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-rw-r--r--ports/sysdeps/alpha/htonl.S43
1 files changed, 43 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/htonl.S b/ports/sysdeps/alpha/htonl.S
new file mode 100644
index 0000000000..871604d6f0
--- /dev/null
+++ b/ports/sysdeps/alpha/htonl.S
@@ -0,0 +1,43 @@
+/* Copyright (C) 1996, 1997, 1998, 2000 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(htonl)
+#ifdef PROF
+	ldgp	gp, 0(pv)
+	.set noat
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+	.set at
+	.prologue 1
+#else
+	.prologue 0
+#endif
+
+	inslh	a0, 7, t0	# t0 = 0000000000AABBCC
+	inswl	a0, 3, t1	# t1 = 000000CCDD000000
+	or	t1, t0, t1	# t1 = 000000CCDDAABBCC
+	srl	t1, 16, t2	# t2 = 0000000000CCDDAA
+	zapnot	t1, 0x0A, t0	# t0 = 00000000DD00BB00
+	zapnot	t2, 0x05, t3	# t3 = 0000000000CC00AA
+	addl	t0, t3, v0	# v0 = ssssssssDDCCBBAA
+	ret
+
+	END(htonl)
+
+weak_alias (htonl, ntohl)