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gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs. 

2011-05-25  Richard Guenther  <rguenther@suse.de>

	* gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
	(gimple_canonical_types_compatible_p): Likewise.

From-SVN: r174181
This commit is contained in:
Richard Guenther 2011-05-25 10:32:29 +00:00 committed by Richard Biener
parent c5235f4c0e
commit e7cfe2413f
2 changed files with 17 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-05-25 Richard Guenther <rguenther@suse.de>
* gimple.c (iterative_hash_canonical_type): Skip non-FIELD_DECLs.
(gimple_canonical_types_compatible_p): Likewise.
2011-05-25 Jan Hubicka <jh@suse.cz>
PR middle-end/49062

16
gcc/gimple.c
View File

@ -4376,10 +4376,11 @@ iterative_hash_canonical_type (tree type, hashval_t val)
tree f;
for (f = TYPE_FIELDS (type), nf = 0; f; f = TREE_CHAIN (f))
{
v = iterative_hash_canonical_type (TREE_TYPE (f), v);
nf++;
}
if (TREE_CODE (f) == FIELD_DECL)
{
v = iterative_hash_canonical_type (TREE_TYPE (f), v);
nf++;
}
v = iterative_hash_hashval_t (nf, v);
}
@ -4688,6 +4689,13 @@ gimple_canonical_types_compatible_p (tree t1, tree t2)
f1 && f2;
f1 = TREE_CHAIN (f1), f2 = TREE_CHAIN (f2))
{
/* Skip non-fields. */
while (f1 && TREE_CODE (f1) != FIELD_DECL)
f1 = TREE_CHAIN (f1);
while (f2 && TREE_CODE (f2) != FIELD_DECL)
f2 = TREE_CHAIN (f2);
if (!f1 || !f2)
break;
/* The fields must have the same name, offset and type. */
if (DECL_NONADDRESSABLE_P (f1) != DECL_NONADDRESSABLE_P (f2)
|| !gimple_compare_field_offset (f1, f2)