Hi Tariq, It wold be great if you could review Gabe's patch on gerrit. Since it works for you, giving it a +1 or a +2 would be appropriate.
Cheers, Jason On Wed, May 23, 2018 at 5:56 PM Tariq Azmy <tariqslaye...@gmail.com> wrote: > Thanks Gabe. Yeah it does not impact the program but it's just that the > statistic is incorrect. > > By the way, I applied the patch and stats now shows correct micro-ops > entries. > > Appreciate your help. Thanks again > > On Wed, May 23, 2018 at 6:51 PM, Gabe Black <gabebl...@google.com> wrote: > >> Yep, those microops aren't given a operand class, and so the isa parser >> is guessing and making the FloatAddOp. I haven't really tested this beyond >> making sure it compiles, but here's a patch that might get this working for >> you. >> >> https://gem5-review.googlesource.com/c/public/gem5/+/10541 >> >> Gabe >> >> On Wed, May 23, 2018 at 4:13 PM, Gabe Black <gabebl...@google.com> wrote: >> >>> I'm confident they aren't implemented with floating point add. It's >>> likely either that the microops are misclassified, or they're unimplemented >>> and printing a warning, but the fact that they don't actually do any math >>> isn't impacting your program for whatever reason. I'll take a quick look. >>> >>> Gabe >>> >>> On Wed, May 23, 2018 at 2:07 PM, Tariq Azmy <tariqslaye...@gmail.com> >>> wrote: >>> >>>> Hi, >>>> >>>> I wrote simple code that does simple floating point multiplication and >>>> division operation and from the assembly, I can see there are MULSS and >>>> DIVSS instructions. But after I ran the simulation on gem5 and looked at >>>> the stat.txt, I can only see the entries in >>>> system.cpu.iq.FU_type_0::FloatAdd, where as the entries in FloatMul and >>>> FloatDiv remains 0. >>>> >>>> If I understand correctly, these stats refer to the micro-ops. Does >>>> that mean the MULSS and DIVSS instruction are broken down and executed with >>>> floating point Add? >>>> >>>> Thanks >>>> >>>> >>>> _______________________________________________ >>>> gem5-users mailing list >>>> gem5-users@gem5.org >>>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>>> >>> >>> >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@gem5.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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