| /* |
| * 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. |
| */ |
| |
| .text |
| .Lnot_word_aligned: |
| 1: ld.ub r8, r11++ |
| sub r10, 1 |
| st.b r12[0], r8 |
| reteq r12 |
| tst r11, r9 |
| brne 1b |
| |
| /* fall through */ |
| |
| .global __raw_writesb |
| .type __raw_writesb,@function |
| __raw_writesb: |
| cp.w r10, 0 |
| mov r9, 3 |
| reteq r12 |
| |
| tst r11, r9 |
| brne .Lnot_word_aligned |
| |
| sub r10, 4 |
| brlt 2f |
| |
| 1: ld.w r8, r11++ |
| bfextu r9, r8, 24, 8 |
| st.b r12[0], r9 |
| bfextu r9, r8, 16, 8 |
| st.b r12[0], r9 |
| bfextu r9, r8, 8, 8 |
| st.b r12[0], r9 |
| st.b r12[0], r8 |
| sub r10, 4 |
| brge 1b |
| |
| 2: sub r10, -4 |
| reteq r12 |
| |
| 3: ld.ub r8, r11++ |
| sub r10, 1 |
| st.b r12[0], r8 |
| brne 3b |
| |
| retal r12 |