stdlib/float1282mpn.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __mpn_extract_float128
   4         .hidden __mpn_extract_float128
   5         .type   __mpn_extract_float128, @function
   6 __mpn_extract_float128:
   7         movaps  %xmm0, -24(%rsp)
   8         movq    -16(%rsp), %r8
   9         movq    -24(%rsp), %rsi
  10         movq    %r8, %rax
  11         movdqa  -24(%rsp), %xmm1
  12         shrq    $63, %rax
  13         movl    %eax, (%rcx)
  14         movq    %r8, %rax
  15         movl    %r8d, %r8d
  16         shrq    $48, %rax
  17         pextrw  $7, %xmm1, %ecx
  18         andl    $32767, %eax
  19         subl    $16383, %eax
  20         movl    %eax, (%rdx)
  21         pextrw  $6, %xmm1, %eax
  22         movq    %rsi, (%rdi)
  23         salq    $32, %rax
  24         orq     %r8, %rax
  25         testw   $32767, %cx
  26         movq    %rax, 8(%rdi)
  27         jne     .L2
  28         testq   %rsi, %rsi
  29         je      .L10
  30         testq   %rax, %rax
  31         jne     .L4
  32         bsrq    %rsi, %rax
  33         xorq    $63, %rax
  34         cmpl    $14, %eax
  35         movl    %eax, %r8d
  36         jg      .L11
  37         movl    $15, %ecx
  38         movq    %rsi, %r10
  39         subl    %eax, %ecx
  40         shrq    %cl, %r10
  41         leal    49(%rax), %ecx
  42         movq    %r10, 8(%rdi)
  43         salq    %cl, %rsi
  44         movq    %rsi, (%rdi)
  45 .L8:
  46         movl    $-16431, %eax
  47         subl    %r8d, %eax
  48         movl    %eax, (%rdx)
  49         movl    $2, %eax
  50         ret
  51         .p2align 4,,10
  52         .p2align 3
  53 .L2:
  54         movabsq $281474976710656, %rdx
  55         orq     %rdx, %rax
  56         movq    %rax, 8(%rdi)
  57         movl    $2, %eax
  58         ret
  59         .p2align 4,,10
  60         .p2align 3
  61 .L10:
  62         testq   %rax, %rax
  63         je      .L12
  64 .L4:
  65         bsrq    %rax, %r8
  66         movl    $64, %ecx
  67         movq    %rsi, %r9
  68         xorq    $63, %r8
  69         subl    $15, %r8d
  70         subl    %r8d, %ecx
  71         shrq    %cl, %r9
  72         movl    %r8d, %ecx
  73         salq    %cl, %rax
  74         salq    %cl, %rsi
  75         orq     %r9, %rax
  76         movq    %rsi, (%rdi)
  77         movq    %rax, 8(%rdi)
  78         movl    $-16382, %eax
  79         subl    %r8d, %eax
  80         movl    %eax, (%rdx)
  81         movl    $2, %eax
  82         ret
  83         .p2align 4,,10
  84         .p2align 3
  85 .L12:
  86         movl    $0, (%rdx)
  87         movl    $2, %eax
  88         ret
  89         .p2align 4,,10
  90         .p2align 3
  91 .L11:
  92         leal    -15(%rax), %ecx
  93         movq    $0, (%rdi)
  94         salq    %cl, %rsi
  95         movq    %rsi, 8(%rdi)
  96         jmp     .L8
  97         .size   __mpn_extract_float128, .-__mpn_extract_float128