| /* |
| * 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 */ |
