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tree.h (fold_indirect_ref_1): Export from fold-const.c.

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2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>

	* tree.h (fold_indirect_ref_1): Export from fold-const.c.
	* fold-const.c (fold_indirect_ref_1): No longer static.
	* tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
	folding, if possible.

From-SVN: r100458
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Richard Guenther 2005-06-01 18:43:02 +00:00 committed by Richard Biener
parent 82c0180d77
commit 095ecc24ec
4 changed files with 20 additions and 8 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-06-01 Richard Guenther <rguenth@gcc.gnu.org>
* tree.h (fold_indirect_ref_1): Export from fold-const.c.
* fold-const.c (fold_indirect_ref_1): No longer static.
* tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
folding, if possible.
2005-06-01 Joseph S. Myers <joseph@codesourcery.com>
* common.opt (fjump-tables): New.

2
gcc/fold-const.c
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@ -11508,7 +11508,7 @@ build_fold_addr_expr (tree t)
of an indirection through OP0, or NULL_TREE if no simplification is
possible. */
static tree
tree
fold_indirect_ref_1 (tree type, tree op0)
{
tree sub = op0;

18
gcc/tree-inline.c
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@ -615,13 +615,17 @@ copy_body_r (tree *tp, int *walk_subtrees, void *data)
it manually here as we'll eventually get ADDR_EXPRs
which lie about their types pointed to. In this case
build_fold_indirect_ref wouldn't strip the INDIRECT_REF,
but we absolutely rely on that. */
if (TREE_CODE ((tree)n->value) == ADDR_EXPR)
*tp = TREE_OPERAND ((tree)n->value, 0);
else
*tp = build1 (INDIRECT_REF,
TREE_TYPE (TREE_TYPE ((tree)n->value)),
(tree)n->value);
but we absolutely rely on that. As fold_indirect_ref
does other useful transformations, try that first, though. */
tree type = TREE_TYPE (TREE_TYPE ((tree)n->value));
*tp = fold_indirect_ref_1 (type, (tree)n->value);
if (! *tp)
{
if (TREE_CODE ((tree)n->value) == ADDR_EXPR)
*tp = TREE_OPERAND ((tree)n->value, 0);
else
*tp = build1 (INDIRECT_REF, type, (tree)n->value);
}
*walk_subtrees = 0;
return NULL;
}

1
gcc/tree.h
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@ -3539,6 +3539,7 @@ extern tree fold_convert (tree, tree);
extern tree fold_single_bit_test (enum tree_code, tree, tree, tree);
extern tree fold_ignored_result (tree);
extern tree fold_abs_const (tree, tree);
extern tree fold_indirect_ref_1 (tree, tree);
extern tree force_fit_type (tree, int, bool, bool);