src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp

rev 57128 : 8235262: Move c2i_entry_barrier for x86_32 to shared

*** 393,448 ****
  
    __ bind(done);
    __ block_comment("load_reference_barrier_native { ");
  }
  
- #ifdef _LP64
- void ShenandoahBarrierSetAssembler::c2i_entry_barrier(MacroAssembler* masm) {
-   // Use default version
-   BarrierSetAssembler::c2i_entry_barrier(masm);
- }
- #else
- void ShenandoahBarrierSetAssembler::c2i_entry_barrier(MacroAssembler* masm) {
-   BarrierSetNMethod* bs = BarrierSet::barrier_set()->barrier_set_nmethod();
-   if (bs == NULL) {
-     return;
-   }
- 
-   Label bad_call;
-   __ cmpptr(rbx, 0); // rbx contains the incoming method for c2i adapters.
-   __ jcc(Assembler::equal, bad_call);
- 
-   Register tmp1 = rax;
-   Register tmp2 = rcx;
- 
-   __ push(tmp1);
-   __ push(tmp2);
- 
-   // Pointer chase to the method holder to find out if the method is concurrently unloading.
-   Label method_live;
-   __ load_method_holder_cld(tmp1, rbx);
- 
-    // Is it a strong CLD?
-   __ cmpl(Address(tmp1, ClassLoaderData::keep_alive_offset()), 0);
-   __ jcc(Assembler::greater, method_live);
- 
-    // Is it a weak but alive CLD?
-   __ movptr(tmp1, Address(tmp1, ClassLoaderData::holder_offset()));
-   __ resolve_weak_handle(tmp1, tmp2);
-   __ cmpptr(tmp1, 0);
-   __ jcc(Assembler::notEqual, method_live);
-   __ pop(tmp2);
-   __ pop(tmp1);
- 
-   __ bind(bad_call);
-   __ jump(RuntimeAddress(SharedRuntime::get_handle_wrong_method_stub()));
-   __ bind(method_live);
-   __ pop(tmp2);
-   __ pop(tmp1);
- }
- #endif
- 
  void ShenandoahBarrierSetAssembler::storeval_barrier(MacroAssembler* masm, Register dst, Register tmp) {
    if (ShenandoahStoreValEnqueueBarrier) {
      storeval_barrier_impl(masm, dst, tmp);
    }
  }
--- 393,402 ----