================
@@ -57,6 +57,86 @@ class QCIRVInstRR<bits<5> func5, DAGOperand InTyRs1, string
opcodestr>
: RVInstR<{0b00, func5}, 0b011, OPC_CUSTOM_0, (outs GPRNoX0:$rd),
(ins InTyRs1:$rs1, GPRNoX0:$rs2), opcodestr, "$rd, $rs1, $rs2">;
+let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
+class QCISELECTIICC<bits<3> func3, string opcodestr>
+ : RVInst<(outs GPRNoX0:$rd_wb), (ins GPRNoX0:$rd, GPRNoX0:$rs1,
----------------
topperc wrote:
Can we use `RVInstR4` here? Then you only need to do
```
let Constraints = "$rd = $rd_wb";
bits<5> simm;
bits<5> simm5;
let rs3 = simm;
let rs2 = simm5;
```
https://github.com/llvm/llvm-project/pull/119504
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