Use "l rx,cvtptr(0,0)" Em ter., 9 de jul. de 2024, 20:05, Ngan, Robert (DXC Luxoft) < robert.n...@dxc.com> escreveu:
> Try: > > L R9,CVTPTR GET POINTER TO CVT(,0) > > Robert Ngan > DXC Luxoft > > -----Original Message----- > From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> On > Behalf Of Schmitt, Michael > Sent: Tuesday, July 9, 2024 17:34 > To: ASSEMBLER-LIST@LISTSERV.UGA.EDU > Subject: Getting to CVT with FLAG(PAGE0) > > [Some people who received this message don't often get email from > michael.schm...@dxc.com. Learn why this is important at > https://aka.ms/LearnAboutSenderIdentification ] > > I'm testing to see if FLAG(PAGE0) gives too many false hits. > > One problem is with code that is locating the CVT, which is a pointed to > by an absolute address. Using CVT DSECT=YES: > > L R9,CVTPTR GET POINTER TO CVT > > results in: > > ** ASMA309W Operand CVTPTR resolved to a displacement with no base register > > > Does this mean: > > A. Yeah, it is going to give that warning. You have to consider each case > to determine if the warning is valid or not. > B. I'm coding it wrong. > C. I'm coding it right but there's a better way to code it that won't > trigger the error. > > > I like my compiles and assembles to be clean: no warnings. So I'm not a > fan of option A. > > I suppose I could put in a compile option to set FLAG(NOPAGE0) in programs > that are getting to the CVT. > > > Statistics: of around 80 assembler programs: > 2 hit the CVT case > 1 set a 1 byte switch to an equate with MVC (should have been MVI) > 1 used L R15,8 to set a return code to 8. > > ___________________________________________________ > Michael Schmitt | DXC Apps Development | MassMutual > (737) 910-8248 | michael.schm...@dxc.com >
