gcc or clang know about Decimal64 (ISO/IEC TR 24732).?

does osx 10.11, xcode 7.2 gcc or clang support this?


i get a compiler error


configure: error: Compiler doesn't know _Decimal64 (ISO/IEC TR 24732)


www.open-std.org/jtc1/sc22/wg14/www/docs/n1312.pdf

and this


Compiler doesn't know __float128; try GCC >= 4.3

gcc or clang know about Decimal64 (ISO/IEC TR 24732).?
 
 
Q