ysr [Fri, 16 Oct 2009 02:05:46 -0700] rev 4030
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning
6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks)
Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers().
Reviewed-by: jcoomes, kvn, never
tonyp [Mon, 19 Oct 2009 17:02:19 -0400] rev 4029
Merge
tonyp [Wed, 07 Oct 2009 19:01:55 -0400] rev 4028
6866190: Remove SIMPLE_STACK code from TaskQueue
Summary: What the title says. We don't use SIMPLE_STACK any more.
Reviewed-by: ysr
bobv [Wed, 07 Oct 2009 09:48:42 -0400] rev 4027
6888847: TaskQueue needs release_store() for correctness on RMO machines
Summary: See title.
Reviewed-by: jmasa, ysr, jcoomes, iveresov, tonyp
tonyp [Wed, 07 Oct 2009 10:09:57 -0400] rev 4026
6888619: G1: too many guarantees in concurrent marking
Summary: change more guarantees in concurrent marking into asserts.
Reviewed-by: apetrusenko, iveresov
tonyp [Wed, 07 Oct 2009 09:42:18 -0400] rev 4025
6888316: G1: has_aborted() || _cm->region_stack_empty() fails
Summary: Remove incorrect guarantee.
Reviewed-by: apetrusenko, iveresov
tonyp [Mon, 05 Oct 2009 12:05:48 -0400] rev 4024
6847956: G1: crash in oopDesc*G1ParCopyHelper::copy_to_survivor_space(oopDesc*)
Summary: When we copy objects to survivors during marking, we incorrectly set NTAMS to bottom, which causes marking to miss visiting some of those objects.
Reviewed-by: apetrusenko, iveresov
tonyp [Fri, 02 Oct 2009 16:20:42 -0400] rev 4023
6882730: G1: parallel heap verification messes up region dump
Summary: It tidies up the G1 heap verification a bit. In particular, when the verification is done in parallel and there is a failure, this is propagated to the top level and the heap is dumped at the end, not by every thread that encounters a failure.
Reviewed-by: johnc, jmasa
tonyp [Fri, 02 Oct 2009 16:12:07 -0400] rev 4022
6885041: G1: inconsistent thread dump
Summary: When G1 is enabled, thread dumps are inconsistent as the info for some of the G1 threads is not formatted properly.
Reviewed-by: ysr, johnc
jcoomes [Mon, 05 Oct 2009 05:51:22 -0700] rev 4021
6887948: test/gc/6845368/bigobj.java fails due to timeout
Reviewed-by: iveresov
cfang [Fri, 16 Oct 2009 14:08:44 -0700] rev 4020
Merge
kvn [Wed, 14 Oct 2009 15:03:32 -0700] rev 4019
6890984: Comparison of 2 arrays could cause VM crash
Summary: Restore original null checks.
Reviewed-by: never, cfang
kvn [Wed, 14 Oct 2009 11:42:59 -0700] rev 4018
6722084: JPRT make file doesn't create required symbolic link to libjvm.so
Summary: Use -y zip option to preserve symbolic links.
Reviewed-by: never, jcoomes, kamg
never [Wed, 14 Oct 2009 10:36:57 -0700] rev 4017
6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute")
Reviewed-by: jrose, kvn, cfang, twisti
kvn [Tue, 13 Oct 2009 22:32:31 -0700] rev 4016
6889300: assert(i != k || is_new || i->outcnt() > 0, "don't return dead nodes")
Summary: PhiNode::Ideal() should return TOP for Phi node with no users.
Reviewed-by: never, jrose
kvn [Tue, 13 Oct 2009 20:54:13 -0700] rev 4015
6889656: assert(lo_lrg->lo_degree() || !lo_no_simplify,"Live range was lo-degree before coalesce
Summary: Restore the original code: uint i = _hi_degree.
Reviewed-by: never, jrose
never [Tue, 13 Oct 2009 16:29:31 -0700] rev 4014
6889302: TraceExceptions output should include detail message
Reviewed-by: twisti, jrose, kvn
never [Tue, 13 Oct 2009 12:04:21 -0700] rev 4013
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
never [Wed, 07 Oct 2009 15:38:37 -0700] rev 4012
6885584: A particular class structure causes large allocation spike for jit
Reviewed-by: kvn
kvn [Wed, 07 Oct 2009 12:43:50 -0700] rev 4011
6875959: CTW fails hotspot/src/share/vm/opto/reg_split.cpp:1087
Summary: To break spill ties choose bound live range over unbound to free register or one with smaller cost to spill.
Reviewed-by: never, jrose
kvn [Tue, 06 Oct 2009 10:15:38 -0700] rev 4010
6880034: SIGBUS during deoptimisation at a safepoint on 64bit-SPARC
Summary: Fix problem with the double register encodings in sparc.ad
Reviewed-by: never, jrose
Contributed-by: volker.simonis@gmail.com
twisti [Tue, 06 Oct 2009 02:11:49 -0700] rev 4009
6879902: CTW failure jdk6_18/hotspot/src/cpu/sparc/vm/assembler_sparc.hpp:845
Summary: For signatures with a large number of arguments the offset for the float store becomes too big and does not fit in 13-bit.
Reviewed-by: kvn, never
xlu [Wed, 14 Oct 2009 12:40:20 -0700] rev 4008
Merge
acorn [Mon, 28 Sep 2009 12:27:52 -0400] rev 4007
Merge