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
