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const_hweight.h

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ #define _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ /* * Compile time versions of __arch_hweightN() */ #define __const_hweight8(w) \ ((unsigned int) \ ((!!((w) & (1ULL << 0))) + \ (!!((w) & (1ULL << 1))) + \ (!!((w) & (1ULL << 2))) + \ (!!((w) & (1ULL << 3))) + \ (!!((w) & (1ULL << 4))) + \ (!!((w) & (1ULL << 5))) + \ (!!((w) & (1ULL << 6))) + \ (!!((w) & (1ULL << 7))))) #define __const_hweight16(w) (__const_hweight8(w) + __const_hweight8((w) >> 8 )) #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16)) #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32)) /* * Generic interface. */ #define hweight8(w) (__builtin_constant_p(w) ? __const_hweight8(w) : __arch_hweight8(w)) #define hweight16(w) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w)) #define hweight32(w) (__builtin_constant_p(w) ? __const_hweight32(w) : __arch_hweight32(w)) #define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w)) /* * Interface for known constant arguments */ #define HWEIGHT8(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight8(w)) #define HWEIGHT16(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w)) #define HWEIGHT32(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight32(w)) #define HWEIGHT64(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight64(w)) /* * Type invariant interface to the compile time constant hweight functions. */ #define HWEIGHT(w) HWEIGHT64((u64)w) #endif /* _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ */

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/src/linux-headers-6.8.0-100/include/asm-generic/bitops

	.		4096
	..		4096
X	__ffs.h		777
X	__fls.h		920
X	arch_hweight.h		555
X	atomic.h		1672
X	builtin-__ffs.h		379
X	builtin-__fls.h		436
X	builtin-ffs.h		364
X	builtin-fls.h		412
X	const_hweight.h		1711
X	ext2-atomic-setbit.h		403
X	ext2-atomic.h		600
X	ffs.h		644
X	ffz.h		325
X	fls.h		683
X	fls64.h		860
X	generic-non-atomic.h		5310
X	hweight.h		254
X	instrumented-atomic.h		3058
X	instrumented-lock.h		2705
X	instrumented-non-atomic.h		4863
X	le.h		1335
X	lock.h		2125
X	non-atomic.h		701
X	non-instrumented-non-atomic.h		588
X	sched.h		760