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atsam: Remove gcc -mfpu=fpv4-sp-d16 floating point option 

The floating point unit must be enabled in order to use it and Klipper
does not currently implement that.  Newer versions of gcc may spill
registers to the floating point unit causing failures.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-10-30 01:10:15 -04:00
parent 2692e493c8
commit 45d4970712
1 changed files with 0 additions and 1 deletions
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src/atsam/Makefile
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@ -12,7 +12,6 @@ MCU := $(shell echo $(CONFIG_MCU) | tr a-z A-Z)
CFLAGS-$(CONFIG_MACH_SAM3X) += -mcpu=cortex-m3 -falign-loops=16
CFLAGS-$(CONFIG_MACH_SAM4) += -mcpu=cortex-m4
CFLAGS-$(CONFIG_MACH_SAM4E) += -mfpu=fpv4-sp-d16 -mfloat-abi=hard
CFLAGS-$(CONFIG_MACH_SAM3X) += -Ilib/sam3x/include
CFLAGS-$(CONFIG_MACH_SAM4S) += -Ilib/sam4s/include
CFLAGS-$(CONFIG_MACH_SAM4E) += -Ilib/sam4e/include