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- /*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
- #ifndef _ASM_TILE_SWAB_H
- #define _ASM_TILE_SWAB_H
- /* Tile gcc is always >= 4.3.0, so we use __builtin_bswap. */
- #define __arch_swab32(x) __builtin_bswap32(x)
- #define __arch_swab64(x) __builtin_bswap64(x)
- /* Use the variant that is natural for the wordsize. */
- #ifdef CONFIG_64BIT
- #define __arch_swab16(x) (__builtin_bswap64(x) >> 48)
- #else
- #define __arch_swab16(x) (__builtin_bswap32(x) >> 16)
- #endif
- #endif /* _ASM_TILE_SWAB_H */
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