Fix typo that breaks compilation on x64.

src/x64/lithium-codegen-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 259 matching lines @@
     } else {
       __ subq(rsp, Immediate(slots * kPointerSize));
 #ifdef _MSC_VER
       // On windows, you may not access the stack more than one page below
       // the most recently mapped page. To make the allocated area randomly
       // accessible, we write to each page in turn (the value is irrelevant).
       const int kPageSize = 4 * KB;
       for (int offset = slots * kPointerSize - kPageSize;
            offset > 0;
            offset -= kPageSize) {
-        __ moveq(Operand(rsp, offset), rax);
+        __ movq(Operand(rsp, offset), rax);
       }
 #endif
     }
   }
 
   // Trace the call.
   if (FLAG_trace) {
     __ CallRuntime(Runtime::kTraceEnter, 0);
   }
   return !is_aborted();
@@ skipping 1170 matching lines @@
 
 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
   Abort("Unimplemented: %s", "DoOsrEntry");
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64