[LLVMdev] how to declare that two registers must be different

[Chris Lattner]

On Mon, 18 Sep 2006, Ralph Corderoy wrote:
> Then, for the load and store multiple instructions, LDM and STM, the R15
> should not be used as the base register.  Neither should R15 be the
> destination for an MCR, Move to Co-processor register from Register.

Ok, this is easy enough to handle.  IIUC, R15 is the PC, which isn't 
allocatable.

-Chris

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