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7097679: Tiered: events with bad bci to Gotos reduced from Ifs

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Save bci of instruction that produced Goto and use it to call back to runtime

Reviewed-by: kvn, never
This commit is contained in:
Igor Veresov 2011-10-04 10:07:07 -07:00
parent 7f01a4d4f5
commit a4975758bb
2 changed files with 6 additions and 6 deletions
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6
hotspot/src/share/vm/c1/c1_GraphBuilder.cpp
View file

@ -1165,12 +1165,12 @@ void GraphBuilder::_goto(int from_bci, int to_bci) {
Goto *x = new Goto(block_at(to_bci), to_bci <= from_bci);
if (is_profiling()) {
compilation()->set_would_profile(true);
}
x->set_profiled_bci(bci());
if (profile_branches()) {
x->set_profiled_method(method());
x->set_profiled_bci(bci());
x->set_should_profile(true);
}
}
append(x);
}
@ -1203,9 +1203,9 @@ void GraphBuilder::if_node(Value x, If::Condition cond, Value y, ValueStack* sta
Goto *goto_node = i->as_Goto();
if (goto_node != NULL) {
compilation()->set_would_profile(true);
goto_node->set_profiled_bci(bci());
if (profile_branches()) {
goto_node->set_profiled_method(method());
goto_node->set_profiled_bci(bci());
goto_node->set_should_profile(true);
// Find out which successor is used.
if (goto_node->default_sux() == tsux) {

2
hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
View file

@ -2493,7 +2493,7 @@ void LIRGenerator::do_Goto(Goto* x) {
// increment backedge counter if needed
CodeEmitInfo* info = state_for(x, state);
increment_backedge_counter(info, info->stack()->bci());
increment_backedge_counter(info, x->profiled_bci());
CodeEmitInfo* safepoint_info = state_for(x, state);
__ safepoint(safepoint_poll_register(), safepoint_info);
}