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muldi3.s revision 1.6.128.1 
      1  1.6.128.1    yamt /*	$NetBSD: muldi3.s,v 1.6.128.1 2008/05/18 12:31:30 yamt Exp $ */
      2        1.2      is 
      3        1.2      is /*-
      4        1.3      is  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5        1.2      is  * All rights reserved.
      6        1.1      is  *
      7        1.2      is  * This code is derived from software contributed to The NetBSD Foundation
      8        1.2      is  * by Ignatios Souvatzis.
      9        1.1      is  *
     10        1.1      is  * Redistribution and use in source and binary forms, with or without
     11        1.1      is  * modification, are permitted provided that the following conditions
     12        1.1      is  * are met:
     13        1.1      is  * 1. Redistributions of source code must retain the above copyright
     14        1.1      is  *    notice, this list of conditions and the following disclaimer.
     15        1.1      is  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1      is  *    notice, this list of conditions and the following disclaimer in the
     17        1.1      is  *    documentation and/or other materials provided with the distribution.
     18        1.1      is  *
     19        1.2      is  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20        1.2      is  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21        1.2      is  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22        1.2      is  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23        1.2      is  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24        1.2      is  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25        1.2      is  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26        1.2      is  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27        1.2      is  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28        1.2      is  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29        1.2      is  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1      is  */
     31        1.4      is #include <machine/asm.h>
     32        1.1      is 
     33        1.4      is ENTRY_NOPROFILE(__muldi3)
     34        1.6  mhitch 	movml %d2/%d3/%d4/%d5/%d6,%sp@-	| 0..4 regs, 5 %pc, 6..9 parameters
     35        1.6  mhitch 	movml %sp@(24),%d2-%d5
     36        1.5      is |	movl %sp@(24),%d2
     37        1.5      is |	movl %sp@(28),%d3
     38        1.5      is |	movl %sp@(32),%d4
     39        1.5      is |	movl %sp@(36),%d5
     40        1.5      is 	movq #0,%d0
     41        1.5      is 	movq #0,%d1
     42        1.5      is 	movq #63,%d6
     43        1.1      is L4:
     44        1.5      is 	asrl #1,%d2
     45        1.5      is 	roxrl #1,%d3
     46        1.1      is 	jcc L5
     47        1.6  mhitch 	addl %d5,%d1
     48        1.6  mhitch 	addxl %d4,%d0
     49        1.1      is L5:
     50        1.6  mhitch 	addl %d5,%d5
     51        1.6  mhitch 	addxl %d4,%d4
     52        1.1      is L7:
     53        1.5      is 	dbra %d6,L4
     54        1.6  mhitch 	movml %sp@+,%d2/%d3/%d4/%d5/%d6
     55        1.1      is 	rts
     56