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136 Commits

Author SHA1 Message Date
Qizheng Xing
b83bf0717e 8360192: C2: Make the type of count leading/trailing zero nodes more precise 
Reviewed-by: qamai, epeter, jbhateja
 2025-12-08 13:16:39 +00:00
Richard Reingruber
804ce0a239 8370473: C2: Better Aligment of Vector Spill Slots 
Reviewed-by: goetz, mdoerr
 2025-12-03 10:29:09 +00:00
Christian Hagedorn
293fec7e28 8372461: [IR Framework] Multiple test failures after JDK-8371789 
Reviewed-by: epeter, syan, dfenacci
 2025-12-01 07:06:46 +00:00
Quan Anh Mai
8bafc2f0ae 8371789: C2: More explicit dump results for TypePtr 
Reviewed-by: chagedorn, vlivanov
 2025-11-24 18:12:36 +00:00
Xiaohong Gong
676e6fd8d5 8367292: VectorAPI: Optimize VectorMask.fromLong/toLong() for SVE 
Reviewed-by: epeter, psandoz, haosun, sviswanathan
 2025-11-13 01:33:21 +00:00
Emanuel Peter
09a047f00c 8370405: C2: mismatched store from MergeStores wrongly scalarized in allocation elimination 
Co-authored-by: Olivier Mattmann <olivier.mattmann@bluewin.ch>
Co-authored-by: Quan Anh Mai <qamai@openjdk.org>
Reviewed-by: kvn, qamai
 2025-11-03 06:55:32 +00:00
erifan
2de8d58552 8366333: AArch64: Enhance SVE subword type implementation of vector compress 
Co-authored-by: Jatin Bhateja <jbhateja@openjdk.org>
Reviewed-by: jbhateja, xgong, galder, vlivanov
 2025-10-21 01:20:38 +00:00
Jatin Bhateja
449641813a 8365205: C2: Optimize popcount value computation using knownbits 
Reviewed-by: epeter, hgreule, qamai
 2025-10-14 03:35:11 +00:00
Mohamed Issa
37f0e74d32 8364305: Support AVX10 saturating floating point conversion instructions 
Reviewed-by: sviswanathan, sparasa, jbhateja
 2025-09-26 21:10:30 +00:00
erifan
e6f8450d95 8363989: AArch64: Add missing backend support of VectorAPI expand operation 
Reviewed-by: epeter, eliu, xgong
 2025-09-22 02:03:03 +00:00
erifan
45cc515f45 8354242: VectorAPI: combine vector not operation with compare 
Reviewed-by: epeter, jbhateja, xgong
 2025-09-17 07:32:19 +00:00
erifan
53b3e0567d 8366588: VectorAPI: Re-intrinsify VectorMask.laneIsSet where the input index is a variable 
Reviewed-by: shade, xgong, epeter
 2025-09-10 01:49:55 +00:00
Bhavana Kilambi
7f0cd6488b 8361582: AArch64: Some ConH values cannot be replicated with SVE 
Reviewed-by: shade, epeter, aph
 2025-09-01 09:18:29 +00:00
erfang
f40381e41d 8356760: VectorAPI: Optimize VectorMask.fromLong for all-true/all-false cases 
Reviewed-by: xgong, jbhateja
 2025-08-02 07:54:42 +00:00
Bhavana Kilambi
2ba8a06f0c 8348868: AArch64: Add backend support for SelectFromTwoVector 
Co-authored-by: Jatin Bhateja <jbhateja@openjdk.org>
Reviewed-by: haosun, aph, sviswanathan, xgong
 2025-08-01 13:11:21 +00:00
Manuel Hässig
ddb64836e5 8364409: [BACKOUT] Consolidate Identity of self-inverse operations 
Reviewed-by: thartmann, bmaillard, hgreule
 2025-07-31 12:12:15 +00:00
Jasmine Karthikeyan
ea0b49c36d 8362979: C2 fails with unexpected node in SuperWord truncation: CmpLTMask, RoundF 
Reviewed-by: chagedorn, thartmann
 2025-07-28 17:14:02 +00:00
Roland Westrelin
f155661151 8342692: C2: long counted loop/long range checks: don't create loop-nest for short running loops 
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org>
Reviewed-by: chagedorn, thartmann
 2025-07-22 08:35:36 +00:00
Marc Chevalier
ebb1095805 8361492: [IR Framework] Has too restrictive regex for load and store 
Reviewed-by: chagedorn, dfenacci
 2025-07-14 13:37:19 +00:00
Marc Chevalier
3ffc5b9ef7 8359344: C2: Malformed control flow after intrinsic bailout 
Reviewed-by: thartmann, kvn
 2025-07-11 07:07:27 +00:00
Manuel Hässig
c7125aa2af 8020282: Generated code quality: redundant LEAs in the chained dereferences 
Co-authored-by: Roberto Castañeda Lozano <rcastanedalo@openjdk.org>
Reviewed-by: kvn, rcastanedalo
 2025-06-19 09:36:29 +00:00
Roberto Castañeda Lozano
91f12600d2 8345067: C2: enable implicit null checks for ZGC reads 
Reviewed-by: aboldtch, kvn, epeter
 2025-06-09 06:23:17 +00:00
Hamlin Li
8545e13571 8356642: RISC-V: enable hotspot/jtreg/compiler/vectorapi/VectorFusedMultiplyAddSubTest.java 
Reviewed-by: fyang, fjiang, mhaessig
 2025-05-12 12:25:13 +00:00
Hamlin Li
50554fa198 8355704: RISC-V: enable TestIRFma.java 
Reviewed-by: rehn, luhenry
 2025-05-07 08:34:03 +00:00
Jatin Bhateja
3b3a055d76 8342676: Unsigned Vector Min / Max transforms 
