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Hi Andy, >> Right now it seems that BeginGroup/EndGroup is only used by SystemZ, >> or? I see they are used in checkHazard(), which I actually don't see >> as helpful during pre-RA scheduling for SystemZ. Could this be made >> optional, or perhaps only done post-RA if target does post-RA >> scheduling? SystemZ do...

...is is mostly true for SystemZ also since the majority of instructions are basically a single micro-op. > > (caveat: there may still be GenericScheduler implementation deficiencies because it is trying to support more scheduling features than we have in-tree targets). Right now it seems that BeginGroup/EndGroup is only used by SystemZ, or? I see they are used in checkHazard(), which I actually don't see as helpful during pre-RA scheduling for SystemZ. Could this be made optional, or perhaps only done post-RA if target does post-RA scheduling? SystemZ does post-RA scheduling to manage deco...

...for SystemZ also since the majority of instructions are basically a single micro-op. > >> >> (caveat: there may still be GenericScheduler implementation deficiencies because it is trying to support more scheduling features than we have in-tree targets). > Right now it seems that BeginGroup/EndGroup is only used by SystemZ, or? I see they are used in checkHazard(), which I actually don't see as helpful during pre-RA scheduling for SystemZ. Could this be made optional, or perhaps only done post-RA if target does post-RA scheduling? SystemZ does post-RA scheduling to manage decoder...

...sectioning, toc, environments, defuns, macros, cross references, (/sw/share/texmf/tex/generic/misc/epsf.tex) localization, and turning on texinfo input format.) ! Missing @endcsname inserted. <to be read again> @let @parsearg #1->@let @next = #1 at begingroup @obeylines @futurelet @temp @parsea... <argument> UseExternalXrefs at settitle R @setzzz ...tzzz ->@expandafter @gdef @csname SET#1 @endcsname {#2} @setyyy ... @empty @else @setzzz {#1}#2 at endsetzzz...

...} l.258 ...tor of coefficients for outcome \eqn{j}{} and I've inserted something that you may have forgotten. ------------------------------------------------------- Notice that the argument seems to have been doubled. I tried using \begingroup and \endgroup, and ran into problem with a later \eqn with nested braces. For reference, particularly in case I've missed something earlier, here is a fuller excerpt from the input file: -------------------------------------------- With \eqn{J} possible outcomes and \eqn{p_j}{p(j)} the proba...

...cheduled here. I then again would say (1). (Checking for decoder groups > pre-RA does BTW not make much sense on SystemZ, but that's another question). > > checkHazard() also return hazard if > > (CurrMOps > 0 && > ((isTop() && SchedModel->mustBeginGroup(SU->getInstr())) || > (!isTop() && SchedModel->mustEndGroup(SU->getInstr())))) > > , which also per the same lines makes me think that this is intended for the instruction stream management, or (1). > > There is also the fact that > > IsResourceLimite...

...e immediately previously scheduled here. I then again would say (1). (Checking for decoder groups pre-RA does BTW not make much sense on SystemZ, but that's another question). checkHazard() also return hazard if     (CurrMOps > 0 &&       ((isTop() && SchedModel->mustBeginGroup(SU->getInstr())) ||        (!isTop() && SchedModel->mustEndGroup(SU->getInstr())))) , which also per the same lines makes me think that this is intended for the instruction stream management, or (1). There is also the fact that IsResourceLimited =       checkResourceLimit(Sch...