33 lines
1 KiB
ArmAsm
33 lines
1 KiB
ArmAsm
|
/* __muldi3.S: 64-bit multiply
|
||
|
|
*
|
||
|
|
* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the License, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
.text
|
||
|
|
.p2align 4
|
||
|
|
|
||
|
|
###############################################################################
|
||
|
|
#
|
||
|
|
# unsigned long long __muldi3(unsigned long long x [GR8:GR9],
|
||
|
|
# unsigned long long y [GR10:GR11])
|
||
|
|
#
|
||
|
|
###############################################################################
|
||
|
|
.globl __muldi3, __mulll, __umulll
|
||
|
|
.type __muldi3,@function
|
||
|
|
__muldi3:
|
||
|
|
__mulll:
|
||
|
|
__umulll:
|
||
|
|
umul gr8,gr11,gr4 ; GR4:GR5 = x.MSW * y.LSW
|
||
|
|
umul gr9,gr10,gr6 ; GR6:GR7 = x.LSW * y.MSW
|
||
|
|
umul.p gr9,gr11,gr8 ; GR8:GR9 = x.LSW * y.LSW
|
||
|
|
add gr5,gr7,gr5
|
||
|
|
add.p gr8,gr5,gr8 ; GR8 += GR5 + GR7
|
||
|
|
bralr
|
||
|
|
.size __muldi3, .-__muldi3
|