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Merge branch 'core-hweight-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'core-hweight-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, hweight: Use a 32-bit popcnt for __arch_hweight32()
  arch, hweight: Fix compilation errors
  x86: Add optimized popcnt variants
  bitops: Optimize hweight() by making use of compile-time evaluation
This commit is contained in:
Linus Torvalds
2010-05-18 09:17:01 -07:00
parent 98f01720cb c59bd56882
commit cb41838bbc
14 changed files with 188 additions and 62 deletions
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11
arch/sparc/include/asm/bitops_64.h
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@@ -44,7 +44,7 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr);
#ifdef ULTRA_HAS_POPULATION_COUNT
static inline unsigned int hweight64(unsigned long w)
static inline unsigned int __arch_hweight64(unsigned long w)
{
unsigned int res;
@@ -52,7 +52,7 @@ static inline unsigned int hweight64(unsigned long w)
return res;
}
static inline unsigned int hweight32(unsigned int w)
static inline unsigned int __arch_hweight32(unsigned int w)
{
unsigned int res;
@@ -60,7 +60,7 @@ static inline unsigned int hweight32(unsigned int w)
return res;
}
static inline unsigned int hweight16(unsigned int w)
static inline unsigned int __arch_hweight16(unsigned int w)
{
unsigned int res;
@@ -68,7 +68,7 @@ static inline unsigned int hweight16(unsigned int w)
return res;
}
static inline unsigned int hweight8(unsigned int w)
static inline unsigned int __arch_hweight8(unsigned int w)
{
unsigned int res;
@@ -78,9 +78,10 @@ static inline unsigned int hweight8(unsigned int w)
#else
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/arch_hweight.h>
#endif
#include <asm-generic/bitops/const_hweight.h>
#include <asm-generic/bitops/lock.h>
#endif /* __KERNEL__ */