1/*
2 * Copyright (c) 2004-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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152 void setRenameMap(RenameMap rm_ptr[Impl::MaxThreads]);
153
154 /** Sets pointer to the free list. */
155 void setFreeList(FreeList *fl_ptr);
156
157 /** Sets pointer to the scoreboard. */
158 void setScoreboard(Scoreboard *_scoreboard);
159
160 void switchOut();
161
162 void doSwitchOut();
163
164 void takeOverFrom();
165
166 /** Squashes all instructions in a thread. */
167 void squash(unsigned tid);
168
169 /** Ticks rename, which processes all input signals and attempts to rename
170 * as many instructions as possible.
171 */

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240 unsigned validInsts();
241
242 /** Reads signals telling rename to block/unblock. */
243 void readStallSignals(unsigned tid);
244
245 /** Checks if any stages are telling rename to block. */
246 bool checkStall(unsigned tid);
247
248 void readFreeEntries(unsigned tid);
249
250 bool checkSignalsAndUpdate(unsigned tid);
251
252 /** Either serializes on the next instruction available in the InstQueue,
253 * or records that it must serialize on the next instruction to enter
254 * rename.
255 * @param inst_list The list of younger, unprocessed instructions for the
256 * thread that has the serializeAfter instruction.
257 * @param tid The thread id.

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451 /** Stat for total number of renamed destination registers. */
452 Stats::Scalar<> renameRenamedOperands;
453 /** Stat for total number of source register rename lookups. */
454 Stats::Scalar<> renameRenameLookups;
455 /** Stat for total number of committed renaming mappings. */
456 Stats::Scalar<> renameCommittedMaps;
457 /** Stat for total number of mappings that were undone due to a squash. */
458 Stats::Scalar<> renameUndoneMaps;
459 Stats::Scalar<> renamedSerializing;
460 Stats::Scalar<> renamedTempSerializing;
461 Stats::Scalar<> renameSkidInsts;
462};
463
464#endif // __CPU_O3_RENAME_HH__