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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/frv/lib/__muldi3.S
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/* __muldi3.S:	64-bit multiply

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 *

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 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.

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 * Written by David Howells ([email protected])

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 *

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 * This program is free software; you can redistribute it and/or

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 * modify it under the terms of the GNU General Public License

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 * as published by the Free Software Foundation; either version

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 * 2 of the License, or (at your option) any later version.

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 */

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        .text

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        .p2align	4

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###############################################################################

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#

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# unsigned long long __muldi3(unsigned long long x [GR8:GR9],

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#                             unsigned long long y [GR10:GR11])

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#

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###############################################################################

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        .globl		__muldi3, __mulll, __umulll

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        .type		__muldi3,@function

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__muldi3:

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__mulll:

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__umulll:

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	umul		gr8,gr11,gr4		; GR4:GR5 = x.MSW * y.LSW

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	umul		gr9,gr10,gr6		; GR6:GR7 = x.LSW * y.MSW

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	umul.p		gr9,gr11,gr8		; GR8:GR9 = x.LSW * y.LSW

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	add		gr5,gr7,gr5

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	add.p		gr8,gr5,gr8		; GR8 += GR5 + GR7

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	bralr

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	.size		__muldi3, .-__muldi3

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