Add ARMv8 detection in CpuFeatures.

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 591 matching lines @@
     Logger::DeleteEventStatic(name, object); \
     ::operator delete(object); \
   }
 #else
 #define TRACK_MEMORY(name)
 #endif
 
 
 // CPU feature flags.
 enum CpuFeature {
-    // x86
-    SSE4_1,
-    SSE3,
-    SAHF,
-    // ARM
-    VFP3,
-    ARMv7,
-    SUDIV,
-    MLS,
-    UNALIGNED_ACCESSES,
-    MOVW_MOVT_IMMEDIATE_LOADS,
-    VFP32DREGS,
-    NEON,
-    // MIPS, MIPS64
-    FPU,
-    FP64FPU,
-    MIPSr1,
-    MIPSr2,
-    MIPSr6,
-    // ARM64
-    ALWAYS_ALIGN_CSP,
-    NUMBER_OF_CPU_FEATURES
+  // x86
+  SSE4_1,
+  SSE3,
+  SAHF,
+  // ARM
+  VFP3,
+  ARMv7,
+  ARMv8,
+  SUDIV,
+  MLS,
+  UNALIGNED_ACCESSES,
+  MOVW_MOVT_IMMEDIATE_LOADS,
+  VFP32DREGS,
+  NEON,
+  // MIPS, MIPS64
+  FPU,
+  FP64FPU,
+  MIPSr1,
+  MIPSr2,
+  MIPSr6,
+  // ARM64
+  ALWAYS_ALIGN_CSP,
+  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 161 matching lines @@
 
 inline bool IsConciseMethod(FunctionKind kind) {
   DCHECK(IsValidFunctionKind(kind));
   return kind & FunctionKind::kConciseMethod;
 }
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_