src/cpu/x86/vm/c1_LIRAssembler_x86.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:

*** 286,296 ****
    // rcx: osr buffer
    //
  
    // build frame
    ciMethod* m = compilation()->method();
!   __ build_frame(initial_frame_size_in_bytes());
  
    // OSR buffer is
    //
    // locals[nlocals-1..0]
    // monitors[0..number_of_locks]
--- 286,296 ----
    // rcx: osr buffer
    //
  
    // build frame
    ciMethod* m = compilation()->method();
!   __ build_frame(initial_frame_size_in_bytes(), bang_size_in_bytes());
  
    // OSR buffer is
    //
    // locals[nlocals-1..0]
    // monitors[0..number_of_locks]
*** 374,384 ****
    __ mov_metadata(reg, o);
    patching_epilog(patch, lir_patch_normal, reg, info);
  }
  
  // This specifies the rsp decrement needed to build the frame
! int LIR_Assembler::initial_frame_size_in_bytes() {
    // if rounding, must let FrameMap know!
  
    // The frame_map records size in slots (32bit word)
  
    // subtract two words to account for return address and link
--- 374,384 ----
    __ mov_metadata(reg, o);
    patching_epilog(patch, lir_patch_normal, reg, info);
  }
  
  // This specifies the rsp decrement needed to build the frame
! int LIR_Assembler::initial_frame_size_in_bytes() const {
    // if rounding, must let FrameMap know!
  
    // The frame_map records size in slots (32bit word)
  
    // subtract two words to account for return address and link