On Mon, 13 Jun 2016, Richard Biener wrote:
On Sun, Jun 12, 2016 at 11:19 AM, Marc Glisse wrote:
Hello,
canonicalizing x+x to x*2 made us regress some vectorization tests on sparc.
As suggested by Richard, this lets the vectorizer handle x*2 as x+x if that
helps. Let me copy a few remarks I ha
On Sun, Jun 12, 2016 at 11:19 AM, Marc Glisse wrote:
> Hello,
>
> canonicalizing x+x to x*2 made us regress some vectorization tests on sparc.
> As suggested by Richard, this lets the vectorizer handle x*2 as x+x if that
> helps. Let me copy a few remarks I had in the PR:
>
> « We could probably a