| /* |
| * Copyright (C) 2004-2006 Atmel Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| .Lnot_word_aligned: |
| /* |
| * Bad alignment will cause a hardware exception, which is as |
| * good as anything. No need for us to check for proper alignment. |
| */ |
| ld.uh r8, r12[0] |
| sub r10, 1 |
| st.h r11++, r8 |
| |
| /* fall through */ |
| |
| .global __raw_readsw |
| .type __raw_readsw,@function |
| __raw_readsw: |
| cp.w r10, 0 |
| reteq r12 |
| mov r9, 3 |
| tst r11, r9 |
| brne .Lnot_word_aligned |
| |
| sub r10, 2 |
| brlt 2f |
| |
| 1: ldins.h r8:t, r12[0] |
| ldins.h r8:b, r12[0] |
| st.w r11++, r8 |
| sub r10, 2 |
| brge 1b |
| |
| 2: sub r10, -2 |
| reteq r12 |
| |
| ld.uh r8, r12[0] |
| st.h r11++, r8 |
| retal r12 |
