__ARMVFP__
In this section:
Description
An integer that reflects the ‑‑fpu option and is defined to __ARMVFPV2__, __ARMVFPV3__, __ARMVFPV4__, or __ARMVFPV5__. These symbolic names can be used when testing the __ARMVFP__ symbol. If VFP code generation is disabled (default), the symbol will be undefined.