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Diffstat (limited to 'gcc/c-common.h')
| -rw-r--r-- | gcc/c-common.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/c-common.h b/gcc/c-common.h index ab0cdecbd37..7514092b5eb 100644 --- a/gcc/c-common.h +++ b/gcc/c-common.h @@ -192,3 +192,17 @@ extern void c_common_nodes_and_builtins PROTO((int, int, int)); extern tree build_va_arg PROTO((tree, tree)); extern tree initializer_constant_valid_p PROTO((tree, tree)); + +/* Nonzero if the type T promotes to itself. + ANSI C states explicitly the list of types that promote; + in particular, short promotes to int even if they have the same width. */ +#define C_PROMOTING_INTEGER_TYPE_P(t) \ + (TREE_CODE ((t)) == INTEGER_TYPE \ + && (TYPE_MAIN_VARIANT (t) == char_type_node \ + || TYPE_MAIN_VARIANT (t) == signed_char_type_node \ + || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \ + || TYPE_MAIN_VARIANT (t) == short_integer_type_node \ + || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node)) + +extern int self_promoting_args_p PROTO((tree)); +extern tree simple_type_promotes_to PROTO((tree)); |