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120 Commits

Author SHA1 Message Date
Aleksey Shipilev
7c7692856a 8134758: Final String field values should be trusted as stable 
Reviewed-by: kvn, thartmann
 2015-09-01 19:48:10 +03:00
Roland Westrelin
96b004cd82 8080289: Intermediate writes in a loop not eliminated by optimizer 
Move Stores out of loop (after or before) when possible

Reviewed-by: kvn, vlivanov
 2015-07-29 17:25:04 +02:00
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
d7522fb084 8086046: escape analysis generates incorrect code as of B67 
Load bypasses arraycopy that sets the value after the ArrayCopyNode is expanded

Reviewed-by: kvn
 2015-06-12 14:10:17 +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
Stefan Karlsson
4913ad5d7d 8072911: Remove includes of oop.inline.hpp from .hpp files 
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes
 2015-02-13 14:37:35 +01:00
Zoltan Majo
eb5be4c2fe 8066312: Add new Node* Node::find_out(int opc) method 
Added methods find_user_with() and has_user_with() for searching for a particular out type.

Reviewed-by: kvn, jrose
 2015-01-19 09:32:40 +01:00
Vladimir Ivanov
5fd1e54fc1 8067338: compiler/debug/TraceIterativeGVN.java segfaults 
Reviewed-by: kvn
 2014-12-19 16:42:40 -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
Vladimir Ivanov
83181efbeb 8058847: C2: EliminateAutoBox regression after 8042786 
Reviewed-by: kvn, roland
 2014-10-24 09:13:12 -07:00
Vladimir Kozlov
98f413fa1f Merge 2014-09-04 22:59:17 -07:00
Coleen Phillimore
73d759e533 8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2) 
This removes component mirrors from arrayKlass metadata and the C2 intrinsic for them.

Reviewed-by: kvn, twisti, mgerdin
 2014-08-28 11:29:09 -04:00
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
Roland Westrelin
fa27000f3c 8055910: closed/java/util/Collections/CheckedCollections.java failed with ClassCastException not thrown 
Missing subtype check for Arrays.copyOf intrinsic

Reviewed-by: kvn, iveresov
 2014-08-29 16:32:29 +02:00
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
Tobias Hartmann
2a0815a55e 8034812: remove IDX_INIT macro hack in Node class 
The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly.

Reviewed-by: kvn, jrose, iveresov, goetz
 2014-06-02 08:07:29 +02:00
David Chase
305ec3bd3f 8037816: Fix for 8036122 breaks build with Xcode5/clang 
Repaired or selectively disabled offending formats; future-proofed with additional checking

Reviewed-by: kvn, jrose, stefank
 2014-05-09 16:50:54 -04:00
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
Vladimir Kozlov
c909ac41de 8039298: assert(base == NULL || t_adr->isa_rawptr() || !phase->type(base)->higher_equal(TypePtr::NULL_PTR)) 
Convert the assert into the runtime check to skip IGVN optimizations for problematic memory nodes. Eliminate dead nodes more aggressively.

Reviewed-by: twisti, iveresov
 2014-05-02 16:44:54 -07:00
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 Ivanov
bd8255eaa4 8036667: "assert(adr->is_AddP() && adr->in(AddPNode::Offset)->is_Con()) failed: offset is a constant" with FoldStableValues on 
Reviewed-by: kvn
 2014-03-06 09:53:14 -08:00
Vladimir Kozlov
7d92dc4d79 Merge 2014-01-28 12:28:17 -08:00
Vladimir Kozlov
c3a0e80e0b Merge 2014-01-28 12:25:34 -08:00
Roland Westrelin
c19a7e0fa3 8027422: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is no longer needed 
Type methods shouldn't always operate on speculative part

Reviewed-by: kvn, twisti
 2014-01-24 09:31:53 +01:00
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
Christian Thalinger
e71c8df213 8029366: ShouldNotReachHere error when creating an array with component type of void 
Reviewed-by: kvn
 2013-12-06 16:43:56 -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
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
Thomas Schatzl
b4e927d2a9 Merge 2013-09-16 09:41:03 +02:00
Vladimir Ivanov
f0e77ac67f 8001107: @Stable annotation for constant folding of lazily evaluated variables 
Co-authored-by: John Rose <john.r.rose@oracle.com>
Reviewed-by: rbackman, twisti, kvn
 2013-09-10 14:51:48 -07:00
Erik Helin
30f059b5fc 8015107: NPG: Use consistent naming for metaspace concepts 
Reviewed-by: coleenp, mgerdin, hseigel
 2013-08-12 17:37:02 +02:00
Niclas Adlertz
19d56715fa 8017243: 8001345 is incomplete 
Replaces unused decodeN at MemBarAcquire with its corresponding loadN if loadN is used at more than one place.

Reviewed-by: kvn, twisti
 2013-06-25 12:07:07 -07:00
Vladimir Kozlov
175419c053 Merge 2013-06-20 16:08:11 -07:00
Niclas Adlertz
556b4925b3 8001345: VM crashes with assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc 
Remove unnecessary LoadN / DecodeN nodes at MemBarAcquire nodes.

Reviewed-by: kvn, roland
 2013-06-19 00:41:56 +02:00
Calvin Cheung
53448fdbed 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux 
Co-authored-by: Jeremy Manson <jeremymanson@google.com>
Reviewed-by: dholmes, coleenp
 2013-06-13 22:02:40 -07:00
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
Vladimir Kozlov
010f640069 8009472: Print additional information for 8004640 failure 
Dump nodes and types in 8004640 case.

Reviewed-by: roland
 2013-03-06 12:25:57 -08:00
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
cfcd28fd9d 8005522: use fast-string instructions on x86 for zeroing 
Use 'rep stosb' instead of 'rep stosq' when fast-string operations are available.

Reviewed-by: twisti, roland
 2013-01-03 15:09:55 -08:00
Vladimir Kozlov
5f132a5ec3 Merge 2012-10-12 09:22:52 -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
Coleen Phillimore
28047d6a0f 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass 
Capitalize these metadata types (and objArrayKlass)

Reviewed-by: stefank, twisti, kvn
 2012-09-29 06:40:00 -04:00
Bharadwaj Yadavalli
d5d2e78faa 7193318: C2: remove number of inputs requirement from Node's new operator 
Deleted placement new operator of Node - node(size_t, Compile *, int).

Reviewed-by: kvn, twisti
 2012-09-27 09:38:42 -07:00
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
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
 2012-09-01 13:25:18 -04:00
Vladimir Kozlov
d1191bb4f4 7119644: Increase superword's vector size up to 256 bits 
Increase vector size up to 256-bits for YMM AVX registers on x86.

Reviewed-by: never, twisti, roland
 2012-06-15 01:25:19 -07:00