12 Commits

Author SHA1 Message Date
Vladimir Kozlov
b72eca85b5 Merge 2015-04-03 11:41:01 -07:00
Roland Westrelin
61aa1cfdef 8075921: assert assert(allocx == alloc) fails in library_call.cpp
Control becomes top after arraycopy guards and confuses tighly coupled allocation logic

Reviewed-by: kvn, vlivanov
2015-03-27 08:58:45 +01:00
Alexander Kulyakthin
01b9971365 8075586: Add @modules as needed to the open hotspot tests
Reviewed-by: sla, ctornqvi, lfoltan, mchung, alanb
2015-03-26 16:36:56 +01:00
Roland Westrelin
b81d606a4c 8075663: compiler/rangechecks/TestExplicitRangeChecks.java fails in compiler nightlies
-Xmixed following -Xcomp doesn't undo the effect of -Xcomp with tiered on

Reviewed-by: kvn, vlivanov
2015-03-23 17:09:41 +01:00
Roland Westrelin
0258ef4abc 8073866: Fix for 8064703 is not sufficient
Side effects between allocation and arraycopy can be reexecuted, unreachable uninitialized array can be seen by GCs

Reviewed-by: kvn, vlivanov
2015-03-16 12:24:06 +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
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
Roland Westrelin
e6ac3ca09e 8072016: Array copy may cause infinite cycle of deoptimization/compilation
Infinite deoptimization/recompilation cycles in case of arraycopy with tightly coupled allocation

Reviewed-by: kvn, vlivanov
2015-02-09 15:10:58 +01:00
Roland Westrelin
2e82794bfa 6700100: optimize inline_native_clone() for small objects with exact klass
Optimize small instance clones as loads/stores

Reviewed-by: kvn, iveresov
2014-12-16 13:49:36 +01:00
Roland Westrelin
686e5a0a6f 8064703: crash running specjvm98's javac following 8060252
Uncommon trap between arraycopy and initialization may leave array initialized

Reviewed-by: kvn, vlivanov, goetz
2014-12-01 11:59:56 +01:00
Roland Westrelin
fa27000f3c 8055910: closed/java/util/Collections/CheckedCollections.java failed with ClassCastException not thrown
Missing subtype check for Arrays.copyOf intrinsic

Reviewed-by: kvn, iveresov
2014-08-29 16:32:29 +02:00
Roland Westrelin
400f0f7a8f 8055153: nsk/stress/jck60/jck60014 crashes on sparc
Missing control for LoadRange and LoadKlass nodes created during arraycopy node expansion

Reviewed-by: kvn, iveresov
2014-08-19 17:23:38 +02:00