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A comment on Apple patent: Method and apparatus for executing program code . Parent comment
At the gcc page you linked:
Example output using -ftree-vectorizer-verbose=2:
vect-1.c:82: note: not vectorized, possible dependence between data-refs a[i_124] and a[i_83]
Apple's patented method would appear to allow vectorization in this case, whereas gcc fails.
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At the gcc page you linked:
Example output using -ftree-vectorizer-verbose=2:
vect-1.c:82: note: not vectorized, possible dependence between data-refs a[i_124] and a[i_83]
Apple's patented method would appear to allow vectorization in this case, whereas gcc fails.