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r253473 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: rguenth
Date: Fri Oct  6 07:03:23 2017
New Revision: 253473

URL: https://gcc.gnu.org/viewcvs?rev=253473&root=gcc&view=rev
Log:
2017-10-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82436
	* tree-vect-slp.c (vect_supported_load_permutation_p): More
	conservatively choose the vectorization factor when checking
	whether we can perform the required load permutation.
	(vect_transform_slp_perm_load): Assert when we may not fail.

	* gcc.dg/vect/pr82436.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr82436.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c


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