On Sun, 15 Jul 2012, William J. Schmidt wrote:
> The auto-vectorizer is overly aggressive when not constrained by the
> vectorizer cost model. Although the cost model is by no means perfect,
> it does a reasonable job of avoiding many poor vectorization decisions.
> Since the auto-vectorizer is e
The auto-vectorizer is overly aggressive when not constrained by the
vectorizer cost model. Although the cost model is by no means perfect,
it does a reasonable job of avoiding many poor vectorization decisions.
Since the auto-vectorizer is enabled by default at -O3 and above, we
should also enabl
