sysdeps/alpha/htons.S

   1 /* Copyright (C) 1996, 1997, 1998 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 Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the 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    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <sysdep.h>
  20
  21 ENTRY(htons)
  22 #ifdef PROF
  23         ldgp    gp, 0(pv)
  24         .set noat
  25         lda     AT, _mcount
  26         jsr     AT, (AT), _mcount
  27         .set at
  28         .prologue 1
  29 #else
  30         .prologue 0
  31 #endif
  32
  33         extwh   a0, 7, t1       # t1 = bb00
  34         extbl   a0, 1, v0       # v0 = 00aa
  35         bis     v0, t1, v0      # v0 = bbaa
  36         ret
  37
  38         END(htons)
  39
  40 weak_alias(htons, ntohs)