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comparison src/share/vm/opto/matcher.cpp @ 23055:c1c199dde5c9

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8077504: Unsafe load can loose control dependency and cause crash Summary: Node::depends_only_on_test() should return false for Unsafe loads Reviewed-by: kvn, adinn
author roland
date Wed, 03 Jun 2015 14:22:57 +0200
parents ddce0b7cee93
children dd9cc155639c c1091733abe6
comparison
equal deleted inserted replaced
23054:55d07ec5bde4 23055:c1c199dde5c9
838 // Compute generic short-offset Loads 838 // Compute generic short-offset Loads
839 #ifdef _LP64 839 #ifdef _LP64
840 MachNode *spillCP = match_tree(new (C) LoadNNode(NULL,mem,fp,atp,TypeInstPtr::BOTTOM,MemNode::unordered)); 840 MachNode *spillCP = match_tree(new (C) LoadNNode(NULL,mem,fp,atp,TypeInstPtr::BOTTOM,MemNode::unordered));
841 #endif 841 #endif
842 MachNode *spillI = match_tree(new (C) LoadINode(NULL,mem,fp,atp,TypeInt::INT,MemNode::unordered)); 842 MachNode *spillI = match_tree(new (C) LoadINode(NULL,mem,fp,atp,TypeInt::INT,MemNode::unordered));
843 MachNode *spillL = match_tree(new (C) LoadLNode(NULL,mem,fp,atp,TypeLong::LONG,MemNode::unordered,false)); 843 MachNode *spillL = match_tree(new (C) LoadLNode(NULL,mem,fp,atp,TypeLong::LONG,MemNode::unordered, LoadNode::DependsOnlyOnTest,false));
844 MachNode *spillF = match_tree(new (C) LoadFNode(NULL,mem,fp,atp,Type::FLOAT,MemNode::unordered)); 844 MachNode *spillF = match_tree(new (C) LoadFNode(NULL,mem,fp,atp,Type::FLOAT,MemNode::unordered));
845 MachNode *spillD = match_tree(new (C) LoadDNode(NULL,mem,fp,atp,Type::DOUBLE,MemNode::unordered)); 845 MachNode *spillD = match_tree(new (C) LoadDNode(NULL,mem,fp,atp,Type::DOUBLE,MemNode::unordered));
846 MachNode *spillP = match_tree(new (C) LoadPNode(NULL,mem,fp,atp,TypeInstPtr::BOTTOM,MemNode::unordered)); 846 MachNode *spillP = match_tree(new (C) LoadPNode(NULL,mem,fp,atp,TypeInstPtr::BOTTOM,MemNode::unordered));
847 assert(spillI != NULL && spillL != NULL && spillF != NULL && 847 assert(spillI != NULL && spillL != NULL && spillF != NULL &&
848 spillD != NULL && spillP != NULL, ""); 848 spillD != NULL && spillP != NULL, "");