src/string/i386/memmove.s

   1 .global memmove
   2 .type memmove,@function
   3 memmove:
   4         mov 4(%esp),%eax
   5         sub 8(%esp),%eax
   6         cmp 12(%esp),%eax
   7 .hidden __memcpy_fwd
   8         jae __memcpy_fwd
   9         push %esi
  10         push %edi
  11         mov 12(%esp),%edi
  12         mov 16(%esp),%esi
  13         mov 20(%esp),%ecx
  14         lea -1(%edi,%ecx),%edi
  15         lea -1(%esi,%ecx),%esi
  16         std
  17         rep movsb
  18         cld
  19         lea 1(%edi),%eax
  20         pop %edi
  21         pop %esi
  22         ret