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Re: Register allocation trouble
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?