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3746 Commits

Author SHA1 Message Date
Christian Hagedorn
3ea92e735b 8238756: C2: assert(((n) == __null || !VerifyIterativeGVN || !((n)->is_dead()))) failed: can not use dead node 
Fix -XX:+VerifyIterativeGVN due to a dead node and add some basic flag testing.

Reviewed-by: roland, neliasso
 2020-02-13 15:07:45 +01:00
Christian Hagedorn
e2829b7b87 8237945: CTW: C2 compilation fails with assert(just_allocated_object(alloc_ctl) == ptr) failed: most recent allo 
Removing too strong assertion about array allocation in LibraryCallKit::tightly_coupled_allocation().

Reviewed-by: thartmann, neliasso
 2020-02-13 15:07:21 +01:00
Christian Hagedorn
8bdb972192 8238178: CTW: C1 compilation fails with assert(sux->loop_depth() != block->loop_depth() || sux->loop_index() == block->loop_index() || loop_through_xhandler) failed: Loop index has to be same 
Fix verification of C1 IR involving xhandlers in one-time executed loops on the non-exceptional path.

Reviewed-by: thartmann, neliasso
 2020-02-13 15:06:57 +01:00
Richard Reingruber
b0b8190ea2 8238782: Cleanup Deoptimization::deoptimize(): remove unused RegisterMap argument and don't update RegisterMap in callers if UseBiasedLocking is enabled 
Reviewed-by: dholmes, kvn
 2020-02-12 09:18:37 +01:00
Thomas Schatzl
78f58c3e39 8238854: Remove superfluous C heap allocation failure checks 
Reviewed-by: kbarrett, sjohanss
 2020-02-13 11:00:40 +01:00
David Holmes
4e4d1f2b4d 8234372: Investigate use of Thread::stack_base() and queries for "in stack" 
Reviewed-by: dcubed, stuefe
 2020-02-12 20:19:50 -05:00
Kim Barrett
25c5a23695 8238272: Eliminate cast_from_oop to narrowOop* 
Improved low address computation in ObjArrayKlass::oop_oop_iterate_range.

Reviewed-by: tschatzl, sjohanss
 2020-02-12 15:38:48 -05:00
Roman Kennke
411766b6bb 8238851: Shenandoah: C1: Resolve into registers of correct type 
Reviewed-by: shade
 2020-02-11 16:01:38 +01:00
Yumin Qi
c37ebcd730 8232069: Enable CDS even when UseCompressedClassPointers and/or UseCompressedOops are false 
Fix to save UseCompressedOops and UseCompressedClassPointers in shared archive and at runtime run with CDS only if they are matched the stored versions.

