condition flags USE in AD instruct
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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