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6934604: enable parts of EliminateAutoBox by default

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Resurrected autobox elimination code and enabled part of it by default.

Reviewed-by: roland, twisti
This commit is contained in:
Vladimir Kozlov 2013-05-08 15:08:01 -07:00
parent 7c367a6025
commit b4977e887a
48 changed files with 5776 additions and 501 deletions
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38
hotspot/src/share/vm/ci/ciMethod.cpp
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@ -1179,6 +1179,44 @@ bool ciMethod::has_jsrs () const { FETCH_FLAG_FROM_VM(has_jsrs);
bool ciMethod::is_accessor () const { FETCH_FLAG_FROM_VM(is_accessor); }
bool ciMethod::is_initializer () const { FETCH_FLAG_FROM_VM(is_initializer); }
bool ciMethod::is_boxing_method() const {
if (holder()->is_box_klass()) {
switch (intrinsic_id()) {
case vmIntrinsics::_Boolean_valueOf:
case vmIntrinsics::_Byte_valueOf:
case vmIntrinsics::_Character_valueOf:
case vmIntrinsics::_Short_valueOf:
case vmIntrinsics::_Integer_valueOf:
case vmIntrinsics::_Long_valueOf:
case vmIntrinsics::_Float_valueOf:
case vmIntrinsics::_Double_valueOf:
return true;
default:
return false;
}
}
return false;
}
bool ciMethod::is_unboxing_method() const {
if (holder()->is_box_klass()) {
switch (intrinsic_id()) {
case vmIntrinsics::_booleanValue:
case vmIntrinsics::_byteValue:
case vmIntrinsics::_charValue:
case vmIntrinsics::_shortValue:
case vmIntrinsics::_intValue:
case vmIntrinsics::_longValue:
case vmIntrinsics::_floatValue:
case vmIntrinsics::_doubleValue:
return true;
default:
return false;
}
}
return false;
}
BCEscapeAnalyzer *ciMethod::get_bcea() {
#ifdef COMPILER2
if (_bcea == NULL) {