// Handles byval parameters.
CCIfByVal<CCPassByVal<4, 4>>,
+ // The 'nest' parameter, if any, is passed in R12.
+ CCIfNest<CCAssignToReg<[R12]>>,
+
// Handle all vector types as either f64 or v2f64.
CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,