| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004-2006 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 | .Lnot_word_aligned: |
| 10 | ld.uh r8, r11++ |
| 11 | sub r10, 1 |
| 12 | st.h r12[0], r8 |
| 13 | |
| 14 | .global __raw_writesw |
| 15 | .type __raw_writesw,@function |
| 16 | __raw_writesw: |
| 17 | cp.w r10, 0 |
| 18 | mov r9, 3 |
| 19 | reteq r12 |
| 20 | tst r11, r9 |
| 21 | brne .Lnot_word_aligned |
| 22 | |
| 23 | sub r10, 2 |
| 24 | brlt 2f |
| 25 | |
| 26 | 1: ld.w r8, r11++ |
| 27 | bfextu r9, r8, 16, 16 |
| 28 | st.h r12[0], r9 |
| 29 | st.h r12[0], r8 |
| 30 | sub r10, 2 |
| 31 | brge 1b |
| 32 | |
| 33 | 2: sub r10, -2 |
| 34 | reteq r12 |
| 35 | |
| 36 | ld.uh r8, r11++ |
| 37 | st.h r12[0], r8 |
| 38 | retal r12 |