diff options
| -rw-r--r-- | gcc/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/gimple.h | 9 | ||||
| -rw-r--r-- | gcc/tree-flow.h | 3 |
3 files changed, 20 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 77face9..aa4d3b2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/gimple.h b/gcc/gimple.h index 744461d..0c11f3e 100644 --- a/gcc/gimple.h +++ b/gcc/gimple.h @@ -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; } diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h index 96c4795..1e94037 100644 --- a/gcc/tree-flow.h +++ b/gcc/tree-flow.h @@ -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); |