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49 Commits

Author SHA1 Message Date
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
Vladimir Kozlov
8badeecc2c 8039050: Crash in C2 compiler at Node::rematerialize 
Added missing calls to record_for_igvn() in loop opts. Added verification of def-use domination.

Reviewed-by: iveresov
 2014-04-15 14:34:48 -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
Roland Westrelin
3f8ae3e9b9 8024069: replace_in_map() should operate on parent maps 
Type information gets lost because replace_in_map() doesn't update parent maps

Reviewed-by: kvn, twisti
 2013-10-19 12:16:43 +02:00
Staffan Larsen
718f3252f6 8005849: JEP 167: Event-Based JVM Tracing 
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
 2013-06-10 11:30:51 +02:00
Vladimir Kozlov
848ccdbdfe 8004640: C2 assert failure in memnode.cpp: NULL+offs not RAW address 
Always transform AddP nodes in IdealKit by calling _gvn.transform().

Reviewed-by: roland, twisti
 2013-03-26 12:55:26 -07:00
Roland Westrelin
c401bf065d 7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob 
Add support for expensive nodes.

Reviewed-by: kvn
 2013-02-12 12:56:11 +01:00
Vladimir Ivanov
b1d745897b 8000313: C2 should use jlong for 64bit values 
Replace all occurrences of long with jlong in C2 code.

Reviewed-by: kvn, twisti
 2012-10-08 13:02:13 -07:00
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
Vladimir Kozlov
da65cc4532 7160161: Missed safepoint in non-Counted loop 
Do not remove safepoints during peeling optimization.

Reviewed-by: twisti
 2012-08-29 13:02:40 -07:00
Vladimir Kozlov
e3c3c8527e 6340864: Implement vectorization optimizations in hotspot-server 
Added asm encoding and mach nodes for vector arithmetic instructions on x86.

Reviewed-by: roland
 2012-08-20 09:07:21 -07:00
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
Vlaidmir Ivanov
dd85e2f356 7173340: C2: code cleanup: use PhaseIterGVN::replace_edge(Node*, int, Node*) where applicable 
Replace frequent C2 optimizer code patterns with new methods calls

Reviewed-by: kvn, twisti
 2012-06-12 16:23:31 -07:00
Deepak Bhole
ce79f12b7b 7140882: Don't return booleans from methods returning pointers 
Changed "return false" to "return NULL"

Reviewed-by: dholmes, rottenha
 2012-01-30 12:36:49 +01:00
Vladimir Kozlov
f3f36ae094 7064302: JDK7 build 147 crashed after testing my java 6-compiled web app 
Don't split CMove node if it's control edge is different from split region.

Reviewed-by: never
 2012-01-12 12:28:59 -08:00
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
157ba53d27 7110586: C2 generates incorrect results 
Exact limit of empty loop calculated incorrectly.

Reviewed-by: iveresov, never
 2011-11-10 20:17:05 -08:00
Vladimir Kozlov
09b7902e14 7107042: assert(no_dead_loop) failed: dead loop detected 
Use dead nodes elimination code in PhaseIdealLoop before executing EA.

Reviewed-by: never, twisti
 2011-11-09 07:25:51 -08:00
Vladimir Kozlov
92b2b44b18 7035946: Up to 15% regression on JDK 7 b136 vs b135 on specjvm2008.crypto.rsa on x64 
Revert changes which caused regression.

Reviewed-by: never
 2011-09-09 13:47:11 -07:00
Vladimir Kozlov
52f678435a 7077439: Possible reference through NULL in loopPredicate.cpp:726 
Use cl->is_valid_counted_loop() check.

Reviewed-by: never
 2011-08-10 14:06:57 -07:00
Vladimir Kozlov
df8d608ac7 7068051: SIGSEGV in PhaseIdealLoop::build_loop_late_post 
Removed predicate cloning from loop peeling optimization and from split fall-in paths.

