On 24/07/17 14:58, Georg-Johann Lay wrote:
Dunno if that works in all situation. For example, when the register allocator is facing high register pressure and decides to spill the target register, it uses the constraints of the matched insn.
That would be a memory to memory move, and therefore not valid in any mov insn on many architectures. Are you sure that's a real thing?
Confused now. Andrew
