riscv/rocket-chip
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rename Unsigned.size to Unsigned.clog2

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This commit is contained in:
Andrew Waterman 2014-06-06 16:59:55 -07:00
parent 3828c628c3
commit 7bffc6c586
1 changed files with 2 additions and 2 deletions
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4
rocket/src/main/scala/util.scala
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@ -6,10 +6,10 @@ import scala.math._
class Unsigned(x: Int) { class Unsigned(x: Int) {
require(x >= 0) require(x >= 0)
def size: Int = { require(x > 0); ceil(log(x)/log(2)).toInt } def clog2: Int = { require(x > 0); ceil(log(x)/log(2)).toInt }
def log2: Int = { require(x > 0); floor(log(x)/log(2)).toInt } def log2: Int = { require(x > 0); floor(log(x)/log(2)).toInt }
def isPow2: Boolean = x > 0 && (x & (x-1)) == 0 def isPow2: Boolean = x > 0 && (x & (x-1)) == 0
def nextPow2: Int = if (x == 0) 1 else 1 << size def nextPow2: Int = if (x == 0) 1 else 1 << clog2
} }
object Util { object Util {