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1168 Commits

Author SHA1 Message Date
Roland Westrelin
74f8cc939b 8139750: [BACKOUT] Elide more final field's write memory barrier with escape analysis result 
Reviewed-by: kvn
 2015-10-16 15:48:18 +02:00
Hui Shi
d8a864cd68 8138956: Elide more final field's write memory barrier with escape analysis result 
Membar for final/stable fields eliminated if possible

Reviewed-by: roland, mdoerr, enevill, aph
 2015-10-15 09:40:45 +02:00
Ed Nevill
ffd60d555b 8139259: aarch64: jtreg test TestLogSum segvs after 8132207 
Fix jump to 0 caused by uninitialised _dexp in 8132207

Reviewed-by: roland, kvn
 2015-10-13 09:40:39 +02:00
Jan Civlin
115afda88e 8136725: Provide utility for creation a counted loop reserve copy (clone) 
Make it easier to revert to the original loop should that be needed

Reviewed-by: kvn
 2015-10-09 12:17:58 -07:00
Zoltan Majo
fc2a5e9d53 8078554: Compiler: implement ranges (optionally constraints) for those flags that have them missing 
Add range check or constraint where necessary.

Reviewed-by: roland, thartmann
 2015-10-09 14:21:26 +02:00
Christian Thalinger
16526e000e 8136421: JEP 243: Java-Level JVM Compiler Interface 
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
 2015-10-08 12:49:30 -10:00
Zoltan Majo
fab17a4e67 8137160: Use Compile::live_nodes instead of Compile::unique() in appropriate places -- followup 
Change two code locations to use live_nodes() instead of unique() for allocating memory. Adjust comments.

Reviewed-by: kvn
 2015-10-08 12:10:19 +02:00
Vivek R Deshpande
5a633b1cbd 8132207: update for x86 exp in the math lib 
Add new java.lang.Math() intrinsics from x86

Reviewed-by: kvn, iveresov
 2015-10-05 20:02:40 -07:00
Felix Yang
12cba200a3 8138583: aarch64: add support for vectorizing fabs/fneg 
Reviewed-by: aph, roland
 2015-09-30 04:35:39 -04:00
Roland Westrelin
f8abd0e843 8136820: Generate better code for some Unsafe addressing patterns 
Reshape address computation to move invariant part out of loops

Reviewed-by: kvn
 2015-09-17 16:53:42 +02:00
Roland Westrelin
92af9b015c 8136926: phi == NULL assert in PhaseIdealLoop::try_move_store_after_loop 
Multiple phis on same slice are possible in a loop

Reviewed-by: kvn, mcberg
 2015-09-22 15:25:34 +02:00
Hui Shi
0f4b248b18 8136596: Remove aarch64: MemBarRelease when final field's allocation is NoEscape or ArgEscape 
Elide MemBar when AllocateNode _is_non_escaping

Reviewed-by: kvn, roland
 2015-09-21 10:51:33 +02:00
Nils Eliasson
5ca8983920 8135068: Extract method matchers from CompilerOracle 
Ecapsulate code to enable reuse

Reviewed-by: roland, kvn
 2015-09-18 10:11:11 +02:00
Tobias Hartmann
f298249547 8134739: compiler/loopopts/superword/TestVectorizationWithInvariant crashes in loop opts 
Bail out of superword optimization if loop was removed (i.e., if zero-trip Opaque1Node was removed).

Reviewed-by: kvn, roland
 2015-09-17 08:08:47 +02:00
Michael Berg
d49d1ea740 8134802: LCM register pressure scheduling 
Calculate register pressure in a block to help instructions scheduling.

Reviewed-by: kvn, dlong
 2015-09-16 13:16:17 -07:00
Vladimir Kozlov
a402bebf6e Merge 2015-09-16 20:33:16 +02:00
Vladimir Kozlov
44a4201adc 8136406: Remove ZapDeadCompiledLocals code 
Dead code elimination.

Reviewed-by: roland, twisti
 2015-09-15 11:04:11 -07:00
Roland Westrelin
c55d212196 8136461: PhaseIdealLoop::try_move_store_before_loop() may bypass early loop exit 
PhaseIdealLoop::try_move_store_before_loop() needs to check for early loop exit before candidate Stores

Reviewed-by: kvn
 2015-09-15 13:08:43 +02:00
Roland Westrelin
404fc5caa8 8134974: 8130847 broken with loop predicates 
Pinned eliminated arraycopy loads in uncommon trap path for loop predicates may need to be moved

Reviewed-by: kvn
 2015-09-08 19:19:08 +02:00
Roland Westrelin
8dd169a71f 8135069: C2 replaces range checks by unsigned comparison with -1 
I < 0 || i > -1 wrongly folded as i >u -1

Reviewed-by: kvn
 2015-09-11 16:56:56 +02:00
Tobias Hartmann
6479241f4a 8135252: IdealLoopTree::dump_head() prints negative trip count 
IdealLoopTree::dump_head() should not cast float to int.

Reviewed-by: kvn
 2015-09-14 10:00:26 +02:00
Igor Veresov
e88940fae6 Merge 2015-09-10 17:56:43 -07:00
Michael Berg
e75f5a5cde 8135028: support for vectorizing double precision sqrt 
Reviewed-by: kvn, twisti
 2015-09-09 10:34:17 -07:00
Jesper Wilhelmsson
1736e104a1 Merge 2015-09-08 16:10:37 +02:00
Nils Eliasson
559bf7ef6e 8135067: Preparatory refactorings for compiler control 
Extract CompileTask and clean up

Reviewed-by: roland
 2015-09-04 12:47:57 +02:00
Ahmed Khawaja
d7b8032741 8132081: C2 support for Adler32 on SPARC 
Add C2 instrinsic support for Adler32 checksum on SPARC.

