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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 12:17:01 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-18 12:17:01 -0400
commitcb41838bbc4403f7270a94b93a9a0d9fc9c2e7ea (patch)
tree0f359975ccad4ac72e86b8edf1924c076e74bd89 /arch/alpha
parent98f01720cbe3e2eb719682777049b6514e9db556 (diff)
parentc59bd5688299cddb71183e156e7a3c1409b90df2 (diff)
Merge branch 'core-hweight-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* '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
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/include/asm/bitops.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 15f3ae25c511..296da1d5ed57 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -405,29 +405,31 @@ static inline int fls(int x)
405 405
406#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67) 406#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
407/* Whee. EV67 can calculate it directly. */ 407/* Whee. EV67 can calculate it directly. */
408static inline unsigned long hweight64(unsigned long w) 408static inline unsigned long __arch_hweight64(unsigned long w)
409{ 409{
410 return __kernel_ctpop(w); 410 return __kernel_ctpop(w);
411} 411}
412 412
413static inline unsigned int hweight32(unsigned int w) 413static inline unsigned int __arch_weight32(unsigned int w)
414{ 414{
415 return hweight64(w); 415 return __arch_hweight64(w);
416} 416}
417 417
418static inline unsigned int hweight16(unsigned int w) 418static inline unsigned int __arch_hweight16(unsigned int w)
419{ 419{
420 return hweight64(w & 0xffff); 420 return __arch_hweight64(w & 0xffff);
421} 421}
422 422
423static inline unsigned int hweight8(unsigned int w) 423static inline unsigned int __arch_hweight8(unsigned int w)
424{ 424{
425 return hweight64(w & 0xff); 425 return __arch_hweight64(w & 0xff);
426} 426}
427#else 427#else
428#include <asm-generic/bitops/hweight.h> 428#include <asm-generic/bitops/arch_hweight.h>
429#endif 429#endif
430 430
431#include <asm-generic/bitops/const_hweight.h>
432
431#endif /* __KERNEL__ */ 433#endif /* __KERNEL__ */
432 434
433#include <asm-generic/bitops/find.h> 435#include <asm-generic/bitops/find.h>