diff options
| author | Andreas Krebbel <krebbel1@de.ibm.com> | 2007-01-24 12:03:38 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2007-01-24 12:03:38 +0000 |
| commit | 024a85aeb6a912811d917f737eaad39140c2fb0c (patch) | |
| tree | 06f74328e5fa1bec8c013b5ce2683658b5237193 /gcc/doc | |
| parent | 9db27449884f6c83ff2862450620ca979b541427 (diff) | |
| download | gcc-024a85aeb6a912811d917f737eaad39140c2fb0c.zip gcc-024a85aeb6a912811d917f737eaad39140c2fb0c.tar.gz gcc-024a85aeb6a912811d917f737eaad39140c2fb0c.tar.bz2 | |
c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
* c-cppbuiltin.c (builtin_define_type_sizeof): New function.
(c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
__SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
__SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
__SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
__SIZEOF_PTRDIFF_T__.
* doc/cpp.texi: Documentation for the new builtin macros added.
2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
* gcc.c-torture/compile/sizeof-macros-1.c: New testcase.
From-SVN: r121107
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/cpp.texi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/doc/cpp.texi b/gcc/doc/cpp.texi index 1b7b867..90ff230 100644 --- a/gcc/doc/cpp.texi +++ b/gcc/doc/cpp.texi @@ -2079,6 +2079,23 @@ 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 __SIZEOF_INT__ +@itemx __SIZEOF_LONG__ +@itemx __SIZEOF_LONG_LONG__ +@itemx __SIZEOF_SHORT__ +@itemx __SIZEOF_POINTER__ +@itemx __SIZEOF_FLOAT__ +@itemx __SIZEOF_DOUBLE__ +@itemx __SIZEOF_LONG_DOUBLE__ +@itemx __SIZEOF_SIZE_T__ +@itemx __SIZEOF_WCHAR_T__ +@itemx __SIZEOF_WINT_T__ +@itemx __SIZEOF_PTRDIFF_T__ +Defined to the number of bytes of the C standard data types: @code{int}, +@code{long}, @code{long long}, @code{short}, @code{void *}, @code{float}, +@code{double}, @code{long double}, @code{size_t}, @code{wchar_t}, @code{wint_t} +and @code{ptrdiff_t}. + @item __DEPRECATED This macro is defined, with value 1, when compiling a C++ source file with warnings about deprecated constructs enabled. These warnings are |