Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn

Reviewed-by: jcoomes

Reviewed-by: tschatzl, jmasa

Reviewed-by: tschatzl, jmasa

Reviewed-by: tschatzl, jmasa, kvn, tamao

Summary: Added checking for gcc and simplified the sig_handler() in the test case
Reviewed-by: dcubed, coleenp, minqi, dlong

Summary: switch on TieredCompilation by default
Reviewed-by: twisti

Reviewed-by: acorn, jmasa, coleenp, dcubed, mgerdin

Reviewed-by: jcoomes

Reviewed-by: coleenp, bpittore

Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

Reviewed-by: kvn, dlong

8020123: Test gc/g1/TestPrintRegionRememberedSetInfo.java fails with "test result: Error. No action after @build"
Summary: Remove the @build tag and replace it by a @run tag so that the test gets executed
Reviewed-by: brutisso, mgerdin

6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
Reviewed-by: rasbold, tschatzl, jmasa
Contributed-by: yamauchi@google.com

Summary: Add code to copy method parameters data in clone_with_new_data
Reviewed-by: coleenp, sspitsyn

Summary: Added -DLINUX to the gcc command and improved the .sh script
Reviewed-by: dcubed, dholmes, minqi

Summary: find_method could return NULL so need explicitly check if there is error after parse_method, exit on error to avoid crash.
Reviewed-by: kvn, twisti
Contributed-by: yumin.qi@oracle.com

Reviewed-by: egahlin, rbackman, dcubed, brutisso, acorn

Summary: volatile jdouble load/store is not atomic, fix by using of existing volatile jlong operations which are atomic for jdouble.
Reviewed-by: kvn, vladidan, jrose
Contributed-by: david.holmes@oracle.com