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/*
* Coldfire muldi3 assembly verion
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Jason Jin Jason.Jin@freescale.com
* Shrek Wu B16972@freescale.com
*/
#include <linux/linkage.h>
.globl __muldi3
ENTRY(__muldi3)
linkw %fp,#0
lea %sp@(-32),%sp
moveml %d2-%d7/%a2-%a3,%sp@
moveal %fp@(8), %a2
moveal %fp@(12), %a3
moveal %fp@(16), %a0
moveal %fp@(20),%a1
movel %a3,%d2
andil #65535,%d2
movel %a3,%d3
clrw %d3
swap %d3
movel %a1,%d0
andil #65535,%d0
movel %a1,%d1
clrw %d1
swap %d1
movel %d2,%d7
mulsl %d0,%d7
movel %d2,%d4
mulsl %d1,%d4
movel %d3,%d2
mulsl %d0,%d2
mulsl %d1,%d3
movel %d7,%d0
clrw %d0
swap %d0
addl %d0,%d4
addl %d2,%d4
cmpl %d4,%d2
blss 1f
addil #65536,%d3
1:
movel %d4,%d0
clrw %d0
swap %d0
movel %d3,%d5
addl %d0,%d5
movew %d4,%d6
swap %d6
movew %d7,%d6
movel %d5,%d0
movel %d6,%d1
movel %a3,%d2
movel %a0,%d3
mulsl %d3,%d2
movel %a2,%d3
movel %a1,%d4
mulsl %d4,%d3
addl %d3,%d2
movel %d2,%d0
addl %d5,%d0
moveml %sp@, %d2-%d7/%a2-%a3
lea %sp@(32),%sp
unlk %fp
rts
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