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re PR ada/36957 (ACATS ce3801b ICE emit_move_insn, at expr.c:3381 post tuple merge) 

2008-07-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36957
	* tree-flow.h (tree_ssa_useless_type_conversion): Remove.
	(useless_type_conversion_p): Remove.
	(types_compatible_p): Remove.
	* gimple.h (tree_ssa_useless_type_conversion): Declare.
	(useless_type_conversion_p): Declare.
	(types_compatible_p): Declare.
	(gimple_expr_type): Return the base type only if it is
	trivially convertible to the subtype.

From-SVN: r138217
This commit is contained in:
Richard Guenther 2008-07-28 20:32:32 +00:00 committed by Richard Biener
parent f6e377f82e
commit 4d2ad64c5b
3 changed files with 20 additions and 4 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2008-07-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36957
* tree-flow.h (tree_ssa_useless_type_conversion): Remove.
(useless_type_conversion_p): Remove.
(types_compatible_p): Remove.
* gimple.h (tree_ssa_useless_type_conversion): Declare.
(useless_type_conversion_p): Declare.
(types_compatible_p): Declare.
(gimple_expr_type): Return the base type only if it is
trivially convertible to the subtype.
2008-07-28 Andreas Tobler <a.tobler@schweiz.org>
* configure.ac: Use the m4_do macro to concatenate the warnings into

9
gcc/gimple.h
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@ -1007,6 +1007,11 @@ extern bool validate_gimple_arglist (const_gimple, ...);
/* In tree-ssa-operands.c */
extern void gimple_add_to_addresses_taken (gimple, tree);
/* In tree-ssa.c */
extern bool tree_ssa_useless_type_conversion (tree);
extern bool useless_type_conversion_p (tree, tree);
extern bool types_compatible_p (tree, tree);
/* Return the code for GIMPLE statement G. */
static inline enum gimple_code
@ -1394,7 +1399,9 @@ gimple_expr_type (const_gimple stmt)
convertible to one of its sub-types. So always return
the base type here. */
if (INTEGRAL_TYPE_P (type)
&& TREE_TYPE (type))
&& TREE_TYPE (type)
/* But only if they are trivially convertible. */
&& useless_type_conversion_p (type, TREE_TYPE (type)))
type = TREE_TYPE (type);
return type;
}

3
gcc/tree-flow.h
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@ -867,9 +867,6 @@ extern void redirect_edge_var_map_destroy (void);
extern edge ssa_redirect_edge (edge, basic_block);
extern void flush_pending_stmts (edge);
extern bool tree_ssa_useless_type_conversion (tree);
extern bool useless_type_conversion_p (tree, tree);
extern bool types_compatible_p (tree, tree);
extern void verify_ssa (bool);
extern void delete_tree_ssa (void);
extern void walk_use_def_chains (tree, walk_use_def_chains_fn, void *, bool);