add config option to trade mul/div area for speed

2013-01-06 03:47:17 -08:00
parent ce9f4881d2
commit 78868f6075
2 changed files with 4 additions and 2 deletions
--- a/rocket/src/main/scala/tile.scala
+++ b/rocket/src/main/scala/tile.scala
@ -10,7 +10,8 @@ case class RocketConfiguration(ntiles: Int, co: CoherencePolicyWithUncached,
                               icache: ICacheConfig, dcache: DCacheConfig,
                               fpu: Boolean, vec: Boolean,
                               fastLoadWord: Boolean = true,
-                               fastLoadByte: Boolean = false)
+                               fastLoadByte: Boolean = false,
+                               fastMulDiv: Boolean = true)
 {
  val dcacheReqTagBits = 9 // enforce compliance with require()
  val xprlen = 64