Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6240d92f authored by Paul Mundt's avatar Paul Mundt Committed by Paul Mundt
Browse files

sh: Wrap CPU tuning through cc-option. 



Some compilers don't support the explicit CPU tuning, while binutils
is still able to handle the special subtype-specific opcodes. Make
the CFLAG optional, falling back on the compiler default if nothing
better exists.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent fa1ec92e

arch/sh/Makefile

+7 −5
Original line number Diff line number Diff line
@@ -34,12 +34,14 @@ isa-y := $(isa-y)-nofpu 
endif

endif



cflags-$(CONFIG_CPU_SH2)		:= -m2

cflags-$(CONFIG_CPU_SH2A)		:= -m2a $(call cc-option,-m2a-nofpu,)

cflags-$(CONFIG_CPU_SH3)		:= -m3

cflags-$(CONFIG_CPU_SH4)		:= -m4 \

cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)

cflags-$(CONFIG_CPU_SH2A)		:= $(call cc-option,-m2a,) \

					   $(call cc-option,-m2a-nofpu,)

cflags-$(CONFIG_CPU_SH3)		:= $(call cc-option,-m3,)

cflags-$(CONFIG_CPU_SH4)		:= $(call cc-option,-m4,) \

	$(call cc-option,-mno-implicit-fp,-m4-nofpu)

cflags-$(CONFIG_CPU_SH4A)		:= $(call cc-option,-m4a,) $(call cc-option,-m4a-nofpu,)

cflags-$(CONFIG_CPU_SH4A)		:= $(call cc-option,-m4a,) \

					   $(call cc-option,-m4a-nofpu,)



cflags-$(CONFIG_CPU_BIG_ENDIAN)		+= -mb

cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	+= -ml