1 /*

     1 /*

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

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

     4  *

     4  *

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

     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

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

     7  * published by the Free Software Foundation.

     7  * published by the Free Software Foundation.

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    21  * questions.

    22  *

    22  *

    23  */

    23  */

    24 

    29 

    25 //------------------------------RootNode---------------------------------------

    30 //------------------------------RootNode---------------------------------------

    26 // The one-and-only before-all-else and after-all-else RootNode.  The RootNode

    31 // The one-and-only before-all-else and after-all-else RootNode.  The RootNode

    27 // represents what happens if the user runs the whole program repeatedly.  The

    32 // represents what happens if the user runs the whole program repeatedly.  The

    28 // RootNode produces the initial values of I/O and memory for the program or

    33 // RootNode produces the initial values of I/O and memory for the program or

    58   virtual const Node *is_block_proj() const { return this; }

    63   virtual const Node *is_block_proj() const { return this; }

    59   virtual const RegMask &out_RegMask() const;

    64   virtual const RegMask &out_RegMask() const;

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

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

    61   virtual uint match_edge(uint idx) const { return 0; }

    66   virtual uint match_edge(uint idx) const { return 0; }

    62 };

    67 };