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6684714: Optimize EA Connection Graph build performance

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Switch on EA by default, optimize Connection Graph construction

Reviewed-by: rasbold, never
This commit is contained in:
Vladimir Kozlov 2008-07-03 18:02:47 -07:00
parent 2a68d0757b
commit 696e17c0ba
7 changed files with 290 additions and 285 deletions
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21
hotspot/src/share/vm/compiler/oopMap.cpp
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@ -188,10 +188,6 @@ void OopMap::set_derived_oop(VMReg reg, VMReg derived_from_local_register ) {
}
}
void OopMap::set_stack_obj(VMReg reg) {
set_xxx(reg, OopMapValue::stack_obj, VMRegImpl::Bad());
}
// OopMapSet
OopMapSet::OopMapSet() {
@ -399,8 +395,7 @@ void OopMapSet::all_do(const frame *fr, const RegisterMap *reg_map,
if ( loc != NULL ) {
if ( omv.type() == OopMapValue::oop_value ) {
#ifdef ASSERT
if (COMPILER2_PRESENT(!DoEscapeAnalysis &&)
(((uintptr_t)loc & (sizeof(*loc)-1)) != 0) ||
if ((((uintptr_t)loc & (sizeof(*loc)-1)) != 0) ||
!Universe::heap()->is_in_or_null(*loc)) {
tty->print_cr("# Found non oop pointer. Dumping state at failure");
// try to dump out some helpful debugging information
@ -431,17 +426,6 @@ void OopMapSet::all_do(const frame *fr, const RegisterMap *reg_map,
}
}
}
#ifdef COMPILER2
if (DoEscapeAnalysis) {
for (OopMapStream oms(map, OopMapValue::stack_obj); !oms.is_done(); oms.next()) {
omv = oms.current();
assert(omv.is_stack_loc(), "should refer to stack location");
oop loc = (oop) fr->oopmapreg_to_location(omv.reg(),reg_map);
oop_fn->do_oop(&loc);
}
}
#endif // COMPILER2
}
@ -540,9 +524,6 @@ void print_register_type(OopMapValue::oop_types x, VMReg optional,
st->print("Derived_oop_" );
optional->print_on(st);
break;
case OopMapValue::stack_obj:
st->print("Stack");
break;
default:
ShouldNotReachHere();
}