From e6efc859398498c3a08a3f36e82c63a706ae0d7e Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Fri, 2 Mar 2007 22:19:41 +0000 Subject: [PATCH] Fix uninitialized use of variable. Remove tabs and fix identation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34850 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/MathExtras.h | 38 +++++++++++++++---------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index 03b52b0678e..3b80d8d1037 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -205,10 +205,10 @@ inline unsigned CountTrailingZeros_32(unsigned Value) { #if __GNUC__ >= 4 return Value ? __builtin_ctz(Value) : 32; #else - const unsigned Mod37BitPosition[] = {32, 0, 1, 26, 2, 23, 27, 0, 3, 16, 24, 30, 28, 11, 0, 13, - 4, 7, 17, 0, 25, 22, 31, 15, 29, 10, 12, 6, 0, 21, 14, 9, - 5, 20, 8, 19, 18 }; - return Mod37BitPosition[(-Value & Value) % 37]; + const unsigned Mod37BitPosition[] = {32, 0, 1, 26, 2, 23, 27, 0, 3, 16, 24, 30, 28, 11, 0, 13, + 4, 7, 17, 0, 25, 22, 31, 15, 29, 10, 12, 6, 0, 21, 14, 9, + 5, 20, 8, 19, 18 }; + return Mod37BitPosition[(-Value & Value) % 37]; #endif } @@ -220,12 +220,12 @@ inline unsigned CountTrailingZeros_64(uint64_t Value) { #if __GNUC__ >= 4 return Value ? __builtin_ctzll(Value) : 64; #else - const unsigned Mod67Position[] = { 64, 0, 1, 39, 2, 15, 40, 23, 3, 12, 16, 59, 41, 19, 24, 54, - 4, 64, 13, 10, 17, 62, 60, 28, 42, 30, 20, 51, 25, 44, 55, - 47, 5, 32, 65, 38, 14, 22, 11, 58, 18, 53, 63, 9, 61, 27, - 29, 50, 43, 46, 31, 37, 21, 57, 52, 8, 26, 49, 45, 36, 56, - 7, 48, 35, 6, 34, 33, 0 }; - return Mod67Position[(-Value & Value) % 67]; + const unsigned Mod67Position[] = {64, 0, 1, 39, 2, 15, 40, 23, 3, 12, 16, 59, 41, 19, 24, 54, + 4, 64, 13, 10, 17, 62, 60, 28, 42, 30, 20, 51, 25, 44, 55, + 47, 5, 32, 65, 38, 14, 22, 11, 58, 18, 53, 63, 9, 61, 27, + 29, 50, 43, 46, 31, 37, 21, 57, 52, 8, 26, 49, 45, 36, 56, + 7, 48, 35, 6, 34, 33, 0 }; + return Mod67Position[(-Value & Value) % 67]; #endif } @@ -236,9 +236,9 @@ inline unsigned CountPopulation_32(uint32_t Value) { #if __GNUC__ >= 4 return __builtin_popcount(Value); #else - uint32_t v = v - ((v >> 1) & 0x55555555); - v = (v & 0x33333333) + ((v >> 2) & 0x33333333); - return ((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24; + uint32_t v = Value - ((Value >> 1) & 0x55555555); + v = (v & 0x33333333) + ((v >> 2) & 0x33333333); + return ((v + (v >> 4) & 0xF0F0F0F) * 0x1010101) >> 24; #endif } @@ -248,10 +248,10 @@ inline unsigned CountPopulation_64(uint64_t Value) { #if __GNUC__ >= 4 return __builtin_popcountll(Value); #else - uint64_t v = Value - ((Value >> 1) & 0x5555555555555555ULL); - v = (v & 0x3333333333333333ULL) + ((v >> 2) & 0x3333333333333333ULL); - v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL; - return (uint64_t)(v * 0x0101010101010101ULL) >> 56; + uint64_t v = Value - ((Value >> 1) & 0x5555555555555555ULL); + v = (v & 0x3333333333333333ULL) + ((v >> 2) & 0x3333333333333333ULL); + v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL; + return (uint64_t)(v * 0x0101010101010101ULL) >> 56; #endif } @@ -259,13 +259,13 @@ inline unsigned CountPopulation_64(uint64_t Value) { /// -1 if the value is zero. (32 bit edition.) /// Ex. Log2_32(32) == 5, Log2_32(1) == 0, Log2_32(0) == -1, Log2_32(6) == 2 inline unsigned Log2_32(unsigned Value) { - return 31 - CountLeadingZeros_32(Value); + return 31 - CountLeadingZeros_32(Value); } /// Log2_64 - This function returns the floor log base 2 of the specified value, /// -1 if the value is zero. (64 bit edition.) inline unsigned Log2_64(uint64_t Value) { - return 63 - CountLeadingZeros_64(Value); + return 63 - CountLeadingZeros_64(Value); } /// Log2_32_Ceil - This function returns the ceil log base 2 of the specified -- 2.34.1