diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/308-mips32r2_tune.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/308-mips32r2_tune.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/308-mips32r2_tune.patch b/target/linux/generic/pending-5.4/308-mips32r2_tune.patch new file mode 100644 index 0000000000..8636511464 --- /dev/null +++ b/target/linux/generic/pending-5.4/308-mips32r2_tune.patch @@ -0,0 +1,22 @@ +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 +@@ -177,7 +177,7 @@ 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 |