From 9cfde2028bc487982a4bfb0d20d2ca76366fa80d Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 14 Feb 2007 21:16:14 +0000 Subject: [PATCH] [MIPS] Optimize get_unaligned / put_unaligned implementations. Signed-off-by: Ralf Baechle --- include/asm-mips/unaligned.h | 27 +++++++++++++++++++++------ 1 file 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 +#include -#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 */