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4536 Commits

Author SHA1 Message Date
Roland Westrelin
dc1afd4abe Merge 2014-08-11 13:02:44 +00:00
Roland Westrelin
a56ade07c7 7173584: Implement arraycopy as a macro node 
Delay the conversion of arraycopy to stub calls to macro expansion

Reviewed-by: kvn, iveresov
 2014-08-11 14:12:51 +02:00
Tobias Hartmann
a67aa1e3df 8043284: Optimize signed integer comparison 
Folding of BoolNode if input add/sub of CmpI overflows and we can prove that compared value is not in the two resulting ranges. Added test for CmpI and CmpU optimizations.

Reviewed-by: kvn, rbackman, roland
 2014-08-11 13:01:37 +02:00
Vladimir Kozlov
648272884a Merge 2014-08-08 10:35:05 -07:00
Jon Masamitsu
1cf05b831f Merge 2014-08-08 07:38:34 -07:00
Jon Masamitsu
30d4217ecd Merge 2014-08-07 20:17:37 -07:00
Morris Meyer
a6397cd368 8040920: Uninitialised memory in hotspot/src/share/vm/code/dependencies.cpp 
Fixed parfait initialization issue.

Reviewed-by: kvn, twisti
 2014-08-07 18:09:12 -07:00
Marcus Larsson
ae0190f121 8051837: Remove temporary G1UseParallelRSetUpdating and G1UseParallelRSetScanning flags 
Reviewed-by: stefank, tschatzl
 2014-08-07 09:35:08 +02:00
Stefan Karlsson
ef47f5dc0e 8048269: Add flag to turn off class unloading after G1 concurrent mark 
Added -XX:+/-ClassUnloadingWithConcurrentMark

Reviewed-by: jmasa, brutisso, mgerdin
 2014-08-06 09:55:16 +02:00
Harold Seigel
1c5ed7ab4c 8046233: VerifyError on backward branch 
Remove check that causes the VerifyError

Reviewed-by: dholmes, coleenp, acorn
 2014-08-05 09:11:35 -04:00
Harold Seigel
f588cd1325 8051012: Regression in verifier for <init> method call from inside of a branch 
Fix stackmap matching for branches.

Reviewed-by: coleenp, lfoltan, acorn
 2014-08-02 16:28:59 -04:00
Roland Westrelin
355f6eb4ae 8046698: assert(false) failed: only Initialize or AddP expected macro.cpp:943 
PhiNode inserted between AllocateNode and Initialization node confuses allocation elimination

Reviewed-by: kvn
 2014-08-02 07:06:08 +02:00
Vladimir Kozlov
7764490363 8052081: Optimize generated by C2 code for Intel's Atom processor 
Allow to execute vectorization and crc32 optimization on Atom. Enable UseFPUForSpilling by default on x86.

Reviewed-by: roland
 2014-08-05 15:02:10 -07:00
Morris Meyer
97512f58ec 8040921: Uninitialised memory in hotspot/src/share/vm/c1/c1_LinearScan.cpp 
Fixed parfait initialization issue.

Reviewed-by: kvn, twisti
 2014-08-05 08:19:03 -07:00
Tobias Hartmann
70a55eac34 8054033: Remove unused references to Compile* 
Removed unused references to Compile* missed by JDK-8034812.

Reviewed-by: kvn, roland
 2014-08-05 09:58:52 +02:00
Serguei Spitsyn
7b1571089e Merge 2014-08-01 19:03:26 -07:00
Jon Masamitsu
5f2c33e42b 8031323: Optionally align objects copied to survivor spaces 
Reviewed-by: brutisso, tschatzl
 2014-08-01 15:40:12 -07:00
Thomas Schatzl
a959c0971e 8051973: Eager reclaim leaves marks of marked but reclaimed objects on the next bitmap 
Eager reclaim also needs to clear marks of eagerly reclaimed regions if they have already been marked during concurrent mark.

Reviewed-by: jmasa
 2014-07-31 09:23:24 +02:00
Tobias Hartmann
e3073f2e53 8053915: bigapps assert failure in C2: modified node is not on IGVN._worklist 
Add modified node to the IGVN worklist in 'PhaseIdealLoop::do_range_check'.

Reviewed-by: kvn, roland
 2014-07-31 08:39:47 +02:00
Tobias Hartmann
efc7daaf82 8054081: Crashes with assert "modified node is not on IGVN._worklist" 
Modified safepoint nodes are not added to the IGVN worklist by 'PhaseMacroExpand::scalar_replacement()'

Reviewed-by: kvn, roland
 2014-08-05 08:25:10 +02:00
Roland Westrelin
2588547f41 Merge 2014-08-01 15:57:00 -07:00
Roland Westrelin
e546e2a060 8054054: 8040121 is broken 
C++ code pattern from 8040121 is incorrect

Reviewed-by: kvn
 2014-07-31 19:59:36 +02:00
Coleen Phillimore
d230f0b4fd 8051398: jvmti tests fieldacc002, fieldmod002 fail in nightly with errors: (watch#0) wrong location 
Didn't handle NULL bcp for native methods

Reviewed-by: dcubed, sspitsyn
 2014-07-31 00:50:55 +00:00
Vladimir Kozlov
7a9fc5ff21 Merge 2014-07-29 21:28:09 +00:00
Vladimir Kozlov
4e83db432d 8049252: VerifyStack logic in Deoptimization::unpack_frames does not expect to see invoke bc at the top frame during normal deoptimization 
Add missing check for reexecute flag to VerifyStack code.

