Extend TF test coverage to unsupported targets.

src/compiler/pipeline.h

 // 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.
 
 #ifndef V8_COMPILER_PIPELINE_H_
 #define V8_COMPILER_PIPELINE_H_
 
 #include "src/v8.h"
 
 #include "src/compiler.h"
 
 // Note: TODO(turbofan) implies a performance improvement opportunity,
 //   and TODO(name) implies an incomplete implementation
 
-#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64 || \
-    V8_TARGET_ARCH_ARM
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM
 #ifndef _WIN64
 #define V8_TURBOFAN_TARGET 1
 #else
 #define V8_TURBOFAN_TARGET 0
 #endif
 #else
 #define V8_TURBOFAN_TARGET 0
 #endif
 
 namespace v8 {
@@ skipping 16 matching lines @@
 
   // Run the pipeline on a machine graph and generate code. If {schedule}
   // is {NULL}, then compute a new schedule for code generation.
   Handle<Code> GenerateCodeForMachineGraph(Linkage* linkage, Graph* graph,
                                            Schedule* schedule = NULL);
 
   CompilationInfo* info() const { return info_; }
   Zone* zone() { return info_->zone(); }
   Isolate* isolate() { return info_->isolate(); }
 
-  static inline bool SupportedTarget() {
-#if V8_TARGET_ARCH_ARM64
-    // TODO(turbofan): The ARM64 port is temporarily disabled.
-    return false;
-#else
-    return V8_TURBOFAN_TARGET != 0;
-#endif
-  }
+  static inline bool SupportedTarget() { return V8_TURBOFAN_TARGET != 0; }
 
   static inline bool VerifyGraphs() {
 #ifdef DEBUG
     return true;
 #else
     return FLAG_turbo_verify;
 #endif
   }
 
  private:
   CompilationInfo* info_;
 
   Schedule* ComputeSchedule(Graph* graph);
   void VerifyAndPrintGraph(Graph* graph, const char* phase);
   Handle<Code> GenerateCode(Linkage* linkage, Graph* graph, Schedule* schedule,
                             SourcePositionTable* source_positions);
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_PIPELINE_H_