openwrtv4/target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch
Felix Fietkau 8933b918cd kernel: use -ffunction-sections, -fdata-sections and --gc-sections on mips
in combination with kernel symbol export stripping this significantly reduces
the kernel image size

SVN-Revision: 35320
2013-01-26 16:26:13 +00:00

11 lines
503 B
Diff

--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -87,7 +87,7 @@ 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
LDFLAGS_vmlinux += -G 0 -static -n -nostdlib --gc-sections
KBUILD_AFLAGS_MODULE += -mlong-calls