Mercurial > hg > truffle

comparison src/share/vm/opto/loopUnswitch.cpp @ 7196:2aff40cb4703

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7092905: C2: Keep track of the number of dead nodes Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes. Reviewed-by: kvn, twisti, jrose, vlivanov
author bharadwaj
date Tue, 27 Nov 2012 17:24:15 -0800
parents b9a9ed0f8eeb
children 9e69e8d1c900
comparison
equal deleted inserted replaced
7195:2cd5e15048e6 7196:2aff40cb4703
57 return false; 57 return false;
58 } 58 }
59 if (!_head->is_Loop()) { 59 if (!_head->is_Loop()) {
60 return false; 60 return false;
61 } 61 }
62 uint nodes_left = MaxNodeLimit - phase->C->unique(); 62 uint nodes_left = MaxNodeLimit - phase->C->live_nodes();
63 if (2 * _body.size() > nodes_left) { 63 if (2 * _body.size() > nodes_left) {
64 return false; // Too speculative if running low on nodes. 64 return false; // Too speculative if running low on nodes.
65 } 65 }
66 LoopNode* head = _head->as_Loop(); 66 LoopNode* head = _head->as_Loop();
67 if (head->unswitch_count() + 1 > head->unswitch_max()) { 67 if (head->unswitch_count() + 1 > head->unswitch_max()) {