On Fri, Apr 08, 2016 at 10:24:50AM +0200, Olivier Hainque wrote:
> > But I expect for stage4, the best solution is to strengthen the stack_tie 
> > pattern to block all memory.  Early scheduling of the stack frame 
> > deallocation (a simple logic insn) can't really be that important to 
> > performance.
> 
> My feeling as well. At least, it can't be important enough to warrant
> a sustained exposure to the kind of bug we're discussing here.

Is it a regression?  Changing this in stage 4, and this late in stage 4,
is super invasive.  Wrt performance, well, I'd like to see numbers :-/


Segher

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