https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65342
--- Comment #13 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Alan Modra from comment #12) > We won't want that mem_operand_gpr change for Linux or AIX as we do the > alignment checking of more complex expressions in legitimate_address_p. > Do take heed to the comment about accepting odd rtl generated by reload.. Hmm.. OK. FWIW, I did try to track through legitimate_address_p to see if i could identify where the problem was being introduced (without much luck). Will have to look again.