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| author | Felix Fietkau <nbd@openwrt.org> | 2012-12-28 19:17:19 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2012-12-28 19:17:19 +0000 |
| commit | 41a039f46450ffae9483d6216422098669da2900 (patch) | |
| tree | a5a1e6dd1828f1a8eb5adf672d49098dc71a88f7 /target/linux/generic/patches-3.7 | |
| parent | e7719bb4aa7830d5422281421a0f5f6e0d3675d8 (diff) | |
| download | mtk-20170518-41a039f46450ffae9483d6216422098669da2900.zip mtk-20170518-41a039f46450ffae9483d6216422098669da2900.tar.gz mtk-20170518-41a039f46450ffae9483d6216422098669da2900.tar.bz2 | |
mips: use -mno-branch-likely for kernel and userspace, saves ~11k kernel size after lzma and ~12k squashfs size in the default configuration
SVN-Revision: 34909
Diffstat (limited to 'target/linux/generic/patches-3.7')
| -rw-r--r-- | target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch b/target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch new file mode 100644 index 0000000..1da9540 --- /dev/null +++ b/target/linux/generic/patches-3.7/302-mips_no_branch_likely.patch @@ -0,0 +1,11 @@ +--- 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 + KBUILD_AFLAGS_MODULE += -mlong-calls |