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Fix uninitialized use of variable. Remove tabs and fix identation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34850 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2007-03-02 22:19:41 +00:00
parent f7dcfa81c5
commit e6efc85939
1 changed files with 19 additions and 19 deletions
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38
include/llvm/Support/MathExtras.h
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@ -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