i965: Note that write-after-write dependencies are blocking.
Reviewed-by: Eric Anholt <eric@anholt.net>
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@ -36,7 +36,7 @@
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*
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* The basic model of the list scheduler is to take a basic block,
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* compute a DAG of the dependencies (RAW ordering with latency, WAW
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* ordering, WAR ordering), and make a list of the DAG heads.
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* ordering with latency, WAR ordering), and make a list of the DAG heads.
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* Heuristically pick a DAG head, then put all the children that are
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* now DAG heads into the list of things to schedule.
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*
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