renegade-project/linux-next
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1527bc8b92
linux-next/include/asm-generic/bitops
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Peter Zijlstra 1527bc8b92 bitops: Optimize hweight() by making use of compile-time evaluation 
Rename the extisting runtime hweight() implementations to
__arch_hweight(), rename the compile-time versions to __const_hweight()
and then have hweight() pick between them.

Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100318111929.GB11152@aftab>
Acked-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <1265028224.24455.154.camel@laptop>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-04-06 15:52:11 -07:00
..
__ffs.h x86, generic: mark complex bitops.h inlines as __always_inline 2009-01-13 18:56:30 +01:00
__fls.h x86, generic: mark complex bitops.h inlines as __always_inline 2009-01-13 18:56:30 +01:00
arch_hweight.h bitops: Optimize hweight() by making use of compile-time evaluation 2010-04-06 15:52:11 -07:00
atomic.h locking: Convert __raw_spin* functions to arch_spin* 2009-12-14 23:55:32 +01:00
const_hweight.h bitops: Optimize hweight() by making use of compile-time evaluation 2010-04-06 15:52:11 -07:00
ext2-atomic.h [PATCH] bitops: generic ext2_{set,clear}_bit_atomic() 2006-03-26 08:57:11 -08:00
ext2-non-atomic.h ext4: Add ext4_find_next_bit() 2008-01-28 23:58:27 -05:00
ffs.h [PATCH] bitops: generic ffs() 2006-03-26 08:57:11 -08:00
ffz.h [PATCH] bitops: generic ffz() 2006-03-26 08:57:10 -08:00
find.h x86, generic: optimize find_next_(zero_)bit for small constant-size bitmaps 2008-04-26 19:21:16 +02:00
fls64.h x86, generic: mark complex bitops.h inlines as __always_inline 2009-01-13 18:56:30 +01:00
fls.h x86, generic: mark complex bitops.h inlines as __always_inline 2009-01-13 18:56:30 +01:00
hweight.h bitops: Optimize hweight() by making use of compile-time evaluation 2010-04-06 15:52:11 -07:00
le.h ext4: Add ext4_find_next_bit() 2008-01-28 23:58:27 -05:00
lock.h bitops: introduce lock ops 2007-10-18 14:37:29 -07:00
minix-le.h [PATCH] bitops: generic minix_{test,set,test_and_clear,test,find_first_zero}_bit() 2006-03-26 08:57:11 -08:00
minix.h [PATCH] bitops: generic minix_{test,set,test_and_clear,test,find_first_zero}_bit() 2006-03-26 08:57:11 -08:00
non-atomic.h define first set of BIT* macros 2007-10-19 11:53:42 -07:00
sched.h sched: simplify sched_find_first_bit() 2007-07-09 18:52:00 +02:00