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67 Commits

Author SHA1 Message Date
Tobias Hartmann
0f67aad7af 8144487: PhaseIdealLoop::build_and_optimize() must restore major_progress flag if skip_loop_opts is true 
Restore the major_progress flag before calling igvn.optimize().

Reviewed-by: kvn
 2015-12-21 11:34:58 +01:00
Vladimir Ivanov
afeb87ddd8 8144935: C2: safepoint is pruned from a non-counted loop 
Reviewed-by: roland
 2015-12-10 14:51:53 +03:00
Andreas Eriksson
c64b2175e7 6869327: Add new C2 flag to keep safepoints in counted loops 
Reviewed-by: kvn, shade
 2015-12-04 14:06:38 +01:00
Roland Westrelin
baaa8f79ed 8042997: Make intrinsic some or all check index/range methods 
Objects.checkIndex() intrinsic

Reviewed-by: vlivanov, shade
 2015-11-16 09:55:25 +01:00
Christian Thalinger
6896030b96 8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds 
Reviewed-by: goetz, stefank
 2015-11-11 16:32:17 -10:00
Tobias Hartmann
7af927f9c1 8141132: JEP 254: Compact Strings 
Adopt a more space-efficient internal representation for strings.

Co-authored-by: Brent Christian <brent.christian@oracle.com>
Co-authored-by: Vivek Deshpande <vivek.r.deshpande@intel.com>
Co-authored-by: Charlie Hunt <charlie.hunt@oracle.com>
Co-authored-by: Vladimir Kozlov <vladimir.kozlov@oracle.com>
Co-authored-by: Roger Riggs <roger.riggs@oracle.com>
Co-authored-by: Xueming Shen <xueming.shen@oracle.com>
Co-authored-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com>
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
 2015-11-03 09:41:03 +01:00
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
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
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
Jan Civlin
2a4f18ccbd 8085932: Fixing bugs in detecting memory alignments in SuperWord 
Reviewed-by: kvn
 2015-07-14 09:55:22 -07:00
Vladimir Kozlov
b5284a93ce 8129920: Vectorized loop unrolling 
Optimize loop opts for vectorizible loops.

Reviewed-by: kvn, roland
 2015-07-10 11:59:09 -07:00
Michael Berg
7c7b91845f 8080325: SuperWord loop unrolling analysis 
Determine loop unroll factor based on supported vectors sizes.

Reviewed-by: roland, kvn
 2015-06-16 16:10:36 -07:00
Jan Civlin
c7d33de202 8076284: Improve vectorization of parallel streams 
Improve vectorization of java/util/stream/Streams$RangeIntSpliterator::forEachRemaining() method and enable loop vectorization in a given method on demand.

Reviewed-by: kvn
 2015-05-05 12:33:57 -07:00
Igor Veresov
783f2be52f 8072753: Nondeterministic wrong answer on arithmetic 
Check for overflow when inverting the loop during the counted loop conversion

Reviewed-by: kvn
 2015-02-17 11:00:18 -08:00
Vladimir Ivanov
5fd1e54fc1 8067338: compiler/debug/TraceIterativeGVN.java segfaults 
Reviewed-by: kvn
 2014-12-19 16:42:40 -08:00
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
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