From 7bd6bb10737eebfed5c2d3e6443f2af0f56caeb0 Mon Sep 17 00:00:00 2001
From: Peter Cai <peter@typeblog.net>
Date: Thu, 10 Jun 2021 18:28:34 +0800
Subject: [PATCH] Makefile: enable -O3

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 6b9ad93..a9909a1 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ INCS        := \
 	$(foreach path, ${VPATH}, -I ${path}) \
 	$(foreach path, ${VARIANTS}, -I ${path}) \
 
-CFLAGS      := -Os -DF_CPU=16000000UL ${MMCU} ${INCS}
+CFLAGS      := -O3 -DF_CPU=16000000UL ${MMCU} ${INCS}
 # Generate sections for each function and variable
 # so that LD can eliminate unused functions and variables
 CFLAGS      += -ffunction-sections -fdata-sections