src/hotspot/cpu/riscv/compressedKlass_riscv.cpp

@@ -54,13 +54,13 @@
    // Failing that, attempt to reserve for base=zero shift>0
    if (result == nullptr && optimize_for_zero_base) {
      result = reserve_address_space_for_zerobased_encoding(size, aslr);
    }
  
-   // Failing that, optimize for case (3) - a base with only bits set between [33-44)
+   // Failing that, optimize for case (3) - a base with only bits set between [32-44)
    if (result == nullptr) {
-     const uintptr_t from = nth_bit(32 + (optimize_for_zero_base ? LogKlassAlignmentInBytes : 0));
+     const uintptr_t from = nth_bit(32);
      constexpr uintptr_t to = nth_bit(44);
      constexpr size_t alignment = nth_bit(32);
      result = reserve_address_space_X(from, to, size, alignment, aslr);
    }
  

@@ -72,5 +72,7 @@
      result = reserve_address_space_X(from, to, size, alignment, aslr);
    }
  
    return result;
  }
+ 
+ bool CompressedKlassPointers::pd_initialize(address addr, size_t len) { return false; }