matt
parent
7f4cb8b53c
commit
c2f76ff004
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@ -1,4 +1,4 @@
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/* $NetBSD: bswap16.S,v 1.2 2008/04/28 20:22:52 martin Exp $ */
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/* $NetBSD: bswap16.S,v 1.3 2011/01/25 04:45:28 matt Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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@ -31,14 +31,17 @@
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#include <machine/asm.h>
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RCSID("$NetBSD: bswap16.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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#if defined(_KERNEL) || defined(_STANDALONE)
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ENTRY(_C_LABEL(bswap16), 0)
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ALTENTRY(_C_LABEL(bswap16))
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#else
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ALTENTRY(_C_LABEL(ntohs))
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ALTENTRY(_C_LABEL(htons))
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ENTRY(_C_LABEL(__bswap16), 0)
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#endif
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ENTRY(_C_LABEL(__bswap16), 0)
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movl 4(%ap), %r1
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extzv $8, $8, %r1, %r0
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insv %r1, $8, $8, %r0
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ret
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END(_C_LABEL(__bswap16))
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@ -1,4 +1,4 @@
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/* $NetBSD: bswap32.S,v 1.2 2008/04/28 20:22:52 martin Exp $ */
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/* $NetBSD: bswap32.S,v 1.3 2011/01/25 04:45:28 matt Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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@ -31,18 +31,18 @@
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#include <machine/asm.h>
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RCSID("$NetBSD: bswap32.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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#if defined(_KERNEL) || defined(_STANDALONE)
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ENTRY(_C_LABEL(bswap32), 0)
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ALTENTRY(_C_LABEL(bswap32))
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#else
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#if BYTE_ORDER == LITTLE_ENDIAN
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ALTENTRY(_C_LABEL(ntohl))
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ALTENTRY(_C_LABEL(htonl))
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#endif
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ENTRY(_C_LABEL(__bswap32), 0)
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#endif
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rotl $-8, 4(%ap), %r0
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insv %r0, $16, $8, %r0
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rotl $8, 4(%ap), %r1
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movb %r1, %r0
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ret
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END(_C_LABEL(__bswap32))
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@ -1,11 +1,9 @@
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/* Written by Anders Magnusson. Public Domain */
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "$NetBSD: bswap64.S,v 1.2 2005/12/24 08:33:32 matt Exp $"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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RCSID("$NetBSD: bswap64.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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ENTRY(bswap64, 0)
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movq 4(%ap),%r3
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rotl $-8,%r3,%r1
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@ -17,3 +15,4 @@ ENTRY(bswap64, 0)
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rotl $8,%r4,%r2
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movb %r2,%r0
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ret
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END(bswap64)
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@ -30,10 +30,10 @@
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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#include <machine/asm.h>
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/* .asciz "@(#)udiv.s 8.1 (Berkeley) 6/4/93" */
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.asciz "$NetBSD: udiv.S,v 1.2 2005/12/24 08:33:32 matt Exp $"
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#endif /* LIBC_SCCS and not lint */
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RCSID("$NetBSD: udiv.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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/*
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* Unsigned division, PCC flavor.
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@ -41,16 +41,10 @@
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* audiv() takes a pointer to a dividend and an ordinary divisor.
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*/
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#include <machine/asm.h>
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#define DIVIDEND 4(%ap)
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#define DIVISOR 8(%ap)
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#ifdef __ELF__
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ASENTRY(__udiv,0)
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#else
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ASENTRY(udiv,0)
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#endif
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movl DIVISOR,%r2
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jlss Leasy # big divisor: settle by comparison
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movl DIVIDEND,%r0
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@ -69,12 +63,9 @@ Leasy:
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Lone:
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movl $1,%r0
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ret
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END(__udiv)
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#ifdef __ELF__
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ASENTRY(__audiv,0)
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#else
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ASENTRY(audiv,0)
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#endif
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movl DIVIDEND,%r3
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movl DIVISOR,%r2
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jlss La_easy # big divisor: settle by comparison
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@ -98,3 +89,4 @@ La_one:
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movl $1,%r0
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movl %r0,(%r3)
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ret
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END(__audiv)
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@ -30,13 +30,11 @@
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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/* .asciz "@(#)urem.s 8.1 (Berkeley) 6/4/93" */
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.asciz "$NetBSD: urem.S,v 1.2 2005/12/24 08:33:32 matt Exp $"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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/* .asciz "@(#)urem.s 8.1 (Berkeley) 6/4/93" */
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RCSID("$NetBSD: urem.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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/*
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* Unsigned modulus, PCC flavor.
