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27 Commits

Author SHA1 Message Date
Nils Eliasson
75e9d0a290 8224675: Late GC barrier insertion for ZGC 
Reviewed-by: roland, eosterlund, pliden
 2019-02-14 14:54:05 +01:00
Patric Hedlin
d222b01dee 8223363: Bad node estimate assertion failure 
8223502: Node estimate for loop unswitching is not correct: assert(delta <= 2 * required) failed: Bad node estimate
8224648: assert(!exceeding_node_budget()) failed: Too many NODES required! failure with ctw

Tighten the node estimates. New est_loop_clone_sz() implementation that will compute a "fan-out" complexity estimate as part of the size estimate (to better estimate complex loop body size after cloning). New est_loop_unroll_sz() function, used to estimate the size of a loop body att full/maximal unrolling. Correction to node budget final tests and asserts.

Reviewed-by: neliasso, kvn
 2019-05-28 14:56:58 +02:00
Patric Hedlin
e08506e683 8216137: assert failed: Live node limit exceeded 
8219520: assert failed: Live node limit exceeded

Adding simplistic node budget support for loop-transformations. This /should/attempts to/ resolve most cases of: "assert(Compile::current()->live_nodes() < Compile::current()->max_node_limit()) failed: Live Node limit exceeded limit".

Reviewed-by: vlivanov, neliasso
 2019-04-17 14:57:53 +02:00
Roman Kennke
03ab1404f0 8221766: Load-reference barriers for Shenandoah 
Reviewed-by: kvn, erikj, aph, shade
 2019-04-02 23:00:22 +02:00
Vivek Deshpande
996968d480 8216050: Superword optimization fails with assert(0 <= i && i < _len) failed: illegal index 
Fix for the crash by matching the operands by swapping to right positions.

Reviewed-by: thartmann, kvn
 2019-01-15 11:19:14 -08:00
Patric Hedlin
a17df8d45b 8210392: assert(Compile::current()->live_nodes() < Compile::current()->max_node_limit()) failed: Live Node limit exceeded limit 
Avoid excessive split-if.

Reviewed-by: thartmann, neliasso
 2018-12-18 10:12:28 +01:00
Vivek Deshpande
05e175bf1b 8214751: X86: Support for VNNI Instructions 
Co-authored-by: Razvan A Lupusoru <razvan.a.lupusoru@intel.com>
Reviewed-by: kvn
 2018-12-12 14:48:34 -08:00
Roman Kennke
8b62a2ee9d 8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) 
Co-authored-by: Christine Flood <chf@redhat.com>
Co-authored-by: Aleksey Shipilev <shade@redhat.com>
Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Co-authored-by: Zhenygu Gu <zgu@redhat.com>
Co-authored-by: Andrew Haley <aph@redhat.com>
Co-authored-by: Andrew Dinn <adinn@redhat.com>
Co-authored-by: Mario Torre <mtorre@redhat.com>
Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj
 2018-12-10 15:47:44 +01:00
Roland Westrelin
cd0aafe76a 8214362: C2: gc interface entry point for split if 
Reviewed-by: rkennke, thartmann
 2018-11-27 14:49:13 +01:00
Roman Kennke
9ba72c0c2c 8213381: Hook to allow GC to inject Node::Ideal() calls 
Reviewed-by: kvn, eosterlund, roland
 2018-11-06 23:03:05 +01:00
Roland Westrelin
04c961659f 8210390: C2 still crashes with "assert(mode == ControlAroundStripMined && use == sfpt) failed: missed a node" 
Reviewed-by: thartmann, kvn
 2018-09-12 16:38:13 +02:00
Roland Westrelin
7d7184e505 8205515: assert(opcode == Op_RangeCheck) failed: no other if variant here 
Reviewed-by: thartmann, kvn
 2018-07-02 10:44:46 +02:00
Per Lidén
e7af7a4aef 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) 
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Kim Barrett <kim.barrett@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Co-authored-by: Coleen Phillimore <coleen.phillimore@oracle.com>
Co-authored-by: Robbin Ehn <robbin.ehn@oracle.com>
Co-authored-by: Gerard Ziemski <gerard.ziemski@oracle.com>
Co-authored-by: Hugh Wilkinson <hugh.wilkinson@intel.com>
Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com>
Co-authored-by: Bill Wheeler <bill.npo.wheeler@intel.com>
Co-authored-by: Vinay K. Awasthi <vinay.k.awasthi@intel.com>
Co-authored-by: Yasumasa Suenaga <yasuenag@gmail.com>
Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
 2018-06-12 17:40:28 +02:00
Roland Westrelin
ff2c589b63 8202747: C2: assert(mode == ControlAroundStripMined && use == sfpt) failed: missed a node 
Reviewed-by: neliasso, kvn
 2018-06-11 14:16:43 +02:00
Roland Westrelin
76bb390810 8202950: C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint 
Reviewed-by: neliasso, kvn
 2018-05-24 09:59:57 +02:00
Erik Österlund
53ec88908c 8202377: Modularize C2 GC barriers 
Reviewed-by: neliasso, roland
 2018-05-18 14:51:06 +02:00
Roland Westrelin
fd4f430f62 8199784: PhaseIdealLoop::place_near_use() might return wrong control with loop strip mining 
Reviewed-by: kvn
 2018-03-21 20:15:00 -07:00
Roland Westrelin
4f8c5b6949 8197563: assert(is_Loop()) crash in PhaseIdealLoop::try_move_store_before_loop() 
Don't move store out of the loop if head is not a LoopNode.

Reviewed-by: kvn, thartmann
 2018-02-13 16:57:01 +01:00
Roland Westrelin
d244b3ccd1 8196296: Lucene test crashes C2 compilation 
Prevent merging of back to back ifs if one is a counted loop end.

Reviewed-by: kvn, thartmann
 2018-01-30 09:08:44 +01:00
Dean Long
4f496a5786 8194992: Null pointer dereference in MultiNode::proj_out related to loopexit() 
Reviewed-by: kvn, thartmann
 2018-01-18 10:05:32 -08:00
Dean Long
4714dab4cb 8194988: 8 Null pointer dereference defect groups related to MultiNode::proj_out() 
Reviewed-by: kvn
 2018-01-17 14:25:47 -08:00
Razvan A Lupusoru
b96c85c640 8192846: Support cmov vectorization for float 
Reviewed-by: kvn
 2017-12-05 09:49:23 -08:00
Roland Westrelin
386e258e20 8186027: C2: loop strip mining 
Reviewed-by: kvn, neliasso
 2017-11-28 11:59:16 +01:00
Roland Westrelin
eb10d407d3 8191887: assert(b->is_Bool()) in PhaseIdealLoop::clone_iff() due to Opaque4 node 
Add special handling for graph shape If->Opaque4->Bool->CmpP

Reviewed-by: kvn
 2017-11-27 16:05:11 -08:00
Tobias Hartmann
34622112b6 8189067: SuperWord optimization crashes with "assert(out == prev || prev == __null) failed: no branches off of store slice" 
Only move the store if the LCA of all users is outside of the loop. Re-enable UseSubwordForMaxVector.

Reviewed-by: kvn, roland
 2017-10-13 14:02:01 +02:00
Roland Westrelin
844e594fec 8187822: C2 conditonal move optimization might create broken graph 
Reviewed-by: kvn
 2017-09-27 16:17:47 +02:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00