Mercurial > hg > truffle

comparison src/share/vm/opto/chaitin.hpp @ 628:7bb995fbd3c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge
author trims
date Thu, 12 Mar 2009 18:16:36 -0700
parents 0fbdb4381b99 98cb887364d3
children fbc12e71c476
comparison
equal deleted inserted replaced
580:ce2272390558 628:7bb995fbd3c0
325 Node *split_Rematerialize(Node *def, Block *b, uint insidx, uint &maxlrg, GrowableArray<uint> splits, 325 Node *split_Rematerialize(Node *def, Block *b, uint insidx, uint &maxlrg, GrowableArray<uint> splits,
326 int slidx, uint *lrg2reach, Node **Reachblock, bool walkThru); 326 int slidx, uint *lrg2reach, Node **Reachblock, bool walkThru);
327 // True if lidx is used before any real register is def'd in the block 327 // True if lidx is used before any real register is def'd in the block
328 bool prompt_use( Block *b, uint lidx ); 328 bool prompt_use( Block *b, uint lidx );
329 Node *get_spillcopy_wide( Node *def, Node *use, uint uidx ); 329 Node *get_spillcopy_wide( Node *def, Node *use, uint uidx );
330 // Insert the spill at chosen location. Skip over any interveneing Proj's or 330 // Insert the spill at chosen location. Skip over any intervening Proj's or
331 // Phis. Skip over a CatchNode and projs, inserting in the fall-through block 331 // Phis. Skip over a CatchNode and projs, inserting in the fall-through block
332 // instead. Update high-pressure indices. Create a new live range. 332 // instead. Update high-pressure indices. Create a new live range.
333 void insert_proj( Block *b, uint i, Node *spill, uint maxlrg ); 333 void insert_proj( Block *b, uint i, Node *spill, uint maxlrg );
334 334
335 bool is_high_pressure( Block *b, LRG *lrg, uint insidx ); 335 bool is_high_pressure( Block *b, LRG *lrg, uint insidx );
429 429
430 // Simplify the IFG by removing LRGs of low degree 430 // Simplify the IFG by removing LRGs of low degree
431 void Simplify(); 431 void Simplify();
432 432
433 // Select colors by re-inserting edges into the IFG. 433 // Select colors by re-inserting edges into the IFG.
434 // Return TRUE if any spills occured. 434 // Return TRUE if any spills occurred.
435 uint Select( ); 435 uint Select( );
436 // Helper function for select which allows biased coloring 436 // Helper function for select which allows biased coloring
437 OptoReg::Name choose_color( LRG &lrg, int chunk ); 437 OptoReg::Name choose_color( LRG &lrg, int chunk );
438 // Helper function which implements biasing heuristic 438 // Helper function which implements biasing heuristic
439 OptoReg::Name bias_color( LRG &lrg, int chunk ); 439 OptoReg::Name bias_color( LRG &lrg, int chunk );