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5f97f7f9 HS |
1 | /* |
2 | * Copyright (C) 2005-2006 Atmel Corporation | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | /* | |
10 | * DWtype __avr32_lsl64(DWtype u, word_type b) | |
11 | */ | |
12 | .text | |
13 | .global __avr32_lsl64 | |
14 | .type __avr32_lsl64,@function | |
15 | __avr32_lsl64: | |
16 | cp.w r12, 0 | |
17 | reteq r12 | |
18 | ||
19 | rsub r9, r12, 32 | |
20 | brle 1f | |
21 | ||
22 | lsr r8, r10, r9 | |
23 | lsl r10, r10, r12 | |
24 | lsl r11, r11, r12 | |
25 | or r11, r8 | |
26 | retal r12 | |
27 | ||
28 | 1: neg r9 | |
29 | lsl r11, r10, r9 | |
30 | mov r10, 0 | |
31 | retal r12 |