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| -rw-r--r-- | src/main/scala/utils.scala | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/main/scala/utils.scala b/src/main/scala/utils.scala index 0fb275d6..804ed12e 100644 --- a/src/main/scala/utils.scala +++ b/src/main/scala/utils.scala @@ -29,6 +29,16 @@ object isPow2 def apply(in: Int): Boolean = in > 0 && ((in & (in-1)) == 0) } +object Log2 { + def apply(x: UInt, width: Int): UInt = { + if (width < 2) UInt(0) + else Mux(x(width-1), UInt(width-1), apply(x, width-1)) + } + + // TODO: infer the width in the backend + def apply(x: UInt): UInt = apply(x, x.getWidth) +} + object FillInterleaved { def apply(n: Int, in: Bits): Bits = apply(n, in.toBools) |