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add __builtin__popcount() for ImportC (#20790)

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Walter Bright 2025-01-27 14:25:04 -08:00 • committed by GitHub
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6
druntime/src/__importc_builtins.di
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@ -86,6 +86,12 @@ version (DigitalMars)
return core.bitop.bswap(value);
}
uint __builtin__popcount()(ulong value)
{
import core.bitop;
return core.bitop._popcnt(value);
}
// Lazily imported on first use
private alias c_long = imported!"core.stdc.config".c_long;