__HAVE_BUILTIN_BSWAP16__ 85 include/linux/compiler-gcc4.h #define __HAVE_BUILTIN_BSWAP16__ __HAVE_BUILTIN_BSWAP16__ 64 include/linux/compiler-gcc5.h #define __HAVE_BUILTIN_BSWAP16__ __HAVE_BUILTIN_BSWAP16__ 37 include/linux/compiler-intel.h #define __HAVE_BUILTIN_BSWAP16__