[turbofan] CodeGenerator: Frame setup refactoring

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 106 matching lines @@
 
 const int kCharSize      = sizeof(char);      // NOLINT
 const int kShortSize     = sizeof(short);     // NOLINT
 const int kIntSize       = sizeof(int);       // NOLINT
 const int kInt32Size     = sizeof(int32_t);   // NOLINT
 const int kInt64Size     = sizeof(int64_t);   // NOLINT
 const int kFloatSize     = sizeof(float);     // NOLINT
 const int kDoubleSize    = sizeof(double);    // NOLINT
 const int kIntptrSize    = sizeof(intptr_t);  // NOLINT
 const int kPointerSize   = sizeof(void*);     // NOLINT
-#if V8_TARGET_ARCH_ARM64
-const int kFrameAlignmentInBytes = 2 * kPointerSize;
-#else
-const int kFrameAlignmentInBytes = kPointerSize;
-#endif
 #if V8_TARGET_ARCH_X64 && V8_TARGET_ARCH_32_BIT
 const int kRegisterSize  = kPointerSize + kPointerSize;
 #else
 const int kRegisterSize  = kPointerSize;
 #endif
 const int kPCOnStackSize = kRegisterSize;
 const int kFPOnStackSize = kRegisterSize;
 
 #if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X87
 const int kElidedFrameSlots = kPCOnStackSize / kPointerSize;
@@ skipping 897 matching lines @@
   return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >>
                                kPointerSizeLog2);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_