src/hotspot/cpu/ppc/interp_masm_ppc_64.cpp

rev 59326 : 8244949: [PPC64] Reengineer assembler stop function
Reviewed-by:

*** 488,498 ****
    Label index_ok;
    lwa(R0, arrayOopDesc::length_offset_in_bytes(), result);
    sldi(R0, R0, LogBytesPerHeapOop);
    cmpd(CCR0, tmp, R0);
    blt(CCR0, index_ok);
!   stop("resolved reference index out of bounds", 0x09256);
    bind(index_ok);
  #endif
    // Add in the index.
    add(result, tmp, result);
    load_heap_oop(result, arrayOopDesc::base_offset_in_bytes(T_OBJECT), result, tmp, R0, false, 0, L_handle_null);
--- 488,498 ----
    Label index_ok;
    lwa(R0, arrayOopDesc::length_offset_in_bytes(), result);
    sldi(R0, R0, LogBytesPerHeapOop);
    cmpd(CCR0, tmp, R0);
    blt(CCR0, index_ok);
!   stop("resolved reference index out of bounds");
    bind(index_ok);
  #endif
    // Add in the index.
    add(result, tmp, result);
    load_heap_oop(result, arrayOopDesc::base_offset_in_bytes(T_OBJECT), result, tmp, R0, false, 0, L_handle_null);
*** 1141,1151 ****
  
    save_interpreter_state(Rscratch2);
  #ifdef ASSERT
    ld(Rscratch1, _ijava_state_neg(top_frame_sp), Rscratch2); // Rscratch2 contains fp
    cmpd(CCR0, R21_sender_SP, Rscratch1);
!   asm_assert_eq("top_frame_sp incorrect", 0x951);
  #endif
  
    bctr();
  }
  
--- 1141,1151 ----
  
    save_interpreter_state(Rscratch2);
  #ifdef ASSERT
    ld(Rscratch1, _ijava_state_neg(top_frame_sp), Rscratch2); // Rscratch2 contains fp
    cmpd(CCR0, R21_sender_SP, Rscratch1);
!   asm_assert_eq("top_frame_sp incorrect");
  #endif
  
    bctr();
  }
  
*** 2249,2259 ****
    {
      Label Lok;
      subf(R0, R1_SP, scratch);
      cmpdi(CCR0, R0, frame::abi_reg_args_size + frame::ijava_state_size);
      bge(CCR0, Lok);
!     stop("frame too small (restore istate)", 0x5432);
      bind(Lok);
    }
  #endif
  }
  
--- 2249,2259 ----
    {
      Label Lok;
      subf(R0, R1_SP, scratch);
      cmpdi(CCR0, R0, frame::abi_reg_args_size + frame::ijava_state_size);
      bge(CCR0, Lok);
!     stop("frame too small (restore istate)");
      bind(Lok);
    }
  #endif
  }