GCC front-end for IBM XL Pascal/6000 VS Mode

Is anyone aware of a front-end for gcc that understands IBM XL Pascal/ 6000 VS Mode Pascal dialect? Failing that, has anyone had experience in porting or automatically translating (i.e. "transforming") XL Pascal (VS Mode) to GPC? Many thanks, Shirley Shirley Goldrei PhD Student Computing Department Macquarie University