8 Commits

Author SHA1 Message Date
Roland Westrelin
9bcec9e523 8176506: C2: loop unswitching and unsafe accesses cause crash
Reviewed-by: vlivanov, mcberg, kvn, simonis
2017-05-29 18:17:49 +02:00
Tobias Hartmann
ca56200977 6675699: need comprehensive fix for unconstrained ConvI2L with narrowed type
Emit CastII to make narrow ConvI2L dependent on the corresponding range check.

Reviewed-by: kvn, roland
2016-01-18 08:40:25 +01:00
Tobias Hartmann
69b52aa28b 8146629: Make phase->is_IterGVN() accessible from Node::Identity and Node::Value
Change arguments of Node::Identity() and Node::Value() from PhaseTransform* to PhaseGVN*.

Reviewed-by: kvn, roland
2016-01-12 12:55:09 +01:00
Roland Westrelin
631c143469 8145322: Code generated from unsafe loops can be slightly improved
Improve code generated from checkIndex and unsafe loops

Reviewed-by: kvn, thartmann
2016-01-11 16:33:27 +01:00
Roland Westrelin
6961dea52a 8139771: Eliminating CastPP nodes at Phis when they all come from a unique input may cause crash
Lost dependency when CastPP at Phis are eliminate

Reviewed-by: kvn
2015-12-11 16:57:08 +01:00
Roland Westrelin
05ea4dbf1e 8069191: moving predicate out of loops may cause array accesses to bypass null check
Remove CastPP nodes only during final graph reshape

Reviewed-by: kvn, jrose
2015-03-24 10:25:09 +01:00
Roland Westrelin
4bc2edad15 8054478: C2: Incorrectly compiled char[] array access crashes JVM
Dead backbranch in main loop results in erroneous array access

Reviewed-by: kvn, iveresov
2014-11-13 09:19:46 +01:00
Morris Meyer
6db303a301 8001532: C2 node files refactoring
Split C2 node files into cast, convert, countbits, intrinsic, move, narrowptr and opaquenode classes

Reviewed-by: kvn, morris
2014-04-01 09:05:20 -07:00