Below is the file 'optimtest' from this revision. You can also download the file.
#!/bin/sh
OUTPUT=
for COPTIM in -O0 -O1 -O2 -O3 -Os
do
	make clean
	make COPTIM=$COPTIM
	SIZE=`ls -l quad.bin | awk '{ print \$5 }'`
	LINE="$COPTIM: $SIZE"
	OUTPUT="$OUTPUT $LINE"
done
make clean
echo $OUTPUT