From fc00f29076aa8171dd238d1d70607ee6abbbba7a Mon Sep 17 00:00:00 2001
From: Alex AUVOLAT <alex.auvolat@ens.fr>
Date: Tue, 12 Nov 2013 23:50:04 +0100
Subject: Improvemenet of pow2 (suggested by T.Bourke)

---
 README      | 17 +++++++++++++++++
 csim/util.c |  5 +----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/README b/README
index e982ffd..911f578 100644
--- a/README
+++ b/README
@@ -244,3 +244,20 @@ as decimal (this enables the use of whichever representation is preferred).
 
 
 
+TODO
+----
+
+- More advanced commands for the simulator (cf Jonathan's simulator)
+- RAM reads give result immediately
+
+NEXT STEPS
+----------
+
+- Define convention for processor input/output
+- Code UI
+- How can we generate netlists with ocaml code ?
+- Code processor
+
+
+
+
diff --git a/csim/util.c b/csim/util.c
index a09e959..ef0ae32 100644
--- a/csim/util.c
+++ b/csim/util.c
@@ -10,10 +10,7 @@
 #include "sim.h"
 
 int pow2(int exp) {
-	if (exp == 0) return 1;
-	if (exp == 1) return 2;
-	int k = pow2(exp / 2);
-	return (exp % 2 == 0 ? k * k : 2 * k * k);
+	return (1 << exp);
 }
 
 t_value read_bool(FILE *stream, t_value *mask) {
-- 
cgit v1.2.3