diff options
Diffstat (limited to 'gcc/doc/cpp.texi')
| -rw-r--r-- | gcc/doc/cpp.texi | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index a3f69964aa7..6aaea597a7f 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -2007,20 +2007,21 @@ these macros directly; instead, include the appropriate headers and use the typedefs. @item __CHAR_BIT__ -@itemx __WCHAR_BIT__ -@itemx __SHRT_BIT__ -@itemx __INT_BIT__ -@itemx __LONG_BIT__ -@itemx __LONG_LONG_BIT__ -@itemx __FLOAT_BIT__ -@itemx __DOUBLE_BIT__ -@itemx __LONG_DOUBLE_BIT__ -These macros are defined to the number of bits used in the -representation of the data types @code{char}, @code{wchar_t}, -@code{short}, @code{int}, @code{long}, @code{long long}, @code{float}, -@code{double} and @code{long double}. They exist to make the standard -header given numerical limits work correctly. You should not use -these macros directly; instead, include the appropriate headers. +Defined to the number of bits used in the representation of the +@code{char} data type. It exists to make the standard header given +numerical limits work correctly. You should not use +this macro directly; instead, include the appropriate headers. + +@item __SCHAR_MAX__ +@itemx __SHRT_MAX__ +@itemx __INT_MAX__ +@itemx __LONG_MAX__ +@itemx __LONG_LONG_MAX__ +Defined to the maximum value of the @code{signed char}, @code{signed short}, +@code{signed int}, @code{signed long}, and @code{signed long long} types +respectively. They exist to make the standard header given numerical limits +work correctly. You should not use these macros directly; instead, include +the appropriate headers. @item __USING_SJLJ_EXCEPTIONS__ This macro is defined, with value 1, if the compiler uses the old @@ -2032,12 +2033,6 @@ This macro is defined, with value 1, if (and only if) the NeXT runtime (as in @option{-fnext-runtime}) is in use for Objective-C. If the GNU runtime is used, this macro is not defined, so that you can use this macro to determine which runtime (NeXT or GNU) is being used. - -@item __TARGET_FLOAT_FORMAT__ -This macro is defined to describe the floating-point format used by the -target. It has value in the set comprised of: -@code{__UNKNOWN_FORMAT__}, @code{__IEEE_FORMAT__}, -@code{__IBM_FORMAT__}, @code{__C4X_FORMAT__} and @code{__VAX_FORMAT__}. @end table @node System-specific Predefined Macros |