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re PR tree-optimization/66767 (FAIL: gcc.dg/vect/vect-align-1.c execution test)

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2015-07-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66767
	* tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
	Make sure to build the alignment test on a SSA name without
	final alignment info valid only if the alignment test
	evaluates to true.

From-SVN: r225454
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Richard Biener 2015-07-06 13:12:39 +00:00 committed by Richard Biener
parent 91f0f975e6
commit aad83b7cbb
2 changed files with 9 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2015-07-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/66767
* tree-vect-loop-manip.c (vect_create_cond_for_align_checks):
Make sure to build the alignment test on a SSA name without
final alignment info valid only if the alignment test
evaluates to true.
2015-07-06 Bernd Schmidt <bernds@codesourcery.com>
PR target/66620

2
gcc/tree-vect-loop-manip.c
View File

@ -2143,7 +2143,7 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
bool negative = tree_int_cst_compare
(DR_STEP (STMT_VINFO_DATA_REF (stmt_vinfo)), size_zero_node) < 0;
tree offset = negative
? size_int (-TYPE_VECTOR_SUBPARTS (vectype) + 1) : NULL_TREE;
? size_int (-TYPE_VECTOR_SUBPARTS (vectype) + 1) : size_zero_node;
/* create: addr_tmp = (int)(address_of_first_vector) */
addr_base =