https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61320
--- Comment #53 from thopre01 at gcc dot gnu.org --- (In reply to thopre01 from comment #52) > (In reply to Eric Botcazou from comment #51) > > > > TARGET_MEM_REF is supposed to be a valid memory access for the target though > > and, by definition, an unaligned access is not valid for a strict alignment > > target (unless you have a movmisalign pattern), so the problem is the > > TARGET_MEM_REF. > > So we just need to identify what changes the MEM_REF that bswap introduce > into a TARGET_MEM_REF without taking alignment into account. > > After bswap it's only a MEM_REF: > > load_dst_215 = MEM[(unsigned char *)load_src_277]; So it changes from a MEM_REF to a TARGET_MEM_REF in ivopts from a quick grep. I don't know how much this system but I can take a look after Cauldron where does this happen and bring the right person into this discussion.
