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re PR middle-end/68221 (libgomp reduction-11/12 failures)

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2015-11-24  Richard Biener  <rguenther@suse.de>

	PR middle-end/68221
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
	use mem_ref_offset.

From-SVN: r230793
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Richard Biener 2015-11-24 09:17:40 +00:00 committed by Richard Biener
parent c4833de125
commit 8ab1d9d72c
2 changed files with 11 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-11-24 Richard Biener <rguenther@suse.de>
PR middle-end/68221
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
use mem_ref_offset.
2015-11-24 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/68381

7
gcc/tree-ssa-sccvn.c
View File

@ -750,8 +750,11 @@ copy_reference_ops_from_ref (tree ref, vec<vn_reference_op_s> *result)
case MEM_REF:
/* The base address gets its own vn_reference_op_s structure. */
temp.op0 = TREE_OPERAND (ref, 1);
if (tree_fits_shwi_p (TREE_OPERAND (ref, 1)))
temp.off = tree_to_shwi (TREE_OPERAND (ref, 1));
{
offset_int off = mem_ref_offset (ref);
if (wi::fits_shwi_p (off))
temp.off = off.to_shwi ();
}
temp.clique = MR_DEPENDENCE_CLIQUE (ref);
temp.base = MR_DEPENDENCE_BASE (ref);
temp.reverse = REF_REVERSE_STORAGE_ORDER (ref);