Add f16 and f128 to rustc_type_ir::FloatTy and rustc_abi::Primitive

Make changes necessary to support these types in the compiler.

compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs

@@ -695,9 +695,13 @@ impl MsvcBasicName for ty::UintTy {
 
 impl MsvcBasicName for ty::FloatTy {
     fn msvc_basic_name(self) -> &'static str {
+        // FIXME: f16 and f128 have no MSVE representation. We could improve the debuginfo.
+        // See: <https://github.com/rust-lang/rust/pull/114607/files#r1454683264>
         match self {
+            ty::FloatTy::F16 => "half",
             ty::FloatTy::F32 => "float",
             ty::FloatTy::F64 => "double",
+            ty::FloatTy::F128 => "fp128",
         }
     }
 }