Initial SIMDBC interpreter.

runtime/vm/locations.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_LOCATIONS_H_
 #define VM_LOCATIONS_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/bitfield.h"
@@ skipping 323 matching lines @@
   intptr_t stack_index() const {
     ASSERT(HasStackIndex());
     // Decode stack index manually to preserve sign.
     return StackIndexField::decode(payload()) - kStackIndexBias;
   }
 
   bool HasStackIndex() const {
     return IsStackSlot() || IsDoubleStackSlot() || IsQuadStackSlot();
   }
 
+#if !defined(TARGET_ARCH_DBC)

[zra, 2016/04/14 18:27:49]

Why?

[Vyacheslav Egorov (Google), 2016/04/18 15:56:42]

There was a comment in the CC file explaining. Copied it to here.

   // Return a memory operand for stack slot locations.
   Address ToStackSlotAddress() const;
+#endif
 
   // Returns the offset from the frame pointer for stack slot locations.
   intptr_t ToStackSlotOffset() const;
 
   // Constants.
   static Location RegisterOrConstant(Value* value);
   static Location RegisterOrSmiConstant(Value* value);
   static Location WritableRegisterOrSmiConstant(Value* value);
   static Location FixedRegisterOrConstant(Value* value, Register reg);
   static Location FixedRegisterOrSmiConstant(Value* value, Register reg);
@@ skipping 287 matching lines @@
     return output_location_;
   }
 
   Location* out_slot(intptr_t index) {
     ASSERT(index == 0);
     return &output_location_;
   }
 
   void set_out(intptr_t index, Location loc) {
     ASSERT(index == 0);
+    // DBC calls are different from call on other architectures so this
+    // assert doesn't make sense.
+#if !defined(TARGET_ARCH_DBC)
     ASSERT(!always_calls() ||
            (loc.IsMachineRegister() || loc.IsInvalid() ||
             loc.IsPairLocation()));
+#endif
     output_location_ = loc;
   }
 
   BitmapBuilder* stack_bitmap() {
     if (stack_bitmap_ == NULL) {
       stack_bitmap_ = new BitmapBuilder();
     }
     return stack_bitmap_;
   }
   void SetStackBit(intptr_t index) {
@@ skipping 44 matching lines @@
 
 #if defined(DEBUG)
   intptr_t writable_inputs_;
 #endif
 };
 
 
 }  // namespace dart
 
 #endif  // VM_LOCATIONS_H_