> Yes, I meant SET_DEST. Do you see how if a SET_DEST is a pseudo > which did not get a hard register and is equivalent to a readonly > memory location that the insn is useless?
Yes, I think so: being equivalenced implies that there was a REG_EQUIV note, so the insn cannot do anything else than setting the pseudo to the value it is already equivalenced to. -- Eric Botcazou