Re: [PATCH] Improve vectorizer peeling for alignment costmodel

2017-05-09 Thread Richard Biener
On Tue, 9 May 2017, Richard Biener wrote: > On Fri, 5 May 2017, Christophe Lyon wrote: > > > Hi Richard, > > > > > > On 3 May 2017 at 10:19, Richard Biener wrote: > > > > > > The following extends the very simplistic cost modeling I added somewhen > > > late in the release process to, for all

Re: [PATCH] Improve vectorizer peeling for alignment costmodel

2017-05-09 Thread Richard Biener
On Fri, 5 May 2017, Christophe Lyon wrote: > Hi Richard, > > > On 3 May 2017 at 10:19, Richard Biener wrote: > > > > The following extends the very simplistic cost modeling I added somewhen > > late in the release process to, for all unknown misaligned refs, also > > apply this model for loops

Re: [PATCH] Improve vectorizer peeling for alignment costmodel

2017-05-05 Thread Christophe Lyon
Hi Richard, On 3 May 2017 at 10:19, Richard Biener wrote: > > The following extends the very simplistic cost modeling I added somewhen > late in the release process to, for all unknown misaligned refs, also > apply this model for loops containing stores. > > The model basically says it's useless

[PATCH] Improve vectorizer peeling for alignment costmodel

2017-05-03 Thread Richard Biener
The following extends the very simplistic cost modeling I added somewhen late in the release process to, for all unknown misaligned refs, also apply this model for loops containing stores. The model basically says it's useless to peel for alignment if there's only a single DR that is affected or