diff options
| author | Richard Lin | 2016-11-21 13:44:26 -0800 |
|---|---|---|
| committer | GitHub | 2016-11-21 13:44:26 -0800 |
| commit | 3b4755716a74d4711efa3ce6799742479e17e80b (patch) | |
| tree | 56652eaa478d5dfd8cddfbe2795c0123d39d230d /src/main/scala/chisel3/util/CircuitMath.scala | |
| parent | cd6eb41275381a4399a8a88c886110d276bb805c (diff) | |
| parent | 81e5d00d18a5ba9ae33c10219a270148002fc672 (diff) | |
Merge pull request #372 from ucb-bar/onetrueliteral
Standardize the One True Way of specifying literals
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..a422b5fe 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), (width-1).asUInt, 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) |
