Chisel

Log2

object Log2

Compute Log2 with truncation of a UInt in hardware using a Mux Tree An alternative interpretation is it computes the minimum number of bits needed to represent x

Source
Log2.scala
Example: 

  1. data_out := Log2(data_in)
Note

Truncation is used so Log2(UInt(12412)) = 13

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  1. final def !=(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. def apply(x: Bits, n: Int): UInt

    Compute the Log2 on the least significant n bits of x

  7. def apply(x: Bits): UInt

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