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Function core.bitop._popcnt
Calculates the number of set bits in an integer using the X86 SSE4 POPCNT instruction. POPCNT is not available on all X86 CPUs.
ushort _popcnt
(
ushort x
) pure nothrow @nogc @safe;
int _popcnt
(
uint x
) pure nothrow @nogc @safe;
int _popcnt
(
ulong x
) pure nothrow @nogc @safe;
Authors
Don Clugston, Sean Kelly, Walter Bright, Alex Rønne Petersen, Thomas Stuart Bockman
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.