From 6abe3cd0ef6c04108b1728797830ebfd1827ecaa Mon Sep 17 00:00:00 2001
From: Dan Halbert <halbert@halwitz.org>
Date: Mon, 14 Dec 2020 18:57:31 -0500
Subject: [PATCH] -Os for SAMD51; fix CSUPEROPT typo

---
 ports/atmel-samd/Makefile | 6 +++---
 py/py.mk                  | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/ports/atmel-samd/Makefile b/ports/atmel-samd/Makefile
index dc7b4e4c89..c214d56f0c 100644
--- a/ports/atmel-samd/Makefile
+++ b/ports/atmel-samd/Makefile
@@ -94,21 +94,21 @@ endif
 
 ifeq ($(CHIP_FAMILY), samd51)
 PERIPHERALS_CHIP_FAMILY=sam_d5x_e5x
-OPTIMIZATION_FLAGS ?= -O2
+OPTIMIZATION_FLAGS ?= -Os
 # TinyUSB defines
 CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_SAMD51 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024
 endif
 
 ifeq ($(CHIP_FAMILY), same51)
 PERIPHERALS_CHIP_FAMILY=sam_d5x_e5x
-OPTIMIZATION_FLAGS ?= -O2
+OPTIMIZATION_FLAGS ?= -Os
 # TinyUSB defines
 CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_SAME5X -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024
 endif
 
 ifeq ($(CHIP_FAMILY), same54)
 PERIPHERALS_CHIP_FAMILY=sam_d5x_e5x
-OPTIMIZATION_FLAGS ?= -O2
+OPTIMIZATION_FLAGS ?= -Os
 # TinyUSB defines
 CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_SAME5X -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024
 endif
diff --git a/py/py.mk b/py/py.mk
index 1a8f1219a5..3f94aa67a0 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -19,7 +19,7 @@ endif
 QSTR_GLOBAL_DEPENDENCIES += $(PY_SRC)/mpconfig.h mpconfigport.h
 
 # some code is performance bottleneck and compiled with other optimization options
-_CSUPEROPT = -O3
+CSUPEROPT = -O3
 
 # this sets the config file for FatFs
 CFLAGS_MOD += -DFFCONF_H=\"lib/oofatfs/ffconf.h\"