COBOL version was 6.3 using ARCH(13) OPT(2)
-Original Message-
From: IBM Mainframe Assembler List On
Behalf Of John Melcher
Sent: Tuesday, October 20, 2020 12:09
To: ASSEMBLER-LIST@LISTSERV.UGA.EDU
Subject: Re: Conditional MVCL macro?
JES2 has had a $MVCL macro since SP2.2.0.
What
The COBOL compiler for a 4000 byte move, from to the same with OPT(2)
generates
LAY R10,5072(,R9) FROM
LA R7,1072(,R9) TO
MVC 0(256,R7),0(R10)
MVC 256(256,R7),256(R10)
MVC 512(256,R7),512(R10)
MVC 768(256,R7),768(R10)
MVC 1024(256,R7),1024(R10)
MVC
