All compiler directives, particular to TI's special compiler for their DSP devices.
So those would need to be translated into something that behaves the same on gcc.
Aside from that, the algorithm displayed by the source code should be of value.
Plus, for things like operations in a loop on an array of values, gcc will "auto-vectorize" and generate the required VFP code.
Not so with the TI dsp compiler, there the programmer gets to write it all out themselves.
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