diff options
Diffstat (limited to 'pr/include/prbit.h')
| -rw-r--r-- | pr/include/prbit.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/pr/include/prbit.h b/pr/include/prbit.h index 8a9f53cf..50c65923 100644 --- a/pr/include/prbit.h +++ b/pr/include/prbit.h @@ -18,18 +18,18 @@ PR_BEGIN_EXTERN_C defined(_M_ARM64)) # include <intrin.h> # pragma intrinsic(_BitScanForward,_BitScanReverse) - __forceinline static int __prBitScanForward32(unsigned int val) - { +__forceinline static int __prBitScanForward32(unsigned int val) +{ unsigned long idx; _BitScanForward(&idx, (unsigned long)val); return( (int)idx ); - } - __forceinline static int __prBitScanReverse32(unsigned int val) - { +} +__forceinline static int __prBitScanReverse32(unsigned int val) +{ unsigned long idx; _BitScanReverse(&idx, (unsigned long)val); return( (int)(31-idx) ); - } +} # define pr_bitscan_ctz32(val) __prBitScanForward32(val) # define pr_bitscan_clz32(val) __prBitScanReverse32(val) # define PR_HAVE_BUILTIN_BITSCAN32 @@ -76,20 +76,20 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i); #else #define PR_CEILING_LOG2(_log2,_n) \ PR_BEGIN_MACRO \ - PRUint32 j_ = (PRUint32)(_n); \ + PRUint32 j_ = (PRUint32)(_n); \ (_log2) = 0; \ if ((j_) & ((j_)-1)) \ - (_log2) += 1; \ + (_log2) += 1; \ if ((j_) >> 16) \ - (_log2) += 16, (j_) >>= 16; \ + (_log2) += 16, (j_) >>= 16; \ if ((j_) >> 8) \ - (_log2) += 8, (j_) >>= 8; \ + (_log2) += 8, (j_) >>= 8; \ if ((j_) >> 4) \ - (_log2) += 4, (j_) >>= 4; \ + (_log2) += 4, (j_) >>= 4; \ if ((j_) >> 2) \ - (_log2) += 2, (j_) >>= 2; \ + (_log2) += 2, (j_) >>= 2; \ if ((j_) >> 1) \ - (_log2) += 1; \ + (_log2) += 1; \ PR_END_MACRO #endif /* PR_HAVE_BUILTIN_BITSCAN32 */ @@ -108,18 +108,18 @@ NSPR_API(PRIntn) PR_FloorLog2(PRUint32 i); #else #define PR_FLOOR_LOG2(_log2,_n) \ PR_BEGIN_MACRO \ - PRUint32 j_ = (PRUint32)(_n); \ + PRUint32 j_ = (PRUint32)(_n); \ (_log2) = 0; \ if ((j_) >> 16) \ - (_log2) += 16, (j_) >>= 16; \ + (_log2) += 16, (j_) >>= 16; \ if ((j_) >> 8) \ - (_log2) += 8, (j_) >>= 8; \ + (_log2) += 8, (j_) >>= 8; \ if ((j_) >> 4) \ - (_log2) += 4, (j_) >>= 4; \ + (_log2) += 4, (j_) >>= 4; \ if ((j_) >> 2) \ - (_log2) += 2, (j_) >>= 2; \ + (_log2) += 2, (j_) >>= 2; \ if ((j_) >> 1) \ - (_log2) += 1; \ + (_log2) += 1; \ PR_END_MACRO #endif /* PR_HAVE_BUILTIN_BITSCAN32 */ |