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8203883: Remove State from InvocationCounters

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Reviewed-by: redestad, thartmann
This commit is contained in:
Nils Eliasson 2020-02-12 20:53:48 +01:00
parent b4b8ead78b
commit 18c01206d0
8 changed files with 80 additions and 197 deletions
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18
src/hotspot/share/compiler/compilationPolicy.cpp
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@ -295,8 +295,8 @@ void SimpleCompPolicy::reset_counter_for_invocation_event(const methodHandle& m)
// Set carry bit and reduce counter's value to min(count, CompileThreshold/2).
MethodCounters* mcs = m->method_counters();
assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
mcs->invocation_counter()->set_carry();
mcs->backedge_counter()->set_carry();
mcs->invocation_counter()->set_carry_and_reduce();
mcs->backedge_counter()->set_carry_and_reduce();
assert(!m->was_never_executed(), "don't reset to 0 -- could be mistaken for never-executed");
}
@ -312,9 +312,9 @@ void SimpleCompPolicy::reset_counter_for_back_branch_event(const methodHandle& m
// Don't set invocation_counter's value too low otherwise the method will
// look like immature (ic < ~5300) which prevents the inlining based on
// the type profiling.
i->set(i->state(), CompileThreshold);
i->set(CompileThreshold);
// Don't reset counter too low - it is used to check if OSR method is ready.
b->set(b->state(), CompileThreshold / 2);
b->set(CompileThreshold / 2);
}
// Called at the end of the safepoint
@ -340,7 +340,7 @@ void SimpleCompPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) {
c = mcs->invocation_counter();
if (is_osr) {
// It was an OSR method, so bump the count higher.
c->set(c->state(), CompileThreshold);
c->set(CompileThreshold);
} else {
c->reset();
}
@ -358,14 +358,6 @@ void SimpleCompPolicy::delay_compilation(Method* method) {
}
}
void SimpleCompPolicy::disable_compilation(Method* method) {
MethodCounters* mcs = method->method_counters();
if (mcs != NULL) {
mcs->invocation_counter()->set_state(InvocationCounter::wait_for_nothing);
mcs->backedge_counter()->set_state(InvocationCounter::wait_for_nothing);
}
}
CompileTask* SimpleCompPolicy::select_task(CompileQueue* compile_queue) {
return select_task_helper(compile_queue);
}