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r242520 - in /trunk/gcc: ChangeLog tree-if-conv.c


Author: wschmidt
Date: Wed Nov 16 22:17:10 2016
New Revision: 242520

URL: https://gcc.gnu.org/viewcvs?rev=242520&root=gcc&view=rev
Log:
2016-11-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/77848
	* tree-if-conv.c (version_loop_for_if_conversion): When versioning
	an outer loop, only save basic block aux information for the inner
	loop.
	(versionable_outer_loop_p): New function.
	(tree_if_conversion): Version the outer loop instead of the inner
	one if the pattern will be recognized for outer-loop
	vectorization.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-if-conv.c


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