diff options
Diffstat (limited to 'gcc/system.h')
| -rw-r--r-- | gcc/system.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/system.h b/gcc/system.h index cdbcf9d..6a74946 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -547,4 +547,16 @@ extern void abort PARAMS ((void)); /* Get libiberty declarations. */ #include "libiberty.h" +/* Enumerated bitfields are safe to use unless we've been explictly told + * otherwise or if they are signed. */ + +#define USE_ENUM_BITFIELDS __GNUC__ || (!ONLY_INT_FIELDS && ENUM_BTIFIELDS_ARE_UNSIGNED) + +#if USE_ENUM_BITFIELDS +#define ENUM_BITFIELD(TYPE) enum TYPE +#else +#define ENUM_BITFIELD(TYPE) unsigned int +#endif + + #endif /* __GCC_SYSTEM_H__ */ |