glibc/sysdeps/alpha/htons.S

/* Copyright (C) 1996-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library.  If not, see
   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

ENTRY(htons)
#ifdef PROF
	ldgp	gp, 0(pv)
	.set noat
	lda	AT, _mcount
	jsr	AT, (AT), _mcount
	.set at
	.prologue 1
#else
	.prologue 0
#endif

	extwh	a0, 7, t1	# t1 = bb00
	extbl	a0, 1, v0	# v0 = 00aa
	bis	v0, t1, v0	# v0 = bbaa
	ret

	END(htons)

weak_alias (htons, ntohs)