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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-02-14 21:16:14 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:15 +0100 |
| commit | 9cfde2028bc487982a4bfb0d20d2ca76366fa80d (patch) | |
| tree | 3fc934f460b6d036da3005c5514ba5c3b3fb5e93 | |
| parent | 21a151d8ca3aa74ee79f9791a9d4dc370d3e0636 (diff) | |
| download | linux-9cfde2028bc487982a4bfb0d20d2ca76366fa80d.tar.gz linux-9cfde2028bc487982a4bfb0d20d2ca76366fa80d.tar.bz2 linux-9cfde2028bc487982a4bfb0d20d2ca76366fa80d.zip | |
[MIPS] Optimize get_unaligned / put_unaligned implementations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | include/asm-mips/unaligned.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/include/asm-mips/unaligned.h b/include/asm-mips/unaligned.h index a0042563838a..3249049e93aa 100644 --- a/include/asm-mips/unaligned.h +++ b/include/asm-mips/unaligned.h @@ -3,12 +3,27 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 1999, 2000, 2001, 2003 by Ralf Baechle - * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) */ -#ifndef _ASM_UNALIGNED_H -#define _ASM_UNALIGNED_H +#ifndef __ASM_GENERIC_UNALIGNED_H +#define __ASM_GENERIC_UNALIGNED_H -#include <asm-generic/unaligned.h> +#include <linux/compiler.h> -#endif /* _ASM_UNALIGNED_H */ +#define get_unaligned(ptr) \ +({ \ + struct __packed { \ + typeof(*(ptr)) __v; \ + } *__p = (void *) (ptr); \ + __p->__v; \ +}) + +#define put_unaligned(val, ptr) \ +do { \ + struct __packed { \ + typeof(*(ptr)) __v; \ + } *__p = (void *) (ptr); \ + __p->__v = (val); \ +} while(0) + +#endif /* __ASM_GENERIC_UNALIGNED_H */ |