[llvm] [GISEL][RISCV] RegBank Scalable Vector Load/Store (PR #99932)

Craig Topper via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 30 11:06:23 PDT 2024


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@@ -333,10 +340,18 @@ RISCVRegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
   }
   case TargetOpcode::G_STORE: {
     LLT Ty = MRI.getType(MI.getOperand(0).getReg());
-    OpdsMapping[0] = GPRValueMapping;
-    OpdsMapping[1] = GPRValueMapping;
+    TypeSize Size = Ty.getSizeInBits();
+    if (Ty.isVector()) {
+      OpdsMapping[0] = getVRBValueMapping(Size.getKnownMinValue());
+      OpdsMapping[1] = getVRBValueMapping(Size.getKnownMinValue());
----------------
topperc wrote:

OpsMapping[1] should always be GPRValueMapping

https://github.com/llvm/llvm-project/pull/99932


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