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* urem() takes an ordinary dividend/divisor pair;
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#define DIVIDEND 4(%ap)
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#define DIVISOR 8(%ap)
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#ifdef __ELF__
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ASENTRY(__urem,0)
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#else
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ASENTRY(urem,0)
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#endif
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movl DIVISOR,%r2
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jlss Leasy # big divisor: settle by comparison
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movl DIVIDEND,%r0
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movl DIVIDEND,%r0 # if divisor is bigger, return dividend
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Ldifference:
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ret
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END(__urem)
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#ifdef __ELF__
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ASENTRY(__aurem,0)
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#else
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ASENTRY(aurem,0)
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#endif
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movl DIVIDEND,%r3
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movl DIVISOR,%r2
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jlss La_easy # big divisor: settle by comparison
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La_dividend:
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movl (%r3),%r0
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ret
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END(__aurem)
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/* $NetBSD: memcpy.S,v 1.2 2005/12/24 08:33:32 matt Exp $ */
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/* $NetBSD: memcpy.S,v 1.3 2011/01/25 04:45:28 matt Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "@(#)memcpy.s 8.1 (Berkeley) 6/4/93"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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/* .asciz "@(#)memcpy.s 8.1 (Berkeley) 6/4/93" */
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RCSID("$NetBSD: memcpy.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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/*
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* void *memcpy(dst, src, size)
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* of some extra memory references and branches when count >= 65536.
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*/
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#include <machine/asm.h>
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ENTRY(memcpy, 0)
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movzwl $65535,%r0 /* %r0 = 64K (needed below) */
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movq 8(%ap),%r1 /* %r1 = src, %r2 = length */
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subl2 %r0,%r1
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subl2 %r0,%r3
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brb 5b
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END(memcpy)
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/* $NetBSD: memmove.S,v 1.2 2005/12/24 08:33:32 matt Exp $ */
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/* $NetBSD: memmove.S,v 1.3 2011/01/25 04:45:28 matt Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "@(#)memmove.s 8.1 (Berkeley) 6/4/93"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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/* .asciz "@(#)memmove.s 8.1 (Berkeley) 6/4/93" */
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RCSID("$NetBSD: memmove.S,v 1.3 2011/01/25 04:45:28 matt Exp $")
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/*
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* void *memmove(dst, src, size)
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* of some extra memory references and branches when count >= 65536.
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*/
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#include <machine/asm.h>
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ENTRY(memmove, 0)
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movzwl $65535,%r0 /* %r0 = 64K (needed below) */
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movq 8(%ap),%r1 /* %r1 = src, %r2 = length */
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subl2 %r0,%r1
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subl2 %r0,%r3
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brb 5b
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END(memmove)
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/* $NetBSD: memset.S,v 1.1 2010/03/12 09:12:34 uwe Exp $ */
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/* $NetBSD: memset.S,v 1.2 2011/01/25 04:45:28 matt Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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.asciz "@(#)memset.s 8.1 (Berkeley) 6/4/93"
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#endif /* LIBC_SCCS and not lint */
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#include <machine/asm.h>
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/* .asciz "@(#)memset.s 8.1 (Berkeley) 6/4/93" */
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RCSID("$NetBSD: memset.S,v 1.2 2011/01/25 04:45:28 matt Exp $")
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/* void *memset(base, c, length) */
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#include <machine/asm.h>
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ENTRY(memset, 0)
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movl 4(%ap),%r3
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1:
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subl2 %r0,12(%ap)
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movc5 $0,(%r3),%r1,%r0,(%r3)
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jbr 1b
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END(memset)
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