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37b9a97e08
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27 Commits

Author SHA1 Message Date
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
John R Rose
73fa03eafc 6610906: inexplicable IncompatibleClassChangeError 
Dependency check must treat polymorphic interfaces consistently

Reviewed-by: kvn, never, sgoldman
 2008-02-27 00:23:37 -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
e06dedd2f1 6498878: client compiler crashes on windows when dealing with breakpoint instructions 
_is_compilable check prevents breakpoint bytecodes reversion when loading bytecodes for ciMethod.

Reviewed-by: never
 2008-02-21 19:03:44 -08:00
Vladimir Kozlov
b8789d9c9a 6621084: ciMethodBlocks::split_block_at() is broken for methods with exception handler 
After an exception handler block is split the exception information is not moved to the new block which starts in exception handler BCI.

Reviewed-by: jrose
 2008-02-21 14:03:41 -08:00
Vladimir Kozlov
26097e9848 6621094: PrintOptoAssembly is broken for oops information in DebugInfo 
OopMapValue and VMRegImpl classes miss the virtual method print_on(st).

Reviewed-by: rasbold, jrose, never
 2008-02-20 17:23:43 -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
Coleen Phillimore
218615259d 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part) 
Convert strings from Download Manager into native encoding in the VM

Reviewed-by: sbohne, never, phh, kamg, xlu
 2008-01-17 13:38:17 -08:00
John Coomes
1bfa153ebe 6635560: segv in reference processor on t1000 
Revert back to using the default page size for the card table

Reviewed-by: pbk, phh
 2007-12-06 13:59:28 -08:00
Paul Hohensee
4576d7abf7 6629887: 64-bit windows should not restrict default heap size to 1400m 
Reviewed-by: jmasa, sbohne, ikrylov, xlu
 2007-12-05 09:04:00 -08:00
Chuck Rasbold
b3b837074b 6614036: REGRESSION: Java server x86 VM intermittently crash with SIGSEGV (0xb) 
Restore destination address in x86 32-bit checkcast_arraycopy stub

Reviewed-by: jrose, kvn, never
 2007-12-05 09:03:00 -08:00
Paul Hohensee
4abbae1fc2 6621621: HashMap front cache should be enabled only with AggressiveOpts 
Reviewed-by: sbohne, xlu
 2007-12-05 09:02:00 -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
Daniel D. Daugherty
5fa349cc42 6664627: Merge changes made only in hotspot 11 forward to jdk 7 
Reviewed-by: jcoomes
 2007-12-05 09:00:00 -08:00
Xiomara Jayasena
dcbf4ea9ee Added tag jdk7-b24 for changeset 489c9b5090e2 2007-12-04 16:28:18 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00