Might ask for help on the Hercules forums.  They have updated the IFOX
assembler with user mode z instructions, for example.

On Sat, Jun 18, 2022 at 4:47 PM Robert Prins <[email protected]> wrote:
>
> Thanks, that might help. I've found that for the 2.3.0compiler, the table
> is printed via "ibmfefca", got the "brilliant" idie of looking for "grand
> total" in the library routines. Haven't yet figured out how to disassemble
> it, and even if I could, I'm not sure what I would be looking for, i.e. the
> instruction that skips the printing of zero, or, as negative counts come
> out as zero, zeror-or-negative counts, if anyone here could help with that,
> I'd be grateful.
>
> Robert
>
> On Sat, 18 Jun 2022 at 18:08, Tony Harminc <[email protected]> wrote:
>
> > On Sat, 18 Jun 2022 at 08:53, Robert Prins <[email protected]>
> > wrote:
> >
> > > Does anyone know which library modules are responsible for the
> > > implementation of these two compiler options, and more precisely, for the
> > > reporting of statement counts, as I need to (try to) patch the latter,
> > > given that it treats negative counts as zero, and I now have a program
> > > where four of the counts have turned negative, because the statements are
> > > executed more than 2^31-1 times.
> >
> > According to
> > http://bitsavers.org/pdf/ibm/370/pli/SC33-0025-3_PLI_Optimizing_Compiler_Execution_Logic_Sep85.pdf
> > you want module IBMBEFL.
> >
> > In that book, look at page 141 onwards for the description of how
> > things work, and for the Flow data area, page 369. I'm not seeing
> > right away where the Count info is stored, but I'm sure you can figure
> > it out from there...
> >
> > Tony H.
> >
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>
>
> --
> Robert AH Prins
> robert(a)prino(d)org
> The hitchhiking grandfather <https://prino.neocities.org/index.html>
> Some REXX code for use on z/OS
> <https://prino.neocities.org/zOS/zOS-Tools.html>
>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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