/* $NetBSD: movstr_i4.S,v 1.6 2009/01/07 22:15:18 uwe Exp $ */ /*- * Copyright (C) 2002 SHIMIZU Ryo. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <machine/asm.h> #ifdef __ELF__ .hidden __movstr_i4_odd, __movmem_i4_odd .hidden __movstr_i4_even, __movmem_i4_even #endif NENTRY(__movstr_i4_odd) add #-8,r4 nop odd_loop: mov.l @r5+,r0 add #8,r4 mov.l @r5+,r1 dt r6 mov.l r0,@(0,r4) bf/s odd_loop mov.l r1,@(4,r4) mov.l @r5+,r0 mov.l @r5+,r1 mov.l @r5+,r2 mov.l r0,@(8,r4) mov.l r1,@(12,r4) rts mov.l r2,@(16,r4) NENTRY(__movstr_i4_even) add #-8,r4 nop even_loop: mov.l @r5+,r0 add #8,r4 mov.l @r5+,r1 dt r6 mov.l r0,@(0,r4) bf/s even_loop mov.l r1,@(4,r4) mov.l @r5+,r0 mov.l @r5+,r1 mov.l r0,@(8,r4) rts mov.l r1,@(12,r4) /* gcc4 uses movmem, older versions use movstr */ STRONG_ALIAS(__movmem_i4_odd, __movstr_i4_odd) STRONG_ALIAS(__movmem_i4_even, __movstr_i4_even) |