common/lib/libc/arch/x86_64/gen/byte_swap_2.S

   1 /*      $NetBSD: byte_swap_2.S,v 1.2 2006/02/04 21:53:31 uwe Exp $      */
   2
   3 #include <machine/asm.h>
   4
   5 #if defined(LIBC_SCCS)
   6         RCSID("$NetBSD: byte_swap_2.S,v 1.2 2006/02/04 21:53:31 uwe Exp $")
   7 #endif
   8
   9 #if defined(_KERNEL) || defined(_STANDALONE)
  10 _ENTRY(_C_LABEL(bswap16))
  11 #else
  12 _ENTRY(_C_LABEL(__bswap16))
  13 #endif
  14 _ENTRY(_C_LABEL(ntohs))
  15 _ENTRY(_C_LABEL(htons))
  16 _PROF_PROLOGUE
  17         movl    %edi,%eax
  18         xchgb   %ah,%al
  19         ret