diff options
Diffstat (limited to 'lib/libc/alpha/net/byte_swap_4.S')
-rw-r--r-- | lib/libc/alpha/net/byte_swap_4.S | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/lib/libc/alpha/net/byte_swap_4.S b/lib/libc/alpha/net/byte_swap_4.S deleted file mode 100644 index 04acc85..0000000 --- a/lib/libc/alpha/net/byte_swap_4.S +++ /dev/null @@ -1,55 +0,0 @@ -/* $NetBSD: byte_swap_4.S,v 1.2 1996/10/17 03:08:09 cgd Exp $ */ - -/* - * Copyright (c) 1996 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#if !defined(ALIAS) || !defined(NAME) -#error ALIAS or NAME not defined -#endif - -/* - * Byte-swap a 4-byte quantity. (Convert 0x01234567 to 0x67452301.) - * - * Argument is an unsigned 4-byte integer (u_int32_t). - */ -XLEAF(ALIAS, 1) -LEAF(NAME, 1) /* a0 contains 0x01234567 */ - extbl a0, 0, t0 /* t0 = 0x 67 */ - extbl a0, 1, t1 /* t1 = 0x 45 */ - extbl a0, 2, t2 /* t2 = 0x 23 */ - extbl a0, 3, t3 /* t3 = 0x 01 */ - sll t0, 24, t0 /* t0 = 0x67 */ - sll t1, 16, t1 /* t1 = 0x 45 */ - sll t2, 8, t2 /* t2 = 0x 23 */ - or t3, t0, v0 /* v0 = 0x67 01 */ - or t1, t2, t1 /* t1 = 0x 4523 */ - or t1, v0, v0 /* v0 = 0x67452301 */ - RET -END(NAME) |