[PATCH] D130938: [RISCV] Add scheduler class to PseudoReadVLENB.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: kito-cheng, frasercrmck, monkchiang, nitinjohnraj, reames.
Herald added subscribers: sunshaoce, VincentWu, luke957, StephenFan, vkmr, evandro, luismarques, apazos, sameer.abuasal, s.egerton, Jim, benna, psnobl, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, shiva0217, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya, arichardson.
Herald added a project: All.
craig.topper requested review of this revision.
Herald added subscribers: pcwang-thead, eopXD, MaskRay.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130938

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
  llvm/lib/Target/RISCV/RISCVScheduleV.td


Index: llvm/lib/Target/RISCV/RISCVScheduleV.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVScheduleV.td
+++ llvm/lib/Target/RISCV/RISCVScheduleV.td
@@ -9,6 +9,9 @@
 //===----------------------------------------------------------------------===//
 /// Define scheduler resources associated with def operands.
 
+// 3.6 Vector Byte Length vlenb
+def WriteRdVLENB      : SchedWrite;
+
 // 7. Vector Loads and Stores
 // 7.4. Vector Unit-Stride Instructions
 def WriteVLDE8        : SchedWrite;
@@ -493,6 +496,9 @@
 multiclass UnsupportedSchedV {
 let Unsupported = true in {
 
+// 3.6 Vector Byte Length vlenb
+def : WriteRes<WriteRdVLENB, []>;
+
 // 7. Vector Loads and Stores
 def : WriteRes<WriteVLDE8, []>;
 def : WriteRes<WriteVLDE16, []>;
Index: llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
@@ -4332,7 +4332,8 @@
 
 let hasSideEffects = 0, mayLoad = 0, mayStore = 0, isCodeGenOnly = 1 in {
   def PseudoReadVLENB : Pseudo<(outs GPR:$rd), (ins),
-                               [(set GPR:$rd, (riscv_read_vlenb))]>;
+                               [(set GPR:$rd, (riscv_read_vlenb))]>,
+                        Sched<[WriteRdVLENB]>;
 }
 
 let hasSideEffects = 0, mayLoad = 0, mayStore = 0, isCodeGenOnly = 1,


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D130938.449119.patch
Type: text/x-patch
Size: 1442 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220801/1c6487ef/attachment.bin>