2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1996, 99, 2003 by Ralf Baechle
11 #include <linux/compiler.h>
12 #include <linux/types.h>
14 #define __SWAB_64_THRU_32__
16 #if (defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
17 defined(_MIPS_ARCH_LOONGSON3A)
19 static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
23 " .set arch=mips32r2 \n"
31 #define __arch_swab16 __arch_swab16
33 static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
37 " .set arch=mips32r2 \n"
46 #define __arch_swab32 __arch_swab32
49 * Having already checked for MIPS R2, enable the optimized version for
50 * 64-bit kernel on r2 CPUs.
53 static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
57 " .set arch=mips64r2 \n"
66 #define __arch_swab64 __arch_swab64
68 #endif /* MIPS R2 or newer or Loongson 3A */
69 #endif /* _ASM_SWAB_H */