33 lines
1.0 KiB
ArmAsm
33 lines
1.0 KiB
ArmAsm
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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 (dhowells@redhat.com)
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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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