Commit cade92d0 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
Browse files

include: add popcountll() variant of popcount() for long long

parent 4b251be5
......@@ -557,6 +557,23 @@ static inline unsigned popcount (unsigned x)
#endif
}
/** Bit weight of long long */
VLC_USED
static inline int popcountll(unsigned long long x)
{
#if VLC_GCC_VERSION(3,4)
return __builtin_popcountll(x);
#else
int count = 0;
while (x)
{
count += x & 1;
x = x >> 1;
}
return count;
#endif
}
VLC_USED
static inline unsigned parity (unsigned x)
{
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment