These pragmas control software floating-point linkage.
#pragma softfp_linkage asserts that all
function declarations up to the next #pragma no_softfp_linkage describe
functions that use software floating-point linkage.
Note
These pragmas have the keyword equivalent __softfp.
Usage
These pragmas can be useful when applied to an entire interface
specification, located in the header file, without altering that
file.