gcc/gcc ChangeLog config/s390/s390-protos.h co ...

[uweigand@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	uweigand@gcc.gnu.org	2005-10-19 11:20:48

Modified files:
	gcc            : ChangeLog 
	gcc/config/s390: s390-protos.h s390.c s390.h 

Log message:
	* config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
	* config/s390/s390.c (s390_hard_regno_rename_ok): New function.
	(s390_can_eliminate): Handle BASE_REGNUM elimination.
	(s390_initial_elimination_offset): Likewise.
	(s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
	register on TARGET_ZARCH targets.
	* config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
	(INITIAL_FRAME_POINTER_OFFSET): Remove.
	(REG_ALLOC_ORDER): Move BASE_REGNUM lower.
	(ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10185&r2=2.10186
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390-protos.h.diff?cvsroot=gcc&r1=1.76&r2=1.77
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390.c.diff?cvsroot=gcc&r1=1.259&r2=1.260
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390.h.diff?cvsroot=gcc&r1=1.145&r2=1.146