diff options
Diffstat (limited to 'libcpp/include/cpplib.h')
| -rw-r--r-- | libcpp/include/cpplib.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index a9db7ab..594c899 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -819,7 +819,24 @@ extern int cpp_defined (cpp_reader *, const unsigned char *, int); /* A preprocessing number. Code assumes that any unused high bits of the double integer are set to zero. */ -typedef unsigned HOST_WIDE_INT cpp_num_part; + +/* Find a type with at least 64bit precision, mimicking hwint.h. + This type has to be equal to unsigned HOST_WIDE_INT, see + gcc/c-family/c-lex.c. */ +#if SIZEOF_LONG >= 8 +typedef unsigned long cpp_num_part; +#else +# if SIZEOF_LONG_LONG >= 8 +typedef unsigned long long cpp_num_part; +# else +# if SIZEOF___INT64 >= 8 +typedef unsigned __int64 cpp_num_part; +# else + #error "This line should be impossible to reach" +# endif +# endif +#endif + typedef struct cpp_num cpp_num; struct cpp_num { |