* defaults.h (CFA_FRAME_BASE_OFFSET): Define.
* config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
* doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
* dwarf2out.c (build_cfa_loc): New offset parameter. Add it
to the result of the expression.
(def_cfa_1): Adjust.
(frame_pointer_cfa_offset): Rename to...
(frame_pointer_fb_offset): ... this. Adjust all uses.
(convert_cfa_to_loc_list): Rename to...
(convert_cfa_to_fb_loc_list): ... this. New offset parameter.
Pass it on to build_cfa_loc.
(compute_frame_pointer_to_cfa_displacement): Rename to...
(compute_frame_pointer_to_fb_displacement): ... this. New
offset parameter. Use it in computation.
(gen_subprogram_die): Compute cfa_fb_offset with the new
macro, and use it to compute the fb loc list and the
displacement.
From-SVN: r111341
