jdk8-mips64-public/hotspot: src/share/vm/opto/multnode.hpp@98cb887364d3

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

     1 /*

     2  * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 class Matcher;

    26 class ProjNode;

    28 //------------------------------MultiNode--------------------------------------

    29 // This class defines a MultiNode, a Node which produces many values.  The

    30 // values are wrapped up in a tuple Type, i.e. a TypeTuple.

    31 class MultiNode : public Node {

    32 public:

    33   MultiNode( uint required ) : Node(required) {

    34     init_class_id(Class_Multi);

    35   }

    36   virtual int Opcode() const;

    37   virtual const Type *bottom_type() const = 0;

    38   virtual bool       is_CFG() const { return true; }

    39   virtual uint hash() const { return NO_HASH; }  // CFG nodes do not hash

    40   virtual bool depends_only_on_test() const { return false; }

    41   virtual const RegMask &out_RegMask() const;

    42   virtual Node *match( const ProjNode *proj, const Matcher *m );

    43   virtual uint ideal_reg() const { return NotAMachineReg; }

    44   ProjNode* proj_out(uint which_proj) const; // Get a named projection

    46 };

    48 //------------------------------ProjNode---------------------------------------

    49 // This class defines a Projection node.  Projections project a single element

    50 // out of a tuple (or Signature) type.  Only MultiNodes produce TypeTuple

    51 // results.

    52 class ProjNode : public Node {

    53 protected:

    54   virtual uint hash() const;

    55   virtual uint cmp( const Node &n ) const;

    56   virtual uint size_of() const;

    57   void check_con() const;       // Called from constructor.

    59 public:

    60   ProjNode( Node *src, uint con, bool io_use = false )

    61     : Node( src ), _con(con), _is_io_use(io_use)

    62   {

    63     init_class_id(Class_Proj);

    64     // Optimistic setting. Need additional checks in Node::is_dead_loop_safe().

    65     if (con != TypeFunc::Memory || src->is_Start())

    66       init_flags(Flag_is_dead_loop_safe);

    67     debug_only(check_con());

    68   }

    69   const uint _con;              // The field in the tuple we are projecting

    70   const bool _is_io_use;        // Used to distinguish between the projections

    71                                 // used on the control and io paths from a macro node

    72   virtual int Opcode() const;

    73   virtual bool      is_CFG() const;

    74   virtual bool depends_only_on_test() const { return false; }

    75   virtual const Type *bottom_type() const;

    76   virtual const TypePtr *adr_type() const;

    77   virtual bool pinned() const;

    78   virtual const Type *Value( PhaseTransform *phase ) const;

    79   virtual uint ideal_reg() const;

    80   virtual const RegMask &out_RegMask() const;

    81 #ifndef PRODUCT

    82   virtual void dump_spec(outputStream *st) const;

    83 #endif

    84 };

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