Re: [RFC] Delayed folding, match-and-simplify and early GIMPLE

2015-12-18 Thread Richard Biener
On Fri, 18 Dec 2015, Richard Biener wrote: > > The following tries to address the issue that with delayed folding > and the general attempt to do folding on GIMPLE we have "unfolded" > trees up to the point where we go into SSA (as otherwise the > match-and-simplify machinery on GIMPLE can't get

[RFC] Delayed folding, match-and-simplify and early GIMPLE

2015-12-18 Thread Richard Biener
The following tries to address the issue that with delayed folding and the general attempt to do folding on GIMPLE we have "unfolded" trees up to the point where we go into SSA (as otherwise the match-and-simplify machinery on GIMPLE can't get to the defs of uses to match larger expressions). The