[llvm] [RISCV][llvm] Preliminary P extension codegen support (PR #162668)

[Craig Topper via llvm-commits]

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@@ -2929,6 +2935,8 @@ bool RISCVInstrInfo::verifyInstruction(const MachineInstr &MI,
           // clang-format off
         CASE_OPERAND_SIMM(5)
         CASE_OPERAND_SIMM(6)
+        CASE_OPERAND_SIMM(8)
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topperc wrote:

I'm not sure why `CASE_OPERAND_SIMM(8)` is needed. Is it used?

https://github.com/llvm/llvm-project/pull/162668