Unboxed Float64x2 fields and some misc fixes

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 144 matching lines @@
 
 
 Representation LoadFieldInstr::representation() const {
   if (IsUnboxedLoad()) {
     const intptr_t cid = field()->UnboxedFieldCid();
     switch (cid) {
       case kDoubleCid:
         return kUnboxedDouble;
       case kFloat32x4Cid:
         return kUnboxedFloat32x4;
+      case kFloat64x2Cid:
+        return kUnboxedFloat64x2;
       default:
         UNREACHABLE();
     }
   }
   return kTagged;
 }
 
 
 bool StoreInstanceFieldInstr::IsUnboxedStore() const {
   return FLAG_unbox_numeric_fields
@@ skipping 12 matching lines @@
 Representation StoreInstanceFieldInstr::RequiredInputRepresentation(
   intptr_t index) const {
   ASSERT((index == 0) || (index == 1));
   if ((index == 1) && IsUnboxedStore()) {
     const intptr_t cid = field().UnboxedFieldCid();
     switch (cid) {
       case kDoubleCid:
         return kUnboxedDouble;
       case kFloat32x4Cid:
         return kUnboxedFloat32x4;
+      case kFloat64x2Cid:
+        return kUnboxedFloat64x2;
       default:
         UNREACHABLE();
     }
   }
   return kTagged;
 }
 
 
 bool GuardFieldInstr::AttributesEqual(Instruction* other) const {
   return field().raw() == other->AsGuardField()->field().raw();
@@ skipping 3021 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart