MIPS: [compiler] [wasm] Introduce Word32/64ReverseBytes as TF Optional Opcode.

src/compiler/mips/instruction-codes-mips.h

Index: src/compiler/mips/instruction-codes-mips.h
diff --git a/src/compiler/mips/instruction-codes-mips.h b/src/compiler/mips/instruction-codes-mips.h
index 1da4edff11dbbd095a65fe045c6d6c921f85df8f..4e4e363b4c5064ae5aba0ffc9310f935dbc1d50c 100644
--- a/src/compiler/mips/instruction-codes-mips.h
+++ b/src/compiler/mips/instruction-codes-mips.h
@@ -123,6 +123,7 @@ namespace compiler {
   V(MipsFloat64Min)                \
   V(MipsPush)                      \
   V(MipsStoreToStackSlot)          \
+  V(MipsByteSwap32)                \
   V(MipsStackClaim)
 
 // Addressing modes represent the "shape" of inputs to an instruction.