hg: jdk9/hs-gc/hotspot: 8060025: Object copy time regressions after JDK-8031323 and JDK-8057536

[thomas.schatzl at oracle.com]

Changeset: 5cdbde3a9a57
Author:    tschatzl
Date:      2014-12-19 09:21 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/5cdbde3a9a57

8060025: Object copy time regressions after JDK-8031323 and JDK-8057536
Summary: Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.
Reviewed-by: kbarrett, mgerdin, jmasa
Contributed-by: Tony Printezis <tprintezis at twitter.com>, Thomas Schatzl <thomas.schatzl at oracle.com>

! src/share/vm/gc_implementation/g1/g1AllocRegion.cpp
! src/share/vm/gc_implementation/g1/g1Allocator.cpp
! src/share/vm/gc_implementation/g1/g1Allocator.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp
! src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
! src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp
+ src/share/vm/gc_implementation/g1/g1InCSetState.hpp
! src/share/vm/gc_implementation/g1/g1OopClosures.hpp
! src/share/vm/gc_implementation/g1/g1OopClosures.inline.hpp
! src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp
! src/share/vm/gc_implementation/g1/g1ParScanThreadState.hpp
! src/share/vm/gc_implementation/g1/g1ParScanThreadState.inline.hpp