target/linux/generic/pending-4.14/302-mips_no_branch_likely.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Subject: mips: use -mno-branch-likely for kernel and userspace
   3
   4 saves ~11k kernel size after lzma and ~12k squashfs size in the
   5
   6 lede-commit: 41a039f46450ffae9483d6216422098669da2900
   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 --- a/arch/mips/Makefile
  13 +++ b/arch/mips/Makefile
  14 @@ -90,7 +90,7 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
  15  # machines may also.  Since BFD is incredibly buggy with respect to
  16  # crossformat linking we rely on the elf2ecoff tool for format conversion.
  17  #
  18 -cflags-y                       += -G 0 -mno-abicalls -fno-pic -pipe
  19 +cflags-y                       += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
  20  cflags-y                       += -msoft-float
  21  LDFLAGS_vmlinux                        += -G 0 -static -n -nostdlib
  22  KBUILD_AFLAGS_MODULE           += -mlong-calls