134 Commits

Author SHA1 Message Date
Coleen Phillimore
6ee2bd2f33 8347147: [REDO] AccessFlags can be u2 in metadata
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Reviewed-by: vlivanov, yzheng
2025-01-08 19:48:25 +00:00
David Holmes
021c476409 8347148: [BACKOUT] AccessFlags can be u2 in metadata
Reviewed-by: coleenp
2025-01-08 00:37:27 +00:00
Coleen Phillimore
098afc8b7d 8339113: AccessFlags can be u2 in metadata
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Reviewed-by: sspitsyn, vlivanov, yzheng, dlong, dholmes
2025-01-07 22:03:38 +00:00
Roman Kennke
44ec501a41 8305895: Implement JEP 450: Compact Object Headers (Experimental)
Co-authored-by: Sandhya Viswanathan <sviswanathan@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Hamlin Li <mli@openjdk.org>
Co-authored-by: Thomas Stuefe <stuefe@openjdk.org>
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Axel Boldt-Christmas <aboldtch@openjdk.org>
Reviewed-by: coleenp, stefank, stuefe, phh, ihse, lmesnik, tschatzl, matsaave, rcastanedalo, vpaprotski, yzheng, egahlin
2024-11-08 17:21:39 +00:00
Emanuel Peter
f3671beefb 8335392: C2 MergeStores: enhanced pointer parsing
Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org>
Reviewed-by: kvn, chagedorn
2024-11-05 11:46:40 +00:00
Roberto Castañeda Lozano
16042556f3 8341619: C2: remove unused StoreCM node
Reviewed-by: chagedorn, thartmann, kvn
2024-10-10 08:34:10 +00:00
Roberto Castañeda Lozano
0b467e902d 8334060: Implementation of Late Barrier Expansion for G1
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Siyao Liu <siyao.l.liu@oracle.com>
Co-authored-by: Kim Barrett <kbarrett@openjdk.org>
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Feilong Jiang <fjiang@openjdk.org>
Co-authored-by: Sergey Nazarkin <snazarki@openjdk.org>
Reviewed-by: kvn, tschatzl, fyang, ayang, kbarrett
2024-10-03 08:36:33 +00:00
Coleen Phillimore
0cfd08f55a 8339112: Move JVM Klass flags out of AccessFlags
Reviewed-by: matsaave, cjplummer, dlong, thartmann, yzheng
2024-09-04 15:48:32 +00:00
Qizheng Xing
965dd1acd0 8333334: C2: Make result of Node::dominates more precise to enhance scalar replacement
Reviewed-by: chagedorn, kvn, thartmann
2024-08-23 09:30:47 +00:00
Neethu Prasad
1cb27f7e23 8334230: Optimize C2 classes layout
Reviewed-by: shade, kvn, thartmann
2024-07-30 14:08:17 +00:00
Kim Barrett
388fcf03c0 8336349: Fix more simple -Wzero-as-null-pointer-constant warnings in C2 code
Reviewed-by: kvn, shade
2024-07-15 16:00:00 +00:00
Emanuel Peter
9046d7aee3 8335390: C2 MergeStores: wrong result with Unsafe
Reviewed-by: thartmann, chagedorn, kvn
2024-07-02 08:20:26 +00:00
Richard Reingruber
f7862bd6b9 8331311: C2: Big Endian Port of 8318446: optimize stores into primitive arrays by combining values into larger store
Reviewed-by: epeter, kvn
2024-06-07 06:16:03 +00:00
Damon Fenacci
2ea365c945 8333099: Missing check for is_LoadVector in StoreNode::Identity
Reviewed-by: chagedorn, thartmann
2024-05-30 05:11:32 +00:00
Damon Fenacci
0c934ff4e2 8325520: Vector loads and stores with indices and masks incorrectly compiled
Reviewed-by: epeter, thartmann
2024-05-24 13:39:17 +00:00
Emanuel Peter
df1ff056f1 8331085: Crash in MergePrimitiveArrayStores::is_compatible_store()
Reviewed-by: thartmann, chagedorn
2024-05-07 07:08:32 +00:00
Emanuel Peter
3d11692bf3 8331252: C2: MergeStores: handle negative shift values
Reviewed-by: kvn, shade
2024-04-30 16:15:07 +00:00
Jasmine Karthikeyan
b9927aa3a4 8329194: Cleanup Type::cmp definition and usage
Reviewed-by: dfenacci, chagedorn, qamai
2024-04-25 13:13:25 +00:00
Emanuel Peter
ea3909acd1 8331054: C2 MergeStores: assert failed: unexpected basic type after JDK-8318446 and JDK-8329555
Reviewed-by: thartmann, kvn
2024-04-24 19:06:46 +00:00
Joshua Cao
1d06170758 8300148: Consider using a StoreStore barrier instead of Release barrier on ctor exit
Reviewed-by: shade, kvn, dlong
2024-04-24 17:06:45 +00:00
Emanuel Peter
3ccb64c021 8318446: C2: optimize stores into primitive arrays by combining values into larger store
Reviewed-by: kvn, thartmann
2024-04-24 06:44:14 +00:00
Andrew Haley
f11a496de6 8180450: secondary_super_cache does not scale well
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Reviewed-by: kvn, vlivanov, dlong
2024-04-16 14:21:48 +00:00
Cesar Soares Lucas
a887fd2144 8316991: Reduce nullable allocation merges
Reviewed-by: kvn, vlivanov
2024-04-08 23:13:38 +00:00
Roland Westrelin
