diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -2251,16 +2251,18 @@ extern enum machine_mode vector_type_mode (const_tree); #define TYPE_NEEDS_CONSTRUCTING(NODE) \ (TYPE_CHECK (NODE)->type.needs_constructing_flag) -/* Indicates that objects of this type (a UNION_TYPE), should be passed - the same way that the first union alternative would be passed. */ -#define TYPE_TRANSPARENT_UNION(NODE) \ - (UNION_TYPE_CHECK (NODE)->type.transparent_union_flag) +/* Indicates that a UNION_TYPE object should be passed the same way that + the first union alternative would be passed, or that a RECORD_TYPE + object should be passed the same way that the first (and only) member + would be passed. */ +#define TYPE_TRANSPARENT_AGGR(NODE) \ + (RECORD_OR_UNION_CHECK (NODE)->type.transparent_aggr_flag) /* For an ARRAY_TYPE, indicates that it is not permitted to take the address of a component of the type. This is the counterpart of DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */ #define TYPE_NONALIASED_COMPONENT(NODE) \ - (ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag) + (ARRAY_TYPE_CHECK (NODE)->type.transparent_aggr_flag) /* Indicated that objects of this type should be laid out in as compact a way as possible. */ @@ -2285,7 +2287,7 @@ struct GTY(()) tree_type { unsigned int precision : 10; unsigned no_force_blk_flag : 1; unsigned needs_constructing_flag : 1; - unsigned transparent_union_flag : 1; + unsigned transparent_aggr_flag : 1; unsigned restrict_flag : 1; unsigned contains_placeholder_bits : 2; @@ -4360,6 +4362,10 @@ extern int list_length (const_tree); extern int fields_length (const_tree); +/* Returns the first FIELD_DECL in a type. */ + +extern tree first_field (const_tree); + /* Given an initializer INIT, return TRUE if INIT is zero or some aggregate of zeros. Otherwise return FALSE. */ |