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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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12
hotspot/src/share/vm/opto/parse2.cpp
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@ -987,7 +987,7 @@ void Parse::do_ifnull(BoolTest::mask btest, Node *c) {
uncommon_trap(Deoptimization::Reason_unreached,
Deoptimization::Action_reinterpret,
NULL, "cold");
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor blocks as parsed
branch_block->next_path_num();
next_block->next_path_num();
@ -1012,7 +1012,7 @@ void Parse::do_ifnull(BoolTest::mask btest, Node *c) {
if (stopped()) { // Path is dead?
explicit_null_checks_elided++;
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor block as parsed
branch_block->next_path_num();
}
@ -1032,7 +1032,7 @@ void Parse::do_ifnull(BoolTest::mask btest, Node *c) {
if (stopped()) { // Path is dead?
explicit_null_checks_elided++;
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor block as parsed
next_block->next_path_num();
}
@ -1069,7 +1069,7 @@ void Parse::do_if(BoolTest::mask btest, Node* c) {
uncommon_trap(Deoptimization::Reason_unreached,
Deoptimization::Action_reinterpret,
NULL, "cold");
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor blocks as parsed
branch_block->next_path_num();
next_block->next_path_num();
@ -1135,7 +1135,7 @@ void Parse::do_if(BoolTest::mask btest, Node* c) {
set_control(taken_branch);
if (stopped()) {
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor block as parsed
branch_block->next_path_num();
}
@ -1154,7 +1154,7 @@ void Parse::do_if(BoolTest::mask btest, Node* c) {
// Branch not taken.
if (stopped()) {
if (EliminateAutoBox) {
if (C->eliminate_boxing()) {
// Mark the successor block as parsed
next_block->next_path_num();
}