diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-08-31 09:45:21 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-08-31 09:45:46 +0200 |
commit | daab7fc734a53fdeaf844b7c03053118ad1769da (patch) | |
tree | 575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /arch/mips/include/asm/arch_hweight.h | |
parent | 774ea0bcb27f57b6fd521b3b6c43237782fed4b9 (diff) | |
parent | 2bfc96a127bc1cc94d26bfaa40159966064f9c8c (diff) |
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts:
arch/x86/kernel/trampoline.c
mm/memblock.c
Merge reason: Resolve the conflicts, update to latest upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 00000000000..712a7445ee9 --- /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 */ |