USING ought to be as helpful as possible. HLASM - like other products can be driven by user requests. The more requests/votes we have - the higher up the list the requirement goes. If the community feels this change is important/useful/desirable then please raise a requirement and vote for it. It will certainly get my vote.
see http://www.ibm.com/support/docview.wss?uid=swg21577670 Sharuff > Date: Tue, 4 Nov 2014 08:41:10 -0700 > From: Paul Gilmartin <paulgboul...@aim.com> > Subject: Re: What does the 'end' address on a USING statement mean? > > On 2014-11-04, at 05:54, Peter Relson wrote: > > > > Since the construct pre-dated long-displacement, it's quite possible that > > it means very little with respect to long displacement. Or perhaps, for > > long displacement, the "end" is to some extent ignored (although it might > > be used to select from among multiple choices). > > ... > > As opposed to > > USING (*,*+1000),RegA > > USING *+1000,RegB > > > It seems to me to be even more important to enforce END with long > displacements because in many cases base register combinations > which produce unique resolutions with 12-bit displacements may > produce ambiguous resolutions with long displacements. > > I suspect that HLASM development merely overlooked the design > changes necessary to accommodate long displacements fully. > > -- gil > Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
