From c700e57cc7b1ec4cd15dc1d5342bc9053308b8b8 Mon Sep 17 00:00:00 2001 From: Imre Kaloz Date: Fri, 21 Jan 2011 17:52:22 +0000 Subject: preliminary 2.6.38 support SVN-Revision: 25057 --- .../patches-2.6.38/012-extra_optimization.patch | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 target/linux/generic/patches-2.6.38/012-extra_optimization.patch (limited to 'target/linux/generic/patches-2.6.38/012-extra_optimization.patch') diff --git a/target/linux/generic/patches-2.6.38/012-extra_optimization.patch b/target/linux/generic/patches-2.6.38/012-extra_optimization.patch new file mode 100644 index 0000000000..4984fad29b --- /dev/null +++ b/target/linux/generic/patches-2.6.38/012-extra_optimization.patch @@ -0,0 +1,21 @@ +--- a/Makefile ++++ b/Makefile +@@ -541,7 +541,7 @@ all: vmlinux + ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE + KBUILD_CFLAGS += -Os + else +-KBUILD_CFLAGS += -O2 ++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch + endif + + include $(srctree)/arch/$(SRCARCH)/Makefile +@@ -596,6 +596,9 @@ 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,) + -- cgit v1.2.3