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
This commit is contained in:
Felix Fietkau
2011-03-26 01:07:12 +00:00
parent 963b90bb5a
commit 335877a2b3
25 changed files with 32 additions and 32 deletions

View File

@@ -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