2.2.3 Optimization
The compiler uses a set of sophisticated optimization passes that employ many advanced techniques for generating efficient, compact code from C/C++ source. The optimization passes include high-level optimizations that are applicable to any C/C++ code, as well as PIC32C/SAM MCU-specific optimizations that take advantage of the particular features of the device architecture.
For more on optimizations, see 21 Optimizations.