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openwrt-master/target/linux/generic/pending-6.6/302-mips_no_branch_likely.patch
domenico c06fb25d1f
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Initial commit
2025-06-24 14:35:53 +02:00

23 lines
847 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Subject: mips: use -mno-branch-likely for kernel and userspace
saves ~11k kernel size after lzma and ~12k squashfs size in the
lede-commit: 41a039f46450ffae9483d6216422098669da2900
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
@@ -94,7 +94,7 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
# machines may also. Since BFD is incredibly buggy with respect to
# crossformat linking we rely on the elf2ecoff tool for format conversion.
#
-cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float -Wa,-msoft-float
LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
KBUILD_AFLAGS_MODULE += -mlong-calls