Technical discussion about the development of the HotSpot bytecode compilers ()

roland.westrelin | 1 Feb 14:10

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hg: hsx/hotspot-comp/hotspot: 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code

Changeset: f067b4e0e04b
Author:    roland
Date:      2012-02-01 10:36 +0100
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/f067b4e0e04b

7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
Summary: too optimistic inlining decision confuses local value numbering.
Reviewed-by: never

! src/share/vm/c1/c1_GraphBuilder.cpp
! src/share/vm/c1/c1_GraphBuilder.hpp
! src/share/vm/c1/c1_ValueMap.cpp
+ test/compiler/7090976/Test7090976.java

tom.rodriguez | 1 Feb 21:56

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hg: hsx/hotspot-comp/hotspot: 7141200: log some interesting information in ring buffers for crashes

Changeset: aa3d708d67c4
Author:    never
Date:      2012-02-01 07:59 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/aa3d708d67c4

7141200: log some interesting information in ring buffers for crashes
Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa

! src/os/windows/vm/os_windows.cpp
! src/share/vm/c1/c1_Runtime1.cpp
! src/share/vm/ci/ciEnv.hpp
! src/share/vm/code/compiledIC.cpp
! src/share/vm/code/nmethod.cpp
! src/share/vm/compiler/compileBroker.cpp
! src/share/vm/compiler/compileBroker.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
! src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
! src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
! src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
! src/share/vm/gc_interface/collectedHeap.cpp
! src/share/vm/gc_interface/collectedHeap.hpp
! src/share/vm/memory/genCollectedHeap.cpp
! src/share/vm/memory/genMarkSweep.cpp
! src/share/vm/prims/jvm.cpp
! src/share/vm/runtime/deoptimization.cpp
! src/share/vm/runtime/frame.cpp
! src/share/vm/runtime/globals.hpp
! src/share/vm/runtime/init.cpp
! src/share/vm/runtime/mutex.cpp

(Continue reading)

tom.rodriguez | 2 Feb 04:03

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hg: hsx/hotspot-comp/hotspot: 7013347: allow crypto functions to be called inline to enhance performance

Changeset: 0382d2b469b2
Author:    never
Date:      2012-02-01 16:57 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/0382d2b469b2

7013347: allow crypto functions to be called inline to enhance performance
Reviewed-by: kvn

! src/cpu/sparc/vm/assembler_sparc.hpp
! src/cpu/sparc/vm/assembler_sparc.inline.hpp
! src/cpu/sparc/vm/sharedRuntime_sparc.cpp
! src/cpu/x86/vm/sharedRuntime_x86_32.cpp
! src/cpu/x86/vm/sharedRuntime_x86_64.cpp
! src/share/vm/code/nmethod.cpp
! src/share/vm/code/nmethod.hpp
! src/share/vm/memory/gcLocker.cpp
! src/share/vm/memory/gcLocker.hpp
! src/share/vm/oops/arrayOop.cpp
! src/share/vm/oops/methodOop.cpp
! src/share/vm/oops/methodOop.hpp
! src/share/vm/prims/nativeLookup.cpp
! src/share/vm/prims/nativeLookup.hpp
! src/share/vm/runtime/globals.hpp
! src/share/vm/runtime/safepoint.cpp
! src/share/vm/runtime/safepoint.hpp
! src/share/vm/runtime/sharedRuntime.cpp
! src/share/vm/runtime/sharedRuntime.hpp
! src/share/vm/runtime/thread.cpp
! src/share/vm/runtime/thread.hpp

(Continue reading)

christian.thalinger | 2 Feb 22:11

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hg: hsx/hotspot-comp/hotspot: 7141637: JSR 292: MH spread invoker crashes with NULL argument on x86_32

Changeset: 392a3f07d567
Author:    twisti
Date:      2012-02-02 09:14 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/392a3f07d567

7141637: JSR 292: MH spread invoker crashes with NULL argument on x86_32
Reviewed-by: twisti
Contributed-by: Volker Simonis <volker.simonis@...>

! src/cpu/x86/vm/methodHandles_x86.cpp
+ test/compiler/7141637/SpreadNullArg.java

john.coomes | 3 Feb 05:39

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hg: hsx/hotspot-comp/corba: Added tag jdk8-b24 for changeset b98f0e6dddf9

