src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp

rev 49264 : 8193266: AArch64: TestOptionsWithRanges.java SIGSEGV
Reviewed-by: aph, dsamersoff

@@ -77,20 +77,20 @@
     bool     check_exceptions          // whether to check for pending exceptions after return
   );
 
   void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true);
 
-  // Maximum size of class area in Metaspace when compressed
-  uint64_t use_XOR_for_compressed_class_base;
+  // True if an XOR can be used to expand narrow klass references.
+  bool use_XOR_for_compressed_class_base;
 
  public:
   MacroAssembler(CodeBuffer* code) : Assembler(code) {
     use_XOR_for_compressed_class_base
       = (operand_valid_for_logical_immediate(false /*is32*/,
                                              (uint64_t)Universe::narrow_klass_base())
          && ((uint64_t)Universe::narrow_klass_base()
-             > (1u << log2_intptr(CompressedClassSpaceSize))));
+             > (1UL << log2_intptr(Universe::narrow_klass_range()))));
   }
 
  // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code.
  // The implementation is only non-empty for the InterpreterMacroAssembler,
  // as only the interpreter handles PopFrame and ForceEarlyReturn requests.