Yes, you have to be carefull. But CALL doesn´t do that -----Mensagem original----- De: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> Em nome de Paul Gilmartin Enviada em: quinta-feira, 14 de julho de 2022 17:25 Para: ASSEMBLER-LIST@LISTSERV.UGA.EDU Assunto: Re: RES: YA MGCRE RCF?
On 7/14/22 13:11:38, João Reginato wrote: > Yes, all the lines coded after the OPSYN will treat the "LA" instruction as a > "LAY" until you suspend it with a new "LA OPSYN ," > Mustn't one be careful with this sort of OPSYN because some library macros branch around generated code using absolute displacements rather than generated labels? If the OPSYNed instruction has a different length this will cause a wild branch. > -----Mensagem original----- > De: Schmitt, Michael > Enviada em: quinta-feira, 14 de julho de 2022 11:30 > > I've never used OPSYN. Can this technique be used with the execute form of > the CALL macro, so that the linkage items can be further away from the base > registers. -- gil
