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| author | Steve Kondik <shade@chemlab.org> | 2013-02-16 19:03:02 -0800 |
|---|---|---|
| committer | Steve Kondik <shade@chemlab.org> | 2013-02-16 20:16:32 -0800 |
| commit | 90e13bc8a703d1f7807cee7b1d11f399e8d494b4 (patch) | |
| tree | 5977e73acfe963162999e796c0df52810e727e28 | |
| parent | c408754c8595055c60f3c0809e2448d7eaffabb3 (diff) | |
| download | build-90e13bc8a703d1f7807cee7b1d11f399e8d494b4.zip build-90e13bc8a703d1f7807cee7b1d11f399e8d494b4.tar.gz build-90e13bc8a703d1f7807cee7b1d11f399e8d494b4.tar.bz2 | |
build: Relax Cortex CFLAGS
* Always set march=armv7-a
* Use mtune instead of mcpu. Bad code is generated on A15 otherwise.
Change-Id: Idf8ced8eb0e9d3d4676ca8ec69bf56aed5533bf4
| -rw-r--r-- | core/combo/arch/arm/armv7-a.mk | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/core/combo/arch/arm/armv7-a.mk b/core/combo/arch/arm/armv7-a.mk index ca6f2bb..a32ca6d 100644 --- a/core/combo/arch/arm/armv7-a.mk +++ b/core/combo/arch/arm/armv7-a.mk @@ -19,25 +19,12 @@ ARCH_ARM_HAVE_VFP_D32 := true ARCH_ARM_HAVE_NEON := true endif -mcpu-arg = $(shell sed 's/^-mcpu=//' <<< "$(call cc-option,-mcpu=$(1),-mcpu=$(2))") - -ifeq ($(TARGET_ARCH_VARIANT_CPU), cortex-a15) -TARGET_ARCH_VARIANT_CPU := $(call mcpu-arg,cortex-a15,cortex-a9) -endif -ifeq ($(TARGET_ARCH_VARIANT_CPU), cortex-a9) -TARGET_ARCH_VARIANT_CPU := $(call mcpu-arg,cortex-a9,cortex-a8) -endif -ifeq ($(TARGET_ARCH_VARIANT_CPU), cortex-a8) -TARGET_ARCH_VARIANT_CPU := $(call mcpu-arg,cortex-a8,) -endif - -ifneq ($(strip $(TARGET_ARCH_VARIANT_CPU)),) -arch_variant_cflags := \ - -mcpu=$(strip $(TARGET_ARCH_VARIANT_CPU)) -else -# fall back on generic tunning if cpu is not specified arch_variant_cflags := \ -march=armv7-a + +ifneq ($(strip $(TARGET_ARCH_VARIANT_CPU)),) +arch_variant_cflags += \ + -mtune=$(strip $(TARGET_ARCH_VARIANT_CPU)) endif ifneq ($(strip $(TARGET_ARCH_VARIANT_FPU)),) |