[Atomics] Make Atomics.compareExchange a builtin using TF

src/compiler/opcodes.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_OPCODES_H_
 #define V8_COMPILER_OPCODES_H_
 
 #include <iosfwd>
 
 #include "src/globals.h"
@@ skipping 536 matching lines @@
   V(Int32PairSub)               \
   V(Int32PairMul)               \
   V(Word32PairShl)              \
   V(Word32PairShr)              \
   V(Word32PairSar)              \
   V(ProtectedLoad)              \
   V(ProtectedStore)             \
   V(AtomicLoad)                 \
   V(AtomicStore)                \
   V(AtomicExchange)             \
+  V(AtomicCompareExchange)      \
   V(UnsafePointerAdd)
 
 #define MACHINE_SIMD_OP_LIST(V)  \
   V(Float32x4Splat)              \
   V(Float32x4ExtractLane)        \
   V(Float32x4ReplaceLane)        \
   V(Float32x4Abs)                \
   V(Float32x4Neg)                \
   V(Float32x4Sqrt)               \
   V(Float32x4RecipApprox)        \
@@ skipping 227 matching lines @@
   }
 };
 
 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, IrOpcode::Value);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPCODES_H_