Commit graph

17 commits

Author SHA1 Message Date
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
2017-09-12 19:03:39 +02:00
Roland Westrelin
10d189d284 8181742: Load that bypasses arraycopy has wrong memory state
Set load memory edge to the memory state right before the arraycopy.

Reviewed-by: kvn, thartmann
2017-06-23 09:33:21 +02:00
Roland Westrelin
a9c2bc6517 8179678: ArrayCopy with same src and dst can cause incorrect execution or compiler crash
Replacing load on dst with load on src only valid if copy doesn't modify src element to load

Reviewed-by: kvn, thartmann
2017-06-02 09:08:34 +02:00
Volker Simonis
1cd78903a8 8176505: Wrong assertion 'should be an array copy/clone' in arraycopynode.cpp
Reviewed-by: thartmann, roland
2017-03-13 16:07:17 +01:00
Volker Simonis
fcdc3eac28 8159611: C2: ArrayCopy elimination skips required parameter checks
Reviewed-by: kvn, zmajo, thartmann
2016-10-06 18:51:24 +02:00
Tobias Hartmann
af8e1270cb 8136818: Test compiler/arraycopy/TestEliminatedArrayCopyDeopt.java fails with "m1 failed"
Added missing Op_StoreB check to ArrayCopyNode::may_modify_helper().

Reviewed-by: kvn
2016-08-04 10:34:34 +02:00
Tobias Hartmann
35f9db149b 8156760: VM crashes if -XX:-ReduceInitialCardMarks is set
Fixed several compiler crashes with disabled ReduceInitialCardMarks.

Reviewed-by: roland, minqi, dlong, tschatzl, kvn
2016-06-02 08:46:52 +02:00
Roland Westrelin
7ef7c96fde 8134468: Lucene test failures with 32 bit JDK 9b78, Server compiler
Test that checks whether an array load falls into the range of an arraycopy is incorrect on 32bits

Reviewed-by: iveresov, kvn
2015-09-02 10:00:27 +02:00
Roland Westrelin
0baf2f7e8a 8130847: Cloned object's fields observed as null after C2 escape analysis
Eliminated instance/array written to by an array copy variant must be correctly initialized when reallocated at a deopt

Reviewed-by: kvn, vlivanov
2015-08-15 02:54:18 +02:00
Michael Haupt
fd2f61a53f 8004073: Implement C2 Ideal node specific dump() method
Add Node::dump_rel() to dump a node and its related nodes (the notion of "related" depends on the node at hand); add Node::dump_comp() to dump a node in compact representation; add Node::dump_rel_comp() to dump a node and its related nodes in compact representation; add the required machinery; extend some C2 IR nodes with compact and related dumping

Reviewed-by: kvn, roland
2015-03-18 16:16:30 +01:00
Roland Westrelin
fd10da6423 8086016: closed/java/text/Format/NumberFormat/BigDecimalCompatibilityTest.java is crashing
Trying to transform ArrayCopyNode in dying part of the graph

Reviewed-by: kvn
2015-06-09 12:09:03 +02:00
Roland Westrelin
0296c2894b 8080699: Assert failed: Not a Java pointer in JCK test
Eliminated arraycopy node still reachable through exception edges

Reviewed-by: kvn
2015-05-22 09:14:18 +02:00
Roland Westrelin
a9cdbd0407 8076188: Optimize arraycopy out for non escaping destination
If the destination of an arraycopy is non escaping, the arraycopy may be optimized out

Reviewed-by: kvn, vlivanov
2015-05-12 10:27:50 +02:00
Roland Westrelin
2c277304d8 8073957: assert(ary_src != 0) failed: not an array or instance?
ArrayCopyNode going dead needs better validation of inputs

Reviewed-by: kvn, vlivanov
2015-03-03 12:30:07 +01:00
Roland Westrelin
3a627c0d83 8073792: assert((get_length_if_constant(phase) == -1) == !ary_src->size()->is_con()) failed: inconsistent
Assert in array copy code broken when array size becomes known during igvn

Reviewed-by: kvn, vlivanov
2015-02-25 10:44:38 +01:00
Volker Simonis
3f7a17902e 8073624: Fix waring "converting to non-pointer type 'bool' from NULL" in arraycopynode.cpp
Reviewed-by: roland
2015-02-23 10:32:17 +01:00
Roland Westrelin
88848bd9e8 6912521: System.arraycopy works slower than the simple loop for little lengths
Convert small array copies to series of loads and stores

Reviewed-by: kvn, vlivanov
2015-02-18 18:14:07 +01:00