Tobias Hartmann
35f9db149b
8156760: VM crashes if -XX:-ReduceInitialCardMarks is set
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Fixed several compiler crashes with disabled ReduceInitialCardMarks.
Reviewed-by: roland, minqi, dlong, tschatzl, kvn
2016-06-02 08:46:52 +02:00
Tobias Hartmann
ca56200977
6675699: need comprehensive fix for unconstrained ConvI2L with narrowed type
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Emit CastII to make narrow ConvI2L dependent on the corresponding range check.
Reviewed-by: kvn, roland
2016-01-18 08:40:25 +01:00
Roland Westrelin
0baf2f7e8a
8130847: Cloned object's fields observed as null after C2 escape analysis
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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
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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
a9cdbd0407
8076188: Optimize arraycopy out for non escaping destination
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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
88848bd9e8
6912521: System.arraycopy works slower than the simple loop for little lengths
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Convert small array copies to series of loads and stores
Reviewed-by: kvn, vlivanov
2015-02-18 18:14:07 +01:00
