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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* __muldi3.S: 64-bit multiply
2 *
3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12 .text
13 .p2align 4
14
15###############################################################################
16#
17# unsigned long long __muldi3(unsigned long long x [GR8:GR9],
18# unsigned long long y [GR10:GR11])
19#
20###############################################################################
21 .globl __muldi3, __mulll, __umulll
22 .type __muldi3,@function
23__muldi3:
24__mulll:
25__umulll:
26 umul gr8,gr11,gr4 ; GR4:GR5 = x.MSW * y.LSW
27 umul gr9,gr10,gr6 ; GR6:GR7 = x.LSW * y.MSW
28 umul.p gr9,gr11,gr8 ; GR8:GR9 = x.LSW * y.LSW
29 add gr5,gr7,gr5
30 add.p gr8,gr5,gr8 ; GR8 += GR5 + GR7
31 bralr
32 .size __muldi3, .-__muldi3