Reviewed-by: never
 2011-07-29 09:16:29 -07:00
Vladimir Kozlov
d19a8f6e35 7052494: Eclipse test fails on JDK 7 b142 
Keep 'ne' test in Counted loop when we can't guarantee during compilation that init < limit.

Reviewed-by: never
 2011-06-20 16:45:35 -07:00
Vladimir Kozlov
1ac79543d0 5091921: Sign flip issues in loop optimizer 
Fix integer overflow problem in the code generated by loop optimizer.

Reviewed-by: never
 2011-05-04 13:12:42 -07:00
Vladimir Kozlov
2096fd712c 7004555: Add new policy for one iteration loops 
Add new policy for one iteration loops (mostly formal pre- loops).

Reviewed-by: never
 2011-04-08 14:56:22 -07:00
Vladimir Kozlov
00eca5e982 7004535: Clone loop predicate during loop unswitch 
Clone loop predicate for clonned loops

Reviewed-by: never
 2011-04-02 10:54:15 -07:00
Tom Rodriguez
5387ee459e 7024475: loop doesn't terminate when compiled 
Reviewed-by: kvn
 2011-03-27 00:00:14 -07:00
Vladimir Kozlov
3de260da41 7008866: Missing loop predicate for loop with multiple entries 
Add predicates when loop head bytecode is parsed instead of when back branch bytecode is parsed.

Reviewed-by: never
 2011-03-21 11:28:14 -07:00
Vladimir Kozlov
c00a50c8e9 7017240: C2: native memory leak in nsk/regression/b4675027 on windows-x86 in comp mode with G1 
Add ResourceMark into PhaseIdealLoop::build_and_optimize().

Reviewed-by: never
 2011-02-07 09:46:01 -08:00
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
Tom Rodriguez
08d9e03b81 4809552: Optimize Arrays.fill(...) 
Reviewed-by: kvn
 2010-08-27 17:33:49 -07:00
Vladimir Kozlov
448b83e288 6677629: PhaseIterGVN::subsume_node() should call hash_delete() and add_users_to_worklist() 
Use replace_node() method instead of subsume_node().

Reviewed-by: jrose, never
 2010-06-28 14:54:39 -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
Changpeng Fang
815db4fcba 6894779: Loop Predication for Loop Optimizer in C2 
Loop predication implementation

Reviewed-by: never, kvn
 2010-01-12 14:37:35 -08:00
Changpeng Fang
8a9580b1a1 6901572: JVM 1.6.16 crash on loops: assert(has_node(i),"") 
Skip the secondary induction variable handling if it is dead

Reviewed-by: never, kvn
 2009-12-02 13:29:00 -08:00
Tom Rodriguez
c94a076d34 6862956: PhaseIdealLoop should have a CFG verification mode 
Reviewed-by: kvn, twisti
 2009-08-14 00:02:12 -07:00
Changpeng Fang
c0d62ad9e6 6761600: Use sse 4.2 in intrinsics 
Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
 2009-03-31 14:07:08 -07:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos 
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
 2009-02-27 13:27:09 -08:00
Christian Thalinger
3b8452da93 6796746: rename LoadC (char) opcode class to LoadUS (unsigned short) 
Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.

Reviewed-by: phh, kvn
 2009-01-26 16:22:12 +01:00
Tom Rodriguez
4b1e242299 6384206: Phis which are later unneeded are impairing our ability to inline based on static types 
Reviewed-by: rasbold, jrose
 2008-09-17 12:59:52 -07:00
Vladimir Kozlov
897278fce0 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") 
Fixed few addP node type and narrow oop type problems.

Reviewed-by: rasbold, never
 2008-08-01 10:06:45 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Chuck Rasbold
2e672ac9bf 6695049: (coll) Create an x86 intrinsic for Arrays.equals 
Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
 2008-05-29 16:22:09 -07:00
Vladimir Kozlov
277c3322f6 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation 
Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.

Reviewed-by: rasbold
 2008-03-06 10:53:33 -08:00
Tom Rodriguez
10c473e425 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) 
Reviewed-by: kvn, rasbold
 2007-12-05 09:01:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00