Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/node.hpp
src/share/vm/opto/node.hpp
- changeset 3138
- f6f3bb0ee072
- parent 3051
- 11211f7cb5a0
- child 3316
- f03a3c8bd5e5
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| 3137:e6b1331a51d2 | 3138:f6f3bb0ee072 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| 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. |
| 182 // Control and data are uniformly represented in the graph. Finally, Nodes | 182 // Control and data are uniformly represented in the graph. Finally, Nodes |
| 183 // have a unique dense integer index which is used to index into side arrays | 183 // have a unique dense integer index which is used to index into side arrays |
| 184 // whenever I have phase-specific information. | 184 // whenever I have phase-specific information. |
| 185 | 185 |
| 186 class Node { | 186 class Node { |
| 187 friend class VMStructs; | |
| 188 | |
| 187 // Lots of restrictions on cloning Nodes | 189 // Lots of restrictions on cloning Nodes |
| 188 Node(const Node&); // not defined; linker error to use these | 190 Node(const Node&); // not defined; linker error to use these |
| 189 Node &operator=(const Node &rhs); | 191 Node &operator=(const Node &rhs); |
| 190 | 192 |
| 191 public: | 193 public: |
| 1284 // Map dense integer indices to Nodes. Uses classic doubling-array trick. | 1286 // Map dense integer indices to Nodes. Uses classic doubling-array trick. |
| 1285 // Abstractly provides an infinite array of Node*'s, initialized to NULL. | 1287 // Abstractly provides an infinite array of Node*'s, initialized to NULL. |
| 1286 // Note that the constructor just zeros things, and since I use Arena | 1288 // Note that the constructor just zeros things, and since I use Arena |
| 1287 // allocation I do not need a destructor to reclaim storage. | 1289 // allocation I do not need a destructor to reclaim storage. |
| 1288 class Node_Array : public ResourceObj { | 1290 class Node_Array : public ResourceObj { |
| 1291 friend class VMStructs; | |
| 1289 protected: | 1292 protected: |
| 1290 Arena *_a; // Arena to allocate in | 1293 Arena *_a; // Arena to allocate in |
| 1291 uint _max; | 1294 uint _max; |
| 1292 Node **_nodes; | 1295 Node **_nodes; |
| 1293 void grow( uint i ); // Grow array node to fit | 1296 void grow( uint i ); // Grow array node to fit |
| 1314 uint Size() const { return _max; } | 1317 uint Size() const { return _max; } |
| 1315 void dump() const; | 1318 void dump() const; |
| 1316 }; | 1319 }; |
| 1317 | 1320 |
| 1318 class Node_List : public Node_Array { | 1321 class Node_List : public Node_Array { |
| 1322 friend class VMStructs; | |
| 1319 uint _cnt; | 1323 uint _cnt; |
| 1320 public: | 1324 public: |
| 1321 Node_List() : Node_Array(Thread::current()->resource_area()), _cnt(0) {} | 1325 Node_List() : Node_Array(Thread::current()->resource_area()), _cnt(0) {} |
| 1322 Node_List(Arena *a) : Node_Array(a), _cnt(0) {} | 1326 Node_List(Arena *a) : Node_Array(a), _cnt(0) {} |
| 1323 bool contains(Node* n) { | 1327 bool contains(Node* n) { |
| 1337 void dump() const; | 1341 void dump() const; |
| 1338 }; | 1342 }; |
| 1339 | 1343 |
| 1340 //------------------------------Unique_Node_List------------------------------- | 1344 //------------------------------Unique_Node_List------------------------------- |
| 1341 class Unique_Node_List : public Node_List { | 1345 class Unique_Node_List : public Node_List { |
| 1346 friend class VMStructs; | |
| 1342 VectorSet _in_worklist; | 1347 VectorSet _in_worklist; |
| 1343 uint _clock_index; // Index in list where to pop from next | 1348 uint _clock_index; // Index in list where to pop from next |
| 1344 public: | 1349 public: |
| 1345 Unique_Node_List() : Node_List(), _in_worklist(Thread::current()->resource_area()), _clock_index(0) {} | 1350 Unique_Node_List() : Node_List(), _in_worklist(Thread::current()->resource_area()), _clock_index(0) {} |
| 1346 Unique_Node_List(Arena *a) : Node_List(a), _in_worklist(a), _clock_index(0) {} | 1351 Unique_Node_List(Arena *a) : Node_List(a), _in_worklist(a), _clock_index(0) {} |
| 1387 _for_igvn->push(n); | 1392 _for_igvn->push(n); |
| 1388 } | 1393 } |
| 1389 | 1394 |
| 1390 //------------------------------Node_Stack------------------------------------- | 1395 //------------------------------Node_Stack------------------------------------- |
| 1391 class Node_Stack { | 1396 class Node_Stack { |
| 1397 friend class VMStructs; | |
| 1392 protected: | 1398 protected: |
| 1393 struct INode { | 1399 struct INode { |
| 1394 Node *node; // Processed node | 1400 Node *node; // Processed node |
| 1395 uint indx; // Index of next node's child | 1401 uint indx; // Index of next node's child |
| 1396 }; | 1402 }; |
| 1459 | 1465 |
| 1460 //-----------------------------Node_Notes-------------------------------------- | 1466 //-----------------------------Node_Notes-------------------------------------- |
| 1461 // Debugging or profiling annotations loosely and sparsely associated | 1467 // Debugging or profiling annotations loosely and sparsely associated |
| 1462 // with some nodes. See Compile::node_notes_at for the accessor. | 1468 // with some nodes. See Compile::node_notes_at for the accessor. |
| 1463 class Node_Notes VALUE_OBJ_CLASS_SPEC { | 1469 class Node_Notes VALUE_OBJ_CLASS_SPEC { |
| 1470 friend class VMStructs; | |
| 1464 JVMState* _jvms; | 1471 JVMState* _jvms; |
| 1465 | 1472 |
| 1466 public: | 1473 public: |
| 1467 Node_Notes(JVMState* jvms = NULL) { | 1474 Node_Notes(JVMState* jvms = NULL) { |
| 1468 _jvms = jvms; | 1475 _jvms = jvms; |
