src/cpu/x86/vm/templateInterpreter_x86_64.cpp

*** 164,174 ****
    __ dispatch_next(state);
    return entry;
  }
  
  
! address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) {
    address entry = __ pc();
  
    // Restore stack bottom in case i2c adjusted stack
    __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
    // and NULL it as marker that esp is now tos until next java call
--- 164,174 ----
    __ dispatch_next(state);
    return entry;
  }
  
  
! address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
    address entry = __ pc();
  
    // Restore stack bottom in case i2c adjusted stack
    __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
    // and NULL it as marker that esp is now tos until next java call
*** 181,212 ****
      Register mdp = rbx;
      Register tmp = rcx;
      __ profile_return_type(mdp, rax, tmp);
    }
  
!   Label L_got_cache, L_giant_index;
!   if (EnableInvokeDynamic) {
!     __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic);
!     __ jcc(Assembler::equal, L_giant_index);
!   }
!   __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2));
!   __ bind(L_got_cache);
!   __ movl(rbx, Address(rbx, rcx,
!                        Address::times_ptr,
!                        in_bytes(ConstantPoolCache::base_offset()) +
!                        3 * wordSize));
!   __ andl(rbx, 0xFF);
!   __ lea(rsp, Address(rsp, rbx, Address::times_8));
    __ dispatch_next(state, step);
  
-   // out of the main line of code...
-   if (EnableInvokeDynamic) {
-     __ bind(L_giant_index);
-     __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4));
-     __ jmp(L_got_cache);
-   }
- 
    return entry;
  }
  
  
  address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state,
--- 181,200 ----
      Register mdp = rbx;
      Register tmp = rcx;
      __ profile_return_type(mdp, rax, tmp);
    }
  
!   const Register cache = rbx;
!   const Register index = rcx;
!   __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
! 
!   const Register flags = cache;
!   __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset()));
!   __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask);
!   __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale()));
    __ dispatch_next(state, step);
  
    return entry;
  }
  
  
  address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state,