src/cpu/x86/vm/assembler_x86.hpp

@@ -603,10 +603,11 @@
 
   bool _legacy_mode_bw;
   bool _legacy_mode_dq;
   bool _legacy_mode_vl;
   bool _legacy_mode_vlbw;
+  bool _is_managed;
 
   class InstructionAttr *_attributes;
 
   // 64bit prefixes
   int prefix_and_encode(int reg_enc, bool byteinst = false);

@@ -809,16 +810,21 @@
   void init_attributes(void) {
     _legacy_mode_bw = (VM_Version::supports_avx512bw() == false);
     _legacy_mode_dq = (VM_Version::supports_avx512dq() == false);
     _legacy_mode_vl = (VM_Version::supports_avx512vl() == false);
     _legacy_mode_vlbw = (VM_Version::supports_avx512vlbw() == false);
+    _is_managed = false;
     _attributes = NULL;
   }
 
   void set_attributes(InstructionAttr *attributes) { _attributes = attributes; }
   void clear_attributes(void) { _attributes = NULL; }
 
+  void set_managed(void) { _is_managed = true; }
+  void clear_managed(void) { _is_managed = false; }
+  bool is_managed(void) { return _is_managed; }
+
   void lea(Register dst, Address src);
 
   void mov(Register dst, Register src);
 
   void pusha();