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More multicast work...

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This commit is contained in:
Adam Ierymenko 2019-09-10 16:20:28 -07:00
parent 592e743349
commit bccb86a401
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GPG key ID: C8877CF2D7A5D7F3
7 changed files with 410 additions and 230 deletions
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13
node/Utils.hpp
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@ -280,6 +280,12 @@ public:
return true;
}
#ifdef __GNUC__
static ZT_ALWAYS_INLINE unsigned int countBits(const uint8_t v) { return (unsigned int)__builtin_popcount((unsigned int)v); }
static ZT_ALWAYS_INLINE unsigned int countBits(const uint16_t v) { return (unsigned int)__builtin_popcount((unsigned int)v); }
static ZT_ALWAYS_INLINE unsigned int countBits(const uint32_t v) { return (unsigned int)__builtin_popcountl((unsigned long)v); }
static ZT_ALWAYS_INLINE unsigned int countBits(const uint64_t v) { return (unsigned int)__builtin_popcountll((unsigned long long)v); }
#else
/**
* Count the number of bits set in an integer
*
@ -287,15 +293,16 @@ public:
* @return Number of bits set in this integer (0-bits in integer)
*/
template<typename T>
static ZT_ALWAYS_INLINE uint64_t countBits(T v)
static ZT_ALWAYS_INLINE unsigned int countBits(T v)
{
v = v - ((v >> 1) & (T)~(T)0/3);
v = (v & (T)~(T)0/15*3) + ((v >> 2) & (T)~(T)0/15*3);
v = (v + (v >> 4)) & (T)~(T)0/255*15;
return (T)(v * ((~((T)0))/((T)255))) >> ((sizeof(T) - 1) * 8);
return (unsigned int)((v * ((~((T)0))/((T)255))) >> ((sizeof(T) - 1) * 8));
}
#endif
// Byte swappers for big/little endian conversion
// Byte swappers for big/little endian conversion
#if __BYTE_ORDER == __LITTLE_ENDIAN
static ZT_ALWAYS_INLINE uint8_t hton(uint8_t n) { return n; }
static ZT_ALWAYS_INLINE int8_t hton(int8_t n) { return n; }