Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/phaseX.cpp
src/share/vm/opto/phaseX.cpp
- changeset 8068
- c1091733abe6
- parent 7847
- 03596ae35800
- child 8193
- 70649f10b88c
- child 8476
- 94ec11846b18
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| 8067:c1374141598c | 8068:c1091733abe6 |
|---|---|
| 781 | 781 |
| 782 //============================================================================= | 782 //============================================================================= |
| 783 //------------------------------PhaseIterGVN----------------------------------- | 783 //------------------------------PhaseIterGVN----------------------------------- |
| 784 // Initialize hash table to fresh and clean for +VerifyOpto | 784 // Initialize hash table to fresh and clean for +VerifyOpto |
| 785 PhaseIterGVN::PhaseIterGVN( PhaseIterGVN *igvn, const char *dummy ) : PhaseGVN(igvn,dummy), _worklist( ), | 785 PhaseIterGVN::PhaseIterGVN( PhaseIterGVN *igvn, const char *dummy ) : PhaseGVN(igvn,dummy), _worklist( ), |
| 786 _stack(C->unique() >> 1), | 786 _stack(C->live_nodes() >> 1), |
| 787 _delay_transform(false) { | 787 _delay_transform(false) { |
| 788 } | 788 } |
| 789 | 789 |
| 790 //------------------------------PhaseIterGVN----------------------------------- | 790 //------------------------------PhaseIterGVN----------------------------------- |
| 791 // Initialize with previous PhaseIterGVN info; used by PhaseCCP | 791 // Initialize with previous PhaseIterGVN info; used by PhaseCCP |
| 798 | 798 |
| 799 //------------------------------PhaseIterGVN----------------------------------- | 799 //------------------------------PhaseIterGVN----------------------------------- |
| 800 // Initialize with previous PhaseGVN info from Parser | 800 // Initialize with previous PhaseGVN info from Parser |
| 801 PhaseIterGVN::PhaseIterGVN( PhaseGVN *gvn ) : PhaseGVN(gvn), | 801 PhaseIterGVN::PhaseIterGVN( PhaseGVN *gvn ) : PhaseGVN(gvn), |
| 802 _worklist(*C->for_igvn()), | 802 _worklist(*C->for_igvn()), |
| 803 _stack(C->unique() >> 1), | 803 // TODO: Before incremental inlining it was allocated only once and it was fine. Now that |
| 804 // the constructor is used in incremental inlining, this consumes too much memory: | |
| 805 // _stack(C->live_nodes() >> 1), | |
| 806 // So, as a band-aid, we replace this by: | |
| 807 _stack(C->comp_arena(), 32), | |
| 804 _delay_transform(false) | 808 _delay_transform(false) |
| 805 { | 809 { |
| 806 uint max; | 810 uint max; |
| 807 | 811 |
| 808 // Dead nodes in the hash table inherited from GVN were not treated as | 812 // Dead nodes in the hash table inherited from GVN were not treated as |
| 1584 return new_node; // Been there, done that, return old answer | 1588 return new_node; // Been there, done that, return old answer |
| 1585 new_node = transform_once(n); // Check for constant | 1589 new_node = transform_once(n); // Check for constant |
| 1586 _nodes.map( n->_idx, new_node ); // Flag as having been cloned | 1590 _nodes.map( n->_idx, new_node ); // Flag as having been cloned |
| 1587 | 1591 |
| 1588 // Allocate stack of size _nodes.Size()/2 to avoid frequent realloc | 1592 // Allocate stack of size _nodes.Size()/2 to avoid frequent realloc |
| 1589 GrowableArray <Node *> trstack(C->unique() >> 1); | 1593 GrowableArray <Node *> trstack(C->live_nodes() >> 1); |
| 1590 | 1594 |
| 1591 trstack.push(new_node); // Process children of cloned node | 1595 trstack.push(new_node); // Process children of cloned node |
| 1592 while ( trstack.is_nonempty() ) { | 1596 while ( trstack.is_nonempty() ) { |
| 1593 Node *clone = trstack.pop(); | 1597 Node *clone = trstack.pop(); |
| 1594 uint cnt = clone->req(); | 1598 uint cnt = clone->req(); |
