Re: [PATCH] tree-optimization/97832 - handle associatable chains in SLP discovery

2021-06-09 Thread Christophe Lyon via Gcc-patches
On Wed, 9 Jun 2021 at 18:56, Alex Coplan via Gcc-patches wrote: > > Hi Richi, > > On 09/06/2021 14:42, Richard Biener via Gcc-patches wrote: > > On Mon, May 31, 2021 at 5:00 PM Richard Biener wrote: > > > > > > This makes SLP discovery handle associatable (including mixed > > > plus/minus) chains

Re: [PATCH] tree-optimization/97832 - handle associatable chains in SLP discovery

2021-06-09 Thread Alex Coplan via Gcc-patches
Hi Richi, On 09/06/2021 14:42, Richard Biener via Gcc-patches wrote: > On Mon, May 31, 2021 at 5:00 PM Richard Biener wrote: > > > > This makes SLP discovery handle associatable (including mixed > > plus/minus) chains better by swapping operands across the whole > > chain. To work this adds cach

Re: [PATCH] tree-optimization/97832 - handle associatable chains in SLP discovery

2021-06-09 Thread Richard Biener via Gcc-patches
On Mon, May 31, 2021 at 5:00 PM Richard Biener wrote: > > This makes SLP discovery handle associatable (including mixed > plus/minus) chains better by swapping operands across the whole > chain. To work this adds caching of the 'matches' lanes for > failed SLP discovery attempts, thereby fixing a