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pru: Compile with -Os instead of -O2

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The gcc -Os option significantly reduces the size of the PRU binary
and it has little impact on performance.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-08-14 13:59:41 -04:00
parent 4b5109c1b9
commit 71bb7acb8e
2 changed files with 2 additions and 2 deletions
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2
src/pru/Makefile
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@@ -6,7 +6,7 @@ CROSS_PREFIX=pru-
dirs-y += src/pru src/generic
dirs-y += lib/pru_rpmsg
CFLAGS += -minrt -mmcu=am335x.pru1
CFLAGS += -Os -minrt -mmcu=am335x.pru1
CFLAGS += -Ilib/pru_rpmsg/include -Ilib/pru_rpmsg/include/am335x
CFLAGS_klipper.elf := $(filter-out -mmcu=%, $(CFLAGS))