On Apr 21, 2022, at 10:00:19, Gord Tomlin <[email protected]> wrote: > > On 2022-04-21 10:46 AM, Seymour J Metz wrote: >> Well, in the case of S/370 the compiler could emit JO or JNO after the add. > > Well, if only JO and JNO had existed in the days of S/370... > Wasn't there BC, even before the 370?
Yes, it required a base register, but weren't programmers in that era pretty much resigned to base registers? -- gil
