8036851: volatile double accesses are not explicitly atomic in C2
Summary: The C2 structure is adapted to distinguish between volatile and non-volatile double accesses.
Reviewed-by: twisti, kvn
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>
8042052: assert(t != NULL) failed: must set before get
Summary: Added missing call to _gvn.transform to make sure the type of the PhiNode is recorded in the gvn.
Reviewed-by: kvn
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>