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8476 Commits

Author SHA1 Message Date
Vladimir Kozlov
c58e0f9c95 6678377: Update build number for HS12 
B01 -> b02

Reviewed-by: kvn
 2008-03-21 00:49:06 -07:00
Vladimir Kozlov
cdd27962da 6674600: (Escape Analysis) Optimize memory graph for instance's fields 
EA gives opportunite to do more aggressive memory optimizations.

Reviewed-by: never, jrose
 2008-03-20 15:11:44 -07:00
Vladimir Kozlov
1ba2523386 6259129: (Escape Analysis) scalar replacement for not escaping objects 
Use scalar replacement with EA to remove allocations for objects which do not escape the compiled method.

Reviewed-by: rasbold, never, jrose
 2008-03-20 13:51:55 -07:00
Tom Rodriguez
a2b4f55757 6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests 
Alignment expression with secondary induction variables is sometimes wrong

Reviewed-by: kvn, rasbold
 2008-03-20 10:43:42 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
Vladimir Kozlov
b71360f557 6662967: Optimize I2D conversion on new x86 
Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.

Reviewed-by: sgoldman, never
 2008-03-19 15:33:25 -07:00
Tom Rodriguez
d200260fe5 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations 
Copy elimination of a constant value results in incorrect execution

Reviewed-by: kvn, sgoldman, rasbold
 2008-03-19 15:14:36 -07:00
Steve Bohne
bf559c6dce 6667833: Remove CacheTimeMillis 
Remove -XX:+CacheTimeMillis option and associated functionality

Reviewed-by: acorn, never
 2008-03-19 09:58:01 -04:00
Tom Rodriguez
49434b6bad 6659207: access violation in CompilerThread0 
Split_thru_phi produces top on a non-dead path

Reviewed-by: kvn, rasbold, sgoldman
 2008-03-18 23:54:17 -07:00
Tom Rodriguez
8e1624d88c 6676841: ClearArrayNode::Identity is incorrect for 64-bit 
ClearArrayNode::Identity should use TypeX instead of TypeInt

Reviewed-by: jrose, kvn, sgoldman
 2008-03-18 23:44:46 -07:00
Tom Rodriguez
641bce6847 6666343: Compile::has_loops not always set correctly 
Compile::has_loops() should be set from inlined methods

Reviewed-by: kvn, rasbold
 2008-03-18 11:17:37 -07:00
Y. Srinivas Ramakrishna
f2b6ac989e 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction 
The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future.

Reviewed-by: jmasa
 2008-03-16 21:57:25 -07:00
Vladimir Kozlov
20046c1a18 6672848: (Escape Analysis) improve lock elimination with EA 
Remove lock/unlock MemBar nodes and specify locks in debug info for deoptimization.

Reviewed-by: never
 2008-03-14 16:40:42 -07:00
Vladimir Kozlov
fc0117cb9a 6674588: (Escape Analysis) Improve Escape Analysis code 
Current EA code has several problems which have to be fixed.

Reviewed-by: jrose, sgoldman
 2008-03-14 15:26:33 -07:00
Steve Bohne
387f42921b 6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file 
Os::attempt_reserve_memory_at() now passes an address hint to mmap

Reviewed-by: kamg, dice
 2008-03-14 10:43:02 -04:00
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
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
Daniel D. Daugherty
63a8cc420e 6667089: 3/3 multiple redefinitions of a class break reflection 
Use instanceKlass::method_with_idnum() instead of slot() to work with RedefineClasses().

Reviewed-by: sspitsyn
 2008-03-12 18:39:05 -07:00
Daniel D. Daugherty
2927815658 6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers 
(for Serguei) Allow for Linux builds with Sun Studio Linux compilers

Reviewed-by: sspitsyn, ohair
 2008-03-12 18:37:03 -07:00
Daniel D. Daugherty
454bce8993 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC 
(for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI

Reviewed-by: dcubed
 2008-03-12 18:09:34 -07:00
Daniel D. Daugherty
f813016add 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure 
Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup()

Reviewed-by: coleenp, sspitsyn, jmasa
 2008-03-12 18:07:46 -07:00
Daniel D. Daugherty
0f1d30354a 6497639: 4/3 Profiling Swing application caused JVM crash 
Make RedefineClasses() interoperate better with class sharing.

Reviewed-by: sspitsyn, jmasa
 2008-03-12 18:06:50 -07:00
John Coomes
1e62d37cc0 Merge 2008-03-12 16:31:37 -07:00
Vladimir Kozlov
b64d5e4209 6667615: (Escape Analysis) extend MDO to cache arguments escape state 
Use MDO to cache arguments escape state determined by the byte code escape analyzer.

Reviewed-by: never
 2008-03-11 19:00:38 -07:00
Jon Masamitsu
3bf59e9c0a 6673975: Disable ZapUnusedHeapArea to reduce GC execution times of debug JVM's 
Mangling the unused space is having an adverse affect on testing with fastdebug builds so turn it off by default.

Reviewed-by: ysr, tonyp
 2008-03-11 14:19:53 -07:00
Vladimir Kozlov
96e8bcb6aa 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects 
Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed.

Reviewed-by: rasbold, never
 2008-03-11 11:25:13 -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
John Coomes
a39a588efa Merge 2008-03-10 17:21:56 -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
John Coomes
1e10db0d6a Merge 2008-03-05 17:37:04 -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
Steve Bohne
c953a1e7b8 6666698: EnableBiasedLocking with BiasedLockingStartupDelay can block Watcher thread 
Enqueue VM_EnableBiasedLocking operation asynchronously

Reviewed-by: never, xlu, kbr, acorn
 2008-03-04 09:44:24 -05:00
Steve Bohne
59cc274f16 6655385: Disable frame pointer omission in jvm.dll on Windows for better crash logs 
Add /Oy- C++ compiler option on Windows

Reviewed-by: phh, never, ysr
 2008-03-03 14:47:02 -05:00
Jon Masamitsu
6c0c606249 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO 
Default values set by cms ergonomics are set with FLAG_SET_DEFAULT so down stream the values look like the default values and affect how later parameters are set.  Set these values with FLAG_SET_ERGO instead and adjust how later parameters are interpreted.

Reviewed-by: iveresov, apetrusenko, pbk, ysr
 2008-03-02 16:10:12 -08:00
Mark Reinhold
1559ee2a70 6669216: Add jcheck configuration directories 
Reviewed-by: ohair, xdono
 2008-02-29 20:03:58 -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
Y. Srinivas Ramakrishna
a6d8fca876 6668743: CMS: Consolidate block statistics reporting code 
Reduce the amount of related code replication and improve pretty printing.

Reviewed-by: jmasa
 2008-02-29 14:42:56 -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
Coleen Phillimore
f235d989d0 6549844: Wording problems in "An unexpected error ..." 
Changed wording to "A fatal error.." also don't claim it's not VM bug if in hotspot compilers (Java thread in native).

Reviewed-by: jjh, sbohne, jrose, never
 2008-02-27 13:55:58 -05:00
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
Y. Srinivas Ramakrishna
51bf19209d 6621728: Heap inspection should not crash in the face of C-heap exhaustion 
Deal more gracefully with situations where C-heap scratch space cannot be had

Reviewed-by: jmasa
 2008-02-26 15:57:49 -08:00