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Cleanup

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This commit is contained in:
Victor Zverovich 2015-02-20 08:51:01 -08:00
parent 27e0bf72c0
commit 2418a84f02
1 changed files with 6 additions and 6 deletions
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12
format.h
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@ -50,6 +50,12 @@
namespace fmt { namespace fmt {
namespace internal { namespace internal {
# pragma intrinsic(_BitScanReverse) # pragma intrinsic(_BitScanReverse)
inline uint32_t builtin_clz(uint32_t x) {
unsigned long r = 0;
_BitScanReverse(&r, x);
return 31 - r;
}
# define FMT_BUILTIN_CLZ(n) fmt::internal::builtin_clz(n)
# ifdef _WIN64 # ifdef _WIN64
# pragma intrinsic(_BitScanReverse64) # pragma intrinsic(_BitScanReverse64)
inline uint32_t builtin_clzll(uint64_t n) { inline uint32_t builtin_clzll(uint64_t n) {
@ -59,12 +65,6 @@ inline uint32_t builtin_clzll(uint64_t n) {
} }
# define FMT_BUILTIN_CLZLL(n) fmt::internal::builtin_clzll(n) # define FMT_BUILTIN_CLZLL(n) fmt::internal::builtin_clzll(n)
# endif # endif
inline uint32_t builtin_clz(uint32_t x) {
unsigned long r = 0;
_BitScanReverse(&r, x);
return 31 - r;
}
# define FMT_BUILTIN_CLZ(n) fmt::internal::builtin_clz(n)
} }
} }
#endif #endif