Hello, > >this seems quite close to what TARGET_MEM_REFs are designed for. IMHO, > >the best way would be to lower the memory references to TARGET_MEM_REFs > >(*) just once, sometime quite late in the optimization pipeline (just after > >loop optimizations, for example), so that high-level optimizers/alias > >analysis see the easy to understand code, while at least the essential > >cleanups are performed on the lower level code. > > but the only kind of TARGET_MEM_REFs we would really allow would be > those with a base and no symbol, no index, no step, no offset... which > look to me like INDIRECT_REFs!
well, if that acurately describes the capabilities of the target, yes. This way, you will prevent optimizers from recombining the addresses to more complex ones again. Zdenek
