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

src/compiler/machine-operator.cc

Index: src/compiler/machine-operator.cc
diff --git a/src/compiler/machine-operator.cc b/src/compiler/machine-operator.cc
index 654d6e4993df0bd6df711cf1371ec2164460cddd..74ddd7a3da4663feeaf6bb8b1478aa2109c701a1 100644
--- a/src/compiler/machine-operator.cc
+++ b/src/compiler/machine-operator.cc
@@ -392,6 +392,8 @@ MachineRepresentation AtomicStoreRepresentationOf(Operator const* op) {
   V(Word64Ctz, Operator::kNoProperties, 1, 0, 1)            \
   V(Word32ReverseBits, Operator::kNoProperties, 1, 0, 1)    \
   V(Word64ReverseBits, Operator::kNoProperties, 1, 0, 1)    \
+  V(Word32ReverseBytes, Operator::kNoProperties, 1, 0, 1)   \
+  V(Word64ReverseBytes, Operator::kNoProperties, 1, 0, 1)   \
   V(Word32Popcnt, Operator::kNoProperties, 1, 0, 1)         \
   V(Word64Popcnt, Operator::kNoProperties, 1, 0, 1)         \
   V(Float32RoundDown, Operator::kNoProperties, 1, 0, 1)     \