summary refs log tree commit diff
path: root/sysdeps/alpha/htonl.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/alpha/htonl.S')
-rw-r--r--sysdeps/alpha/htonl.S42
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/alpha/htonl.S b/sysdeps/alpha/htonl.S
new file mode 100644
index 0000000000..d0bf7e1718
--- /dev/null
+++ b/sysdeps/alpha/htonl.S
@@ -0,0 +1,42 @@
+/* Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+#ifdef __linux__
+# include <alpha/regdef.h>
+#else
+#include <regdef.h>
+#endif
+
+ENTRY(__htonl)
+	extlh	a0,5,t1		# t1 = dd000000
+	zap	a0,0xfd,t2	# t2 = 0000cc00
+	sll	t2,5,t2		# t2 = 00198000
+	s8addl	t2,t1,t1	# t1 = ddcc0000
+	zap	a0,0xfb,t2	# t2 = 00bb0000
+	srl	t2,8,t2		# t2 = 0000bb00
+	extbl	a0,3,v0		# v0 = 000000aa
+	or	t1,v0,v0	# v0 = ddcc00aa
+	or	t2,v0,v0	# v0 = ddccbbaa
+	ret
+
+	.end	__htonl
+
+strong_alias_asm(__htonl, __ntohl)
+weak_alias(__htonl, htonl)
+weak_alias(__htonl, ntohl)