I can imagine a junior assembler programmer thinking that they should branch to the DROP to ensure it was executed before entering the following code. I think it takes a while for new programmers to understand what USING and DROP statements actually do other than the necessity of having a USING at the beginning of a program (often hidden in a macro).
On 2024-10-01 5:46 p.m., Steve Thompson wrote:
EXTERNAL EMAIL ALERT This email originated from outside of DataKinetics. Do not click links or open any attachments unless you both recognize the sender, and know the content is safe. Yes the subject is correct. I just ran into this situation. Program is in production. Multiple points in this program do the following: B DROPR11 Now, a few screens away we have this: DROPR11 DROP R11 LA R1,xxxxx (or something similar) The DROPR11 above gets flagged with an invalid label The various B DROPR11 statements resolve to the LA R1xxxx Anyone see a problem with this? When did this kind of thing get accepted? I would have figured that invalid label would have gotten at least an RC=8 And every one of those "Branch" instructions would have been flagged for an undefined label or some such. An inquiring mind would like to know. Regards, Steve Thompson
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