    _itoa_upper_digits(%rip), %rax
   9         testl   %ecx, %ecx
  10         cmovne  %rax, %r8
  11         cmpl    $10, %edx
  12         je      .L11
  13         cmpl    $16, %edx
  14         je      .L5
  15         cmpl    $8, %edx
  16         movl    %edx, %ecx
  17         je      .L6
  18         .p2align 4,,10
  19         .p2align 3
  20 .L8:
  21         movq    %rdi, %rax
  22         xorl    %edx, %edx
  23         subq    $1, %rsi
  24         divq    %rcx
  25         movq    %rax, %rdi
  26         movzbl  (%r8,%rdx), %eax
  27         testq   %rdi, %rdi
  28         movb    %al, (%rsi)
  29         jne     .L8
  30 .L1:
  31         movq    %rsi, %rax
  32         ret
  33         .p2align 4,,10
  34         .p2align 3
  35 .L5:
  36         movq    %rdi, %rax
  37         shrq    $4, %rdi
  38         subq    $1, %rsi
  39         andl    $15, %eax
  40         testq   %rdi, %rdi
  41         movzbl  (%r8,%rax), %eax
  42         movb    %al, (%rsi)
  43         jne     .L5
  44         jmp     .L1
  45         .p2align 4,,10
  46         .p2align 3
  47 .L6:
  48         movq    %rdi, %rax
  49         shrq    $3, %rdi
  50         subq    $1, %rsi
  51         andl    $7, %eax
  52         testq   %rdi, %rdi
  53         movzbl  (%r8,%rax), %eax
  54         movb    %al, (%rsi)
  55         jne     .L6
  56         jmp     .L1
  57         .p2align 4,,10
  58         .p2align 3
  59 .L11:
  60         movabsq $-3689348814741910323, %rcx
  61         .p2align 4,,10
  62         .p2align 3
  63 .L4:
  64         movq    %rdi, %rax
  65         subq    $1, %rsi
  66         mulq    %rcx
  67         shrq    $3, %rdx
  68         leaq    (%rdx,%rdx,4), %rax
  69         addq    %rax, %rax
  70         subq    %rax, %rdi
  71         testq   %rdx, %rdx
  72         movzbl  (%r8,%rdi), %eax
  73         movq    %rdx, %rdi
  74         movb    %al, (%rsi)
  75         jne     .L4
  76         movq    %rsi, %rax
  77         ret
  78         .size   _itoa_word, .-_itoa_word
  79         .p2align 4,,15
  80         .globl  _fitoa_word
  81         .hidden _fitoa_word
  82         .type   _fitoa_word, @function
  83 _fitoa_word:
  84         subq    $40, %rsp
  85         movq    %rsi, %r9
  86         leaq    32(%rsp), %rsi
  87         call    _itoa_word
  88         leaq    32(%rsp), %rdi
  89         cmpq    %rdi, %rax
  90         jnb     .L22
  91         movq    %rdi, %rsi
  92         xorl    %edx, %edx
  93         subq    %rax, %rsi
  94         .p2align 4,,10
  95         .p2align 3
  96 .L21:
  97         movzbl  (%rax,%rdx), %ecx
  98         movb    %cl, (%r9,%rdx)
  99         addq    $1, %rdx
 100         cmpq    %rsi, %rdx
 101         jne     .L21
 102         leaq    33(%rsp), %rdx
 103         addq    $1, %rax
 104         addq    $40, %rsp
 105         subq    %rax, %rdx
 106         movq    %rdx, %rax
 107         addq    %r9, %rax
 108         ret
 109         .p2align 4,,10
 110         .p2align 3
 111 .L22:
 112         movq    %r9, %rax
 113         addq    $40, %rsp
 114         ret
 115         .size   _fitoa_word, .-_fitoa_word
 116         .hidden _itoa_upper_digits
 117         .hidden _itoa_lower_digits