X64 Implementation: Make codegen load literals and assign to local variables.

src/x64/register-allocator-x64.cc

 // 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 48 matching lines @@
 
 void Result::ToRegister(Register target) {
   ASSERT(is_valid());
   if (!is_register() || !reg().is(target)) {
     Result fresh = CodeGeneratorScope::Current()->allocator()->Allocate(target);
     ASSERT(fresh.is_valid());
     if (is_register()) {
       CodeGeneratorScope::Current()->masm()->movq(fresh.reg(), reg());
     } else {
       ASSERT(is_constant());
-      /*
-      TODO(X64): Handle constant results.
-      if (CodeGeneratorScope::Current()->IsUnsafeSmi(handle())) {
-        CodeGeneratorScope::Current()->LoadUnsafeSmi(fresh.reg(), handle());
+      if (handle()->IsSmi()) {
+        if (CodeGeneratorScope::Current()->IsUnsafeSmi(handle())) {
+          CodeGeneratorScope::Current()->LoadUnsafeSmi(fresh.reg(), handle());
+        } else {
+          CodeGeneratorScope::Current()->masm()->
+              movq(fresh.reg(), handle(), RelocInfo::NONE);
+        }
       } else {
-        CodeGeneratorScope::Current()->masm()->Set(fresh.reg(),
-                                                   Immediate(handle()));
+        CodeGeneratorScope::Current()->masm()->
+            movq(fresh.reg(), handle(), RelocInfo::EMBEDDED_OBJECT);
       }
-      */
     }
     *this = fresh;
   } else if (is_register() && reg().is(target)) {
     ASSERT(CodeGeneratorScope::Current()->has_valid_frame());
     CodeGeneratorScope::Current()->frame()->Spill(target);
     ASSERT(CodeGeneratorScope::Current()->allocator()->count(target) == 1);
   }
   ASSERT(is_register());
   ASSERT(reg().is(target));
 }
 
 
 } }  // namespace v8::internal