Use VLDR instead of VMOVs from GPR when a 64-bit double can't be encoded as a VMOV immediate.

src/assembler.cc

 // 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 595 matching lines @@
 
 
 // -----------------------------------------------------------------------------
 // Implementation of RelocInfo
 
 
 #ifdef ENABLE_DISASSEMBLER
 const char* RelocInfo::RelocModeName(RelocInfo::Mode rmode) {
   switch (rmode) {
     case RelocInfo::NONE:
-      return "no reloc";
+      return "no reloc 32";
+    case RelocInfo::NONE64:
+      return "no reloc 64";
     case RelocInfo::EMBEDDED_OBJECT:
       return "embedded object";
     case RelocInfo::CONSTRUCT_CALL:
       return "code target (js construct call)";
     case RelocInfo::CODE_TARGET_CONTEXT:
       return "code target (context)";
     case RelocInfo::DEBUG_BREAK:
 #ifndef ENABLE_DEBUGGER_SUPPORT
       UNREACHABLE();
 #endif
@@ skipping 101 matching lines @@
     case RUNTIME_ENTRY:
     case JS_RETURN:
     case COMMENT:
     case POSITION:
     case STATEMENT_POSITION:
     case EXTERNAL_REFERENCE:
     case INTERNAL_REFERENCE:
     case CONST_POOL:
     case DEBUG_BREAK_SLOT:
     case NONE:
+    case NONE64:
       break;
     case NUMBER_OF_MODES:
       UNREACHABLE();
       break;
   }
 }
 #endif  // VERIFY_HEAP
 
 
 // -----------------------------------------------------------------------------
@@ skipping 618 matching lines @@
     assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position);
     state_.written_position = state_.current_position;
     written = true;
   }
 
   // Return whether something was written.
   return written;
 }
 
 } }  // namespace v8::internal