From 103b9565814c180884cceed7de30fa0181db58fe Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Sun, 17 Sep 2017 23:25:20 -0400
Subject: [PATCH] Default to -O2 for Verilator itself, for 20%+

---
 src/Makefile_obj.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile_obj.in b/src/Makefile_obj.in
index 76578821a..2435dd1d0 100644
--- a/src/Makefile_obj.in
+++ b/src/Makefile_obj.in
@@ -75,7 +75,7 @@ TGT = ../../verilator_bin
 #################
 ifeq ($(VL_DEBUG),)
 # Optimize
-COPT = -O
+COPT = -O2
 else
 # Debug
 COPT = -ggdb -DVL_DEBUG