public void RunStructFldScenario(SimpleTernaryOpTest__SubtractHighNarrowUpper_Vector128_SByte testClass)
            {
                var result = AdvSimd.SubtractHighNarrowUpper(_fld1, _fld2, _fld3);

                Unsafe.Write(testClass._dataTable.outArrayPtr, result);
                testClass.ValidateResult(_fld1, _fld2, _fld3, testClass._dataTable.outArrayPtr);
            }
            public void RunStructFldScenario_Load(SimpleTernaryOpTest__SubtractHighNarrowUpper_Vector128_SByte testClass)
            {
                fixed(Vector64 <SByte> *pFld1 = &_fld1)
                fixed(Vector128 <Int16> *pFld2 = &_fld2)
                fixed(Vector128 <Int16> *pFld3 = &_fld3)
                {
                    var result = AdvSimd.SubtractHighNarrowUpper(
                        AdvSimd.LoadVector64((SByte *)(pFld1)),
                        AdvSimd.LoadVector128((Int16 *)(pFld2)),
                        AdvSimd.LoadVector128((Int16 *)(pFld3))
                        );

                    Unsafe.Write(testClass._dataTable.outArrayPtr, result);
                    testClass.ValidateResult(_fld1, _fld2, _fld3, testClass._dataTable.outArrayPtr);
                }
            }