From 8d984e3e021bf8d89def1a6e5529727e0a254c65 Mon Sep 17 00:00:00 2001
From: Minyong Li <ml10g20@soton.ac.uk>
Date: Mon, 23 Aug 2021 21:16:20 +0100
Subject: [PATCH] core.BaseQuarterRound: use better methods
---
src/main/scala/uk/ac/soton/ecs/can/core/BaseQuarterRound.scala | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/src/main/scala/uk/ac/soton/ecs/can/core/BaseQuarterRound.scala b/src/main/scala/uk/ac/soton/ecs/can/core/BaseQuarterRound.scala
index e855983..caeef24 100644
--- a/src/main/scala/uk/ac/soton/ecs/can/core/BaseQuarterRound.scala
+++ b/src/main/scala/uk/ac/soton/ecs/can/core/BaseQuarterRound.scala
@@ -9,6 +9,5 @@ abstract class BaseQuarterRound extends MultiIOModule {
val in = IO(Input(Vec(4, UInt(32.W))))
val out = IO(Output(Vec(4, UInt(32.W))))
- protected def rotateLeft(v: UInt, b: Int): UInt =
- v(31 - b, 0) ## v(31, 32 - b)
+ protected def rotateLeft(v: UInt, b: Int): UInt = v.tail(b) ## v.head(b)
}
--
GitLab