5d414da504 8325372: Shenandoah: SIGSEGV crash in unnecessary_acquire due to LoadStore split through phi
Reviewed-by: shade, rkennke, thartmann
2024-02-23 10:09:06 +00:00
Roberto Castañeda Lozano
bf666bc0c7 8322692: ZGC: avoid over-unrolling due to hidden barrier size
Reviewed-by: eosterlund, kvn
2024-01-17 07:50:03 +00:00
Roland Westrelin
b922f8d459 8319793: C2 compilation fails with "Bad graph detected in build_loop_late" after JDK-8279888
Reviewed-by: chagedorn, epeter
2024-01-11 09:00:44 +00:00
Kim Barrett
122bc7770e 8322758: Eliminate -Wparentheses warnings in C2 code
Reviewed-by: aph, kvn
2024-01-02 22:32:58 +00:00
Vladimir Kozlov
cfabcbf858 8317121: vector_masked_load instruction is moved too early after JDK-8286941
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Co-authored-by: Tobias Hartmann <thartmann@openjdk.org>
Co-authored-by: Dean Long <dlong@openjdk.org>
Reviewed-by: thartmann, vlivanov, epeter
2023-10-03 18:18:26 +00:00
Cesar Soares Lucas
a53345ad03 8287061: Support for rematerializing scalar replaced objects participating in allocation merges
Reviewed-by: kvn, vlivanov
2023-07-17 23:01:35 +00:00
Xin Liu
d2e1159300 8311125: Remove unused parameter 'phase' in AllocateNode::Ideal_allocation
Reviewed-by: chagedorn, kvn
2023-07-01 07:25:26 +00:00
Roland Westrelin
be64d3ac3c 8310299: C2: 8275201 broke constant folding of array store check in some cases
Reviewed-by: thartmann, kvn
2023-06-29 07:41:04 +00:00
Quan Anh Mai
947f14977a 8308444: LoadStoreNode::result_not_used() is too conservative
Reviewed-by: kvn, thartmann
2023-06-15 16:00:18 +00:00
Emanuel Peter
1f1f604071 8302670: use-after-free related to PhaseIterGVN interaction with Unique_Node_List and Node_Stack
Co-authored-by: Justin King <jcking@openjdk.org>
Reviewed-by: thartmann, chagedorn, jcking
2023-05-30 07:14:50 +00:00
Roland Westrelin
199b1bf500 8308583: SIGSEGV in GraphKit::gen_checkcast
Reviewed-by: thartmann, kvn, never
2023-05-26 07:03:35 +00:00
Johan Sjölen
5726d31e56 8301074: Replace NULL with nullptr in share/opto/
Reviewed-by: kvn, jwilhelm
2023-03-09 20:28:26 +00:00
Emanuel Peter
ac7119f0d5 8280126: C2: detect and remove dead irreducible loops
Reviewed-by: kvn, chagedorn, thartmann
2023-02-08 07:45:09 +00:00
Erik Österlund
f857f8a092 8299327: Allow super late barrier expansion of store barriers in C2
Reviewed-by: kvn, rcastanedalo
2023-01-11 09:33:05 +00:00
Roland Westrelin
05a0a71031 8297933: [REDO] Compiler should only use verified interface types for optimization
Reviewed-by: kvn, vlivanov
2023-01-09 08:26:08 +00:00
Yi Yang
0459159537 8288204: GVN Crash: assert() failed: correct memory chain
Reviewed-by: kvn, thartmann
2022-12-26 02:16:06 +00:00
Andrew Haley
221e1a4260 8286666: JEP 429: Implementation of Scoped Values (Incubator)
Reviewed-by: psandoz, dlong, alanb, mcimadamore
2022-12-07 10:14:06 +00:00
Aleksey Shipilev
eab0ada3a1 8296545: C2 Blackholes should allow load optimizations
Reviewed-by: kvn, vlivanov
2022-12-05 12:00:30 +00:00
Roland Westrelin
9430f3e65c 8297934: [BACKOUT] Compiler should only use verified interface types for optimization
Reviewed-by: thartmann, kvn
2022-12-01 14:19:28 +00:00
Jaikiran Pai
3f8882b2eb 8297693: Fix typos in src/hotspot and test/hotspot files
Co-authored-by: Michael Ernst <mernst@openjdk.org>
Reviewed-by: kevinw, dholmes, sspitsyn
2022-11-30 11:28:11 +00:00
Roland Westrelin
45d1807ad3 6312651: Compiler should only use verified interface types for optimization
Reviewed-by: vlivanov, kvn
2022-11-21 08:47:42 +00:00
Tobias Hartmann
b6aff54245 8297201: Obsolete AliasLevel flag
Co-authored-by: Tobias Holenstein <tholenstein@openjdk.org>
Reviewed-by: chagedorn, dholmes, tholenstein, rcastanedalo
2022-11-17 13:23:02 +00:00
Igor Veresov
58a7141a0d 8295066: Folding of loads is broken in C2 after JDK-8242115
Reviewed-by: kvn, thartmann
2022-10-26 20:45:26 +00:00
Roland Westrelin
16047e8308 8292780: misc tests failed "assert(false) failed: graph should be schedulable"
Reviewed-by: dlong, chagedorn, thartmann
2022-10-04 08:34:29 +00:00
Igor Veresov
c6e3daa5fa 8242115: C2 SATB barriers are not safepoint-safe
Reviewed-by: kvn, vlivanov
2022-10-03 17:40:10 +00:00
Emanuel Peter
83abfa5d82 8255670: Improve C2's detection of modified nodes
Reviewed-by: kvn, thartmann, roland
2022-09-22 07:44:50 +00:00
Roland Westrelin
aa7ccdf445 8275201: C2: hide klass() accessor from TypeOopPtr and typeKlassPtr subclasses
Reviewed-by: vlivanov, iveresov
2022-05-11 07:25:49 +00:00