src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

rev 7171 : 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@twitter.com>, Thomas Schatzl <thomas.schatzl@oracle.com>
rev 7172 : imported patch is_humongous_continues_humongous
rev 7178 : 8067655: Clean up G1 remembered set oop iteration
Summary: Pass on the static type G1ParPushHeapRSClosure to allow oop_iterate devirtualization
Reviewed-by: jmasa, kbarrett

*** 4764,4774 ****
  
  void
  G1CollectedHeap::
  g1_process_roots(OopClosure* scan_non_heap_roots,
                   OopClosure* scan_non_heap_weak_roots,
!                  OopsInHeapRegionClosure* scan_rs,
                   CLDClosure* scan_strong_clds,
                   CLDClosure* scan_weak_clds,
                   CodeBlobClosure* scan_strong_code,
                   uint worker_i) {
  
--- 4764,4774 ----
  
  void
  G1CollectedHeap::
  g1_process_roots(OopClosure* scan_non_heap_roots,
                   OopClosure* scan_non_heap_weak_roots,
!                  G1ParPushHeapRSClosure* scan_rs,
                   CLDClosure* scan_strong_clds,
                   CLDClosure* scan_weak_clds,
                   CodeBlobClosure* scan_strong_code,
                   uint worker_i) {