[llvm] r297611 - [AArch64] Map Sched Read/Write resources for Falkor.
Balaram Makam via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 13 03:42:18 PDT 2017
Author: bmakam
Date: Mon Mar 13 05:42:17 2017
New Revision: 297611
URL: http://llvm.org/viewvc/llvm-project?rev=297611&view=rev
Log:
[AArch64] Map Sched Read/Write resources for Falkor.
Modified:
llvm/trunk/lib/Target/AArch64/AArch64SchedFalkor.td
Modified: llvm/trunk/lib/Target/AArch64/AArch64SchedFalkor.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64SchedFalkor.td?rev=297611&r1=297610&r2=297611&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SchedFalkor.td (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64SchedFalkor.td Mon Mar 13 05:42:17 2017
@@ -22,5 +22,187 @@ def FalkorModel : SchedMachineModel {
let LoopMicroOpBufferSize = 16;
let LoadLatency = 3; // Optimistic load latency.
let MispredictPenalty = 11; // Minimum branch misprediction penalty.
- let CompleteModel = 0;
+ let CompleteModel = 1;
+}
+
+//===----------------------------------------------------------------------===//
+// Define each kind of processor resource and number available on Falkor.
+
+let SchedModel = FalkorModel in {
+
+ def FalkorUnitB : ProcResource<1>; // Branch
+ def FalkorUnitLD : ProcResource<1>; // Load pipe
+ def FalkorUnitSD : ProcResource<1>; // Store data
+ def FalkorUnitST : ProcResource<1>; // Store pipe
+ def FalkorUnitX : ProcResource<1>; // Complex arithmetic
+ def FalkorUnitY : ProcResource<1>; // Simple arithmetic
+ def FalkorUnitZ : ProcResource<1>; // Simple arithmetic
+
+ def FalkorUnitVSD : ProcResource<1>; // Vector store data
+ def FalkorUnitVX : ProcResource<1>; // Vector X-pipe
+ def FalkorUnitVY : ProcResource<1>; // Vector Y-pipe
+
+ // Define the resource groups.
+ def FalkorUnitXYZ : ProcResGroup<[FalkorUnitX, FalkorUnitY, FalkorUnitZ]>;
+ def FalkorUnitXYZB : ProcResGroup<[FalkorUnitX, FalkorUnitY, FalkorUnitZ,
+ FalkorUnitB]>;
+ def FalkorUnitZB : ProcResGroup<[FalkorUnitZ, FalkorUnitB]>;
+ def FalkorUnitVXVY : ProcResGroup<[FalkorUnitVX, FalkorUnitVY]>;
+
+}
+
+//===----------------------------------------------------------------------===//
+// Map the target-defined scheduler read/write resources and latency for
+// Falkor.
+
+let SchedModel = FalkorModel in {
+
+def : WriteRes<WriteImm, [FalkorUnitXYZ]> { let Latency = 1; }
+def : WriteRes<WriteI, [FalkorUnitXYZ]> { let Latency = 1; }
+def : WriteRes<WriteISReg, [FalkorUnitVXVY, FalkorUnitVXVY]>
+ { let Latency = 1; let NumMicroOps = 2; }
+def : WriteRes<WriteIEReg, [FalkorUnitXYZ, FalkorUnitXYZ]>
+ { let Latency = 2; let NumMicroOps = 2; }
+def : WriteRes<WriteExtr, [FalkorUnitXYZ, FalkorUnitXYZ]>
+ { let Latency = 2; let NumMicroOps = 2; }
+def : WriteRes<WriteIS, [FalkorUnitXYZ]> { let Latency = 1; }
+def : WriteRes<WriteID32, [FalkorUnitX, FalkorUnitZ]>
+ { let Latency = 8; let NumMicroOps = 1; } // Fragent -1
+def : WriteRes<WriteID64, [FalkorUnitX, FalkorUnitZ]>
+ { let Latency = 8; let NumMicroOps = 1; } // Fragent -1
+def : WriteRes<WriteIM32, [FalkorUnitX]> { let Latency = 4; }
+def : WriteRes<WriteIM64, [FalkorUnitX]> { let Latency = 4; }
+def : WriteRes<WriteBr, [FalkorUnitB]> { let Latency = 1; }
+def : WriteRes<WriteBrReg, [FalkorUnitB]> { let Latency = 1; }
+def : WriteRes<WriteLD, [FalkorUnitLD]> { let Latency = 3; }
+def : WriteRes<WriteST, [FalkorUnitLD, FalkorUnitST, FalkorUnitSD]>
+ { let Latency = 3; let NumMicroOps = 3; }
+def : WriteRes<WriteSTP, [FalkorUnitST, FalkorUnitSD]>
+ { let Latency = 3; let NumMicroOps = 2; }
+def : WriteRes<WriteAdr, [FalkorUnitXYZ]> { let Latency = 5; }
+def : WriteRes<WriteLDIdx, [FalkorUnitLD]> { let Latency = 5; }
+def : WriteRes<WriteSTIdx, [FalkorUnitLD, FalkorUnitST, FalkorUnitSD]>
+ { let Latency = 4; let NumMicroOps = 3; }
+def : WriteRes<WriteF, [FalkorUnitVXVY, FalkorUnitVXVY]>
+ { let Latency = 3; let NumMicroOps = 2; }
+def : WriteRes<WriteFCmp, [FalkorUnitVXVY]> { let Latency = 2; }
+def : WriteRes<WriteFCvt, [FalkorUnitVXVY]> { let Latency = 4; }
+def : WriteRes<WriteFCopy, [FalkorUnitVXVY]> { let Latency = 4; }
+def : WriteRes<WriteFImm, [FalkorUnitVXVY]> { let Latency = 4; }
+def : WriteRes<WriteFMul, [FalkorUnitVXVY, FalkorUnitVXVY]>
+ { let Latency = 6; let NumMicroOps = 2; }
+def : WriteRes<WriteFDiv, [FalkorUnitVXVY, FalkorUnitVXVY]>
+ { let Latency = 12; let NumMicroOps = 2; } // Fragent -1 / NoRSV +1
+def : WriteRes<WriteV, [FalkorUnitVXVY]> { let Latency = 6; }
+def : WriteRes<WriteVLD, [FalkorUnitLD]> { let Latency = 3; }
+def : WriteRes<WriteVST, [FalkorUnitST]> { let Latency = 4; }
+
+def : WriteRes<WriteSys, []> { let Latency = 1; }
+def : WriteRes<WriteBarrier, []> { let Latency = 1; }
+def : WriteRes<WriteHint, []> { let Latency = 1; }
+
+def : WriteRes<WriteLDHi, []> { let Latency = 3; }
+
+def : WriteRes<WriteAtomic, []> { let Unsupported = 1; }
+
+// No forwarding logic is modelled yet.
