diff options
Diffstat (limited to 'libstdc++-v3/include/bits/c++config')
| -rw-r--r-- | libstdc++-v3/include/bits/c++config | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config index cd7678e..8cce88a 100644 --- a/libstdc++-v3/include/bits/c++config +++ b/libstdc++-v3/include/bits/c++config @@ -425,8 +425,28 @@ _GLIBCXX_END_NAMESPACE_VERSION // GLIBCXX_ABI Deprecated // Define if compatibility should be provided for -mlong-double-64. #undef _GLIBCXX_LONG_DOUBLE_COMPAT +// Define if compatibility should be provided for alternative 128-bit long +// double formats. +#undef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT + +// Inline namespaces for long double 128 modes. +#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \ + && defined __LONG_DOUBLE_IEEE128__ +namespace std +{ + // Namespaces for 128-bit IEEE long double format on 64-bit POWER LE. + inline namespace __gnu_cxx_ieee128 { } + inline namespace __gnu_cxx11_ieee128 { } +} +# define _GLIBCXX_NAMESPACE_LDBL __gnu_cxx_ieee128:: +# define _GLIBCXX_BEGIN_NAMESPACE_LDBL namespace __gnu_cxx_ieee128 { +# define _GLIBCXX_END_NAMESPACE_LDBL } +# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 __gnu_cxx11_ieee128:: +# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 namespace __gnu_cxx11_ieee128 { +# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 } + +#else // _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && IEEE128 -// Inline namespace for long double 128 mode. #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ namespace std { @@ -440,6 +460,7 @@ namespace std # define _GLIBCXX_BEGIN_NAMESPACE_LDBL # define _GLIBCXX_END_NAMESPACE_LDBL #endif + #if _GLIBCXX_USE_CXX11_ABI # define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_CXX11 # define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_CXX11 @@ -450,6 +471,8 @@ namespace std # define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_LDBL #endif +#endif // _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && IEEE128 + // Debug Mode implies checking assertions. #if defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_ASSERTIONS) # define _GLIBCXX_ASSERTIONS 1 @@ -657,9 +680,12 @@ namespace std # define __cpp_lib_char8_t 201907L #endif -/* Define if __float128 is supported on this host. */ +/* Define if __float128 is supported on this host. */ #if defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__) -#define _GLIBCXX_USE_FLOAT128 +/* For powerpc64 don't use __float128 when it's the same type as long double. */ +# if !(defined(_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT) && defined(__LONG_DOUBLE_IEEE128__)) +# define _GLIBCXX_USE_FLOAT128 +# endif #endif #ifdef __has_builtin |