73 Commits

Author SHA1 Message Date
Vladimir Ivanov
3d03610bf4 8152773: C2: LoadNode properties aren't preserved when converting between signed/unsigned variants
Reviewed-by: jrose, kvn
2016-03-28 13:49:34 +03:00
Aleksey Shipilev
103aff334f 8146801: Allocating short arrays of non-constant size is slow
Reviewed-by: kvn, twisti, vlivanov
2016-03-04 01:30:11 +03:00
Aleksey Shipilev
0c43809cfe 8148146: Integrate new internal Unsafe entry points, and basic intrinsic support for VarHandles
Reviewed-by: psandoz, kvn, jrose, adinn, simonis, coleenp
2016-02-23 22:09:41 +03:00
Tobias Hartmann
69b52aa28b 8146629: Make phase->is_IterGVN() accessible from Node::Identity and Node::Value
Change arguments of Node::Identity() and Node::Value() from PhaseTransform* to PhaseGVN*.

Reviewed-by: kvn, roland
2016-01-12 12:55:09 +01:00
Roland Westrelin
c18a26c573 8142386: Octane crashes with assert(is_Load())
Unsafe access to an array is wrongly marked as mismatched

Reviewed-by: vlivanov, thartmann
2015-11-17 12:00:16 +01:00
Nils Eliasson
2f9e32256d Merge 2015-11-13 13:31:48 +01:00
Roland Westrelin
45b3ce816a 8140309: [REDO] failed: no mismatched stores, except on raw memory: StoreB StoreI
Mismatched stores on same slice possible with Unsafe.Put*Unaligned methods

Reviewed-by: kvn, thartmann
2015-10-28 10:20:33 +01:00
Dean Long
42c3dcab55 8140267: assert(is_native_ptr || alias_type->adr_type() == TypeOopPtr::BOTTOM || alias_type->field() != __null || alias_type->element() != __null) failed: field, array element or unknown
Back out 8136473

Reviewed-by: twisti
2015-10-21 18:05:45 -04:00
Roland Westrelin
096fa934a8 8136473: failed: no mismatched stores, except on raw memory: StoreB StoreI
Mismatched stores on same slice possible with Unsafe.Put*Unaligned methods

Reviewed-by: kvn, thartmann
2015-10-16 16:53:02 +02:00
Chris Hegarty
ca4787d77b 8139891: Prepare Unsafe for true encapsulation
Reviewed-by: alanb, dholmes, jrose, psandoz, twisti
2015-10-27 14:18:56 +00:00
Roland Westrelin
0baf2f7e8a 8130847: Cloned object's fields observed as null after C2 escape analysis
Eliminated instance/array written to by an array copy variant must be correctly initialized when reallocated at a deopt

Reviewed-by: kvn, vlivanov
2015-08-15 02:54:18 +02:00
Roland Westrelin
a3c77df5f1 8077504: Unsafe load can loose control dependency and cause crash
Node::depends_only_on_test() should return false for Unsafe loads

Reviewed-by: kvn, adinn
2015-05-21 13:54:07 +02:00
Roland Westrelin
a9cdbd0407 8076188: Optimize arraycopy out for non escaping destination
If the destination of an arraycopy is non escaping, the arraycopy may be optimized out

Reviewed-by: kvn, vlivanov
2015-05-12 10:27:50 +02:00
Roland Westrelin
05ea4dbf1e 8069191: moving predicate out of loops may cause array accesses to bypass null check
Remove CastPP nodes only during final graph reshape

Reviewed-by: kvn, jrose
2015-03-24 10:25:09 +01:00
Vladimir Kozlov
239370b736 Merge 2015-02-26 10:56:54 -08:00
Paul Sandoz
c002e71565 8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
Reviewed-by: kvn, vlivanov
2015-02-10 21:32:05 +01:00
Vladimir Kozlov
48b6c6007f Merge 2014-12-11 15:06:12 -08:00
Andrew Haley
0b30e012ee 8064611: AARCH64: Changes to HotSpot shared code
Everything except cpu/ and os_cpu/

Reviewed-by: dholmes, goetz, dlong, coleenp, kvn
2014-12-11 13:11:53 -08:00
Vladimir Ivanov
f3d9096e4d 8062258: compiler/debug/TraceIterativeGVN.java segfaults in trace_PhaseIterGVN
Reviewed-by: kvn
2014-11-17 14:02:45 -08:00
Zoltan Majo
49b224a4f7 8057622: java/util/stream/test/org/openjdk/tests/java/util/stream/InfiniteStreamWithLimitOpTest: SEGV inside compiled code (sparc)
In Parse::array_store_check(), add control edge FROM IfTrue branch of runtime type check of the destination array TO loading _element_klass from destination array.

Reviewed-by: kvn, roland, anoll
2014-11-06 09:40:58 +01:00
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
Tobias Hartmann
85296fec28 8036851: volatile double accesses are not explicitly atomic in C2
The C2 structure is adapted to distinguish between volatile and non-volatile double accesses.

