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Commit aea71dbd authored by Damien George's avatar Damien George
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stm32/Makefile: Use -O2 to optimise compilation of lib/libc/string0.c.

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ports/stm32/Makefile
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...@@ -350,6 +350,11 @@ OBJ += $(addprefix $(BUILD)/, $(SRC_USBDEV:.c=.o)) ...@@ -350,6 +350,11 @@ OBJ += $(addprefix $(BUILD)/, $(SRC_USBDEV:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
OBJ += $(BUILD)/pins_$(BOARD).o OBJ += $(BUILD)/pins_$(BOARD).o
# This file contains performance critical functions so turn up the optimisation
# level. It doesn't add much to the code size and improves performance a bit.
# Don't use -O3 with this file because gcc tries to optimise memset in terms of itself.
$(BUILD)/lib/libc/string0.o: COPT += -O2
# We put several files into the first 16K section with the ISRs. # We put several files into the first 16K section with the ISRs.
# If we compile these using -O0 then it won't fit. So if you really want these # If we compile these using -O0 then it won't fit. So if you really want these
# to be compiled with -O0, then edit boards/common.ld (in the .isr_vector section) # to be compiled with -O0, then edit boards/common.ld (in the .isr_vector section)
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