NEON intrinsic reference
The arm_neon.h header file defines 102 data types and 2009 intrinsics that allow the programmer to explicitly encode support for ARM NEON instructions in high-level source code. To use an intrinsic, the programmer needs only to call a specific function, but intrinsics are not normal functions. Each intrinsic is defined as an inline function that acts as a wrapper around a built-in compiler command that forces the compiler’s back-end to emit a specific instruction (often along with supporting instructions).
This appendix provides additional details on ARM NEON intrinsics beyond that provided in Chapter 2. Interested readers should refer to the actual header file, located in /usr/lib/gcc/arm-linux-gnueabihf/< version >/include ...
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