On Wed, Feb 6, 2013 at 8:38 AM, Alan Modra <amo...@gmail.com> wrote: > My PR54131 fix caused PR54009 to raise its ugly head again. Allowing > all LO_SUM addresses in the 'Y' constraint (mem_operand_gpr) wasn't > quite correct. We still need to check for wrap when offsetting for > multiple words/regs. Fixing that means the LO_SUM addresses not > accepted by 'Y' need an address reload. > > OK assuming powerpc64 and powerpc-linux regression testing passes? > > PR target/54009 > * config/rs6000/rs6000.c (mem_operand_gpr): Check that LO_SUM > addresses won't wrap when offsetting. > (rs6000_secondary_reload): Provide secondary reloads needed for > wrapping LO_SUM addresses.
Okay. We just need to tweak it until we close these corner cases. Do you have a testcase that can be added? Thanks, David
