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Get rid of bcopy relics. Minimize diffs against the libc version.

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This commit is contained in:
uwe 2003-11-09 01:03:56 +00:00
parent f28afa6ac5
commit 680e83de11
1 changed files with 6 additions and 11 deletions
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17
sys/lib/libkern/arch/sh3/memmove.S
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@ -1,4 +1,4 @@
/* $NetBSD: memmove.S,v 1.3 2003/11/08 23:59:13 uwe Exp $ */
/* $NetBSD: memmove.S,v 1.4 2003/11/09 01:03:56 uwe Exp $ */
/*
* Copyright (c) 2000 SHIMIZU Ryo <ryo@misakimix.org>
@ -29,25 +29,20 @@
#include <machine/asm.h>
#if defined(LIBC_SCCS)
RCSID("$NetBSD: memmove.S,v 1.3 2003/11/08 23:59:13 uwe Exp $")
#if defined(LIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: memmove.S,v 1.4 2003/11/09 01:03:56 uwe Exp $")
#endif
#define REG_DST0 r3
#define REG_SRC r4
#define REG_DST r5
#define REG_SRC r5
#define REG_DST r4
#define REG_LEN r6
ENTRY(memmove)
ALTENTRY(memcpy)
/* memcpy(dst,src,len) -> bcopy(src,dst,len) */
mov r4,r3 /* dst0 = dst */
mov r5,r4 /* dst = src */
mov r3,r5 /* src = dst0 */
/* fall through */
mov REG_DST,REG_DST0
/* ALTENTRY(bcopy) */
cmp/eq REG_DST,REG_SRC /* if ( src == dst ) return; */
bt/s bcopy_return
cmp/hi REG_DST,REG_SRC