auto-vectorization-gcc.md

Auto Vectorization

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Vectorizing float operations

• funsafe-math-optimizations - Float reduction needs this flag to be turned on

Flags to promote auto vectorization

1. -ftree-loop-distribution - Performs loop distribution

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Auto Vectorization Report

Enable vectorization with -ftree-vectorize

add verbose flags -ftree-vectorizer-verbose=6 -fopt-info-vec-missed

References

• Tree SSA Auto vectorization