Reviewed-by: iklam, ccheung
 2020-02-11 12:16:23 -08:00
Vladimir Ivanov
898a903530 8238762: Optimized build is broken 
Reviewed-by: coleenp
 2020-02-11 14:55:45 +03:00
Vladimir Ivanov
5e9dc46d21 8238683: C2: Remove Use24BitFP and Use24BitFPMode flags 
Reviewed-by: thartmann, neliasso
 2020-02-11 14:55:44 +03:00
Vladimir Ivanov
74e68b4092 8238690: C2: Handle vector shifts by constant and non-constant scalar uniformly 
Reviewed-by: thartmann, sviswanathan
 2020-02-11 14:55:43 +03:00
Vladimir Ivanov
590f5996c6 8136414: Large performance penalty declaring a method strictfp on strict-only platforms 
Reviewed-by: thartmann
 2020-02-11 14:55:39 +03:00
Thomas Schatzl
c16040393c 8238160: Uniformize Parallel GC task queue variable names 
Reviewed-by: kbarrett, sangheki
 2020-02-11 12:48:25 +01:00
David Holmes
983fc23fd1 8236844: Deprecate PrintVMQWaitTime to prepare for its removal 
Reviewed-by: rehn, coleenp, hseigel
 2020-02-10 19:58:04 -05:00
Frederic Parain
9886cb401c 8237767: Field layout computation overhaul 
Reviewed-by: dholmes, coleenp, lfoltan, shade
 2020-02-10 09:49:12 -05:00
Erik Gahlin
304d764a72 8238634: Reduce log verbosity of the JFR thread sampler 
Reviewed-by: mgronlun
 2020-02-10 14:21:51 +01:00
Roland Westrelin
8c0fab8fbe 8237837: Shenandoah: assert(mem == __null) failed: only one safepoint 
Reviewed-by: rkennke
 2020-01-28 11:28:52 +01:00
Roland Westrelin
a59ed930f5 8238385: CTW: C2 (Shenandoah) compilation fails with "Range check dependent CastII node was not removed" 
Reviewed-by: rkennke, shade
 2020-02-07 13:59:17 +01:00
Roland Westrelin
1af059d4cb 8231291: C2: loop opts before EA should maximally unroll loops 
Reviewed-by: kvn, vlivanov
 2019-12-20 17:17:37 +01:00
Roland Westrelin
1745ae28b9 8237086: assert(is_MachReturn()) running CTW with fix for JDK-8231291 
Reviewed-by: kvn, vlivanov
 2020-01-14 14:58:17 +01:00
David Holmes
9f21d809ab 8238460: Provide warnings about the use of JNI RegisterNatives to rebind native methods for boot/platform classes in other classloaders 
Reviewed-by: jwilhelm, lfoltan
 2020-02-06 21:03:40 -05:00
Kim Barrett
ccbd819a01 8237143: Eliminate DirtyCardQ_cbl_mon 
Replace locked data structures with lock-free data structures.

Reviewed-by: tschatzl, sangheki
 2020-02-06 19:09:07 -05:00
Zhengyu Gu
87031d4728 8238574: Shenandoah: Assertion failure due to missing null check 
Reviewed-by: shade
 2020-02-06 13:08:14 -05:00
Lois Foltan
df72b2e2d6 8238600: Remove runtime/fieldType.hpp and fieldType.cpp 
Remove obsolesced source files fieldType.hpp and fieldType.cpp.

Reviewed-by: hseigel
 2020-02-06 15:28:37 +00:00
Lois Foltan
d19a396e96 8230199: consolidate signature parsing code in HotSpot sources 
Add a new Signature class to support basic signature queries and enhance SignatureStream class to parse field signatures in addition to methods.

Co-authored-by: John Rose <john.r.rose@oracle.com>
Reviewed-by: coleenp, dholmes, fparain, hseigel
 2020-02-06 14:29:57 +00:00
Nils Eliasson
b59f630249 8237581: Improve allocation expansion 
Reviewed-by: vlivanov, redestad
 2020-02-06 11:21:39 +01:00
Daniel D. Daugherty
a7a82b0c79 8235795: replace monitor list mux{Acquire,Release}(&gListLock) with spin locks 
Reviewed-by: dholmes, coleenp, rehn
 2020-02-05 11:40:20 -05:00
Daniel D. Daugherty
8ff24c55ef 8236035: refactor ObjectMonitor::set_owner() and _owner field setting 
Reviewed-by: dholmes, kbarrett, rehn
 2020-02-05 11:39:52 -05:00
Daniel D. Daugherty
b9e3a4efef 8235931: add OM_CACHE_LINE_SIZE and use smaller size on SPARCv9 and X64 
Reviewed-by: dholmes, redestad, mdoerr
 2020-02-05 11:38:18 -05:00
Magnus Ihse Bursie
ce28a96c28 8238281: Raise minimum gcc version needed to 5.0 
Reviewed-by: erikj, dholmes, jwilhelm, mbaesken
 2020-02-05 10:45:39 +01:00
Jesper Wilhelmsson
89e9ae9b3c Merge 2020-02-05 03:24:41 +01:00
Zhengyu Gu
a88734eadc 8238162: Shenandoah: Remove ShenandoahTaskTerminator wrapper 
Reviewed-by: shade
 2020-02-04 14:48:28 -05:00
David Leopoldseder
135f209852 8238190: [JVMCI] Fix single implementor speculation for diamond shapes 
Reviewed-by: kvn
 2020-02-04 09:33:09 +01:00
Markus Grönlund
953fbd2e66 8236743: JFR: assert(klass != __null) failed: invariant in ObjectSampleCheckpoint::add_to_leakp_set 
Reviewed-by: egahlin
 2020-01-31 12:17:55 +01:00
Roland Westrelin
f2b7509d5a 8237951: CTW: C2 compilation fails with "malformed control flow" 
Reviewed-by: vlivanov, kvn
 2020-01-28 13:36:30 +01:00
Ivan Walulya
edd28610d5 8233220: Space::_par_seq_tasks is unused after CMS removal 
Reviewed-by: pliden, tschatzl, lkorinth
 2020-02-03 18:20:07 +01:00
Thomas Schatzl
358c56bb8b 8238229: Remove TRACESPINNING debug code 
Reviewed-by: kbarrett, sjohanss
 2020-02-03 10:45:46 +01:00
Thomas Schatzl
77ad678fce 8238220: Rename OWSTTaskTerminator to TaskTerminator 
Reviewed-by: sjohanss, sangheki
 2020-02-03 10:45:44 +01:00
Thomas Schatzl
76675e93cf 8215297: Remove ParallelTaskTerminator 
Remove ParallelTaskTerminator as the alternate OWSTTaskTerminator algorithm has worked well for more than a year now.