Reviewed-by: sviswanathan, epeter
 2025-04-26 03:31:21 +00:00
Anjian-Wen
5c067232bf 8355074: RISC-V: C2: Support Vector-Scalar version of Zvbb Vector And-Not instruction 
Reviewed-by: fjiang, fyang
 2025-04-25 12:50:12 +00:00
Manuel Hässig
84e9264e76 8346552: C2: Add IR tests to check that Predicate cloning in Loop Unswitching works as expected 
Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org>
Reviewed-by: chagedorn, epeter
 2025-04-24 08:29:08 +00:00
Marc Chevalier
1138a186eb 8344251: C2: remove blackholes with dead control input 
Reviewed-by: shade, thartmann, kvn
 2025-04-17 07:24:14 +00:00
Anjian-Wen
07aad68c17 8329887: RISC-V: C2: Support Zvbb Vector And-Not instruction 
Reviewed-by: fyang, fjiang
 2025-04-17 02:16:24 +00:00
Jatin Bhateja
9a3f9997b6 8346236: Auto vectorization support for various Float16 operations 
Reviewed-by: epeter, sviswanathan
 2025-04-10 09:44:58 +00:00
Manuel Hässig
d358f5f4a4 8347449: C2: UseLoopPredicate off should also turn UseProfiledLoopPredicate off 
Reviewed-by: chagedorn, epeter
 2025-04-02 06:48:06 +00:00
Manuel Hässig
f301663b34 8352893: C2: OrL/INode::add_ring optimize (x | -1) to -1 
Reviewed-by: epeter, thartmann, kvn
 2025-04-02 06:30:55 +00:00
Hannes Greule
66b5dba690 8350988: Consolidate Identity of self-inverse operations 
Reviewed-by: epeter, vlivanov
 2025-03-27 07:39:34 +00:00
Xiaohong Gong
99c8a6e47a 8350463: AArch64: Add vector rearrange support for small lane count vectors 
Reviewed-by: epeter, bkilambi, haosun
 2025-03-25 06:06:42 +00:00
Xiaohong Gong
ba658a71ba 8349522: AArch64: Add backend implementation for new unsigned and saturating vector operations 
Reviewed-by: epeter, haosun, bkilambi
 2025-03-25 01:35:27 +00:00
Manuel Hässig
5591f8a429 8351515: C2 incorrectly removes double negation for double and float 
Reviewed-by: thartmann, chagedorn
 2025-03-24 07:59:20 +00:00
Marc Chevalier
466f82a499 8314999: IR framework fails to detect allocation 
Reviewed-by: chagedorn, thartmann
 2025-03-21 08:53:56 +00:00
Kuai Wei
5928209280 8347405: MergeStores with reverse bytes order value 
Co-authored-by: Richard Reingruber <rrich@openjdk.org>
Reviewed-by: epeter, thartmann
 2025-03-11 02:07:19 +00:00
Emanuel Peter
e82031ec1a 8350756: C2 SuperWord Multiversioning: remove useless slow loop when the fast loop disappears 
Reviewed-by: kvn, chagedorn
 2025-03-06 06:48:42 +00:00
Marc Chevalier
4109c73a78 8349523: Unused runtime calls to drem/frem should be removed 
Reviewed-by: thartmann, kvn, chagedorn
 2025-03-03 09:32:54 +00:00
Jatin Bhateja
4b463ee70e 8342103: C2 compiler support for Float16 type and associated scalar operations 
Co-authored-by: Paul Sandoz <psandoz@openjdk.org>
Co-authored-by: Bhavana Kilambi <bkilambi@openjdk.org>
Co-authored-by: Joe Darcy <darcy@openjdk.org>
Co-authored-by: Raffaello Giulietti <rgiulietti@openjdk.org>
Reviewed-by: psandoz, epeter, sviswanathan
 2025-02-12 17:02:51 +00:00
Theo Weidmann
f54e0bf267 8345766: C2 should emit macro nodes for ModF/ModD instead of calls during parsing 
Reviewed-by: kvn, epeter
 2025-01-21 09:15:18 +00:00
theoweidmannoracle
d381d581bf 8332268: C2: Add missing optimizations for UDivI/L and UModI/L and unify the shared logic with the signed nodes 
Reviewed-by: chagedorn, thartmann, epeter, qamai
 2024-12-11 14:30:59 +00:00
Aleksey Shipilev
f3b4350e0f 8345219: C2: x86_64 should not go to interpreter stubs for NaNs handling 
Reviewed-by: epeter, kvn
 2024-12-04 16:37:38 +00:00
Jatin Bhateja
29c57e8b34 8342677: Add IR validation tests for newly added saturated vector add / sub operations 
Reviewed-by: epeter
 2024-12-02 16:55:33 +00:00
Roberto Castañeda Lozano
ec13364cda 8343067: C2: revisit constant-offset AddP chains after successful input idealizations 
Reviewed-by: kvn, vlivanov
 2024-11-11 10:05:15 +00:00
Roland Westrelin
57c3bb6091 8343068: C2: CastX2P Ideal transformation not always applied 
Reviewed-by: kvn, thartmann
 2024-11-06 14:47:14 +00:00
Quan Anh Mai
7276a1bec0 8341784: Refactor TypeVect to use a BasicType instead of a const Type* 
Reviewed-by: kvn, jkarthikeyan
 2024-10-11 15:28:15 +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
Kangcheng Xu
10050a7239 8332442: C2: refactor Mod cases in Compile::final_graph_reshaping_main_switch() 
Reviewed-by: roland, chagedorn, jkarthikeyan
 2024-09-17 07:19:02 +00:00