diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-03-26 01:07:12 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-03-26 01:07:12 +0000 |
| commit | d46648401aee20c4983693e87620f84563e41cb6 (patch) | |
| tree | 382c5fca0553805fc90c7540e5d3154787ba9786 /include | |
| parent | b179f71e7dbb7419149069faaaeff8fa06daa85c (diff) | |
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
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26300 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'include')
| -rw-r--r-- | include/target.mk | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/target.mk b/include/target.mk index ef5a65665c..e1f4dc6ca9 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 |