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Diffstat (limited to 'arch/frv/lib/__muldi3.S')
| -rw-r--r-- | arch/frv/lib/__muldi3.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/frv/lib/__muldi3.S b/arch/frv/lib/__muldi3.S new file mode 100644 index 000000000000..2703d9b79361 --- /dev/null +++ b/arch/frv/lib/__muldi3.S | |||
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| 1 | /* __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 | ||