Cleanup of x64 code. Rearrange functions in ic-x64.cc to match order in ic-i...

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 518 matching lines @@
   static const int kRealPatchReturnSequenceAddressOffset = 2;
 
   // The x64 JS return sequence is padded with int3 to make it large
   // enough to hold a call instruction when the debugger patches it.
   static const int kCallInstructionLength = 13;
   static const int kJSReturnSequenceLength = 13;
 
   // The debug break slot must be able to contain a call instruction.
   static const int kDebugBreakSlotLength = kCallInstructionLength;
 
+  // One byte opcode for test eax,0xXXXXXXXX.
+  static const byte kTestEaxByte = 0xA9;
 
   // ---------------------------------------------------------------------------
   // Code generation
   //
   // Function names correspond one-to-one to x64 instruction mnemonics.
   // Unless specified otherwise, instructions operate on 64-bit operands.
   //
   // If we need versions of an assembly instruction that operate on different
   // width arguments, we add a single-letter suffix specifying the width.
   // This is done for the following instructions: mov, cmp, inc, dec,
@@ skipping 947 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_