kernel: split patches folder up into backport, pending and hack folders
[openwrt/openwrt.git] / target / linux / generic / pending-4.9 / 308-mips32r2_tune.patch
1 From: Felix Fietkau <nbd@nbd.name>
2 Subject: kernel: add -mtune=34kc to MIPS CFLAGS when building for mips32r2
3
4 This provides a good tradeoff across at least 24Kc-74Kc, while also
5 producing smaller code.
6
7 Signed-off-by: Felix Fietkau <nbd@nbd.name>
8 ---
9 arch/mips/Makefile | 2 +-
10 1 file changed, 1 insertion(+), 1 deletion(-)
11
12 diff --git a/arch/mips/Makefile b/arch/mips/Makefile
13 index 77bf5db20d65..1ac83e281f90 100644
14 --- a/arch/mips/Makefile
15 +++ b/arch/mips/Makefile
16 @@ -148,7 +148,7 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
17 cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
18 cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
19 -Wa,-mips32 -Wa,--trap
20 -cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
21 +cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2 -mtune=34kc,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
22 -Wa,-mips32r2 -Wa,--trap
23 cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap
24 cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
25 --
26 2.11.0
27