[wasm] Enable I64Neq on 32 bit platforms.

src/compiler/wasm-compiler.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/wasm-compiler.h"
 
 #include "src/isolate-inl.h"
 
 #include "src/base/platform/platform.h"
 
@@ skipping 493 matching lines @@
       op = m->Word64Xor();
       break;
 // kExprI64Shl:
 // kExprI64ShrU:
 // kExprI64ShrS:
 // kExprI64Eq:
     case wasm::kExprI64Eq:
       op = m->Word64Equal();
       break;
 // kExprI64Ne:
+    case wasm::kExprI64Ne:
+      return Invert(Binop(wasm::kExprI64Eq, left, right));
 // kExprI64LtS:
 // kExprI64LeS:
 // kExprI64LtU:
 // kExprI64LeU:
 // kExprI64GtS:
 // kExprI64GeS:
 // kExprI64GtU:
 // kExprI64GeU:
 
 // kExprI32ConvertI64:
@@ skipping 67 matching lines @@
                               trap_->ZeroCheck64(kTrapRemByZero, right));
     case wasm::kExprI64Shl:
       op = m->Word64Shl();
       break;
     case wasm::kExprI64ShrU:
       op = m->Word64Shr();
       break;
     case wasm::kExprI64ShrS:
       op = m->Word64Sar();
       break;
-    case wasm::kExprI64Ne:
-      return Invert(Binop(wasm::kExprI64Eq, left, right));
     case wasm::kExprI64LtS:
       op = m->Int64LessThan();
       break;
     case wasm::kExprI64LeS:
       op = m->Int64LessThanOrEqual();
       break;
     case wasm::kExprI64LtU:
       op = m->Uint64LessThan();
       break;
     case wasm::kExprI64LeU:
@@ skipping 1641 matching lines @@
         module_env->module->GetName(function.name_offset));
   }
 
   return code;
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8