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[Bug target/43311] missed 'movw' optimization.


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43311

--- Comment #5 from Zdenek Sojka <zsojka at seznam dot cz> 2012-01-25 12:56:30 UTC ---
(In reply to comment #4)
> 
> No, s.b2 should be 1.

Thank you for the answer. In that case, the optimisation in comment #0 can't be
done in a general case (unless I have overlooked something).


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