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authorFelix Fietkau <nbd@openwrt.org>2011-03-26 01:07:12 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-03-26 01:07:12 +0000
commit335877a2b3220b9b0a901fe7af038c04ca1a2e8b (patch)
tree01e31e4de2584776d90dd776e505dfa637933e13 /include
parent963b90bb5a2124d4afafbea7e55bbda0a8b0e4a2 (diff)
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global cflags: remove -funit-at-a-time, it is ignored by recent compilers. instead add -fno-caller-saves, which improves compression ratio for generated code with no apparent negative effects on performance
SVN-Revision: 26300
Diffstat (limited to 'include')
-rw-r--r--include/target.mk16
1 files changed, 8 insertions, 8 deletions
diff --git a/include/target.mk b/include/target.mk
index ef5a656..e1f4dc6 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -157,17 +157,17 @@ ifeq ($(DUMP),1)
# remove duplicates
FEATURES:=$(sort $(FEATURES))
endif
- DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -funit-at-a-time
- DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -funit-at-a-time
- DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -funit-at-a-time
- DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time
+ DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -fno-caller-saves
+ DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -fno-caller-saves
+ DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -fno-caller-saves
+ DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -fno-caller-saves
DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
- DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -funit-at-a-time
+ DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
- DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -funit-at-a-time
- DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time
+ DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -fno-caller-saves
+ DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
- DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -funit-at-a-time)
+ DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -fno-caller-saves)
endif
define BuildTargets/DumpCurrent