Compiler intrinsics for Digital
Signal Processing (DSP)
The compiler provides intrinsics that assist in the implementation
of DSP algorithms. These intrinsics introduce the appropriate target
instructions for:
ARM, on architectures
from ARMv5TE onwards
Thumb, on architectures with Thumb-2 technology.
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
ARMv5TE QDADD instruction is generated by a combination
of __qadd and __qdbl.
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