Introduce xchgl, orl, roll, subl, testl and xorl into X64 assembler

src/x64/lithium-gap-resolver-x64.cc

 // Copyright 2011 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 244 matching lines @@
 void LGapResolver::EmitSwap(int index) {
   LOperand* source = moves_[index].source();
   LOperand* destination = moves_[index].destination();
 
   // Dispatch on the source and destination operand kinds.  Not all
   // combinations are possible.
   if (source->IsRegister() && destination->IsRegister()) {
     // Swap two general-purpose registers.
     Register src = cgen_->ToRegister(source);
     Register dst = cgen_->ToRegister(destination);
-    __ xchg(dst, src);
+    __ xchgq(dst, src);
 
   } else if ((source->IsRegister() && destination->IsStackSlot()) ||
              (source->IsStackSlot() && destination->IsRegister())) {
     // Swap a general-purpose register and a stack slot.
     Register reg =
         cgen_->ToRegister(source->IsRegister() ? source : destination);
     Operand mem =
         cgen_->ToOperand(source->IsRegister() ? destination : source);
     __ movq(kScratchRegister, mem);
     __ movq(mem, reg);
@@ skipping 51 matching lines @@
       moves_[i].set_source(source);
     }
   }
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64