[clang] [llvm] [RISCV][MC] Add support for Q extension (PR #139369)

[Iris Shi via cfe-commits]

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@@ -599,6 +599,13 @@ void RISCVInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
     return;
   }
 
+  if (RISCV::FPR128RegClass.contains(DstReg, SrcReg)) {
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el-ev wrote:

I missed it. Removed.

https://github.com/llvm/llvm-project/pull/139369