Reviewed-by: jcoomes

Summary: profiling code in interpreter broken when argument profiling is off.
Reviewed-by: iveresov, kvn

8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
Summary: CICompilerCount is updated in AdvancedThresholdPolicy::initialize, SimpleThresholdPolicy::initialize and NonTieredCompPolicy::initialize. A warning is printed if the usersets both, CICompilerCount and CICompilerCountPerCPU.
Reviewed-by: kvn, twisti
Contributed-by: NTobias Hartmann <tobias.hartmann@oracle.com>

Reviewed-by: jcoomes

Reviewed-by: coleenp, kvn

Summary: Switch UseRTMXendForLockBusy flag ON by default and change code to retry RTM locking on lock busy condition by default.
Reviewed-by: roland

Summary: Remove the misleading malloc macro and cleanup the code
Reviewed-by: dsamersoff, kvn
Contributed-by: goetz.lindenmaier@sap.com

Reviewed-by: jrose, twisti

Reviewed-by: kvn, twisti

8036667: "assert(adr->is_AddP() && adr->in(AddPNode::Offset)->is_Con()) failed: offset is a constant" with FoldStableValues on
Reviewed-by: kvn

Reviewed-by: morris, kvn

Reviewed-by: iveresov, kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com