Port new version of ParallelMove's LGapResolver to X64.

src/SConscript

 # 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 198 matching lines @@
     x64/code-stubs-x64.cc
     x64/codegen-x64.cc
     x64/cpu-x64.cc
     x64/debug-x64.cc
     x64/deoptimizer-x64.cc
     x64/disasm-x64.cc
     x64/frames-x64.cc
     x64/full-codegen-x64.cc
     x64/ic-x64.cc
     x64/jump-target-x64.cc
+    x64/lithium-codegen-x64.cc
+    x64/lithium-gap-resolver-x64.cc
     x64/lithium-x64.cc
-    x64/lithium-codegen-x64.cc
     x64/macro-assembler-x64.cc
     x64/regexp-macro-assembler-x64.cc
     x64/register-allocator-x64.cc
     x64/stub-cache-x64.cc
     x64/virtual-frame-x64.cc
     """),
   'simulator:arm': ['arm/simulator-arm.cc'],
   'simulator:mips': ['mips/simulator-mips.cc'],
   'os:freebsd': ['platform-freebsd.cc', 'platform-posix.cc'],
   'os:openbsd': ['platform-openbsd.cc', 'platform-posix.cc'],
@@ skipping 112 matching lines @@
       snapshot_cc = 'snapshot.cc'
     snapshot_obj = context.ConfigureObject(env, snapshot_cc, CPPPATH=['.'])
   else:
     snapshot_obj = empty_snapshot_obj
   library_objs = [non_snapshot_files, libraries_obj, snapshot_obj]
   return (library_objs, d8_objs, [mksnapshot])
 
 
 (library_objs, d8_objs, mksnapshot) = ConfigureObjectFiles()
 Return('library_objs d8_objs mksnapshot')