hotspot/src/share/vm/code/vmreg.hpp

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rev 611 : Merge

@@ -1,10 +1,10 @@
 #ifdef USE_PRAGMA_IDENT_HDR
 #pragma ident "@(#)vmreg.hpp    1.37 07/05/05 17:05:22 JVM"
 #endif
 /*
- * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1998-2008 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -67,13 +67,13 @@
       // shouldn't really be called with stack
       return "STACKED REG";
     }
   }
   static VMReg Bad() { return (VMReg) (intptr_t) BAD; }
-  bool is_valid() { return ((intptr_t) this) != BAD; }
-  bool is_stack() { return (intptr_t) this >= (intptr_t) stack0; }
-  bool is_reg() { return is_valid() && !is_stack(); }
+  bool is_valid() const { return ((intptr_t) this) != BAD; }
+  bool is_stack() const { return (intptr_t) this >= (intptr_t) stack0; }
+  bool is_reg()   const { return is_valid() && !is_stack(); }
 
   // A concrete register is a value that returns true for is_reg() and is
   // also a register you could use in the assembler. On machines with
   // 64bit registers only one half of the VMReg (and OptoReg) is considered
   // concrete. 

@@ -97,11 +97,12 @@
   }
 
 
   intptr_t value() const         {return (intptr_t) this; }
 
-  void print();
+  void print_on(outputStream* st) const;
+  void print() const { print_on(tty); }
 
   // bias a stack slot.
   // Typically used to adjust a virtual frame slots by amounts that are offset by
   // amounts that are part of the native abi. The VMReg must be a stack slot
   // and the result must be also.

@@ -156,26 +157,26 @@
     _second = VMRegImpl::Bad();
 #endif
     _first = ptr;
   }
   // Return true if single register, even if the pair is really just adjacent stack slots
-  bool is_single_reg() {
+  bool is_single_reg() const {
     return (_first->is_valid()) && (_first->value() + 1 == _second->value());
   }
 
   // Return true if single stack based "register" where the slot alignment matches input alignment
-  bool is_adjacent_on_stack(int alignment) {
+  bool is_adjacent_on_stack(int alignment) const {
     return (_first->is_stack() && (_first->value() + 1 == _second->value()) && ((_first->value() & (alignment-1)) == 0));
   }
 
   // Return true if single stack based "register" where the slot alignment matches input alignment
-  bool is_adjacent_aligned_on_stack(int alignment) {
+  bool is_adjacent_aligned_on_stack(int alignment) const {
     return (_first->is_stack() && (_first->value() + 1 == _second->value()) && ((_first->value() & (alignment-1)) == 0));
   }
 
   // Return true if single register but adjacent stack slots do not count
-  bool is_single_phys_reg() {
+  bool is_single_phys_reg() const {
     return (_first->is_reg() && (_first->value() + 1 == _second->value()));
   }
 
   VMReg second() const { return _second; }
   VMReg first()  const { return _first; }