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- From: Felix Fietkau <nbd@nbd.name>
- Subject: kernel: add -mtune=34kc to MIPS CFLAGS when building for mips32r2
- This provides a good tradeoff across at least 24Kc-74Kc, while also
- producing smaller code.
- Signed-off-by: Felix Fietkau <nbd@nbd.name>
- ---
- arch/mips/Makefile | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
- --- a/arch/mips/Makefile
- +++ b/arch/mips/Makefile
- @@ -161,7 +161,7 @@ cflags-$(CONFIG_CPU_VR41XX) += -march=r4
- cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
- cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
- cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
- -cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
- +cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -mtune=34kc -Wa,--trap
- cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
- cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
- cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
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