[llvm] [Mips] Fix buildbot failure of MIPS I double store using SWC1 (PR #221912)

[via llvm-commits]

================
@@ -532,7 +532,22 @@ bool MipsSEInstrInfo::expandPostRAPseudo(MachineInstr &MI) const {
   case Mips::BuildPairF64_64:
     expandBuildPairF64(MBB, MI, isMicroMips, true);
     break;
-  case Mips::ExtractElementF64_FPR:
+  case Mips::ExtractElementF64_FPR: {
----------------
yingopq wrote:

Done. Could you hep review again?

https://github.com/llvm/llvm-project/pull/221912