sysdeps/alpha/htons.S

   1 /* Copyright (C) 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <sysdep.h>
  20
  21 ENTRY(__htons)
  22 #ifdef PROF
  23         ldgp    gp, 0(pv)
  24         lda     AT, _mcount
  25         jsr     AT, (AT), _mcount
  26         .prologue 1
  27 #else
  28         .prologue 0
  29 #endif
  30
  31         extwh   a0, 7, t1       # t1 = bb00
  32         extbl   a0, 1, v0       # v0 = 00aa
  33         bis     v0, t1, v0      # v0 = bbaa
  34         ret
  35
  36         END(__htons)
  37
  38 strong_alias_asm(__htons, __ntohs)
  39 weak_alias(__htons, htons)
  40 weak_alias(__htons, ntohs)