target.mk: change CPU_CFLAGS to better suit target CPUs
-march forces the compiler to generate generic code, whereas -mcpu allows it to target the specific CPU variant and use instructions that the generic architecture may not have Signed-off-by: Felix Fietkau <nbd@nbd.name>
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1 changed files with 13 additions and 13 deletions
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@ -183,19 +183,19 @@ ifeq ($(DUMP),1)
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endif
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ifneq ($(findstring arm,$(ARCH)),)
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CPU_TYPE ?= xscale
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CPU_CFLAGS_arm920t = -march=armv4t -mtune=arm920t
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CPU_CFLAGS_arm926ej-s = -march=armv5te -mtune=arm926ej-s
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CPU_CFLAGS_arm1136j-s = -march=armv6 -mtune=arm1136j-s
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CPU_CFLAGS_arm1176jzf-s = -march=armv6 -mtune=arm1176jzf-s
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CPU_CFLAGS_cortex-a5 = -march=armv7-a -mtune=cortex-a5
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CPU_CFLAGS_cortex-a7 = -march=armv7-a -mtune=cortex-a7
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CPU_CFLAGS_cortex-a8 = -march=armv7-a -mtune=cortex-a8
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CPU_CFLAGS_cortex-a9 = -march=armv7-a -mtune=cortex-a9
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CPU_CFLAGS_cortex-a15 = -march=armv7-a -mtune=cortex-a15
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CPU_CFLAGS_cortex-a53 = -march=armv8-a -mtune=cortex-a53
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CPU_CFLAGS_fa526 = -march=armv4 -mtune=fa526
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CPU_CFLAGS_mpcore = -march=armv6k -mtune=mpcore
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CPU_CFLAGS_xscale = -march=armv5te -mtune=xscale
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CPU_CFLAGS_arm920t = -mcpu=arm920t
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CPU_CFLAGS_arm926ej-s = -mcpu=arm926ej-s
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CPU_CFLAGS_arm1136j-s = -mcpu=arm1136j-s
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CPU_CFLAGS_arm1176jzf-s = -mcpu=arm1176jzf-s
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CPU_CFLAGS_cortex-a5 = -mcpu=cortex-a5
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CPU_CFLAGS_cortex-a7 = -mcpu=cortex-a7
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CPU_CFLAGS_cortex-a8 = -mcpu=cortex-a8
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CPU_CFLAGS_cortex-a9 = -mcpu=cortex-a9
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CPU_CFLAGS_cortex-a15 = -mcpu=cortex-a15
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CPU_CFLAGS_cortex-a53 = -mcpu=cortex-a53
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CPU_CFLAGS_fa526 = -mcpu=fa526
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CPU_CFLAGS_mpcore = -mcpu=mpcore
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CPU_CFLAGS_xscale = -mcpu=xscale
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ifeq ($(CONFIG_SOFT_FLOAT),)
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CPU_CFLAGS_neon = -mfpu=neon
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CPU_CFLAGS_vfp = -mfpu=vfp
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