gcc/gcc ChangeLog config/sh/sh.c config/sh/sh.h

[kkojima@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	sh-elf-4_1-branch
Changes by:	kkojima@gcc.gnu.org	2005-07-20 03:18:17

Modified files:
	gcc            : ChangeLog 
	gcc/config/sh  : sh.c sh.h 

Log message:
	* config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
	soft frame pointer.
	(sh_expand_prologue): Use hard_frame_pointer_rtx instead
	of frame_pointer_rtx.
	(sh_expand_epilogue): Likewise.
	(sh_set_return_address): Likewise.
	(initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
	instead of FRAME_POINTER_REGNUM if needed.  Add elimination
	offsets from FRAME_POINTER_REGNUM.
	* config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
	(sh_register_names): Add initializer for sfp.
	(GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
	(VALID_REGISTER_P): Likewise.
	(FIRST_PSEUDO_REGISTER): Update.
	(DWARF_FRAME_REGISTERS): Define.
	(FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
	(HARD_FRAME_POINTER_REGNUM): Define.
	(FRAME_POINTER_REGNUM): Redefine.
	(ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
	but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
	from FRAME_POINTER_REGNUM.
	(CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
	FRAME_POINTER_REGNUM.
	(REG_CLASS_CONTENTS): Add sfp.
	(REG_ALLOC_ORDER): Likewise.
	(FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
	(GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
	of frame_pointer_rtx.
	(LEGITIMIZE_RELOAD_ADDRESS): Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=2.8142.2.26&r2=2.8142.2.27
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.c.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.319.2.7&r2=1.319.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.h.diff?cvsroot=gcc&only_with_tag=sh-elf-4_1-branch&r1=1.262.2.6&r2=1.262.2.7