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am 3343b27c: x86: The default ATOM BSP flags need to be in sync with the NDK ABI

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* commit '3343b27c534fb4ea238f2feaa0d9346840ee2f92':
  x86: The default ATOM BSP flags need to be in sync with the NDK ABI
This commit is contained in:
Bruce Beare 2011-12-09 16:21:00 -08:00 committed by Android Git Automerger
commit 381581613a
1 changed files with 18 additions and 1 deletions
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19
core/combo/TARGET_linux-x86.mk
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@ -96,8 +96,25 @@ TARGET_GLOBAL_CPPFLAGS += \
-fno-use-cxa-atexit
ifeq ($(TARGET_ARCH_VARIANT),x86-atom)
TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse
# Basic ATOM flags.
TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -mfpmath=sse
# There are various levels of ATOM processors out there. Different ones have different
# capabilities. This first define matches the NDK's minimum ABI requirements.
# Note: Not all of the flags set here are actually used in Android. They are provided
# to allow for the addition of corresponding optimizations.
TARGET_GLOBAL_CFLAGS += -DUSE_MMX -DUSE_SSE -DUSE_SSE2 -DUSE_SSE3
# If you wish to build a BSP that will only be used on hardware that has additional
# available instructions, enable them here. By default, this is commented off so that
# the default images can run on all processors that are NDK ABI compliant.
# TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3
else
# Plain 'x86' - lowest common denominator. This should run pretty much on any hardware.
#
# Note: The NDK's ABI (see the NDK ABI documentation) requires many of the more recent
# instruction set additions. You can build an "x86" BSP that will run on very old hardware,
# but it won't be able to run much of the x86 NDK compliant code.
TARGET_GLOBAL_CFLAGS += -march=i686
endif