On Fri, Dec 08, 2000 at 05:05:21PM -0500, John David Anglin wrote: > I am wondering if side_effects_p should return 1 if it encounters > an UNSPEC. No, because an UNSPEC has no side effects. As I said before, the simplest thing is to check for general_operand before creating the REG_EQUAL note. Any other solution requires reload to Do Things to the INSN_CODE during rematerialization. r~