- 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=$(DEFAULT_CFLAGS_mips)
- DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
- DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
- 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 -fno-caller-saves)
+ 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
+ ifeq ($(ARCH),aarch64)
+ CPU_TYPE ?= armv8-a
+ CPU_CFLAGS_armv8-a = -mcpu=armv8-a
+ endif
+ DEFAULT_CFLAGS=$(strip $(CPU_CFLAGS) $(CPU_CFLAGS_$(CPU_TYPE)) $(CPU_CFLAGS_$(CPU_SUBTYPE)))