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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>
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@ -187,11 +187,8 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += \
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# Some -march= flags enable MMI instructions, and GCC complains about that
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# support being enabled alongside -msoft-float. Thus explicitly disable MMI.
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cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-mno-loongson-mmi)
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ifdef CONFIG_CPU_LOONGSON64
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cflags-$(CONFIG_CPU_LOONGSON64) += -Wa,--trap
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cflags-$(CONFIG_CC_IS_GCC) += -march=loongson3a
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cflags-$(CONFIG_CC_IS_CLANG) += -march=mips64r2
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endif
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cflags-$(CONFIG_CPU_LOONGSON64) += \
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$(call cc-option,-march=loongson3a,-march=mips64r2) -Wa,--trap
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cflags-$(CONFIG_CPU_LOONGSON64) += $(call cc-option,-mno-loongson-mmi)
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cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
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