Make FlushICache NOP for Nvidia Denver CPU's.

src/globals.h

 // Copyright 2012 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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 605 matching lines @@
   VFP32DREGS,
   NEON,
   // MIPS, MIPS64
   FPU,
   FP64FPU,
   MIPSr1,
   MIPSr2,
   MIPSr6,
   // ARM64
   ALWAYS_ALIGN_CSP,
+  COHERENT_CACHE,
   NUMBER_OF_CPU_FEATURES
 };
 
 
 // Used to specify if a macro instruction must perform a smi check on tagged
 // values.
 enum SmiCheckType {
   DONT_DO_SMI_CHECK,
   DO_SMI_CHECK
 };
@@ skipping 172 matching lines @@
   DCHECK(IsValidFunctionKind(kind));
   return kind & FunctionKind::kDefaultConstructor;
 }
 
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_