Reviewed-by: kvn
 2015-09-03 15:03:12 -07:00
Dmitry Samersoff
6ed285af0a Merge 2015-08-31 21:46:33 +03:00
Roland Westrelin
ed9e8b9ff2 8134031: Incorrect JIT compilation of complex code with inlining and escape analysis 
Bad rewiring of memory edges when we split unique types during EA

Reviewed-by: kvn
 2015-08-31 17:20:08 +02:00
Roland Westrelin
7ef7c96fde 8134468: Lucene test failures with 32 bit JDK 9b78, Server compiler 
Test that checks whether an array load falls into the range of an arraycopy is incorrect on 32bits

Reviewed-by: iveresov, kvn
 2015-09-02 10:00:27 +02:00
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
Aleksey Shipilev
e3007b79ad 8076758: new StringBuilder().append(String).toString() should be recognized by OptimizeStringConcat 
Reviewed-by: kvn, thartmann
 2015-09-01 12:57:41 +03:00
Roland Westrelin
9dcbe322e0 8134288: compiler/runtime/6859338/Test6859338.java crashes in PhaseIdealLoop::try_move_store_after_loop 
Store nodes may not have a control if used to update profiling

Reviewed-by: kvn
 2015-08-26 12:43:15 +02:00
Roland Westrelin
8942ef410f 8134321: tools/pack200/Pack200Test.java crashes in the VM PIT jdk9 b79 
Code that capture field values of eliminated allocation at a safepoint when there's an arraycopy behind a Phi is broken

Reviewed-by: kvn
 2015-08-26 09:49:37 +02:00
Kim Barrett
7706e36194 8072817: CardTableExtension kind() should be BarrierSet::CardTableExtension 
Use BarrierSet::CardTableForRS where needed, and update concrete bs tags.

Reviewed-by: jwilhelm, jmasa
 2015-08-18 17:48:35 -04:00
Roland Westrelin
b7b1b2778c 8131969: jit/FloatingPoint/gen_math/Loops05 assert(2 <= size && size <= 16) failed: update low bits table 
Assert in register allocation code when vector Phi for a loop is processed because code assumes all inputs already processed

Reviewed-by: kvn
 2015-08-18 16:10:34 +02:00
Zoltan Majo
0d7ee212ea 8133625: src/share/vm/opto/compile.hpp:96: error: integer constant is too large for ‘long’ type 
Wrap constant causing the failure into into CONST64(). Update comments.

Reviewed-by: kvn
 2015-08-19 11:59:00 +02:00
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
df82d96834 8133599: Unsafe.getAndSetObject() is no longer intrinsified by c2 
Off by 1 error in c2 intrinsic filtering logic

Reviewed-by: dlong, kvn, shade
 2015-08-14 00:28:45 +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
Aleksey Shipilev
63a173e2c4 8019968: Reference CAS induces GC store barrier even on failure 
Reviewed-by: kvn, adinn, roland
 2015-08-12 09:58:39 +03:00
Vlad Ureche
645a55a98f 8011858: Use Compile::live_nodes() instead of Compile::unique() in appropriate places 
Reviewed-by: kvn, vlivanov
 2015-08-10 10:39:19 -07:00
Roland Westrelin
02ae6d2a31 Merge 2015-08-04 13:41:09 +02:00
Zoltan Majo
26cd440c55 8132457: Unify command-line flags controlling the usage of compiler intrinsics 
Cleanup processing of command-line flags controlling intrinsics.

Reviewed-by: kvn
 2015-08-03 09:39:29 +02:00
Jaroslav Bachorik
39aea4789c Merge 2015-07-31 12:13:57 +02:00
Zoltan Majo
422cd18f23 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics 
Add a new method, sun.hotspot.WhiteBox.isIntrinsicAvailable, that can be used to determine if an intrinsic is available.

Reviewed-by: kvn, jrose
 2015-07-28 19:20:42 +02:00
Sangheon Kim
a13fe250b0 8130459: Add additional validation after heap creation 
Some PLAB related flags' validation can happen after heap creation. Introduced additional stage of validation check.

Reviewed-by: coleenp, dholmes, kbarrett, gziemski, ecaspole, ddmitriev
 2015-07-27 13:56:26 -07:00
Roland Westrelin
51ddedd5c7 Merge 2015-07-23 19:11:28 +02:00
Vladimir Ivanov
259aeb3399 8131675: EA fails with assert(false) failed: not unsafe or G1 barrier raw StoreP 
Reviewed-by: roland
 2015-07-22 20:23:53 +03:00
Daniel D. Daugherty
d7f565d9eb 8075171: Contended Locking fast notify bucket 
JEP-143/JDK-8073165 Contended Locking fast notify bucket

Co-authored-by: Dave Dice <dave.dice@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Reviewed-by: dholmes, acorn, dice, dcubed
 2015-07-21 07:28:37 -07:00
Goetz Lindenmaier
ad601cca0c 8131676: Fix warning 'negative int converted to unsigned' after 8085932 
Also fix 64-bit constant added in 8076276.

Reviewed-by: kvn
 2015-07-16 14:18:13 +02:00