Changeset: e45d6b406d5f
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/corba/rev/e45d6b406d5f

Added tag jdk8-b24 for changeset b98f0e6dddf9

! .hgtags

john.coomes | 3 Feb 05:39

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hg: hsx/hotspot-comp/jaxp: Added tag jdk8-b24 for changeset 7836655e2495

Changeset: bb694c151fc7
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/jaxp/rev/bb694c151fc7

Added tag jdk8-b24 for changeset 7836655e2495

! .hgtags

john.coomes | 3 Feb 05:39

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hg: hsx/hotspot-comp/jaxws: Added tag jdk8-b24 for changeset e0d90803439b

Changeset: b376d901e006
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/jaxws/rev/b376d901e006

Added tag jdk8-b24 for changeset e0d90803439b

! .hgtags

john.coomes | 3 Feb 05:39

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hg: hsx/hotspot-comp/jdk: Added tag jdk8-b24 for changeset 34029a0c69bb

Changeset: 8da468cf037b
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/jdk/rev/8da468cf037b

Added tag jdk8-b24 for changeset 34029a0c69bb

! .hgtags

john.coomes | 3 Feb 05:41

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hg: hsx/hotspot-comp/langtools: Added tag jdk8-b24 for changeset 6c9d21ca92c4

Changeset: 5a784dab75f1
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/langtools/rev/5a784dab75f1

Added tag jdk8-b24 for changeset 6c9d21ca92c4

! .hgtags

john.coomes | 3 Feb 05:39

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hg: hsx/hotspot-comp: Added tag jdk8-b24 for changeset 1a5f1d6b98d6

Changeset: 5350cd6e0cc0
Author:    katleman
Date:      2012-02-02 09:39 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/rev/5350cd6e0cc0

Added tag jdk8-b24 for changeset 1a5f1d6b98d6

! .hgtags

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Request for reviews (XS): 7170145: C1 doesn't respect the JMM with vol (23 May 02:35)
Request for reviews (M): 7170463: C2 should recognize "obj.getClass() (22 May 00:36)
inliner heuristics (21 May 21:14)
hg: hsx/hotspot-comp/hotspot: 7169934: pow(x, y) or x64 computes incor (21 May 13:20)
hg: hsx/hotspot-comp/hotspot: 7170053: crash in C2 when using -XX:+Cou (19 May 01:31)
hg: hsx/hotspot-comp/hotspot: 7167254: Crash on OSX in Enumerator.next (18 May 18:05)
RFS (XS): 7169934: pow(x, y) or x64 computes incorrect result when x<0 (18 May 13:16)
hg: hsx/hotspot-comp/langtools: Added tag jdk8-b39 for changeset a9f54 (18 May 05:42)
hg: hsx/hotspot-comp/jdk: 4 new changesets (18 May 05:39)
hg: hsx/hotspot-comp/jaxws: Added tag jdk8-b39 for changeset 7f6b44fd3 (18 May 05:39)
hg: hsx/hotspot-comp/jaxp: Added tag jdk8-b39 for changeset f95fdbe525 (18 May 05:39)
hg: hsx/hotspot-comp/corba: Added tag jdk8-b39 for changeset 785af00e2 (18 May 05:38)
hg: hsx/hotspot-comp: 4 new changesets (18 May 05:38)
Request for review (XS): crash in C2 when using -XX:+CountCompiledCall (16 May 15:02)
RFR (M): 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() (15 May 18:10)
hg: hsx/hotspot-comp/hotspot: 7133857: exp() and pow() should use the (15 May 13:26)
hg: hsx/hotspot-comp/hotspot: 6924259: Remove String.count/String.offs (15 May 00:37)
hg: hsx/hotspot-comp/hotspot: 54 new changesets (13 May 02:56)
hg: hsx/hotspot-comp/langtools: 9 new changesets (11 May 16:01)
hg: hsx/hotspot-comp/jdk: 49 new changesets (11 May 05:41)
hg: hsx/hotspot-comp/jaxws: 2 new changesets (11 May 05:39)

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