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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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hotspot/src/share/vm/opto/ifnode.cpp
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@ -673,7 +673,7 @@ const TypeInt* IfNode::filtered_int_type(PhaseGVN* gvn, Node *val, Node* if_proj
// / Region
//
Node* IfNode::fold_compares(PhaseGVN* phase) {
if (!EliminateAutoBox || Opcode() != Op_If) return NULL;
if (!phase->C->eliminate_boxing() || Opcode() != Op_If) return NULL;
Node* this_cmp = in(1)->in(1);
if (this_cmp != NULL && this_cmp->Opcode() == Op_CmpI &&