[PATCH][X86] AVX512: Enable it in the Loop Vectorizer

Adam Nemet anemet at apple.com
Tue Jul 8 11:57:41 PDT 2014

Hi Elena,

This lets us experiment with 512-bit vectorization without passing
force-vector-width manually.

The code generated for a simple integer memset loop is properly vectorized.
Disassembly is still broken for it though :(.


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