search for: alu2

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2014 Feb 18
2
[LLVMdev] Question about per-operand machine model
...#39;MCWriteProcResEntry'. For example, class InstTEST<..., InstrItinClass itin> : Instruction { let Itinerary = Itin; } // I assume this MI writes 2 registers. def TESTINST : InstTEST<..., II_TEST> // schedule info II_TEST: InstrItinClass; def ALU1: ProcResource<1>; def ALU2: ProcResource<1>; def WriteALU1: SchedWriteRes<[ALU1]> { let Latency = 1; } def WriteALU2: SchedWriteRes<[ALU2]> { let Latency = 2; } def : ItinRW<[WriteALU1, WriteALU2], [II_TEST]> From this example, we can access the latency information of MI with 'getWriteLatency...
2013 Feb 11
2
[LLVMdev] DFAPacketizer
...ems writing the ProcessorItineraries list. As instructions on my VLIW target have varying size I want to model both cpu units and bundle bits as FUs. The following does not work, to my surprise: InstrItinData<ALU, [InstrStage<1, [BITS1,BITS2, BITS3, BITS4], 0>, InstrStage<1, [ALU1, ALU2]>]> I want to express that there are two ALU's, and four bundle slots, and in this case while allocating this type of instructions several times, I would like to be allowed only two such instructions per cycle. ResourceTracker->reserveResources(); ResourceTracker->reserveResour...
2013 Feb 12
2
[LLVMdev] DFAPacketizer
...es list. As > instructions on my VLIW target have varying size I want to model both > cpu units and bundle bits as FUs. The following does not work, to my > surprise: > > InstrItinData<ALU, [InstrStage<1, [BITS1,BITS2, BITS3, BITS4], 0>, > > InstrStage<1, [ALU1, ALU2]>]> > > I want to express that there are two ALU's, and four bundle slots, and > in this case while allocating this type of instructions several times, > I would like to be allowed only two such instructions per cycle. > > ResourceTracker->reserveResources(); > &...
2013 Feb 12
0
[LLVMdev] DFAPacketizer
...neraries list. As instructions on my VLIW target have varying size I want to model both cpu units and bundle bits as FUs. The following does not work, to my surprise: InstrItinData<ALU, [InstrStage<1, [BITS1,BITS2, BITS3, BITS4], 0>, InstrStage<1, [ALU1, ALU2]>]> I want to express that there are two ALU's, and four bundle slots, and in this case while allocating this type of instructions several times, I would like to be allowed only two such instructions per cycle. ResourceTracker->reserveResources(); ResourceTracker->reserveResources...
2013 Feb 18
0
[LLVMdev] DFAPacketizer
...neraries list. As instructions on my VLIW target have varying size I want to model both cpu units and bundle bits as FUs. The following does not work, to my surprise: InstrItinData<ALU, [InstrStage<1, [BITS1,BITS2, BITS3, BITS4], 0>, InstrStage<1, [ALU1, ALU2]>]> I want to express that there are two ALU's, and four bundle slots, and in this case while allocating this type of instructions several times, I would like to be allowed only two such instructions per cycle. ResourceTracker->reserveResources(); ResourceTracker->reserveResources...
2014 Jan 28
3
[LLVMdev] New machine model questions
From: Andrew Trick [mailto:atrick at apple.com] Sent: 24 January 2014 21:52 To: Daniel Sanders Cc: LLVM Developers Mailing List (llvmdev at cs.uiuc.edu) Subject: Re: New machine model questions On Jan 24, 2014, at 2:21 AM, Daniel Sanders <Daniel.Sanders at imgtec.com<mailto:Daniel.Sanders at imgtec.com>> wrote: Hi Andrew, I seem to be making good progress on the P5600 scheduler
2013 Feb 11
0
[LLVMdev] DFAPacketizer
...neraries list. As instructions on my VLIW target have varying size I want to model both cpu units and bundle bits as FUs. The following does not work, to my surprise: InstrItinData<ALU, [InstrStage<1, [BITS1,BITS2, BITS3, BITS4], 0>, InstrStage<1, [ALU1, ALU2]>]> I want to express that there are two ALU's, and four bundle slots, and in this case while allocating this type of instructions several times, I would like to be allowed only two such instructions per cycle. ResourceTracker->reserveResources(); ResourceTracker->reserveResources...