- CPU_CFLAGS = -Os -pipe
- ifneq ($(findstring mips,$(ARCH)),)
- ifneq ($(findstring mips64,$(ARCH)),)
- CPU_TYPE ?= mips64
- else
- CPU_TYPE ?= mips32
- endif
- CPU_CFLAGS += -mno-branch-likely
- CPU_CFLAGS_mips32 = -mips32 -mtune=mips32
- CPU_CFLAGS_mips32r2 = -mips32r2 -mtune=mips32r2
- CPU_CFLAGS_mips64 = -mips64 -mtune=mips64 -mabi=64
- CPU_CFLAGS_24kec = -mips32r2 -mtune=24kec
- CPU_CFLAGS_34kc = -mips32r2 -mtune=34kc
- CPU_CFLAGS_74kc = -mips32r2 -mtune=74kc
- CPU_CFLAGS_octeon = -march=octeon -mabi=64
- CPU_CFLAGS_dsp = -mdsp
- CPU_CFLAGS_dsp2 = -mdspr2
- endif
- ifeq ($(ARCH),i386)
- CPU_TYPE ?= i486
- CPU_CFLAGS_i486 = -march=i486
- CPU_CFLAGS_geode = -march=geode -mmmx -m3dnow
- endif
- ifneq ($(findstring arm,$(ARCH)),)
- CPU_TYPE ?= xscale
- CPU_CFLAGS_arm920t = -march=armv4t -mtune=arm920t
- CPU_CFLAGS_arm926ej-s = -march=armv5te -mtune=arm926ej-s
- CPU_CFLAGS_arm1136j-s = -march=armv6 -mtune=arm1136j-s
- CPU_CFLAGS_arm1176jzf-s = -march=armv6 -mtune=arm1176jzf-s
- CPU_CFLAGS_cortex-a5 = -march=armv7-a -mtune=cortex-a5
- CPU_CFLAGS_cortex-a7 = -march=armv7-a -mtune=cortex-a7
- CPU_CFLAGS_cortex-a8 = -march=armv7-a -mtune=cortex-a8
- CPU_CFLAGS_cortex-a9 = -march=armv7-a -mtune=cortex-a9
- CPU_CFLAGS_cortex-a15 = -march=armv7-a -mtune=cortex-a15
- CPU_CFLAGS_fa526 = -march=armv4 -mtune=fa526
- CPU_CFLAGS_mpcore = -march=armv6k -mtune=mpcore
- CPU_CFLAGS_xscale = -march=armv5te -mtune=xscale
- ifeq ($(CONFIG_SOFT_FLOAT),)
- CPU_CFLAGS_neon = -mfpu=neon
- CPU_CFLAGS_vfp = -mfpu=vfp
- CPU_CFLAGS_vfpv3 = -mfpu=vfpv3-d16
- endif
- endif
- ifeq ($(ARCH),powerpc)
- CPU_CFLAGS_603e:=-mcpu=603e
- CPU_CFLAGS_8540:=-mcpu=8540
- CPU_CFLAGS_405:=-mcpu=405
- CPU_CFLAGS_440:=-mcpu=440
- endif
- ifeq ($(ARCH),sparc)
- CPU_TYPE = sparc
- CPU_CFLAGS_ultrasparc = -mcpu=ultrasparc
- endif
- DEFAULT_CFLAGS=$(strip $(CPU_CFLAGS) $(CPU_CFLAGS_$(CPU_TYPE)) $(CPU_CFLAGS_$(CPU_SUBTYPE)))