rs6000.h (DBX_REGISTER_NUMBER): Pass format argument to rs6000_dbx_register_number.
* config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Pass format argument
to rs6000_dbx_register_number.
(DWARF_FRAME_REGNUM): Redefine as identity map.
(DWARF2_FRAME_REG_OUT): Call rs6000_dbx_register_number.
* config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Update.
* config/rs6000/rs6000.c (rs6000_dbx_register_number): Add format
argument to handle .debug_frame and .eh_frame directly. Always
translate SPE high register numbers. Add special treatment for CR,
but only in .debug_frame. Respect RS6000_USE_DWARF_NUMBERING.