Reviewed-by: roland
 2014-07-29 13:40:58 -07:00
Tobias Hartmann
c36b77bbfd 8049043: Load variable through a pointer of an incompatible type in hotspot/src/share/vm/runtime/sharedRuntimeMath.hpp 
Fixed parfait warnings caused by __HI and __LO macros in sharedRuntimeMath.hpp by using a union.

Reviewed-by: kvn, drchase
 2014-07-29 13:56:29 +02:00
Tobias Hartmann
d2a5b70cdf 8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp 
Fixed parfait warnings in globalDefinitions files by using a union for casts.

Reviewed-by: kvn
 2014-07-29 13:54:16 +02:00
Martin Doerr
071c3a3924 8050973: CMS/G1 GC: add missing Resource and Handle mark 
Add Resource/HandleMark in the work() method of some AbstractGangTask to reclaim these resources earlier.

Reviewed-by: tschatzl, goetz
 2014-07-29 10:26:09 +02:00
Filipp Zhinkin
e8d1955b5e 8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on 
Call rtm_deopt() only if there were no compilation bailouts before.

Reviewed-by: kvn
 2014-07-28 15:06:38 -07:00
Jon Masamitsu
7774fe7ed1 Merge 2014-07-24 15:06:36 -07:00
Rickard Bäckman
84271f1c96 Merge 2014-07-24 14:38:26 +02:00
Jon Masamitsu
e242f23105 Merge 2014-07-23 14:06:28 -07:00
Thomas Schatzl
f161bd6d16 8027959: Early reclamation of large objects in G1 
Try to reclaim humongous objects at every young collection after doing a conservative estimate of its liveness.

Reviewed-by: brutisso, mgerdin
 2014-07-23 09:03:32 +02:00
Thomas Schatzl
bc56e061ec 8048112: G1 Full GC needs to support the case when the very first region is not available 
Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.

Reviewed-by: brutisso
 2014-07-21 10:00:31 +02:00
Thomas Schatzl
ce1a131e47 8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account 
Also consider os::vm_allocation_granularity in the calculation.

Reviewed-by: brutisso
 2014-07-21 09:59:54 +02:00
Thomas Schatzl
2e37a94622 8048085: Aborting marking just before remark results in useless additional clearing of the next mark bitmap 
Skip clearing the next bitmap if we just recently aborted since the full GC already clears this bitmap.

Reviewed-by: brutisso
 2014-07-21 09:59:46 +02:00
Thomas Schatzl
1ad5cdb4a4 8049051: Use of during_initial_mark_pause() in G1CollectorPolicy::record_collection_pause_end() prevents use of seperate object copy time prediction during marking 
Replaced use of during_initial_mark_pause() with the variable last_pause_included_initial_mark that holds the real old value of _during_initial_mark_pause.

Reviewed-by: brutisso, ehelin
 2014-07-21 09:59:37 +02:00
Serguei Spitsyn
b0367c3bea Merge 2014-07-18 23:53:59 -07:00
Jon Masamitsu
2d63b52aa7 Merge 2014-07-18 15:42:20 -07:00
Alejandro Murillo
f4aa8d51a5 Merge 2014-07-18 12:02:54 -07:00
Coleen Phillimore
e051932425 Merge 2014-07-18 11:22:49 -04:00
Rickard Bäckman
eefe77eaff Merge 2014-07-18 10:41:05 +02:00
Andreas Schoesser
cabec1ca5e 8050978: Fix bad field access check in C1 and C2 
JCK8 test vm/constantpool/accessControl/accessControl004/accessControl00402m3/accessControl00402m3.html fails with -Xbatch -Xcomp due to bad field access check in C1 and C2. Fix: In ciField::ciField(), just before the canonical holder is stored into the _holder variable (and which is used by ciField::will_link()) perform an additional access check with the holder declared in the class file. If this check fails, store the declared holder instead and ciField::will_link() will bail out compilation for this field later on. Then, the interpreter will throw an PrivilegedAccessException at runtime.

Reviewed-by: kvn, vlivanov
 2014-07-18 09:04:01 +02:00
Albert Noll
0f4091ddaf Merge 2014-07-25 10:57:57 +00:00
Albert Noll
e4e0c214ff Merge 2014-07-25 10:04:36 +00:00
Albert Noll
cf7a398eea Merge 2014-07-25 09:44:53 +00:00
Tobias Hartmann
11eb4553c9 8040213: C2 does not put all modified nodes on IGVN worklist 
Verification code is added that checks if modified nodes are put on the IGVN worklist and modified nodes are processed by 'PhaseIterGVN::transform_old()'

Reviewed-by: kvn, jrose
 2014-07-25 10:06:17 +02:00
Zoltan Majo
1d44fa46f0 8050860: Cleanup TypeTuple and TypeFunc 
Declared fields TypeFunc::_domain, TypeFunc::_range, TypeTuple::_cnt and TypeTuple::_fields private, changed direct accesses to fields to use accessor methods.

Reviewed-by: kvn, vlivanov
 2014-07-24 09:15:38 +02:00
Coleen Phillimore
3f0a945468 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code 
Remove bcx and mdx handling.  We no longer have to convert bytecode pointers to indices for GC since Methods aren't moved.

Reviewed-by: mgerdin, kvn
 2014-07-17 15:45:46 -04:00
Volker Simonis
c17cd0d39f 8050228: Rename 'rem_size' in compactibleFreeListSpace.cpp because of name clashes on AIX 
Reviewed-by: dholmes, jmasa
 2014-07-17 11:32:09 +02:00