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711 Commits

Author SHA1 Message Date
Tobias Hartmann
7c05f32bc9 8244924: Additional fix for JDK-8241119 
Reviewed-by: kvn, vlivanov, rhalade, ahgross
 2020-10-20 14:58:38 -07:00
Tobias Hartmann
afd852ccb8 8241114: Better range handling 
Reviewed-by: kvn, vlivanov, rhalade, ahgross
 2020-10-20 14:58:37 -07:00
Richard Reingruber
40f847e2fb 8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents 
8233915: JVMTI FollowReferences: Java Heap Leak not found because of C2 Scalar Replacement

Reviewed-by: mdoerr, goetz, sspitsyn, kvn
 2020-10-20 15:31:55 +00:00
Roland Westrelin
294e0705fa 8254998: C2: assert(!n->as_Loop()->is_transformed_long_loop()) failure with -XX:StressLongCountedLoop=1 
Reviewed-by: vlivanov, kvn, thartmann
 2020-10-20 11:53:41 +00:00
Claes Redestad
3f9c8a3920 8254966: Remove unused code from Matcher 
Reviewed-by: neliasso, kvn
 2020-10-20 09:27:35 +00:00
Nhat Nguyen
5fedfa707e 8251271: C2: Compile::_for_igvn list is corrupted after RenumberLiveNodes 
Reviewed-by: vlivanov, thartmann
 2020-10-20 06:18:49 +00:00
Roland Westrelin
e76de18956 8223051: support loops with long (64b) trip counts 
Reviewed-by: vlivanov, thartmann, jrose
 2020-10-19 11:30:13 +00:00
Tobias Hartmann
7c0d417027 8251535: Partial peeling at unsigned test adds incorrect loop exit check 
Reviewed-by: chagedorn, neliasso, kvn
 2020-10-16 06:25:33 +00:00
Xin Liu
bdda2058c2 8254369: Node::disconnect_inputs may skip precedences 
disconnect_inputs() needs to iterate precedences edges in reverse order because rm_prec(i) may backfill _in[i] with a value afterward.
also remove the predicate if (n != NULL) in set_prec because it's always true.

Reviewed-by: kvn, redestad
 2020-10-16 01:59:07 +00:00
Roland Westrelin
f44fc6defc 8254734: "dead loop detected" assert failure with patch from 8223051 
Reviewed-by: chagedorn, kvn
 2020-10-15 06:53:03 +00:00
Vladimir Kozlov
5194f11bc7 8254792: Disable intrinsic StringLatin1.indexOf until 8254790 is fixed 
Reviewed-by: dcubed
 2020-10-15 00:05:40 +00:00
Paul Sandoz
0c99b19258 8223347: Integration of Vector API (Incubator) 
Co-authored-by: Vivek Deshpande <vdeshpande@openjdk.org>
Co-authored-by: Qi Feng <qfeng@openjdk.org>
Co-authored-by: Ian Graves <igraves@openjdk.org>
Co-authored-by: Jean-Philippe Halimi <jphalimi@openjdk.org>
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Co-authored-by: Ningsheng Jian <njian@openjdk.org>
Co-authored-by: Razvan Lupusoru <rlupusoru@openjdk.org>
Co-authored-by: Smita Kamath <svkamath@openjdk.org>
Co-authored-by: Rahul Kandu <rkandu@openjdk.org>
Co-authored-by: Kishor Kharbas <kkharbas@openjdk.org>
Co-authored-by: Eric Liu <Eric.Liu2@arm.com>
Co-authored-by: Aaloan Miftah <someusername3@gmail.com>
Co-authored-by: John R Rose <jrose@openjdk.org>
Co-authored-by: Shravya Rukmannagari <srukmannagar@openjdk.org>
Co-authored-by: Paul Sandoz <psandoz@openjdk.org>
Co-authored-by: Sandhya Viswanathan <sviswanathan@openjdk.org>
Co-authored-by: Lauren Walkowski <lauren.walkowski@arm.com>
Co-authored-by: Yang Zang <Yang.Zhang@arm.com>
Co-authored-by: Joshua Zhu <jzhu@openjdk.org>
Co-authored-by: Wang Zhuo <wzhuo@openjdk.org>
Co-authored-by: Jatin Bhateja <jbhateja@openjdk.org>
Reviewed-by: erikj, chegar, kvn, darcy, forax, briangoetz, aph, epavlova, coleenp
 2020-10-14 20:02:46 +00:00
Jason Tatton (AWS)
f71e8a6198 8173585: Intrinsify StringLatin1.indexOf(char) 
Reviewed-by: neliasso
 2020-10-14 12:58:21 +00:00
Roberto Castañeda Lozano
9fe9b24b88 8254575: C2: Clean up unused TRACK_PHI_INPUTS assertion code 
Remove assertion code that was disabled in all build configurations.

Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Reviewed-by: vlivanov, kvn
 2020-10-14 08:06:59 +00:00
Ioi Lam
a098037375 8254365: ciMethod.hpp should not include methodHandles.hpp 
Reviewed-by: dholmes, coleenp
 2020-10-14 04:59:52 +00:00
Xin Liu
bff586f07a 8254269: simplify Node::disconnect_inputs 
Node::disconnect_inputs cuts off all input edges without exception.

Reviewed-by: redestad, kvn
 2020-10-12 19:54:25 +00:00
Roberto Castañeda Lozano
05459df0c7 8253765: C2: Control randomization in StressLCM and StressGCM 
Use the compilation-local seed in 'StressLCM' and 'StressGCM' rather than the
global one. As a consequence, these options use by default a fresh seed in every
compilation, unless 'StressSeed=N' is specified, in which case they behave
deterministically. Annotate tests that use 'StressLCM' and 'StressGCM' with the
'stress' and 'randomness' keys to reflect this change in default behavior.

Reviewed-by: kvn, thartmann
 2020-10-12 11:40:50 +00:00
Roland Westrelin
a6c23b7753 8253923: C2 doesn't always run loop opts for compilations that include loops 
Reviewed-by: neliasso, thartmann
 2020-10-12 10:55:22 +00:00
Christian Hagedorn
54bbe76ed0 8251544: CTW: C2 fails with assert(no_dead_loop) failed: dead loop detected 
Reviewed-by: kvn, roland
 2020-10-12 08:18:13 +00:00
Erik Österlund
b9873e1833 8253180: ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing 
Reviewed-by: stefank, pliden, rehn, neliasso, coleenp, smonteith
 2020-10-09 08:40:33 +00:00
Roberto Castañeda Lozano
a191c586dc 8253404: C2: assert(C->live_nodes() <= C->max_node_limit()) failed: Live Node limit exceeded limit 
Record nodes as dead in Node::destruct() if their index cannot be directly
reclaimed. This prevents the "Live Node limit exceeded limit" assertion failure
by improving the accuracy of Compile::live_nodes() when "hook" nodes in
ConvI2LNode::Ideal() are created and deleted non-consecutively.

This addition might result in multiple calls to compile::record_dead_node() for
the same node (e.g. from PhaseIdealLoop::spinup()), but this is safe, as
compile::record_dead_node() is idempotent.

Reviewed-by: neliasso, thartmann
 2020-10-08 12:30:38 +00:00
Coleen Phillimore
6bc493188b 8253717: Relocate stack overflow code out of thread.hpp/cpp 
Reviewed-by: rehn, dcubed, dholmes, stuefe
 2020-10-08 11:24:27 +00:00
Roland Westrelin
f86037207c 8253566: clazz.isAssignableFrom will return false for interface implementors 
Reviewed-by: kvn, thartmann, neliasso
 2020-10-08 09:33:42 +00:00
Roland Westrelin
76a5852776 8253756: C2 CompilerThread0 crash in Node::add_req(Node*) 
Reviewed-by: vlivanov, thartmann
 2020-10-08 08:39:40 +00:00
Xin Liu
ea5a2b15a0 8251464: make Node::dump(int depth) support indent 
Reviewed-by: thartmann
 2020-10-02 13:45:29 +00:00
Roberto Castañeda Lozano
5dd9353b83 8253636: C2: Adjust NodeClasses::_max_classes 
Update NodeClasses::_max_classes to the max class id within the
enumeration. Update comment and assertion to reflect that NodeClasses uses now
32 bits after the addition of Opaque1 in JDK-8229495.

Reviewed-by: neliasso, kvn
 2020-10-01 06:39:25 +00:00
Roberto Castaneda Lozano
fed3636f12 8252219: C2: Randomize IGVN worklist for stress testing 
Add 'StressIGVN' option to let C2 randomize IGVN worklist order. When enabled,
the worklist is shuffled before each main run of the IGVN loop. Also add
'StressSeed=N' option to specify the seed. If the seed is not specified, a
random one is generated. In either case, the seed is logged if 'LogCompilation'
is enabled. The new options are declared as production+diagnostic for
consistency with the existing 'StressLCM' and 'StressGCM' options.

Reviewed-by: kvn, chagedorn, thartmann
 2020-09-28 06:44:58 +00:00
Roberto Castaneda Lozano
dcde95ba0d 8253586: C2: Clean up unused PhaseIterGVN::init_worklist() 
Remove unused method PhaseIterGVN::init_worklist(Node *).

Reviewed-by: thartmann, chagedorn, neliasso
 2020-09-25 06:53:48 +00:00
Roland Westrelin
b1e2f026d9 8253524: C2: Refactor code that clones predicates during loop unswitching 
Reviewed-by: chagedorn, kvn, thartmann
 2020-09-24 10:00:33 +00:00
Roberto Castaneda Lozano
f3ea0d362f 8252583: Clean up unused phi-to-copy degradation mechanism 
Remove unused notion of 'PhiNode-to-copy degradation', where PhiNodes can be
degraded to copies by setting their RegionNode to NULL. Remove corresponding
PhiNode::is_copy() test, which always returned NULL (false). Assert that
PhiNodes have an associated RegionNode in PhiNode::Ideal().

