src/share/vm/runtime/arguments.cpp

rev 3688 : 7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by:

*** 1421,1434 ****
        warning("UseCompressedKlassPointers requires UseCompressedOops");
      }
      FLAG_SET_DEFAULT(UseCompressedKlassPointers, false);
    } else {
      // Turn on UseCompressedKlassPointers too
!     // The compiler is broken for this so turn it on when the compiler is fixed.
!     // if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) {
!     //   FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true);
!     // }
      // Set the ClassMetaspaceSize to something that will not need to be
      // expanded, since it cannot be expanded.
      if (UseCompressedKlassPointers && FLAG_IS_DEFAULT(ClassMetaspaceSize)) {
        // 100,000 classes seems like a good size, so 100M assumes around 1K
        // per klass.   The vtable and oopMap is embedded so we don't have a fixed
--- 1421,1433 ----
        warning("UseCompressedKlassPointers requires UseCompressedOops");
      }
      FLAG_SET_DEFAULT(UseCompressedKlassPointers, false);
    } else {
      // Turn on UseCompressedKlassPointers too
!     if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) {
!       FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true);
!     }
      // Set the ClassMetaspaceSize to something that will not need to be
      // expanded, since it cannot be expanded.
      if (UseCompressedKlassPointers && FLAG_IS_DEFAULT(ClassMetaspaceSize)) {
        // 100,000 classes seems like a good size, so 100M assumes around 1K
        // per klass.   The vtable and oopMap is embedded so we don't have a fixed