Hi Bill, On Sun, Dec 11, 2016 at 01:35:59PM -0600, Bill Schmidt wrote: > --- gcc/config/rs6000/rs6000.c (revision 243506) > +++ gcc/config/rs6000/rs6000.c (working copy) > @@ -41433,6 +41433,12 @@ find_alignment_op (rtx_insn *insn, rtx base_reg) > if (!base_def_link || base_def_link->next) > break; > > + /* With stack-protector code enabled, and possibly in other > + circumstances, there may not be an associated insn for > + the def. */ > + if (!base_def_link->ref->base.insn_info) > + break;
Maybe this should use DF_REF_IS_ARTIFICIAL? Or if that doesn't work, DF_REF_INSN_INFO? Segher
