Flow graph SIMD changes

runtime/vm/flow_graph_allocator.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_ALLOCATOR_H_
 #define VM_FLOW_GRAPH_ALLOCATOR_H_
 
 #include "vm/growable_array.h"
 #include "vm/intermediate_language.h"
 
@@ skipping 19 matching lines @@
   void AddPhi(PhiInstr* phi);
   void Compute();
 
   const FlowGraph& flow_graph_;
   GrowableArray<PhiInstr*> phis_;
 };
 
 
 class FlowGraphAllocator : public ValueObject {
  public:
-  // Number of stack slots needed for a double spill slot.
-  static const intptr_t kDoubleSpillSlotFactor = kDoubleSize / kWordSize;
+  // Number of stack slots needed for a fpu register spill slot.
+  static const intptr_t kFpuRegisterSpillFactor = kFpuRegisterSize / kWordSize;
 
   explicit FlowGraphAllocator(const FlowGraph& flow_graph);
 
   void AllocateRegisters();
 
   // Build live-in and live-out sets for each block.
   void AnalyzeLiveness();
 
   // Map a virtual register number to its live range.
   LiveRange* GetLiveRange(intptr_t vreg);
@@ skipping 604 matching lines @@
 
   AllocationFinger finger_;
 
   DISALLOW_COPY_AND_ASSIGN(LiveRange);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_ALLOCATOR_H_