# HG changeset patch # User kvn # Date 1370994031 25200 # Node ID bc8956037049d3b24562ccfac15b369d833cd80b # Parent e7f5651d459c530a533f415449e25ab1342fe6b1# Parent 693e4d04fd0944ac8b9218b5d923d944478b6e61 Merge diff -r e7f5651d459c -r bc8956037049 src/share/vm/opto/c2_globals.hpp --- a/src/share/vm/opto/c2_globals.hpp Tue Jun 11 11:13:09 2013 -0700 +++ b/src/share/vm/opto/c2_globals.hpp Tue Jun 11 16:40:31 2013 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -406,10 +406,10 @@ develop(intx, WarmCallMaxSize, 999999, \ "size of the largest inlinable method") \ \ - product(intx, MaxNodeLimit, 65000, \ + product(intx, MaxNodeLimit, 80000, \ "Maximum number of nodes") \ \ - product(intx, NodeLimitFudgeFactor, 1000, \ + product(intx, NodeLimitFudgeFactor, 2000, \ "Fudge Factor for certain optimizations") \ \ product(bool, UseJumpTables, true, \ diff -r e7f5651d459c -r bc8956037049 src/share/vm/opto/chaitin.cpp --- a/src/share/vm/opto/chaitin.cpp Tue Jun 11 11:13:09 2013 -0700 +++ b/src/share/vm/opto/chaitin.cpp Tue Jun 11 16:40:31 2013 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -435,6 +435,9 @@ // Insert un-coalesced copies. Visit all Phis. Where inputs to a Phi do // not match the Phi itself, insert a copy. coalesce.insert_copies(_matcher); + if (C->failing()) { + return; + } } // After aggressive coalesce, attempt a first cut at coloring. diff -r e7f5651d459c -r bc8956037049 src/share/vm/opto/coalesce.cpp --- a/src/share/vm/opto/coalesce.cpp Tue Jun 11 11:13:09 2013 -0700 +++ b/src/share/vm/opto/coalesce.cpp Tue Jun 11 16:40:31 2013 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -240,6 +240,8 @@ _unique = C->unique(); for( uint i=0; i<_phc._cfg._num_blocks; i++ ) { + C->check_node_count(NodeLimitFudgeFactor, "out of nodes in coalesce"); + if (C->failing()) return; Block *b = _phc._cfg._blocks[i]; uint cnt = b->num_preds(); // Number of inputs to the Phi diff -r e7f5651d459c -r bc8956037049 src/share/vm/opto/matcher.cpp --- a/src/share/vm/opto/matcher.cpp Tue Jun 11 11:13:09 2013 -0700 +++ b/src/share/vm/opto/matcher.cpp Tue Jun 11 16:40:31 2013 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -985,6 +985,8 @@ mstack.push(n, Visit, NULL, -1); // set NULL as parent to indicate root while (mstack.is_nonempty()) { + C->check_node_count(NodeLimitFudgeFactor, "too many nodes matching instructions"); + if (C->failing()) return NULL; n = mstack.node(); // Leave node on stack Node_State nstate = mstack.state(); if (nstate == Visit) {