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MIPS: Loongson64: test for -march=loongson3a cflag 

Currently march flag is hardcoded to loongson3a for GCC and
mips64r2 for clang.

We can actually test it to simplify the code.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Jiaxun Yang 2024-02-02 18:21:44 +00:00 committed by Thomas Bogendoerfer
parent e7a30874b3
commit 8a61869706
1 changed files with 2 additions and 5 deletions
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7
arch/mips/Makefile
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@ -187,11 +187,8 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += \
# Some -march= flags enable MMI instructions, and GCC complains about that
# support being enabled alongside -msoft-float. Thus explicitly disable MMI.
cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
ifdef CONFIG_CPU_LOONGSON64
cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap
cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a
cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2
endif
cflags-$(CONFIG_CPU_LOONGSON64) += \
$(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap
cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)