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Quick Lists
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Bug ID:
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6463375
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Votes
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0
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Synopsis
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Fix the condition for a commutative operation's inputs swapping during final graph reshaping
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Category
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hotspot:compiler2
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Reported Against
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Release Fixed
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hs10(b03),
6u4(b03) (Bug ID:2171817)
, 7(b03) (Bug ID:2176752)
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State
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10-Fix Delivered,
bug
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Priority:
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4-Low
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Related Bugs
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Submit Date
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24-AUG-2006
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Description
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The condition in final_graph_reshaping_impl() is incomplete.
It misses the check for commutative nodes MaxI and MinI.
And it allows to swap the input from a loop's Phi node to the second input
of a commutative node.
All this increse a register pressure during RA.
Posted Date : 2006-08-24 02:49:40.0
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Work Around
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N/A
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Evaluation
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See description.
Posted Date : 2006-08-24 21:07:14.0
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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