2003-07-22  Eric Christopher <echristo@redhat.com>

	* config/s390.c (s390_valid_pointer_mode): New.
	(TARGET_VALID_POINTER_MODE): Use.
	(s390_emit_prologue): Add tpf profiling hooks.
	(s390_emit_epilogue): Ditto.
	* config/s390.h (MASK_TPF): New.
	(TARGET_TPF): Use.
	(POINTERS_EXTEND_UNSIGNED): Define.
	* config/s390.md (ptr_extend): New pattern.

From-SVN: r69674