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Commit 90710901 authored by Kazu Hirata's avatar Kazu Hirata Committed by Kazu Hirata
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re PR rtl-optimization/18599 (Quadratic behavior in copyprop_hardreg_forward) 

	PR rtl-optimization/18599
	* regrename.c (copyprop_hardreg_forward): Speed up by putting
	BB_VISITED flags on basic blocks as we process them.

From-SVN: r91016
parent f96bc213
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