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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-09 14:09:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-09 14:09:29 +0100 |
| commit | 054d5c9238f3c577ad51195c3ee7803613f322cc (patch) | |
| tree | ff7d9f5c0e0ddf14230ba28f28ef69a2c0a0debf /arch/mips/include/asm/arch_hweight.h | |
| parent | 11e4afb49b7fa1fc8e1ffd850c1806dd86a08204 (diff) | |
| parent | 2192482ee5ce5d5d4a6cec0c351b2d3a744606eb (diff) | |
| download | talos-op-linux-054d5c9238f3c577ad51195c3ee7803613f322cc.tar.gz talos-op-linux-054d5c9238f3c577ad51195c3ee7803613f322cc.zip | |
Merge branch 'devel-stable' into devel
Diffstat (limited to 'arch/mips/include/asm/arch_hweight.h')
| -rw-r--r-- | arch/mips/include/asm/arch_hweight.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/include/asm/arch_hweight.h b/arch/mips/include/asm/arch_hweight.h new file mode 100644 index 000000000000..712a7445ee93 --- /dev/null +++ b/arch/mips/include/asm/arch_hweight.h @@ -0,0 +1,38 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ +#ifndef _ASM_ARCH_HWEIGHT_H +#define _ASM_ARCH_HWEIGHT_H + +#ifdef ARCH_HAS_USABLE_BUILTIN_POPCOUNT + +#include <asm/types.h> + +static inline unsigned int __arch_hweight32(unsigned int w) +{ + return __builtin_popcount(w); +} + +static inline unsigned int __arch_hweight16(unsigned int w) +{ + return __builtin_popcount(w & 0xffff); +} + +static inline unsigned int __arch_hweight8(unsigned int w) +{ + return __builtin_popcount(w & 0xff); +} + +static inline unsigned long __arch_hweight64(__u64 w) +{ + return __builtin_popcountll(w); +} + +#else +#include <asm-generic/bitops/arch_hweight.h> +#endif + +#endif /* _ASM_ARCH_HWEIGHT_H */ |
