[wasm] Trap handling: ProtectedLoad instruction

src/compiler/ppc/instruction-selector-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/ppc/frames-ppc.h"
 
@@ skipping 211 matching lines @@
          g.DefineAsRegister(node), g.UseRegister(base), g.UseImmediate(offset));
   } else if (g.CanBeImmediate(base, mode)) {
     Emit(opcode | AddressingModeField::encode(kMode_MRI),
          g.DefineAsRegister(node), g.UseRegister(offset), g.UseImmediate(base));
   } else {
     Emit(opcode | AddressingModeField::encode(kMode_MRR),
          g.DefineAsRegister(node), g.UseRegister(base), g.UseRegister(offset));
   }
 }
 
+void InstructionSelector::VisitProtectedLoad(Node* node) {
+  // TODO(eholk)
+  UNIMPLEMENTED();
+}
 
 void InstructionSelector::VisitStore(Node* node) {
   PPCOperandGenerator g(this);
   Node* base = node->InputAt(0);
   Node* offset = node->InputAt(1);
   Node* value = node->InputAt(2);
 
   StoreRepresentation store_rep = StoreRepresentationOf(node->op());
   WriteBarrierKind write_barrier_kind = store_rep.write_barrier_kind();
   MachineRepresentation rep = store_rep.representation();
@@ skipping 1815 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8