Reland: [turbofan] add MachineType to AllocatedOperand

src/compiler/frame.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_FRAME_H_
 #define V8_COMPILER_FRAME_H_
 
 #include "src/bit-vector.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Collects the spill slot requirements and the allocated general and double
 // registers for a compiled function. Frames are usually populated by the
 // register allocator and are used by Linkage to generate code for the prologue
 // and epilogue to compiled code.
 class Frame : public ZoneObject {
  public:
   Frame()
       : register_save_area_size_(0),
         spill_slot_count_(0),
-        double_spill_slot_count_(0),
         osr_stack_slot_count_(0),
         allocated_registers_(NULL),
         allocated_double_registers_(NULL) {}
 
   inline int GetSpillSlotCount() { return spill_slot_count_; }
-  inline int GetDoubleSpillSlotCount() { return double_spill_slot_count_; }
 
   void SetAllocatedRegisters(BitVector* regs) {
     DCHECK(allocated_registers_ == NULL);
     allocated_registers_ = regs;
   }
 
   void SetAllocatedDoubleRegisters(BitVector* regs) {
     DCHECK(allocated_double_registers_ == NULL);
     allocated_double_registers_ = regs;
   }
@@ skipping 10 matching lines @@
   int GetRegisterSaveAreaSize() { return register_save_area_size_; }
 
   // OSR stack slots, including locals and expression stack slots.
   void SetOsrStackSlotCount(int slots) {
     DCHECK(slots >= 0);
     osr_stack_slot_count_ = slots;
   }
 
   int GetOsrStackSlotCount() { return osr_stack_slot_count_; }
 
-  int AllocateSpillSlot(bool is_double) {
-    // If 32-bit, skip one if the new slot is a double.
-    if (is_double) {
-      if (kDoubleSize > kPointerSize) {
-        DCHECK(kDoubleSize == kPointerSize * 2);
-        spill_slot_count_++;
-        spill_slot_count_ |= 1;
-      }
-      double_spill_slot_count_++;
+  int AllocateSpillSlot(int width) {
+    DCHECK(width == 4 || width == 8);
+    // Skip one slot if necessary.
+    if (width > kPointerSize) {
+      DCHECK(width == kPointerSize * 2);
+      spill_slot_count_++;
+      spill_slot_count_ |= 1;
     }
     return spill_slot_count_++;
   }
 
   void ReserveSpillSlots(size_t slot_count) {
     DCHECK_EQ(0, spill_slot_count_);  // can only reserve before allocation.
     spill_slot_count_ = static_cast<int>(slot_count);
   }
 
  private:
   int register_save_area_size_;
   int spill_slot_count_;
-  int double_spill_slot_count_;
   int osr_stack_slot_count_;
   BitVector* allocated_registers_;
   BitVector* allocated_double_registers_;
 
   DISALLOW_COPY_AND_ASSIGN(Frame);
 };
 
 
 // Represents an offset from either the stack pointer or frame pointer.
 class FrameOffset {
@@ skipping 18 matching lines @@
   int offset_;  // Encodes SP or FP in the low order bit.
 
   static const int kFromSp = 1;
   static const int kFromFp = 0;
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_FRAME_H_