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5896 Commits

Author SHA1 Message Date
Xin Liu
f0aae81ed5 8259020: null-check of g1 write_ref_field_pre_entry is not necessary 
Reviewed-by: kbarrett, ayang, phh
 2021-01-04 23:58:53 +00:00
Jie Fu
216c2ec077 8258703: Incorrect 512-bit vector registers restore on x86_32 
Reviewed-by: kvn, sviswanathan
 2021-01-04 23:41:51 +00:00
Claes Redestad
9d160aa1b7 8257815: Replace global log2 functions with efficient implementations 
Reviewed-by: kbarrett, stefank
 2021-01-04 21:01:25 +00:00
Zhengyu Gu
f80c63b380 8258490: Shenandoah: Full GC does not need to remark threads and drain SATB buffers 
Reviewed-by: shade
 2021-01-04 18:10:36 +00:00
Coleen Phillimore
7f04d23be4 8258800: Deprecate -XX:+AlwaysLockClassLoader 
Reviewed-by: hseigel
 2021-01-04 16:44:39 +00:00
Hao Sun
f351e155e2 8258382: Fix optimization-unstable code involving pointer overflow 
Reviewed-by: kbarrett
 2021-01-04 02:21:58 +00:00
Jesper Wilhelmsson
57217b58bf Merge 2020-12-24 08:28:24 +00:00
Hao Sun
cdb487a6fd 8258856: VM build without C1/C2 fails after JDK-8243205 
Reviewed-by: jiefu, kvn
 2020-12-23 23:14:37 +00:00
Harold Seigel
fda0943419 8258839: Remove JVM option ExitVMOnVerifyError 
Reviewed-by: iignatyev, dcubed, coleenp
 2020-12-23 20:49:36 +00:00
Harold Seigel
244573509d 8258837: Remove JVM option DisableStartThread 
Reviewed-by: kbarrett, dcubed
 2020-12-23 14:45:13 +00:00
Daniel D. Daugherty
9cd8e38ab8 8257521: runtime/logging/MonitorInflationTest.java crashed in MonitorList::unlink_deflated 
Reviewed-by: kbarrett
 2020-12-23 14:36:47 +00:00
Jesper Wilhelmsson
f2bad3a0be Merge 2020-12-22 21:16:59 +00:00
Lin Zang
0ae78d4cd0 8258593: remove redundant codes in HeapObjectDumper 
Reviewed-by: coleenp, lfoltan, cjplummer
 2020-12-22 19:19:51 +00:00
Corey Ashford
0849117d5c 8256431: [PPC64] Implement Base64 encodeBlock() for Power64-LE 
Reviewed-by: mdoerr
 2020-12-22 14:19:32 +00:00
Daniel D. Daugherty
172af1524d 8258284: clean up issues with nested ThreadsListHandles 
Reviewed-by: eosterlund, rehn
 2020-12-22 14:07:43 +00:00
Vladimir Ivanov
772addfd24 8258790: C2: Crash on empty macro node list 
Reviewed-by: kvn, chagedorn
 2020-12-22 12:12:21 +00:00
Xin Liu
30b9ff660f 8258653: CallJavaNode::_bci is not in use 
Reviewed-by: kvn, vlivanov
 2020-12-21 23:27:33 +00:00
Roberto Castañeda Lozano
4e8338eb13 8255763: C2: OSR miscompilation caused by invalid memory instruction placement 
Disable GCM hoisting of memory-writing nodes for irreducible CFGs. This prevents
GCM from wrongly "hoisting" stores into descendants of their original loop. Such
an "inverted hoisting" can happen due to CFGLoop::compute_freq()'s inaccurate
estimation of frequencies for irreducible CFGs.

Extend CFG verification code by checking that memory-writing nodes are placed in
either their original loop or an ancestor.

Add tests for the reducible and irreducible cases. The former was already
handled correctly before the change (the frequency estimation model prevents
"inverted hoisting" for reducible CFGs), and is just added for coverage.

This change addresses the specific miscompilation issue in a conservative way,
for simplicity and safety. Future work includes investigating if only the
illegal blocks can be discarded as candidates for GCM hoisting, and refining
frequency estimation for irreducible CFGs.

