The compiler provides intrinsics that assist in the implementation of DSP algorithms. These intrinsics introduce the appropriate target instructions for:
ARM architectures from ARM v5TE and later
Thumb-2 architectures.
Not every instruction has its own intrinsic. The compiler
can combine several intrinsics, or combinations of intrinsics and
C operators to generate more powerful instructions. For example, the
ARM v5TE QDADD instruction is generated by a combination
of __qadd and __qdbl.
See also
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