1 1.3 skrll /* $NetBSD: bcmp.S,v 1.3 2020/05/05 06:20:55 skrll Exp $ */ 2 1.1 fredette 3 1.1 fredette /* $OpenBSD: bcmp.S,v 1.3 2001/06/04 23:14:02 mickey Exp $ */ 4 1.1 fredette 5 1.1 fredette /* 6 1.1 fredette * Copyright 1996 1995 by Open Software Foundation, Inc. 7 1.1 fredette * All Rights Reserved 8 1.1 fredette * 9 1.1 fredette * Permission to use, copy, modify, and distribute this software and 10 1.1 fredette * its documentation for any purpose and without fee is hereby granted, 11 1.1 fredette * provided that the above copyright notice appears in all copies and 12 1.1 fredette * that both the copyright notice and this permission notice appear in 13 1.1 fredette * supporting documentation. 14 1.1 fredette * 15 1.1 fredette * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 16 1.1 fredette * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 17 1.1 fredette * FOR A PARTICULAR PURPOSE. 18 1.1 fredette * 19 1.1 fredette * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 20 1.1 fredette * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 21 1.1 fredette * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 22 1.1 fredette * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 23 1.1 fredette * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 24 1.1 fredette */ 25 1.1 fredette /* 26 1.1 fredette * (c) Copyright 1988 HEWLETT-PACKARD COMPANY 27 1.1 fredette * 28 1.1 fredette * To anyone who acknowledges that this file is provided "AS IS" 29 1.1 fredette * without any express or implied warranty: 30 1.1 fredette * permission to use, copy, modify, and distribute this file 31 1.1 fredette * for any purpose is hereby granted without fee, provided that 32 1.1 fredette * the above copyright notice and this notice appears in all 33 1.1 fredette * copies, and that the name of Hewlett-Packard Company not be 34 1.1 fredette * used in advertising or publicity pertaining to distribution 35 1.1 fredette * of the software without specific, written prior permission. 36 1.1 fredette * Hewlett-Packard Company makes no representations about the 37 1.1 fredette * suitability of this software for any purpose. 38 1.1 fredette */ 39 1.1 fredette /* 40 1.1 fredette * Copyright (c) 1990,1991,1994 The University of Utah and 41 1.1 fredette * the Computer Systems Laboratory (CSL). All rights reserved. 42 1.1 fredette * 43 1.1 fredette * THE UNIVERSITY OF UTAH AND CSL PROVIDE THIS SOFTWARE IN ITS "AS IS" 44 1.1 fredette * CONDITION, AND DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES 45 1.1 fredette * WHATSOEVER RESULTING FROM ITS USE. 46 1.1 fredette * 47 1.1 fredette * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any 48 1.1 fredette * improvements that they make and grant CSL redistribution rights. 49 1.1 fredette * 50 1.1 fredette * Utah Hdr: movc.s 1.26 94/12/14 51 1.1 fredette */ 52 1.1 fredette 53 1.1 fredette #include <machine/asm.h> 54 1.1 fredette 55 1.1 fredette #ifdef SYSLIBC_SCCS 56 1.1 fredette .text 57 1.1 fredette .asciz "$OpenBSD: bcmp.S,v 1.3 2001/06/04 23:14:02 mickey Exp $" 58 1.1 fredette .align 4 59 1.1 fredette #endif 60 1.1 fredette 61 1.1 fredette /* 62 1.1 fredette * int 63 1.1 fredette * bcmp(src, dst, count) 64 1.2 matt * vaddr_t src; 65 1.2 matt * vaddr_t dst; 66 1.2 matt * size_t count; 67 1.1 fredette */ 68 1.1 fredette LEAF_ENTRY(bcmp) 69 1.2 matt comb,>= %r0,%arg2,$bcmp_exit 70 1.2 matt copy %t1,%t2 71 1.1 fredette 72 1.2 matt $bcmp_loop: 73 1.2 matt ldbs,ma 1(%arg0),%t1 74 1.2 matt ldbs,ma 1(%arg1),%t2 75 1.2 matt comb,<>,n %t1,%t2,$bcmp_exit 76 1.2 matt addib,<> -1,%arg2,$bcmp_loop 77 1.3 skrll nop 78 1.1 fredette 79 1.2 matt $bcmp_exit: 80 1.2 matt bv 0(%r2) 81 1.3 skrll sub %t1,%t2,%ret0 82 1.1 fredette 83 1.1 fredette EXIT(bcmp) 84 1.1 fredette 85
Indexes created Mon Sep 22 13:09:51 GMT 2025