[Atomics] Make Atomics.store a builtin using TF

src/compiler/mips/code-generator-mips.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/ast/scopes.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/osr.h"
@@ skipping 1328 matching lines @@
       break;
     case kAtomicLoadInt16:
       ASSEMBLE_ATOMIC_LOAD_INTEGER(lh);
       break;
     case kAtomicLoadUint16:
       ASSEMBLE_ATOMIC_LOAD_INTEGER(lhu);
       break;
     case kAtomicLoadWord32:
       ASSEMBLE_ATOMIC_LOAD_INTEGER(lw);
       break;
+    case kAtomicStoreWord8:
+    case kAtomicStoreWord16:
+    case kAtomicStoreWord32:
+      // TODO(binji): implement
+      __ nop();
+      break;
   }
   return kSuccess;
 }  // NOLINT(readability/fn_size)
 
 
 #define UNSUPPORTED_COND(opcode, condition)                                  \
   OFStream out(stdout);                                                      \
   out << "Unsupported " << #opcode << " condition: \"" << condition << "\""; \
   UNIMPLEMENTED();
 
@@ skipping 608 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8