Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/loopopts.cpp
src/share/vm/opto/loopopts.cpp
- changeset 670
- 9c2ecc2ffb12
- parent 631
- d1605aabd0a1
- parent 658
- 1dd146f17531
- child 686
- 020a0b730379
equal
deleted
inserted
replaced
| 632:de141433919f | 670:9c2ecc2ffb12 |
|---|---|
| 39 assert( region->is_Region(), "" ); | 39 assert( region->is_Region(), "" ); |
| 40 | 40 |
| 41 const Type* type = n->bottom_type(); | 41 const Type* type = n->bottom_type(); |
| 42 const TypeOopPtr *t_oop = _igvn.type(n)->isa_oopptr(); | 42 const TypeOopPtr *t_oop = _igvn.type(n)->isa_oopptr(); |
| 43 Node *phi; | 43 Node *phi; |
| 44 if( t_oop != NULL && t_oop->is_instance_field() ) { | 44 if( t_oop != NULL && t_oop->is_known_instance_field() ) { |
| 45 int iid = t_oop->instance_id(); | 45 int iid = t_oop->instance_id(); |
| 46 int index = C->get_alias_index(t_oop); | 46 int index = C->get_alias_index(t_oop); |
| 47 int offset = t_oop->offset(); | 47 int offset = t_oop->offset(); |
| 48 phi = new (C,region->req()) PhiNode(region, type, NULL, iid, index, offset); | 48 phi = new (C,region->req()) PhiNode(region, type, NULL, iid, index, offset); |
| 49 } else { | 49 } else { |
| 2683 if( dom_lca( exit, u_ctrl ) != exit ) continue; | 2683 if( dom_lca( exit, u_ctrl ) != exit ) continue; |
| 2684 // protect against stride not being a constant | 2684 // protect against stride not being a constant |
| 2685 if( !cle->stride_is_con() ) continue; | 2685 if( !cle->stride_is_con() ) continue; |
| 2686 // Hit! Refactor use to use the post-incremented tripcounter. | 2686 // Hit! Refactor use to use the post-incremented tripcounter. |
| 2687 // Compute a post-increment tripcounter. | 2687 // Compute a post-increment tripcounter. |
| 2688 Node *opaq = new (C, 2) Opaque2Node( cle->incr() ); | 2688 Node *opaq = new (C, 2) Opaque2Node( C, cle->incr() ); |
| 2689 register_new_node( opaq, u_ctrl ); | 2689 register_new_node( opaq, u_ctrl ); |
| 2690 Node *neg_stride = _igvn.intcon(-cle->stride_con()); | 2690 Node *neg_stride = _igvn.intcon(-cle->stride_con()); |
| 2691 set_ctrl(neg_stride, C->root()); | 2691 set_ctrl(neg_stride, C->root()); |
| 2692 Node *post = new (C, 3) AddINode( opaq, neg_stride); | 2692 Node *post = new (C, 3) AddINode( opaq, neg_stride); |
| 2693 register_new_node( post, u_ctrl ); | 2693 register_new_node( post, u_ctrl ); |
