src/hotspot/cpu/ppc/interp_masm_ppc_64.cpp

rev 55858 : 8228649: [PPC64] SA reads wrong slots from interpreter frames
Summary: Make frame layout consistent between dbg and product build and implement offsets accordingly.
Reviewed-by: goetz, gromero

*** 766,785 ****
                                               Register Rscratch1, Register Rscratch2) {
    // Pop interpreter frame.
    ld(Rscratch1, 0, R1_SP); // *SP
    ld(Rsender_sp, _ijava_state_neg(sender_sp), Rscratch1); // top_frame_sp
    ld(Rscratch2, 0, Rscratch1); // **SP
- #ifdef ASSERT
-   {
-     Label Lok;
-     ld(R0, _ijava_state_neg(ijava_reserved), Rscratch1);
-     cmpdi(CCR0, R0, 0x5afe);
-     beq(CCR0, Lok);
-     stop("frame corrupted (remove activation)", 0x5afe);
-     bind(Lok);
-   }
- #endif
    if (return_pc!=noreg) {
      ld(return_pc, _abi(lr), Rscratch1); // LR
    }
  
    // Merge top frames.
--- 766,775 ----
*** 2261,2278 ****
      cmpdi(CCR0, R0, frame::abi_reg_args_size + frame::ijava_state_size);
      bge(CCR0, Lok);
      stop("frame too small (restore istate)", 0x5432);
      bind(Lok);
    }
-   {
-     Label Lok;
-     ld(R0, _ijava_state_neg(ijava_reserved), scratch);
-     cmpdi(CCR0, R0, 0x5afe);
-     beq(CCR0, Lok);
-     stop("frame corrupted (restore istate)", 0x5afe);
-     bind(Lok);
-   }
  #endif
  }
  
  void InterpreterMacroAssembler::get_method_counters(Register method,
                                                      Register Rcounters,
--- 2251,2260 ----