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The compiler as an optimizing compiler

The compiler is highly optimizing for small code size and high performance. The compiler performs optimizations common to other optimizing compilers, for example, data-flow optimizations such as common sub-expression elimination and loop optimizations such as loop combining and distribution. In addition, the compiler performs a range of optimizations specific to ARM architecture-based processors.

Even though the compiler is highly optimizing, you can often significantly improve the performance of your C or C++ code by selecting correct optimization criteria, and the correct target processor and architecture.

Note

Optimization options can limit debug information generated by the compiler.

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