Reviewed-by: twisti, kvn
2014-05-06 09:17:57 +02:00
Morris Meyer
6db303a301 8001532: C2 node files refactoring
Split C2 node files into cast, convert, countbits, intrinsic, move, narrowptr and opaquenode classes

Reviewed-by: kvn, morris
2014-04-01 09:05:20 -07:00
Vladimir Kozlov
c3a0e80e0b Merge 2014-01-28 12:25:34 -08:00
Mikael Vidstedt
a0da47fd66 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
2013-12-24 11:48:39 -08:00
Goetz Lindenmaier
fe89766184 8028515: PPPC64 (part 113.2): opto: Introduce LoadFence/StoreFence
Use new nodes for loadFence/storeFence intrinsics in C2.

Reviewed-by: kvn, dholmes
2013-11-26 18:38:19 -08:00
Vladimir Kozlov
aabed3781b Merge 2013-11-21 12:30:35 -08:00
Goetz Lindenmaier
13b13f5259 8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering
Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it.

Reviewed-by: kvn
2013-11-15 11:05:32 -08:00
Igor Veresov
c342a79faf 8017065: C2 allows safepoint checks to leak into G1 pre-barriers
Make all raw loads strictly respect control dependencies, make sure RCE doesn't move raw loads, add verification of G1 pre-barriers.

Reviewed-by: kvn, roland
2013-11-05 01:57:18 -08:00
Vladimir Kozlov
b4977e887a 6934604: enable parts of EliminateAutoBox by default
Resurrected autobox elimination code and enabled part of it by default.

Reviewed-by: roland, twisti
2013-05-08 15:08:01 -07:00
Roland Westrelin
fe92862089 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution
InitializeNode::can_capture_store() must check that the captured store doesn't overwrite a memory location that is loaded before the store.

Reviewed-by: kvn
2013-02-25 14:13:04 +01:00
Vladimir Kozlov
9e0c61f822 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.

Reviewed-by: roland
2013-01-22 15:34:16 -08:00
Vladimir Kozlov
5f132a5ec3 Merge 2012-10-12 09:22:52 -07:00
Vladimir Ivanov
6674423523 7199654: Remove LoadUI2LNode
Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead.

Reviewed-by: kvn
2012-10-09 12:40:05 -07:00
Mikael Vidstedt
769dd50182 7197424: update copyright year to match last edit in jdk8 hotspot repository
Update copyright year to 2012 for relevant files

Reviewed-by: dholmes, coleenp
2012-10-09 10:09:34 -07:00
Roland Westrelin
61eb5a0549 7054512: Compress class pointers after perm gen removal
Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
2012-10-09 10:11:38 +02:00
Roland Westrelin
302540691b 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
Use shorter instruction sequences for atomic add and atomic exchange when possible.

Reviewed-by: kvn, jrose
2012-09-20 16:49:17 +02:00
Krystal Mok
529b370174 7174218: remove AtomicLongCSImpl intrinsics
Reviewed-by: kvn, twisti
2012-06-12 14:31:44 -07:00
Vladimir Kozlov
5b3f2efc2e 7131302: connode.cpp:205 Error: ShouldNotReachHere()
Add Value() methods to short and byte Load nodes to truncate constants which does not fit.

Reviewed-by: jrose
2012-01-20 09:43:06 -08:00
Roland Westrelin
97439fb4ff 7121140: Allocation paths require explicit memory synchronization operations for RMO systems
Adds store store barrier after initialization of header and body of objects.

Reviewed-by: never, kvn
2011-12-20 16:56:50 +01:00
Vladimir Kozlov
8d2ee23293 6890673: Eliminate allocations immediately after EA
Try to eliminate allocations and related locks immediately after escape analysis.

Reviewed-by: never
2011-11-16 09:13:57 -08:00
Vladimir Kozlov
47e357e16f 7081933: Use zeroing elimination optimization for large array
Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it.

Reviewed-by: twisti
2011-09-26 10:24:05 -07:00
Vladimir Kozlov
90651b2666 7079329: Adjust allocation prefetching for T4
On T4 2 BIS instructions should be issued to prefetch 64 bytes

Reviewed-by: iveresov, phh, twisti
2011-08-16 16:59:46 -07:00
Roland Westrelin
b543a07b9a 7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
Replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes

Reviewed-by: kvn, twisti
2011-08-02 18:36:40 +02:00
Erik Trimble
c9e484d473 7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: ohair
2011-04-05 14:12:31 -07:00
Vladimir Kozlov
3ecb9f51df 7029152: Ideal nodes for String intrinsics miss memory edge optimization
In Ideal() method of String intrinsics nodes look for TypeAryPtr::CHARS memory slice if memory is MergeMem. Do not unroll a loop with String intrinsics code.

Reviewed-by: never
2011-03-30 12:08:49 -07:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
Vladimir Kozlov
21f481e5dd 6959430: Make sure raw loads have control edge
Check that raw loads have control edge

Reviewed-by: never, twisti
2010-06-15 18:07:27 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
Vladimir Kozlov
f6934fd3b7 6940726: Use BIS instruction for allocation prefetch on Sparc
Use BIS instruction for allocation prefetch on Sparc

Reviewed-by: twisti
2010-04-07 12:39:27 -07:00