kernel: use -fno-caller-saves

SVN-Revision: 26301
2011-03-26 01:07:16 +00:00
parent 335877a2b3
commit b2b0770576
2 changed files with 13 additions and 7 deletions
--- a/target/linux/generic/patches-2.6.38/012-extra_optimization.patch
+++ b/target/linux/generic/patches-2.6.38/012-extra_optimization.patch
@@ -1,11 +1,14 @@
 --- a/Makefile
 +++ b/Makefile
-@@ -541,7 +541,7 @@ all: vmlinux
+@@ -539,9 +539,9 @@ endif # $(dot-config)
+ all: vmlinux
+ 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
- KBUILD_CFLAGS	+= -Os
+-KBUILD_CFLAGS	+= -Os
+KBUILD_CFLAGS	+= -Os -fno-caller-saves
 else
 -KBUILD_CFLAGS	+= -O2
-+KBUILD_CFLAGS	+= -O2 -fno-reorder-blocks -fno-tree-ch
+KBUILD_CFLAGS	+= -O2 -fno-reorder-blocks -fno-tree-ch -fno-caller-saves
 endif
 
 include $(srctree)/arch/$(SRCARCH)/Makefile