[Atomics] Make Atomics.compareExchange a builtin using TF

src/compiler/instruction-scheduler.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"
 
 #include "src/base/adapters.h"
 #include "src/base/utils/random-number-generator.h"
 
 namespace v8 {
@@ skipping 313 matching lines @@
     case kAtomicStoreWord8:
     case kAtomicStoreWord16:
     case kAtomicStoreWord32:
       return kHasSideEffect;
 
     case kAtomicExchangeInt8:
     case kAtomicExchangeUint8:
     case kAtomicExchangeInt16:
     case kAtomicExchangeUint16:
     case kAtomicExchangeWord32:
+    case kAtomicCompareExchangeInt8:
+    case kAtomicCompareExchangeUint8:
+    case kAtomicCompareExchangeInt16:
+    case kAtomicCompareExchangeUint16:
+    case kAtomicCompareExchangeWord32:
       return kHasSideEffect;
 
 #define CASE(Name) case k##Name:
     TARGET_ARCH_OPCODE_LIST(CASE)
 #undef CASE
       return GetTargetInstructionFlags(instr);
   }
 
   UNREACHABLE();
   return kNoOpcodeFlags;
@@ skipping 17 matching lines @@
       }
     }
 
     node->set_total_latency(max_latency + node->latency());
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8