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19 Commits

Author SHA1 Message Date
Aleksey Shipilev
e590618962 8252505: C1/C2 compiler support for blackholes 
Reviewed-by: vlivanov, aph
 2020-12-06 17:43:34 +00:00
Per Liden
e3abe51a31 8257418: C2: Rename barrier data member in MemNode and LoadStoreNode 
Reviewed-by: vlivanov
 2020-11-30 14:15:43 +00:00
Jatin Bhateja
0d91f0a1df 8252848: Optimize small primitive arrayCopy operations through partial inlining using AVX-512 masked instructions 
Reviewed-by: neliasso, kvn
 2020-11-25 06:08:19 +00:00
Vladimir Ivanov
83a91bfaed 8253734: C2: Optimize Move nodes 
Reviewed-by: thartmann, neliasso, kvn
 2020-10-26 17:24:08 +00:00
Christian Hagedorn
552a73301c 8248791: sun/util/resources/cldr/TimeZoneNamesTest.java fails with -XX:-ReduceInitialCardMarks -XX:-ReduceBulkZeroing 
Fix wrong replacement of loads by zero for non-completed InitializationNodes belonging to a clone when ReduceBulkZeroing is disabled.

Reviewed-by: kvn, thartmann
 2020-08-14 10:30:51 +02:00
Christian Hagedorn
863f741611 8236140: assert(!VerifyHashTableKeys || _hash_lock == 0) failed: remove node from hash table before modifying it 
Add missing rehashing for modified node in InitializeNode::complete_stores().

Reviewed-by: neliasso, thartmann
 2020-01-09 16:14:14 +01:00
Erik Österlund
8a8b35154b 8233506: ZGC: the load for Reference.get() can be converted to a load for strong refs 
Reviewed-by: thartmann, neliasso, pliden
 2019-11-12 09:25:39 +00:00
Christian Hagedorn
465f4c1200 8231412: C2: InitializeNode::detect_init_independence() bails out on simple IR shapes 
Avoids early bailout of capturing a field store to remove unnecessary zeroing in simple methods containing only non-escaping objects.

Reviewed-by: roland, thartmann
 2019-10-23 12:21:32 +02:00
Erik Österlund
42885307f6 8230565: ZGC: Redesign C2 load barrier to expand on the MachNode level 
Co-authored-by: Per Liden <per.liden@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Reviewed-by: pliden, stefank, neliasso
 2019-10-09 12:30:06 +00:00
Roland Westrelin
2f2ec624a2 8227384: C2 compilation fails with "graph should be schedulable" when running with -XX:-EliminateLocks 
Reviewed-by: thartmann, kvn
 2019-07-16 08:56:08 +02:00
Andrew Dinn
047b8bfeb7 8224974: Implement JEP 352 
Non-Volatile Mapped Byte Buffers

Reviewed-by: alanb, kvn, bpb, gromero, darcy, shade, bulasevich, dchuyko
 2019-08-20 10:11:53 +01:00
Erik Österlund
a42636d34b 8227407: ZGC: C2 loads and load barriers can get separated by safepoints 
Reviewed-by: neliasso, smonteith, roland
 2019-07-29 13:57:54 +02:00
Nils Eliasson
75e9d0a290 8224675: Late GC barrier insertion for ZGC 
Reviewed-by: roland, eosterlund, pliden
 2019-02-14 14:54:05 +01:00
Derek Thomson
7a4b473edd 8157372: C2: Node::cmp() should return bool 
The method Node::cmp() should return a boolean

Reviewed-by: vlivanov, kvn
 2019-03-28 11:06:00 -07:00
Vladimir Ivanov
521039cc35 8218879: Keep track of memory accesses originated from Unsafe 
Reviewed-by: thartmann
 2019-02-14 15:27:12 -08:00
Coleen Phillimore
154a1a02bf 8216167: Update include guards to reflect correct directories 
Use script and some manual fixup to fix directores names in include guards.

Reviewed-by: lfoltan, eosterlund, kbarrett
 2019-01-10 15:13:51 -05:00
Roland Westrelin
f3e518394b 8209420: Track membars for volatile accesses so they can be properly optimized 
Reviewed-by: adinn, aph, thartmann
 2018-08-14 16:54:47 +02:00
Thomas Schatzl
e98c176026 8208670: Compiler changes to allow enabling -Wreorder 
Reviewed-by: kvn
 2018-08-08 15:31:06 +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