[Dwarf-Discuss] FDEs involving predicated instructions

Michael Eager eager at eagercon.com
Fri Apr 19 16:04:40 PDT 2013


On 04/19/2013 03:50 PM, Humphreys, Jonathan wrote:
> I’m wondering the best way to handle predicated prolog/epilog instructions in the Call Frame
> Information.
>
> Suppose you have an epilog instruction that restores an SOE register and it is predicated and
> scheduled in a predecessor block.  How do you handle emitting an FDE rule that describes that a
> register is restored when a predicate or status register is a certain value?
>
> I can give an example if this isn’t clear.

Yes, an example would be helpful.


-- 
Michael Eager	 eager at eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077




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