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120 Commits

Author SHA1 Message Date
Vladimir Kozlov
30dc0edfc8 6673473: (Escape Analysis) Add the instance's field information to PhiNode 
Avoid an infinite generation of instance's field values Phi nodes.

Reviewed-by: never
 2008-03-13 16:31:32 -07:00
Vladimir Kozlov
000ac830a0 6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint 
Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.

Reviewed-by: never
 2008-03-13 16:06:34 -07:00
Vladimir Kozlov
50708126d4 6623167: C2 crashed in StoreCMNode::Value 
C2 crashed in StoreCMNode::Value because n->in(MemNode::OopStore) is 0.

Reviewed-by: rasbold, never
 2008-03-11 11:04:40 -07:00
Vladimir Kozlov
9ec574b7e6 6667605: (Escape Analysis) inline java constructors when EA is on 
Java constructors should be inlined to be able scalar replace a new object

Reviewed-by: rasbold
 2008-03-07 11:09:13 -08:00
Vladimir Kozlov
37b9a97e08 6670459: Fix Node::dump() performance 
Dump full ideal graph takes forever.

Reviewed-by: never, rasbold
 2008-03-06 20:58:16 -08:00
Vladimir Kozlov
277c3322f6 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation 
Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.

Reviewed-by: rasbold
 2008-03-06 10:53:33 -08:00
Vladimir Kozlov
bf7f5e1887 6667610: (Escape Analysis) retry compilation without EA if it fails 
During split unique types EA could exceed nodes limit and fail the method compilation.

Reviewed-by: rasbold
 2008-03-06 10:30:17 -08:00
Vladimir Kozlov
17458c9660 6671250: In Parse::do_if() old Cmp node 'c' should be replaced with new one after BoolNode transformation 
In Parse::do_if() 'c' (CmpNode) node may be changed during BoolNode transformation so 'c' may became dead but the node is referenced later in the code.

Reviewed-by: never
 2008-03-05 11:33:31 -08:00
Vladimir Kozlov
dc6ad19d70 6667618: disable LoadL->ConvL2I ==> LoadI optimization 
This optimization causes problems (sizes of Load and Store nodes do not match) for objects initialization code and Escape Analysis

Reviewed-by: jrose, never
 2008-02-29 19:57:41 -08:00
Vladimir Kozlov
09d7f4bbcf 6667588: Don't generate duplicated CMP for float/double values 
Float CMove generation add duplicated CMPF if there are more then one Move depending on the condition.

Reviewed-by: jrose, never, rasbold
 2008-02-29 19:07:15 -08:00
Vladimir Kozlov
7ec44373b5 6667581: Don't generate initialization (by 0) code for arrays with size 0 
Generate_arraycopy() does not check the size of allocated array.

Reviewed-by: jrose, never
 2008-02-29 11:22:27 -08:00
Vladimir Kozlov
c223fed084 6667580: Optimize CmpP for allocations 
CmpP could be optimized out if it compares new allocated objects.

Reviewed-by: jrose, never, rasbold
 2008-02-29 09:57:18 -08:00
Vladimir Kozlov
9a4ccf8a06 6667573: Use set_req_X() in AddPNode::Ideal() for Iterative GVN 
Set_req_X() puts dependent nodes on IGVN worklist which allows to improve graph and gives more opportunities for EA scalar replacement.

Reviewed-by: jrose, never
 2008-02-28 15:40:09 -08:00
Vladimir Kozlov
7be6246821 6590177: jck60019 test assert(!repeated,"do not walk merges twice") 
A mergemem node could be not in worklist_store but in should_not_repeat vectorset since it was processed and removed from worklist_store before.

Reviewed-by: jrose, never
 2008-02-28 10:45:15 -08:00
Vladimir Kozlov
9f1a8ede80 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM 
T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.

Reviewed-by: jrose
 2008-02-25 15:05:44 -08:00
Vladimir Kozlov
0dd8f3e8c0 6650373: Assert in methodOopDesc::make_adapters() 
AdapterHandlerLibrary::get_create_adapter_index() returns incorrect value (-2) when CodeCache is full.

Reviewed-by: sgoldman
 2008-02-22 17:55:13 -08:00
Vladimir Kozlov
5ade869e8c 6614330: Node::dump(n) does not print full graph for specified depth 
A node is not processed in dump_nodes() if it was visited during processing previous inputs.

Reviewed-by: rasbold
 2008-02-20 16:19:43 -08:00
Vladimir Kozlov
90815abd51 6621098: "* HeapWordSize" for TrackedInitializationLimit is missing 
'* HeapWordSize' is missing in GraphKit::set_output_for_allocation()

Reviewed-by: rasbold, jrose, never
 2008-02-12 18:37:50 -08:00
Tom Rodriguez
10c473e425 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) 
Reviewed-by: kvn, rasbold
 2007-12-05 09:01:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00