DBC: Enables unboxed doubles

runtime/vm/deopt_instructions.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/deopt_instructions.h"
 
 #include "vm/assembler.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/intermediate_language.h"
@@ skipping 1027 matching lines @@
         CpuRegisterSource::kStackSlot, CalculateStackIndex(loc));
   }
 }
 
 
 FpuRegisterSource DeoptInfoBuilder::ToFpuRegisterSource(
   const Location& loc,
   Location::Kind stack_slot_kind) {
   if (loc.IsFpuRegister()) {
     return FpuRegisterSource(FpuRegisterSource::kRegister, loc.fpu_reg());
+#if defined(TARGET_ARCH_DBC)
+  } else if (loc.IsRegister()) {
+    return FpuRegisterSource(FpuRegisterSource::kRegister, loc.reg());
+#endif
   } else {
     ASSERT((stack_slot_kind == Location::kQuadStackSlot) ||
            (stack_slot_kind == Location::kDoubleStackSlot));
     ASSERT(loc.kind() == stack_slot_kind);
     return FpuRegisterSource(
         FpuRegisterSource::kStackSlot, CalculateStackIndex(loc));
   }
 }
 
 void DeoptInfoBuilder::AddReturnAddress(const Function& function,
@@ skipping 282 matching lines @@
                           Smi* offset,
                           TypedData* info,
                           Smi* reason) {
   intptr_t i = index * kEntrySize;
   *offset ^= table.At(i);
   *info ^= table.At(i + 1);
   *reason ^= table.At(i + 2);
 }
 
 }  // namespace dart