+def : ReadAdvance<ReadI, 0>;
+def : ReadAdvance<ReadISReg, 0>;
+def : ReadAdvance<ReadIEReg, 0>;
+def : ReadAdvance<ReadIM, 0>;
+def : ReadAdvance<ReadIMA, 0>;
+def : ReadAdvance<ReadID, 0>;
+def : ReadAdvance<ReadExtrHi, 0>;
+def : ReadAdvance<ReadAdrBase, 0>;
+def : ReadAdvance<ReadVLD, 0>;
+
+//===----------------------------------------------------------------------===//
+// Specialize the coarse model by associating instruction groups with the
+// subtarget-defined types. As the modeled is refined, this will override most
+// of the above SchedWriteRes and SchedAlias mappings.
+
+// -----------------------------------------------------------------------------
+// Miscellaneous
+// -----------------------------------------------------------------------------
+
+def : InstRW<[WriteI], (instrs COPY)>;
+
+// -----------------------------------------------------------------------------
+// Vector Loads
+// -----------------------------------------------------------------------------
+def : InstRW<[WriteVLD], (instregex "LD1i(8|16|32|64)$")>;
+def : InstRW<[WriteVLD], (instregex "LD1Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD1Onev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD1Twov(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD1Threev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1Onev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1Twov(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1Threev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+
+def : InstRW<[WriteVLD], (instregex "LD2i(8|16|32|64)$")>;
+def : InstRW<[WriteVLD], (instregex "LD2Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD2Twov(8b|4h|2s)$")>;
+def : InstRW<[WriteVLD], (instregex "LD2Twov(16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD2i(8|16|32|64)(_POST)?$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD2Rv(8b|4h|2s|1d|16b|8h|4s|2d)(_POST)?$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD2Twov(8b|4h|2s)(_POST)?$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD2Twov(16b|8h|4s|2d)(_POST)?$")>;
+
+def : InstRW<[WriteVLD], (instregex "LD3i(8|16|32|64)$")>;
+def : InstRW<[WriteVLD], (instregex "LD3Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD3Threev(8b|4h|2s|1d|16b|8h|4s)$")>;
+def : InstRW<[WriteVLD], (instregex "LD3Threev(2d)$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD3i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD3Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD3Threev(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD3Threev(2d)_POST$")>;
+
+def : InstRW<[WriteVLD], (instregex "LD4i(8|16|32|64)$")>;
+def : InstRW<[WriteVLD], (instregex "LD4Rv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVLD], (instregex "LD4Fourv(8b|4h|2s|1d|16b|8h|4s)$")>;
+def : InstRW<[WriteVLD], (instregex "LD4Fourv(2d)$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD4i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD4Rv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD4Fourv(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
+def : InstRW<[WriteVLD, WriteAdr], (instregex "LD4Fourv(2d)_POST$")>;
+
+// -----------------------------------------------------------------------------
+// Vector Stores
+// -----------------------------------------------------------------------------
+def : InstRW<[WriteVST], (instregex "ST1i(8|16|32|64)$")>;
+def : InstRW<[WriteVST], (instregex "ST1Onev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVST], (instregex "ST1Twov(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVST], (instregex "ST1Threev(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVST], (instregex "ST1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST1i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST1Onev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST1Twov(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST1Threev(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST1Fourv(8b|4h|2s|1d|16b|8h|4s|2d)_POST$")>;
+
+def : InstRW<[WriteVST], (instregex "ST2i(8|16|32|64)$")>;
+def : InstRW<[WriteVST], (instregex "ST2Twov(8b|4h|2s)$")>;
+def : InstRW<[WriteVST], (instregex "ST2Twov(16b|8h|4s|2d)$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST2i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST2Twov(8b|4h|2s)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST2Twov(16b|8h|4s|2d)_POST$")>;
+
+def : InstRW<[WriteVST], (instregex "ST3i(8|16|32|64)$")>;
+def : InstRW<[WriteVST], (instregex "ST3Threev(8b|4h|2s|1d|16b|8h|4s)$")>;
+def : InstRW<[WriteVST], (instregex "ST3Threev(2d)$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST3i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST3Threev(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST3Threev(2d)_POST$")>;
+
+def : InstRW<[WriteVST], (instregex "ST4i(8|16|32|64)$")>;
+def : InstRW<[WriteVST], (instregex "ST4Fourv(8b|4h|2s|1d|16b|8h|4s)$")>;
+def : InstRW<[WriteVST], (instregex "ST4Fourv(2d)$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST4i(8|16|32|64)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST4Fourv(8b|4h|2s|1d|16b|8h|4s)_POST$")>;
+def : InstRW<[WriteVST, WriteAdr], (instregex "ST4Fourv(2d)_POST$")>;
+
}
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