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| author | Jonas Gorski <jogo@openwrt.org> | 2012-02-02 08:23:54 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2012-02-02 08:23:54 +0000 |
| commit | eca9950f63ec4491a7bd6138174ac08595184e1b (patch) | |
| tree | a21d36b4e93a079ce234258a3a82b97dd82c10bf /target/linux/generic/patches-3.3/201-extra_optimization.patch | |
| parent | c336de3d85efb1a1150825870b7cbff4f7a65366 (diff) | |
| download | mtk-20170518-eca9950f63ec4491a7bd6138174ac08595184e1b.zip mtk-20170518-eca9950f63ec4491a7bd6138174ac08595184e1b.tar.gz mtk-20170518-eca9950f63ec4491a7bd6138174ac08595184e1b.tar.bz2 | |
kernel: add preliminary support for linux 3.3
Based on 3.3-rc2
SVN-Revision: 29986
Diffstat (limited to 'target/linux/generic/patches-3.3/201-extra_optimization.patch')
| -rw-r--r-- | target/linux/generic/patches-3.3/201-extra_optimization.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/201-extra_optimization.patch b/target/linux/generic/patches-3.3/201-extra_optimization.patch new file mode 100644 index 0000000..6fe8b09 --- /dev/null +++ b/target/linux/generic/patches-3.3/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- a/Makefile ++++ b/Makefile +@@ -559,9 +559,9 @@ endif # $(dot-config) + all: vmlinux + + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +-KBUILD_CFLAGS += -Os ++KBUILD_CFLAGS += -Os -fno-caller-saves + else +-KBUILD_CFLAGS += -O2 ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves + endif + + include $(srctree)/arch/$(SRCARCH)/Makefile +@@ -620,6 +620,9 @@ endif + NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) + CHECKFLAGS += $(NOSTDINC_FLAGS) + ++# improve gcc optimization ++CFLAGS += $(call cc-option,-funit-at-a-time,) ++ + # warn about C99 declaration after statement + KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) + |