From f6ceb966a6d45934fb5ebf157f4e4f30652ea8ca Mon Sep 17 00:00:00 2001
From: kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 21 Jan 2011 17:52:22 +0000
Subject: [target/generic]: preliminary 2.6.38 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25057 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../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 000000000..4984fad29
--- /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,)
+ 
-- 
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