diff options
Diffstat (limited to 'src/main/scala/chisel3/util/CircuitMath.scala')
| -rw-r--r-- | src/main/scala/chisel3/util/CircuitMath.scala | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/main/scala/chisel3/util/CircuitMath.scala b/src/main/scala/chisel3/util/CircuitMath.scala index d478e10e..83e5feb1 100644 --- a/src/main/scala/chisel3/util/CircuitMath.scala +++ b/src/main/scala/chisel3/util/CircuitMath.scala @@ -10,15 +10,15 @@ import chisel3._ object Log2 { /** Returns the base-2 integer logarithm of the least-significant `width` bits of an UInt. * - * @note The result is truncated, so e.g. Log2(UInt(13)) === UInt(3) + * @note The result is truncated, so e.g. Log2(13.U) === 3.U */ def apply(x: Bits, width: Int): UInt = { if (width < 2) { - UInt(0) + 0.U } else if (width == 2) { x(1) } else if (width <= divideAndConquerThreshold) { - Mux(x(width-1), UInt(width-1), apply(x, width-1)) + Mux(x(width-1), UInt((width-1).W), apply(x, width-1)) } else { val mid = 1 << (log2Ceil(width) - 1) val hi = x(width-1, mid) @@ -30,7 +30,7 @@ object Log2 { /** Returns the base-2 integer logarithm of an UInt. * - * @note The result is truncated, so e.g. Log2(UInt(13)) === UInt(3) + * @note The result is truncated, so e.g. Log2(13.U) === 3.U */ def apply(x: Bits): UInt = apply(x, x.getWidth) |