Re: [PATCH] Fix PR61171

2017-07-20 Thread Richard Biener
On Wed, 19 Jul 2017, Richard Biener wrote: > > The following fixes another case of missed reduction vectorization, > namely when we failed to associate a chain with mixed plus/minus > (thus it isn't detected as SLP reduction chain). The thing is set up > in a way that it should be straight forwa

[PATCH] Fix PR61171

2017-07-19 Thread Richard Biener
The following fixes another case of missed reduction vectorization, namely when we failed to associate a chain with mixed plus/minus (thus it isn't detected as SLP reduction chain). The thing is set up in a way that it should be straight forward to enable more valid chains (one more is in the que