--- a/hotspot/src/share/vm/opto/memnode.cpp Fri May 02 09:30:17 2014 +0000
+++ b/hotspot/src/share/vm/opto/memnode.cpp Fri May 02 16:44:54 2014 -0700
@@ -308,33 +308,16 @@
int alias_idx = phase->C->get_alias_index(t_adr->is_ptr());
}
-#ifdef ASSERT
Node* base = NULL;
- if (address->is_AddP())
+ if (address->is_AddP()) {
base = address->in(AddPNode::Base);
+ }
if (base != NULL && phase->type(base)->higher_equal(TypePtr::NULL_PTR) &&
!t_adr->isa_rawptr()) {
// Note: raw address has TOP base and top->higher_equal(TypePtr::NULL_PTR) is true.
- Compile* C = phase->C;
- tty->cr();
- tty->print_cr("===== NULL+offs not RAW address =====");
- if (C->is_dead_node(this->_idx)) tty->print_cr("'this' is dead");
- if ((ctl != NULL) && C->is_dead_node(ctl->_idx)) tty->print_cr("'ctl' is dead");
- if (C->is_dead_node(mem->_idx)) tty->print_cr("'mem' is dead");
- if (C->is_dead_node(address->_idx)) tty->print_cr("'address' is dead");
- if (C->is_dead_node(base->_idx)) tty->print_cr("'base' is dead");
- tty->cr();
- base->dump(1);
- tty->cr();
- this->dump(2);
- tty->print("this->adr_type(): "); adr_type()->dump(); tty->cr();
- tty->print("phase->type(address): "); t_adr->dump(); tty->cr();
- tty->print("phase->type(base): "); phase->type(address)->dump(); tty->cr();
- tty->cr();
+ // Skip this node optimization if its address has TOP base.
+ return NodeSentinel; // caller will return NULL
}
- assert(base == NULL || t_adr->isa_rawptr() ||
- !phase->type(base)->higher_equal(TypePtr::NULL_PTR), "NULL+offs not RAW address?");
-#endif
// Avoid independent memory operations
Node* old_mem = mem;