Add a kSimd128 machine type for Turbofan.

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 feb6c5809b704e5b2ec52d3c421a9e4f4e3a74f9..3b6f21b151852a99cdab6f5fc53e6e5e194dae0b 100644
--- a/src/compiler/machine-operator.cc
+++ b/src/compiler/machine-operator.cc
@@ -221,6 +221,7 @@ MachineRepresentation StackSlotRepresentationOf(Operator const* op) {
 #define MACHINE_TYPE_LIST(V) \
   V(Float32)                 \
   V(Float64)                 \
+  V(Simd128)                 \
   V(Int8)                    \
   V(Uint8)                   \
   V(Int16)                   \
@@ -232,17 +233,16 @@ MachineRepresentation StackSlotRepresentationOf(Operator const* op) {
   V(Pointer)                 \
   V(AnyTagged)
 
-
 #define MACHINE_REPRESENTATION_LIST(V) \
   V(kFloat32)                          \
   V(kFloat64)                          \
+  V(kSimd128)                          \
   V(kWord8)                            \
   V(kWord16)                           \
   V(kWord32)                           \
   V(kWord64)                           \
   V(kTagged)
 
-
 struct MachineOperatorGlobalCache {
 #define PURE(Name, properties, value_input_count, control_input_count,         \
              output_count)                                                     \