Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/callnode.cpp
src/share/vm/opto/callnode.cpp
- changeset 3651
- ee138854b3a6
- parent 3419
- b0ff910edfc9
- child 3969
- 1d7922586cf6
equal
deleted
inserted
replaced
| 3636:fde683df4c27 | 3651:ee138854b3a6 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2012, 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. |
| 1536 if (can_reshape && EliminateLocks && !is_non_esc_obj()) { | 1536 if (can_reshape && EliminateLocks && !is_non_esc_obj()) { |
| 1537 // | 1537 // |
| 1538 // If we are locking an unescaped object, the lock/unlock is unnecessary | 1538 // If we are locking an unescaped object, the lock/unlock is unnecessary |
| 1539 // | 1539 // |
| 1540 ConnectionGraph *cgr = phase->C->congraph(); | 1540 ConnectionGraph *cgr = phase->C->congraph(); |
| 1541 PointsToNode::EscapeState es = PointsToNode::GlobalEscape; | 1541 if (cgr != NULL && cgr->not_global_escape(obj_node())) { |
| 1542 if (cgr != NULL) | |
| 1543 es = cgr->escape_state(obj_node()); | |
| 1544 if (es != PointsToNode::UnknownEscape && es != PointsToNode::GlobalEscape) { | |
| 1545 assert(!is_eliminated() || is_coarsened(), "sanity"); | 1542 assert(!is_eliminated() || is_coarsened(), "sanity"); |
| 1546 // The lock could be marked eliminated by lock coarsening | 1543 // The lock could be marked eliminated by lock coarsening |
| 1547 // code during first IGVN before EA. Replace coarsened flag | 1544 // code during first IGVN before EA. Replace coarsened flag |
| 1548 // to eliminate all associated locks/unlocks. | 1545 // to eliminate all associated locks/unlocks. |
| 1549 this->set_non_esc_obj(); | 1546 this->set_non_esc_obj(); |
| 1678 if (can_reshape && EliminateLocks && !is_non_esc_obj()) { | 1675 if (can_reshape && EliminateLocks && !is_non_esc_obj()) { |
| 1679 // | 1676 // |
| 1680 // If we are unlocking an unescaped object, the lock/unlock is unnecessary. | 1677 // If we are unlocking an unescaped object, the lock/unlock is unnecessary. |
| 1681 // | 1678 // |
| 1682 ConnectionGraph *cgr = phase->C->congraph(); | 1679 ConnectionGraph *cgr = phase->C->congraph(); |
| 1683 PointsToNode::EscapeState es = PointsToNode::GlobalEscape; | 1680 if (cgr != NULL && cgr->not_global_escape(obj_node())) { |
| 1684 if (cgr != NULL) | |
| 1685 es = cgr->escape_state(obj_node()); | |
| 1686 if (es != PointsToNode::UnknownEscape && es != PointsToNode::GlobalEscape) { | |
| 1687 assert(!is_eliminated() || is_coarsened(), "sanity"); | 1681 assert(!is_eliminated() || is_coarsened(), "sanity"); |
| 1688 // The lock could be marked eliminated by lock coarsening | 1682 // The lock could be marked eliminated by lock coarsening |
| 1689 // code during first IGVN before EA. Replace coarsened flag | 1683 // code during first IGVN before EA. Replace coarsened flag |
| 1690 // to eliminate all associated locks/unlocks. | 1684 // to eliminate all associated locks/unlocks. |
| 1691 this->set_non_esc_obj(); | 1685 this->set_non_esc_obj(); |
