src/cpu/aarch64/vm/aarch64.ad

rev 12379 : 8162338: AArch64: Intrinsify fused mac operations
Reviewed-by:
rev 12700 : 8176506: C2: loop unswitching and unsafe accesses cause crash
Reviewed-by:

*** 15383,15395 ****
  
    ins_cost(CALL_COST);
    format %{ "ShouldNotReachHere" %}
  
    ins_encode %{
!     // TODO
!     // implement proper trap call here
!     __ brk(999);
    %}
  
    ins_pipe(pipe_class_default);
  %}
  
--- 15383,15393 ----
  
    ins_cost(CALL_COST);
    format %{ "ShouldNotReachHere" %}
  
    ins_encode %{
!     __ halt();
    %}
  
    ins_pipe(pipe_class_default);
  %}