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138 Commits

Author SHA1 Message Date
Jie Fu
b96cb048f1 8283353: compiler/c2/cr6865031/Test.java and compiler/runtime/Test6826736.java fails on x86_32 
Reviewed-by: chagedorn
 2022-03-18 07:58:58 +00:00
Roland Westrelin
ea9eeea8ff 8281322: C2: always construct strip mined loop initially (even if strip mining is disabled) 
Reviewed-by: chagedorn, thartmann
 2022-03-14 13:59:13 +00:00
Ahmed Muhsin
5f3d4032f3 8272735: Add missing SubL node transformations 
Reviewed-by: thartmann, chagedorn
 2022-03-14 09:05:53 +00:00
Roland Westrelin
ef266d77b6 8278296: Generalize long range check transformation 
Reviewed-by: jrose, thartmann
 2022-03-07 16:26:19 +00:00
Roland Westrelin
2c5d266f9f 8282045: When loop strip mining fails, safepoints are removed from loop anyway 
Reviewed-by: thartmann, chagedorn
 2022-03-01 14:43:05 +00:00
John Tortugo
efd3967b54 8267265: Use new IR Test Framework to create tests for C2 Ideal transformations 
Reviewed-by: chagedorn
 2022-02-28 10:01:24 +00:00
Roland Westrelin
69e390a0e8 8262721: Add Tests to verify single iteration loops are properly optimized 
Reviewed-by: neliasso, chagedorn, kvn
 2022-02-09 10:18:27 +00:00
Roland Westrelin
19f877981e 8278784: C2: Refactor PhaseIdealLoop::remix_address_expressions() so it operates on longs 
Reviewed-by: chagedorn, thartmann
 2022-01-21 07:32:08 +00:00
Vladimir Ivanov
3f747368b9 8280123: C2: Infinite loop in CMoveINode::Ideal during IGVN 
Reviewed-by: kvn, thartmann, chagedorn
 2022-01-20 11:23:17 +00:00
Zhiqiang Zang
0bf95a1a73 8279607: Existing optimization "~x+1" -> "-x" can be generalized to "~x+c" -> "(c-1)-x". 
Reviewed-by: thartmann, kvn
 2022-01-20 07:38:04 +00:00
Aleksey Shipilev
645b38d586 8280089: compiler/c2/irTests/TestIRAbs.java fails on some arches 
Reviewed-by: jiefu, thartmann, chagedorn, fgao
 2022-01-18 12:13:44 +00:00
Fei Gao
c6196662b8 8276673: Optimize abs operations in C2 compiler 
Reviewed-by: thartmann, jiefu
 2022-01-17 02:16:45 +00:00
Roland Westrelin
8d1a1e83f4 8278228: C2: Improve identical back-to-back if elimination 
Reviewed-by: chagedorn, kvn
 2022-01-10 07:52:18 +00:00
Jie Fu
6a42fbaf9b 8279258: Auto-vectorization enhancement for two-dimensional array operations 
Reviewed-by: neliasso, kvn
 2022-01-07 00:04:51 +00:00
Zhiqiang Zang
f326305396 8278114: New addnode ideal optimization: converting "x + x" into "x << 1" 
Reviewed-by: kvn, redestad
 2022-01-05 00:38:59 +00:00
Jesper Wilhelmsson
a3b1c6b036 Merge 2021-12-23 21:17:50 +00:00
Aleksey Shipilev
9d5ae2e380 8279076: C2: Bad AD file when matching SqrtF with UseSSE=0 
Reviewed-by: kvn, sviswanathan
 2021-12-22 20:17:39 +00:00
Roland Westrelin
06206c7199 8278949: Cleanups for 8277850 
Co-authored-by: John R Rose <jrose@openjdk.org>
Reviewed-by: kvn, jrose
 2021-12-20 10:00:14 +00:00
Zhiqiang Zang
f6fbb5a80c 8278471: Remove unreached rules in AddNode::IdealIL 
Reviewed-by: jiefu, kvn
 2021-12-16 03:57:29 +00:00
Vladimir Kozlov
a1dfe57249 8276455: C2: iterative EA 
Reviewed-by: iveresov, neliasso, roland
 2021-12-14 19:24:13 +00:00
Zhiqiang Zang
352435581e 8277882: New subnode ideal optimization: converting "c0 - (x + c1)" into "(c0 - c1) - x" 
Reviewed-by: dlong, iveresov
 2021-12-09 00:18:59 +00:00
Roland Westrelin
b3faecf739 8276116: C2: optimize long range checks in int counted loops 
Reviewed-by: kvn
 2021-12-08 21:33:33 +00:00
Roland Westrelin
8af3b27ce9 8277850: C2: optimize mask checks in counted loops 
Reviewed-by: kvn, thartmann
 2021-12-08 16:39:24 +00:00
MeryKitty
f3eb5014aa 8276162: Optimise unsigned comparison pattern 
Reviewed-by: thartmann, kvn
 2021-11-16 14:09:53 +00:00
Christian Hagedorn
54481394a3 8271056: C2: "assert(no_dead_loop) failed: dead loop detected" due to cmoving identity 
Reviewed-by: kvn, thartmann
 2021-11-08 12:47:58 +00:00
Nick Gasson
3934fe54b4 8275847: Scheduling fails with "too many D-U pinch points" on small method 
Reviewed-by: thartmann, kvn