Reviewed-by: thartmann, kvn
 2020-09-24 08:10:56 +00:00
Roland Westrelin
3fe5886baf 8252696: Loop unswitching may cause out of bound array load to be executed 
Reviewed-by: neliasso, chagedorn
 2020-09-23 07:34:56 +00:00
Xin Liu
426c9049ce 8253392: remove PhaseCCP_DCE declaration 
remove the deprecated declaration PhaseCCP_DCE

Reviewed-by: neliasso, phh
 2020-09-22 20:24:05 +00:00
Vladimir Kozlov
1438ce097f 8252188: Crash in OrINode::Ideal(PhaseGVN*, bool)+0x8b9 
Reviewed-by: vlivanov, thartmann, jbhateja
 2020-09-19 16:06:35 +00:00
Ioi Lam
0a1dc50f54 8253271: vm_version_x86.hpp should not include globals_extension.hpp 
Reviewed-by: dholmes
 2020-09-17 21:32:22 +00:00
Cesar
fbf4699d23 8253040: Remove unused Matcher::regnum_to_fpu_offset() 
Reviewed-by: adityam, vlivanov
 2020-09-16 06:41:37 +00:00
Aleksey Shipilev
7c564e13ee 8253146: C2: Purge unused MachCallNode::_arg_size field 
Reviewed-by: thartmann, adityam
 2020-09-16 06:38:53 +00:00
Cesar
2caa20a76d 8250668: Clean up method_oop names in adlc 
Reviewed-by: coleenp, adityam, thartmann
 2020-09-16 05:54:16 +00:00
Jorn Vernee
d219d8b987 8253002: Remove the unused SafePointNode::_oop_map field 
Reviewed-by: thartmann
 2020-09-15 12:21:45 +00:00
Roberto Castaneda Lozano
040c8f58e5 8250914: Matcher::stack_direction() is unused 
Remove unused Matcher::stack_direction() together with related ADL entries and
ADLC support.

Reviewed-by: vlivanov, thartmann
 2020-09-11 11:57:46 +00:00
Roberto Castaneda Lozano
9687dcabb6 8252494: C2: TypeAryPtr::cast_to_autobox_cache does not use ptr_type 
Remove dead definition of ptr_type in TypeAryPtr::cast_to_autobox_cache. Also remove
unnecessary cache parameter (always true) for simplicity.

Reviewed-by: shade, vlivanov, thartmann
 2020-09-11 11:55:30 +00:00
Ioi Lam
5144190ea0 8243208: Clean up JVMFlag implementation 
Reviewed-by: dholmes, coleenp, gziemski
 2020-09-11 04:05:18 +00:00
Goetz Lindenmaier
7ccf435825 8252846: Fix ppc/s390 after "8231441: AArch64: Initial SVE backend su… 
Reviewed-by: shade
 2020-09-10 09:16:23 +00:00
Tobias Hartmann
f78f780570 8252889: Obsolete -XX:+InsertMemBarAfterArraycopy 
Reviewed-by: shade, adityam
 2020-09-10 05:41:51 +00:00
Ningsheng Jian
9b5a9b6189 8231441: AArch64: Initial SVE backend support 
Co-authored-by: Joshua Zhu <joshua.zhu@arm.com>
Co-authored-by: Yang Zhang <yang.zhang@arm.com>
Reviewed-by: adinn, pli, ihse, vlivanov, eosterlund
 2020-09-02 09:45:44 +08:00
Dmitry Chuyko
35ea00085f 8251525: AARCH64: Faster Math.signum(fp) 
Reviewed-by: aph, vlivanov, adinn
 2020-09-03 14:54:43 +03:00
Christian Hagedorn
8d30bb03ee 8249607: C2: assert(!had_error) failed: bad dominance 
Fix prevented igvn optimization in SplitIf for LoadNodes which resulted in dominanance errors with loop strip mining.

Reviewed-by: roland, kvn
 2020-08-31 12:10:25 +02:00
Roland Westrelin
c663323043 8252292: 8240795 may cause anti-dependence to be missed 
Reviewed-by: thartmann, kvn
 2020-08-24 11:29:40 +02:00
Roland Westrelin
6a85e1454d 8241486: G1/Z give warning when using LoopStripMiningIter and turn off LoopStripMiningIter (0) 
Reviewed-by: thartmann, kvn
 2020-08-21 17:41:57 +02:00
Roland Westrelin
84d2c2678a 8252296: Shenandoah: crash in CallNode::extract_projections 
Reviewed-by: chagedorn
 2020-08-25 14:25:53 +02:00
Aleksey Shipilev
124db3be8e 8252215: Remove VerifyOptoOopOffsets flag 
Reviewed-by: thartmann, kvn
 2020-08-27 06:34:27 +02:00