Introduce kRegisterSize, kPCOnStackSize and kFPOnStackSize constants

src/globals.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 221 matching lines @@
 // Constants
 
 const int KB = 1024;
 const int MB = KB * KB;
 const int GB = KB * KB * KB;
 const int kMaxInt = 0x7FFFFFFF;
 const int kMinInt = -kMaxInt - 1;
 
 const uint32_t kMaxUInt32 = 0xFFFFFFFFu;
 
-const int kCharSize     = sizeof(char);      // NOLINT
-const int kShortSize    = sizeof(short);     // NOLINT
-const int kIntSize      = sizeof(int);       // NOLINT
-const int kDoubleSize   = sizeof(double);    // NOLINT
-const int kIntptrSize   = sizeof(intptr_t);  // NOLINT
-const int kPointerSize  = sizeof(void*);     // NOLINT
+const int kCharSize      = sizeof(char);      // NOLINT
+const int kShortSize     = sizeof(short);     // NOLINT
+const int kIntSize       = sizeof(int);       // NOLINT
+const int kDoubleSize    = sizeof(double);    // NOLINT
+const int kIntptrSize    = sizeof(intptr_t);  // NOLINT
+const int kPointerSize   = sizeof(void*);     // NOLINT
+const int kRegisterSize  = kPointerSize;
+const int kPCOnStackSize = kRegisterSize;
+const int kFPOnStackSize = kRegisterSize;
 
 const int kDoubleSizeLog2 = 3;
 
 // Size of the state of a the random number generator.
 const int kRandomStateSize = 2 * kIntSize;
 
 #if V8_HOST_ARCH_64_BIT
 const int kPointerSizeLog2 = 3;
 const intptr_t kIntptrSignBit = V8_INT64_C(0x8000000000000000);
 const uintptr_t kUintptrAllBitsSet = V8_UINT64_C(0xFFFFFFFFFFFFFFFF);
@@ skipping 182 matching lines @@
 // the backend, so both modes are represented by the kStrictMode value.
 enum StrictModeFlag {
   kNonStrictMode,
   kStrictMode
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBALS_H_