WIP: wasm oob trap handling experiments

src/compiler/x64/instruction-scheduler-x64.cc

 // Copyright 2015 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/compiler/instruction-scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 133 matching lines @@
     case kX64Movsxlq:
       DCHECK(instr->InputCount() >= 1);
       return instr->InputAt(0)->IsRegister() ? kNoOpcodeFlags
                                              : kIsLoadOperation;
 
     case kX64Movb:
     case kX64Movw:
       return kHasSideEffect;
 
     case kX64Movl:
+    case kX64TrapMovl:
       if (instr->HasOutput()) {
         DCHECK(instr->InputCount() >= 1);
         return instr->InputAt(0)->IsRegister() ? kNoOpcodeFlags
                                                : kIsLoadOperation;
       } else {
         return kHasSideEffect;
       }
 
     case kX64Movq:
     case kX64Movsd:
@@ skipping 25 matching lines @@
 
 
 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
   // TODO(all): Add instruction cost modeling.
   return 1;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8