https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82248
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> --- On Thu, 23 Nov 2017, ramana at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82248 > > --- Comment #3 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> --- > (In reply to Richard Biener from comment #2) > > Miscompiles mpfr for us on armv7. Isn't it easy enough to handle this in > > the insn pattern by using some non pre/post-indexed memory_operand predicate > > and or using an early clobbered match_scratch to allocate 'r0'? > > > I was testing a patch that used 'o' instead of 'm' in the constraint as that's > just an offsettable address and would prevent post/ pre-inc type operations > but > it slipped through the cracks with travels in September :( > > Can you test if that is sufficient for you or what's the runes in configure > for > forcing probe_stack_range ? Seems to work fine. Richard.
