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authorRichard Biener <rguenther@suse.de>2016-07-18 08:46:42 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2016-07-18 08:46:42 +0000
commit2e7565b2681274a88ec2c74c6486ca4657295d21 (patch)
tree67f2c58b0ee2d8da6cd2cf762718f6ad7882328c /gcc/tree-ssa-sccvn.c
parent9c9549e100cfabaa54ba7b9d97e01143aea167f4 (diff)
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re PR tree-optimization/71893 (gfortran.dg ICEs in gcc/tree-ssa-pre.c; -fcode-hoisting?)
2016-07-18 Richard Biener <rguenther@suse.de> PR tree-optimization/71893 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate for sizetype cast added by array_ref_element_size. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise. From-SVN: r238426
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
-rw-r--r--gcc/tree-ssa-sccvn.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c
index bd752a5..b1f10d5 100644
--- a/gcc/tree-ssa-sccvn.c
+++ b/gcc/tree-ssa-sccvn.c
@@ -810,6 +810,9 @@ copy_reference_ops_from_ref (tree ref, vec<vn_reference_op_s> *result)
/* Always record lower bounds and element size. */
temp.op1 = array_ref_low_bound (ref);
temp.op2 = array_ref_element_size (ref);
+ /* array_ref_element_size forces the result to sizetype
+ even if that is the same as bitsizetype. */
+ STRIP_USELESS_TYPE_CONVERSION (temp.op2);
if (TREE_CODE (temp.op0) == INTEGER_CST
&& TREE_CODE (temp.op1) == INTEGER_CST
&& TREE_CODE (temp.op2) == INTEGER_CST)