Support for unboxed 64-bit integer bitwise operations and equality on ia32.

runtime/vm/deopt_instructions.h

 // Copyright (c) 2012, 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_DEOPT_INSTRUCTIONS_H_
 #define VM_DEOPT_INSTRUCTIONS_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/growable_array.h"
@@ skipping 36 matching lines @@
   }
 
   intptr_t RegisterValue(Register reg) const {
     return registers_copy_[reg];
   }
 
   double XmmRegisterValue(XmmRegister reg) const {
     return xmm_registers_copy_[reg];
   }
 
+  int64_t XmmRegisterValueAsMint(XmmRegister reg) const {
+    return (reinterpret_cast<int64_t*>(xmm_registers_copy_))[reg];
+  }

[srdjan, 2012/09/28 16:50:26]

Sorry, actually this should be "XmmRegisterValueAsInt64" since you are not
returning a Mint.

[Florian Schneider, 2012/10/02 11:10:31]

Done.

+
   Isolate* isolate() const { return isolate_; }
 
   intptr_t from_frame_size() const { return from_frame_size_; }
 
  private:
   const Array& object_table_;
   intptr_t* to_frame_;
   const intptr_t to_frame_size_;
   intptr_t* from_frame_;
   intptr_t from_frame_size_;
@@ skipping 23 matching lines @@
   virtual void Execute(DeoptimizationContext* deopt_context,
                        intptr_t to_index) = 0;
 
  protected:
   enum Kind {
     kSetRetAfterAddress,
     kSetRetBeforeAddress,
     kCopyConstant,
     kCopyRegister,
     kCopyXmmRegister,
+    kCopyMintXmmRegister,
     kCopyStackSlot,
     kCopyDoubleStackSlot,
+    kCopyMintStackSlot,
     kSetPcMarker,
     kSetCallerFp,
     kSetCallerPc,
   };
 
   virtual DeoptInstr::Kind kind() const = 0;
   virtual intptr_t from_index() const = 0;
 
   friend class DeoptInfoBuilder;
 
@@ skipping 42 matching lines @@
   GrowableArray<DeoptInstr*> instructions_;
   const GrowableObjectArray& object_table_;
   const intptr_t num_args_;
 
   DISALLOW_COPY_AND_ASSIGN(DeoptInfoBuilder);
 };
 
 }  // namespace dart
 
 #endif  // VM_DEOPT_INSTRUCTIONS_H_