diff options
Diffstat (limited to 'gcc/c-family/c-common.h')
| -rw-r--r-- | gcc/c-family/c-common.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/c-family/c-common.h b/gcc/c-family/c-common.h index b931fd6d2a8..664e9287a1b 100644 --- a/gcc/c-family/c-common.h +++ b/gcc/c-family/c-common.h @@ -688,6 +688,16 @@ struct visibility_flags unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ }; +/* These enumerators are possible types of unsafe conversions. + SAFE_CONVERSION The conversion is safe + UNSAFE_OTHER Another type of conversion with problems + UNSAFE_SIGN Conversion between signed and unsigned integers + which are all warned about immediately, so this is unused + UNSAFE_REAL Conversions that reduce the precision of reals + including conversions from reals to integers + */ +enum conversion_safety { SAFE_CONVERSION = 0, UNSAFE_OTHER, UNSAFE_SIGN, UNSAFE_REAL }; + /* Global visibility options. */ extern struct visibility_flags visibility_options; @@ -741,7 +751,7 @@ extern tree c_common_signed_type (tree); extern tree c_common_signed_or_unsigned_type (int, tree); extern void c_common_init_ts (void); extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); -extern bool unsafe_conversion_p (tree, tree, bool); +extern enum conversion_safety unsafe_conversion_p (tree, tree, bool); extern bool decl_with_nonnull_addr_p (const_tree); extern tree c_fully_fold (tree, bool, bool *); extern tree decl_constant_value_for_optimization (tree); |