* config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.

	* config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.
	(DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so
	that addition of sfp doesn't change these.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
	REG_ALLOC_ORDER): Add sfp.
	(INT_REGNO_P): Include FRAME_POINTER_REGNUM.
	(FRAME_POINTER_REGNUM): Define to 113.
	(HARD_FRAME_POINTER_REGNUM): Define to 31.
	(REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add sfp.
	(STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD.
	(ELIMINABLE_REGS): Never eliminate to
	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
	instead.  Add eliminations from FRAME_POINTER_REGNUM.
	(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P):
	Include FRAME_POINTER_REGNUM.
	(REGISTER_NAMES): Add sfp.
	* config/rs6000/rs6000.c (rs6000_reg_names): Add sfp.
	(alt_reg_names): Likewise.
	(rs6000_stack_info): Handle FRAME_GROWS_DOWNWARD.
	(rs6000_emit_prologue): Use HARD_FRAME_POINTER_REGNUM
	instead of FRAME_POINTER_REGNUM.
	(rs6000_initial_elimination_offset): Never eliminate to
	FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
	instead.  Add elimination offsets from FRAME_POINTER_REGNUM.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101467 138bc75d-0d04-0410-961f-82ee72b054a4