src/hotspot/cpu/x86/x86_64.ad

*** 352,362 ****
  RegMask _STACK_OR_PTR_REG_mask;
  RegMask _STACK_OR_LONG_REG_mask;
  RegMask _STACK_OR_INT_REG_mask;
  
  static bool need_r12_heapbase() {
!   return UseCompressedOops || UseCompressedClassPointers || UseZGC;
  }
  
  void reg_mask_init() {
    // _ALL_REG_mask is generated by adlc from the all_reg register class below.
    // We derive a number of subsets from it.
--- 352,362 ----
  RegMask _STACK_OR_PTR_REG_mask;
  RegMask _STACK_OR_LONG_REG_mask;
  RegMask _STACK_OR_INT_REG_mask;
  
  static bool need_r12_heapbase() {
!   return UseCompressedOops || UseCompressedClassPointers;
  }
  
  void reg_mask_init() {
    // _ALL_REG_mask is generated by adlc from the all_reg register class below.
    // We derive a number of subsets from it.