Reviewed-by: kvn, chagedorn
 2020-12-21 13:04:24 +00:00
Roman Kennke
2525f39d35 8258714: Shenandoah: Process references before evacuation during degen 
Reviewed-by: shade
 2020-12-21 12:42:34 +00:00
Jaroslav Bachorik
a06cea50a5 8258396: SIGILL in jdk.jfr.internal.PlatformRecorder.rotateDisk() 
Reviewed-by: mgronlun
 2020-12-21 11:43:13 +00:00
Jesper Wilhelmsson
d234388042 Merge 2020-12-21 09:09:05 +00:00
Christian Hagedorn
8e42efaada 8257513: C2: assert((constant_addr - _masm.code()->consts()->start()) == con.offset()) 
Reviewed-by: kvn, thartmann
 2020-12-21 08:06:48 +00:00
Doug Simon
c50b464a12 8258715: [JVMCI] separate JVMCI code install timers for CompileBroker and hosted compilations 
Reviewed-by: kvn
 2020-12-19 11:17:16 +00:00
Mikael Vidstedt
64644a1072 8253881: Hotspot/Serviceability Terminology Refresh 
Reviewed-by: kbarrett, tschatzl, dholmes, lfoltan, dcubed
 2020-12-19 02:47:28 +00:00
Igor Veresov
7f92d187b1 8258553: Limit number of fields in instance to be considered for scalar replacement 
Reviewed-by: kvn, vlivanov
 2020-12-18 21:08:04 +00:00
Xin Liu
adf0e23aa2 8257800: CompileCommand TypedMethodOptionMatcher::parse_method_pattern() may over consume 
Reviewed-by: thartmann, chagedorn, phh
 2020-12-18 20:35:38 +00:00
Yumin Qi
06c24e14eb 8256213: Remove os::split_reserved_memory 
Reviewed-by: ccheung, iklam
 2020-12-18 20:23:43 +00:00
Leonid Mesnik
71ae05d51f 8258061: Improve diagnostic information about errors during class redefinition 
Reviewed-by: coleenp, sspitsyn
 2020-12-18 16:40:12 +00:00
Kim Barrett
00d80fdd86 8258255: Move PtrQueue active flag to SATBMarkQueue 
Reviewed-by: tschatzl, sjohanss
 2020-12-18 15:08:46 +00:00
Jie Fu
59ae054873 8258687: Build broken on Windows after fix for JDK-8258134 
Reviewed-by: thartmann
 2020-12-18 14:13:01 +00:00
Richard Reingruber
1ce2e94f5f 8256843: [PPC64] runtime/logging/RedefineClasses.java fails with assert: registers not saved on stack 
Reviewed-by: mdoerr, lucy
 2020-12-18 13:16:09 +00:00
Jie Fu
45a150b8dc 8258134: assert(size == calc_size) failed: incorrect size calculation on x86_32 with AVX512 machines 
Reviewed-by: kvn, thartmann
 2020-12-18 12:50:19 +00:00
Stefan Johansson
38593a4f2a 8257974: Regression 21% in DaCapo-lusearch-large after JDK-8236926 
Reviewed-by: ayang, redestad, tschatzl
 2020-12-18 08:14:58 +00:00
Thomas Stuefe
853c04712d 8258469: Cleanup remaining safefetch test coding 
Reviewed-by: coleenp, dholmes
 2020-12-18 08:13:16 +00:00
Yasumasa Suenaga
1e03ca13cc 8258471: "search codecache" clhsdb command does not work 
Reviewed-by: cjplummer, sspitsyn
 2020-12-18 04:50:09 +00:00
Jesper Wilhelmsson
f15528eb64 Merge 2020-12-17 20:41:37 +00:00
Coleen Phillimore
6e824b3f51 8258408: SystemDictionary passes TRAPS to functions that don't throw exceptions 
Reviewed-by: dholmes, lfoltan
 2020-12-17 18:49:42 +00:00
Markus Grönlund
7aac4dc175 8257621: JFR StringPool misses cached items across consecutive recordings 
Reviewed-by: egahlin
 2020-12-17 14:34:44 +00:00
Kim Barrett
61390d8e45 8257999: Parallel GC crash in gc/parallel/TestDynShrinkHeap.java: new region is not in covered_region 
Reviewed-by: sjohanss, tschatzl
 2020-12-17 14:18:00 +00:00
Xin Liu
83be8a902c 8247732: validate user-input intrinsic_ids in ControlIntrinsic 
renew webrev to the latest jdk. fixed a typo and a bug.  Add constraints for both DisableIntrinsic and ControlIntrinsics.  Add tests to cover different use cases of them.

Reviewed-by: neliasso, thartmann
 2020-12-17 10:05:09 +00:00
Thomas Stuefe
178c00182c 8258479: Minor cleanups in VMError 
Reviewed-by: lfoltan, coleenp
 2020-12-17 05:26:11 +00:00
Jatin Bhateja
c11525a45e 8257772: Vectorizing clear memory operation using AVX-512 masked operations 
Reviewed-by: thartmann, kvn
 2020-12-17 04:42:19 +00:00
Nick Gasson
643ddc1320 8257882: Implement linkToNative intrinsic on AArch64 
Reviewed-by: jvernee, mcimadamore, aph
 2020-12-17 03:24:40 +00:00
Jesper Wilhelmsson
11bd7a814f Merge 2020-12-17 03:04:19 +00:00
Ioi Lam
59f4c4aad5 8258075: Use auto variable declarations for enum iteration 
Reviewed-by: jrose, ccheung
 2020-12-16 19:39:24 +00:00
Harold Seigel
330ce86123 8257700: Add logging for sealed classes in JVM_GetPermittedSubclasses 
Reviewed-by: lfoltan, coleenp, dholmes
 2020-12-16 19:20:54 +00:00
Coleen Phillimore
c4632647ae 8258048: Placeholder hash code is the same as Dictionary hash code 
Reviewed-by: dholmes, hseigel, lfoltan
 2020-12-16 19:17:58 +00:00
Gerard Ziemski
70183f4d6e 8251438: Issues with our POSIX set_signal_handler() 
Reviewed-by: dholmes, stuefe
 2020-12-16 17:09:45 +00:00
Xin Liu
0c8cc2cde4 8258058: improve description of OutOfMemoryError relevant flags 
OutOfMemoryError thrown out of JVM doesn't notify hotspot, so debug.cpp::report_java_out_out_memory does not handle it. ie. Some options don't respect OOMEs from Java libraries.  We need to make the description more clear to users.

Reviewed-by: dholmes, jiefu
 2020-12-16 09:01:27 +00:00
Kim Barrett
cdb53422e8 8258252: Move PtrQueue enqueue to PtrQueueSet subclasses 
Reviewed-by: tschatzl, rkennke
 2020-12-16 07:53:40 +00:00