 2021-11-08 06:40:49 +00:00
sunguoyun
87b926ebb7 8275086: compiler/c2/irTests/TestPostParseCallDevirtualization.java fails when compiler1 is disabled 
Reviewed-by: iveresov
 2021-11-03 05:51:18 +00:00
Roland Westrelin
82f4aacb42 8259609: C2: optimize long range checks in long counted loops 
Co-authored-by: John R Rose <jrose@openjdk.org>
Reviewed-by: thartmann, jrose
 2021-10-26 15:53:37 +00:00
Christian Hagedorn
3953e0774c 8271459: C2: Missing NegativeArraySizeException when creating StringBuilder with negative capacity 
Reviewed-by: roland, thartmann, neliasso
 2021-10-05 07:02:06 +00:00
Tobias Holenstein
653a612a5a 8270156: Add "randomness" and "stress" keys to JTreg tests which use StressGCM, StressLCM and/or StressIGVN 
Reviewed-by: thartmann, chagedorn
 2021-09-23 12:59:22 +00:00
Yi Yang
a73c06de2a 8273021: C2: Improve Add and Xor ideal optimizations 
Co-authored-by: yulei <lei.yul@alibaba-inc.com>
Reviewed-by: thartmann, kvn
 2021-09-13 02:10:45 +00:00
Tobias Hartmann
c81690d716 8273498: compiler/c2/Test7179138_1.java timed out 
Reviewed-by: roland
 2021-09-09 13:54:47 +00:00
Tobias Hartmann
4866eaa997 8273409: Receiver type narrowed by CCP does not always trigger post-parse call devirtualization 
Reviewed-by: vlivanov, neliasso
 2021-09-09 13:44:05 +00:00
Roland Westrelin
99fb12c798 8271341: Opcode() != Op_If && Opcode() != Op_RangeCheck) || outcnt() == 2 assert failure with Test7179138_1.java 
Reviewed-by: kvn, thartmann
 2021-09-07 15:13:12 +00:00
Yi Yang
3f38a50c52 8271203: C2: assert(iff->Opcode() == Op_If || iff->Opcode() == Op_CountedLoopEnd || iff->Opcode() == Op_RangeCheck) failed: Check this code when new subtype is added 
Reviewed-by: chagedorn, roland, thartmann
 2021-08-16 02:30:57 +00:00
Jatin Bhateja
392fcc9df7 8271589: fatal error with variable shift count integer rotate operation. 
Reviewed-by: kvn, sviswanathan
 2021-08-04 17:49:17 +00:00
Christian Hagedorn
489e5fd12a 8268019: C2: assert(no_dead_loop) failed: dead loop detected 
Reviewed-by: kvn, thartmann
 2021-07-29 09:31:22 +00:00
Roland Westrelin
6afcf5f5a2 8270886: Crash in PhaseIdealLoop::verify_strip_mined_scheduling 
Reviewed-by: kvn, thartmann
 2021-07-29 07:34:20 +00:00
Jesper Wilhelmsson
1eeb1791ab Merge 
Reviewed-by: jvernee
 2021-07-21 00:24:17 +00:00
Yi Yang
0cec11d3eb 8270307: C2: assert(false) failed: bad AD file after JDK-8267687 
Co-authored-by: Kuai Wei <kuaiwei.kw@alibaba-inc.com>
Reviewed-by: kvn, thartmann
 2021-07-20 06:10:58 +00:00
Jesper Wilhelmsson
7a4f08ae32 Merge 2021-07-06 23:00:31 +00:00
Roland Westrelin
6d8fc7249a 8268883: C2: assert(false) failed: unscheduable graph 
Reviewed-by: chagedorn, kvn, yyang
 2021-07-06 06:47:45 +00:00
Christoph Göttschkes
561a3a5077 8269129: Multiple tier1 tests in hotspot/jtreg/compiler are failing for client VMs 
Reviewed-by: kvn, iveresov
 2021-06-27 13:12:51 +00:00
Patricio Chilano Mateo
2fd7943ec1 8256425: Obsolete Biased Locking in JDK 18 
Reviewed-by: kvn, dholmes, dcubed, rrich
 2021-06-24 18:54:41 +00:00
Vladimir Ivanov
9130b8a9d7 8268371: C2: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is no longer needed 
Reviewed-by: roland, kvn
 2021-06-17 21:25:46 +00:00
Hui Shi
3e48244084 8268301: Closed test: compiler/c2/6371167/Test.java fails after JDK-8267904 
Reviewed-by: kvn, dlong
 2021-06-07 06:26:47 +00:00
Hui Shi
b05fa02e74 8267904: C2 crash when compile negative Arrays.copyOf length after loop 
Reviewed-by: roland, kvn
 2021-06-07 01:34:22 +00:00
Tobias Hartmann
c2b50f93ac 8266480: Implicit null check optimization does not update control of hoisted memory operation 
Reviewed-by: neliasso, kvn
 2021-05-19 07:27:30 +00:00
Igor Ignatyev
f75dd80254 8266230: mark hotspot compiler/c2 tests which ignore VM flags 
Reviewed-by: kvn
 2021-04-28 20:47:57 +00:00
Vladimir Kozlov
f84b52b84d 8263897: compiler/c2/aarch64/TestVolatilesSerial.java failed with "java.lang.RuntimeException: Wrong method" 
Reviewed-by: roland
 2021-03-22 17:03:12 +00:00