src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp

rev 6086 : 8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.
Reviewed-by:

*** 150,160 ****
  LIR_Opr LIR_Assembler::osrBufferPointer() {
    return FrameMap::I0_opr;
  }
  
  
! int LIR_Assembler::initial_frame_size_in_bytes() {
    return in_bytes(frame_map()->framesize_in_bytes());
  }
  
  
  // inline cache check: the inline cached class is in G5_inline_cache_reg(G5);
--- 150,160 ----
  LIR_Opr LIR_Assembler::osrBufferPointer() {
    return FrameMap::I0_opr;
  }
  
  
! int LIR_Assembler::initial_frame_size_in_bytes() const {
    return in_bytes(frame_map()->framesize_in_bytes());
  }
  
  
  // inline cache check: the inline cached class is in G5_inline_cache_reg(G5);
*** 180,190 ****
    BlockBegin* osr_entry = compilation()->hir()->osr_entry();
    ValueStack* entry_state = osr_entry->end()->state();
    int number_of_locks = entry_state->locks_size();
  
    // Create a frame for the compiled activation.
!   __ build_frame(initial_frame_size_in_bytes());
  
    // OSR buffer is
    //
    // locals[nlocals-1..0]
    // monitors[number_of_locks-1..0]
--- 180,190 ----
    BlockBegin* osr_entry = compilation()->hir()->osr_entry();
    ValueStack* entry_state = osr_entry->end()->state();
    int number_of_locks = entry_state->locks_size();
  
    // Create a frame for the compiled activation.
!   __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
  
    // OSR buffer is
    //
    // locals[nlocals-1..0]
    // monitors[number_of_locks-1..0]