src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.cpp

*** 357,367 ****
  // raddr register contains the good/healed oop returned from
  // ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
  // ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
  static address generate_load_barrier_stub(StubCodeGenerator* cgen, Register raddr, DecoratorSet decorators) {
    // Don't generate stub for invalid registers
!   if (raddr == rsp || raddr == r12 || raddr == r15) {
      return NULL;
    }
  
    // Create stub name
    char name[64];
--- 357,367 ----
  // raddr register contains the good/healed oop returned from
  // ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
  // ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
  static address generate_load_barrier_stub(StubCodeGenerator* cgen, Register raddr, DecoratorSet decorators) {
    // Don't generate stub for invalid registers
!   if (raddr == rsp || raddr == r15) {
      return NULL;
    }
  
    // Create stub name
    char name[64];