We need to do better than ISA specific intrinsics. There should be a simd.h header in the C standard library that contains typedefs for vector types, and vario

We need to do better than ISA specific intrinsics. There should be a simd.h header in the C standard library that contains typedefs for vector types, and various functions to operate on them as well as Operators for them. Like my _Operator <symbol> <function name>; proposal, which requires no mangling.