soft-float/hard-float

1)kernel & kernel module

check out:

$cat out/target/product/ceres/obj/KERNEL/.config  |grep FP
CONFIG_VFP=y
CONFIG_VFPv3=y

2) toolchain stuff(gcc)

check out:

#ARM doc for Hard FP

http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.kui0097a/armcc_cjagbdfi.htm

How do I get the compiler to generate VFP instructions?

https://sourcery.mentor.com/sgpp/lite/arm/portal/kbentry27

3)lib & share object

4)dalvik VM & android app

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