Move common static helpers from codegen to the macro-assembler files.

src/x64/macro-assembler-x64.h

 // Copyright 2009 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 964 matching lines @@
 
 // Generate an Operand for loading an indexed field from an object.
 static inline Operand FieldOperand(Register object,
                                    Register index,
                                    ScaleFactor scale,
                                    int offset) {
   return Operand(object, index, scale, offset - kHeapObjectTag);
 }
 
 
+static inline Operand ContextOperand(Register context, int index) {
+  return Operand(context, Context::SlotOffset(index));
+}
+
+
+static inline Operand GlobalObjectOperand() {
+  return ContextOperand(rsi, Context::GLOBAL_INDEX);
+}
+
+
+
 #ifdef GENERATED_CODE_COVERAGE
 extern void LogGeneratedCodeCoverage(const char* file_line);
 #define CODE_COVERAGE_STRINGIFY(x) #x
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) {                                               \
     byte* x64_coverage_function =                                         \
         reinterpret_cast<byte*>(FUNCTION_ADDR(LogGeneratedCodeCoverage)); \
     masm->pushfd();                                                       \
     masm->pushad();                                                       \
@@ skipping 696 matching lines @@
       Jump(adaptor, RelocInfo::CODE_TARGET);
     }
     bind(&invoke);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_