Reviewed-by: zgu, sjohanss
 2020-02-03 10:45:43 +01:00
Christian Hagedorn
b940e17c9e 8235332: TestInstanceCloneAsLoadsStores.java fails with -XX:+StressGCM 
Account for GC barriers when skipping a cloned ArrayCopyNode in ConnectionGraph::find_inst_mem()

Reviewed-by: roland, neliasso
 2020-01-31 09:32:00 +01:00
Nick Gasson
987ba9f3a4 8237521: Memory Access API fixes for 32-bit 
Reviewed-by: mcimadamore, dholmes
 2020-01-24 17:41:44 +08:00
Coleen Phillimore
9dcbd81920 8237080: fatal error: VM thread could block on lock that may be held by a JavaThread during safepoint: SharedDecoder_lock 
Set allow_vm_block to true for this lock.  It's _safepoint_check_never so it's sort of implied (you can't safepoint holding the lock and block out the vm thread).

Reviewed-by: rehn, zgu, pchilanomate, dholmes
 2020-01-30 08:50:11 -05:00
Per Lidén
4aa5cf5bca 8237882: ZGC: Remove ZUtils::round_{up,down}_power_of_2() declarations 
Reviewed-by: kbarrett, smonteith
 2020-01-30 12:42:01 +01:00
Per Lidén
83911960d4 8237884: ZGC: Use clamp() instead of MIN2(MAX2()) 
Reviewed-by: kbarrett, smonteith
 2020-01-30 12:41:59 +01:00
Per Lidén
0f06a9a5cd 8237825: ZGC: Replace -XX:ZPath with -XX:AllocateHeapAt 
Reviewed-by: eosterlund
 2020-01-30 12:41:56 +01:00
Per Lidén
24691f248c 8237758: ZGC: Move get_mempolicy() syscall wrapper to ZSyscall 
Reviewed-by: eosterlund
 2020-01-30 12:41:47 +01:00
Per Lidén
91d58b8f96 8237649: ZGC: Improved NUMA support when using small pages 
Reviewed-by: eosterlund, smonteith
 2020-01-30 12:41:26 +01:00
David Holmes
c4b708b255 8237857: LogDecorations::uptimenanos is implemented incorrectly 
Reviewed-by: dcubed, kbarrett
 2020-01-29 23:53:16 -05:00
Vladimir Ivanov
5b5a5353e7 7175279: Don't use x87 FPU on x86-64 
Reviewed-by: kvn, roland
 2020-01-30 00:46:43 +03:00