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r164663 - in /trunk/gcc: ChangeLog cfgcleanup.c


Author: hp
Date: Mon Sep 27 19:55:29 2010
New Revision: 164663

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164663
Log:
	PR rtl-optimization/45792
	* cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
	If not all insns are to be merged, for each edge, stash the
	next candidate after the to-be-merged insns before doing the
	merge, and use them for the retry at the new insertion point.
	Handle CC0 targets when retrying.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgcleanup.c


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