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src/share/vm/opto/compile.hpp

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   1 /*
   2  * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  78 class JVMState;
  79 class Type;
  80 class TypeData;
  81 class TypeInt;
  82 class TypePtr;
  83 class TypeOopPtr;
  84 class TypeFunc;
  85 class Unique_Node_List;
  86 class nmethod;
  87 class WarmCallInfo;
  88 class Node_Stack;
  89 struct Final_Reshape_Counts;
  90 
  91 typedef unsigned int node_idx_t;
  92 class NodeCloneInfo {
  93  private:
  94   uint64_t _idx_clone_orig;
  95  public:
  96 
  97   void set_idx(node_idx_t idx) {
  98     _idx_clone_orig = _idx_clone_orig & CONST64(0xFFFFFFFF00000000) | idx;
  99   }
 100   node_idx_t idx() const { return (node_idx_t)(_idx_clone_orig & 0xFFFFFFFF); }
 101 
 102   void set_gen(int generation) {
 103     uint64_t g = (uint64_t)generation << 32;
 104     _idx_clone_orig = _idx_clone_orig & 0xFFFFFFFF | g;
 105   }
 106   int gen() const { return (int)(_idx_clone_orig >> 32); }
 107 
 108   void set(uint64_t x) { _idx_clone_orig = x; }
 109   void set(node_idx_t x, int g) { set_idx(x); set_gen(g); }
 110   uint64_t get() const { return _idx_clone_orig; }
 111 
 112   NodeCloneInfo(uint64_t idx_clone_orig) : _idx_clone_orig(idx_clone_orig) {}
 113   NodeCloneInfo(node_idx_t x, int g) : _idx_clone_orig(0) { set(x, g); }
 114 
 115   void dump() const;
 116 };
 117 
 118 class CloneMap {
 119   friend class Compile;
 120  private:
 121   bool      _debug;
 122   Dict*     _dict;
 123   int       _clone_idx;   // current cloning iteration/generation in loop unroll
 124  public:


   1 /*
   2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  78 class JVMState;
  79 class Type;
  80 class TypeData;
  81 class TypeInt;
  82 class TypePtr;
  83 class TypeOopPtr;
  84 class TypeFunc;
  85 class Unique_Node_List;
  86 class nmethod;
  87 class WarmCallInfo;
  88 class Node_Stack;
  89 struct Final_Reshape_Counts;
  90 
  91 typedef unsigned int node_idx_t;
  92 class NodeCloneInfo {
  93  private:
  94   uint64_t _idx_clone_orig;
  95  public:
  96 
  97   void set_idx(node_idx_t idx) {
  98     _idx_clone_orig = (_idx_clone_orig & CONST64(0xFFFFFFFF00000000)) | idx;
  99   }
 100   node_idx_t idx() const { return (node_idx_t)(_idx_clone_orig & 0xFFFFFFFF); }
 101 
 102   void set_gen(int generation) {
 103     uint64_t g = (uint64_t)generation << 32;
 104     _idx_clone_orig = (_idx_clone_orig & 0xFFFFFFFF) | g;
 105   }
 106   int gen() const { return (int)(_idx_clone_orig >> 32); }
 107 
 108   void set(uint64_t x) { _idx_clone_orig = x; }
 109   void set(node_idx_t x, int g) { set_idx(x); set_gen(g); }
 110   uint64_t get() const { return _idx_clone_orig; }
 111 
 112   NodeCloneInfo(uint64_t idx_clone_orig) : _idx_clone_orig(idx_clone_orig) {}
 113   NodeCloneInfo(node_idx_t x, int g) : _idx_clone_orig(0) { set(x, g); }
 114 
 115   void dump() const;
 116 };
 117 
 118 class CloneMap {
 119   friend class Compile;
 120  private:
 121   bool      _debug;
 122   Dict*     _dict;
 123   int       _clone_idx;   // current cloning iteration/generation in loop unroll
 124  public:


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