thartmann [Mon, 11 Aug 2014 13:01:37 +0200] rev 26165
8043284: Optimize signed integer comparison
Summary: Folding of BoolNode if input add/sub of CmpI overflows and we can prove that compared value is not in the two resulting ranges. Added test for CmpI and CmpU optimizations.
Reviewed-by: kvn, rbackman, roland
jmasa [Thu, 21 Aug 2014 10:51:31 -0700] rev 26164
Merge
tschatzl [Wed, 20 Aug 2014 15:04:39 +0200] rev 26163
8055635: Missing include in g1RegionToSpaceMapper.hpp results in unresolved symbol of fastdebug build without precompiled headers
Reviewed-by: mgerdin, ehelin
tschatzl [Wed, 20 Aug 2014 14:34:40 +0200] rev 26162
8055525: Bigapp weblogic+medrec fails to startup after JDK-8038423
Summary: If large pages are enabled and configured in Linux, the VM always pre-commits the entire space. The VM fails verification of the commit of the initial heap because some internal data structure marked all memory pages of the heap as committed during initialization. This makes the code think that we attempted a double-commit during first allocation of the heap. Remove the initial marking of memory pages of the heap to committed.
Reviewed-by: mgerdin
jmasa [Tue, 19 Aug 2014 13:44:55 -0700] rev 26161
Merge
tschatzl [Tue, 19 Aug 2014 14:09:10 +0200] rev 26160
8038423: G1: Decommit memory within heap
Summary: Allow G1 to decommit memory of arbitrary regions within the heap and their associated auxiliary data structures card table, BOT, hot card cache, and mark bitmaps.
Reviewed-by: mgerdin, brutisso, jwilhelm
poonam [Mon, 18 Aug 2014 19:30:24 -0700] rev 26159
8044406: JVM crash with JDK8 (build 1.8.0-b132) with G1 GC
Summary: Fill the last card that has been allocated into with a dummy object
Reviewed-by: tschatzl, mgerdin