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697 Commits

Author SHA1 Message Date
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
Aleksey Shipilev
0483ff56a0 8252362: C2: Remove no-op checking for callee-saved-floats 
Reviewed-by: vlivanov
 2020-08-27 06:34:24 +02:00
Aleksey Shipilev
25af8d8f69 8252291: C2: Assignment in conditional in loopUnswitch.cpp 
Reviewed-by: thartmann
 2020-08-26 09:29:46 +02:00
Aleksey Shipilev
27b5007ad5 8252290: Remove unused enum in CallGenerator 
Reviewed-by: thartmann, rrich
 2020-08-26 09:29:37 +02:00
Roland Westrelin
fcd005c417 8251527: CTW: C2 (Shenandoah) compilation fails with SEGV due to unhandled catchproj == NULL 
Reviewed-by: chagedorn, kvn
 2020-08-19 10:56:08 +02:00
Claes Redestad
ae912be86f 8251459: Compute caller save exclusion RegMasks once 
Reviewed-by: kvn, vlivanov
 2020-08-18 15:34:28 -07:00
Christian Hagedorn
552a73301c 8248791: sun/util/resources/cldr/TimeZoneNamesTest.java fails with -XX:-ReduceInitialCardMarks -XX:-ReduceBulkZeroing 
Fix wrong replacement of loads by zero for non-completed InitializationNodes belonging to a clone when ReduceBulkZeroing is disabled.

Reviewed-by: kvn, thartmann
 2020-08-14 10:30:51 +02:00
Tobias Hartmann
191e1e6075 8251458: Parse::do_lookupswitch fails with "assert(_cnt >= 0) failed" 
Limit the counter value to max_jint.

Reviewed-by: kvn, vlivanov, chagedorn
 2020-08-13 16:01:45 +02:00
Clive Verghese
832d896443 8251268: Move PhaseChaitin definitions from live.cpp to chaitin.cpp 
Move PhaseChaitin verify_base_ptrs() and verify() from live.cpp to chaitin.cpp

Reviewed-by: chagedorn, kvn
 2020-08-11 15:32:55 -07:00
Xiaohong Gong
23ed3a9e91 8250808: Re-associate loop invariants with other associative operations 
Reviewed-by: kvn, thartmann
 2020-08-11 06:00:43 +00:00
Vladimir Kozlov
092389e3c9 8249749: modify a primitive array through a stream and a for cycle causes jre crash 
Check align_to_ref for NULL early and bailout SuperWord optimization.

Reviewed-by: vlivanov, thartmann
 2020-08-10 15:31:01 -07:00
Charlie Gracie
7332181372 8251303: C2: remove unused _site_invoke_ratio and related code from InlineTree 
Reviewed-by: vlivanov, thartmann
 2020-08-10 12:12:40 +03:00
Tobias Hartmann
970e251a54 8249608: Vector register used by C2 compiled method corrupted at safepoint 
Always update 'max_vlen_in_bytes'.

Reviewed-by: kvn, vlivanov, chagedorn
 2020-08-10 08:21:14 +02:00
Jatin Bhateja
3ed56830b4 8248830: C2: Optimize Rotate API on x86 
Improved existing scalar rotate operations, added support for vector rotate operations using new AVX512 instructions.

Reviewed-by: vlivanov, kvn
 2020-08-09 02:03:09 +05:30
Coleen Phillimore
0c9e0c2e7f 8244997: Convert the JavaThread::_threadObj oop to use OopStorage 
Move the oop and handle releasing it in the service thread.  Remove Universe::oops_do from callers.

Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: dholmes, zgu, eosterlund, cjplummer
 2020-08-07 07:53:26 -04:00