From a50e0e707635e05dbf60a59fc0de75c141258c6d Mon Sep 17 00:00:00 2001 From: kaloz Date: Sun, 18 Nov 2012 18:52:38 +0000 Subject: [generic]: add 3.7-rc6 support (patch 820 still has to be fixed) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34247 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches-3.7/201-extra_optimization.patch | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 target/linux/generic/patches-3.7/201-extra_optimization.patch (limited to 'target/linux/generic/patches-3.7/201-extra_optimization.patch') diff --git a/target/linux/generic/patches-3.7/201-extra_optimization.patch b/target/linux/generic/patches-3.7/201-extra_optimization.patch new file mode 100644 index 000000000..d94d2cf3a --- /dev/null +++ b/target/linux/generic/patches-3.7/201-extra_optimization.patch @@ -0,0 +1,24 @@ +--- a/Makefile ++++ b/Makefile +@@ -570,9 +570,9 @@ 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 +@@ -645,6 +645,9 @@ 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