condition flags USE in AD instruct

Tom Rodriguez Thomas.Rodriguez at Sun.COM
Tue Apr 14 11:07:40 PDT 2009

What's it look like?  You can USE something that isn't mentioned in  
the match rule.  A USE has to an input to the underlying MachNode and  
if it's not mentioned in the match rule then it's not an input.


On Apr 14, 2009, at 11:05 AM, Christian Thalinger wrote:

> On Tue, 2009-04-14 at 10:45 -0700, Tom Rodriguez wrote:
>> It might be a case of too string error checking.  If you have a match
>> rule then all the USE and DEF effects are taken care of and I don't
>> think it would complain about USEing that flags.  Are you going to
>> have a match rule on the instruct or are you writing an instruct for
>> use in an expand rule?
> A match rule on the instruct.  This is the ADDC.
> -- Christian

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