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- /*
- * 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
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