s390.c: (legitimize_la_operand): Remove, replace by ...

	* config/s390/s390.c: (legitimize_la_operand): Remove, replace by ...
	(s390_load_address): ... this new function.
	(s390_decompose_address): Allow the argument pointer and all
	virtual registers as 'pointer' registers.
	(s390_expand_plus_operand): Use s390_load_address.
	config/s390/s390.md (movti, movdi, movdf splitters): Likewise.
	("force_la_31"): New insn pattern.
	config/s390/s390-protos.h (legitimize_la_operand): Remove.
	(s390_load_address): Add prototype.

	* config/s390/s390.c: Include "optabs.h".
	(s390_expand_movstr, s390_expand_clrstr, s390_expand_cmpstr): New.
	config/s390/s390-protos.h (s390_expand_movstr, s390_expand_clrstr,
	s390_expand_cmpstr): Add prototypes.
	config/s390/s390.md ("movstrdi", "movstrsi"): Call s390_expand_movstr.
	("movstrdi_short"): Rename to "movstr_short_64".  Change predicates
	for operands 0 and 1 to "memory_operand".  Add type attribute.
	("movstrsi_short"): Rename to "movstr_short_31".  Change predicates
	for operands 0 and 1 to "memory_operand".  Add type attribute.
	("movstrdi_long", "movstrsi_long"): Remove.
	("movstrdi_64"): Rename to "movstr_long_64". Add type attribute.
	("movstrsi_31"): Rename to "movstr_long_31". Add type attribute.
	("clrstrdi", "clrstrsi"): Call s390_expand_clrstr.
	("clrstrsico"): Remove, replace by ...
	("clrstr_short_64", "clrstr_short_31"): ... these new patterns.
	("clrstrsi_64"): Rename to "clrstr_long_64".
	("clrstrsi_31"): Rename to "clrstr_long_31".
	("cmpstrdi", "cmpstrsi"): Call s390_expand_cmpstr.
	("cmpstr_const"): Remove, replace by ...
	("cmpstr_short_64", "cmpstr_short_31"): ... these new patterns.
	("cmpstr_64"): Rename to "cmpstr_long_64".
	("cmpstr_31"): Rename to "cmpstr_long_31".

From-SVN: r57191

gcc/ChangeLog

+2002-09-16  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* config/s390/s390.c: (legitimize_la_operand): Remove, replace by ...
+	(s390_load_address): ... this new function.
+	(s390_decompose_address): Allow the argument pointer and all
+	virtual registers as 'pointer' registers.
+	(s390_expand_plus_operand): Use s390_load_address.
+	config/s390/s390.md (movti, movdi, movdf splitters): Likewise.
+	("force_la_31"): New insn pattern.
+	config/s390/s390-protos.h (legitimize_la_operand): Remove.
+	(s390_load_address): Add prototype.
+
+	* config/s390/s390.c: Include "optabs.h".
+	(s390_expand_movstr, s390_expand_clrstr, s390_expand_cmpstr): New.
+	config/s390/s390-protos.h (s390_expand_movstr, s390_expand_clrstr, 
+	s390_expand_cmpstr): Add prototypes.
+	config/s390/s390.md ("movstrdi", "movstrsi"): Call s390_expand_movstr.
+	("movstrdi_short"): Rename to "movstr_short_64".  Change predicates
+	for operands 0 and 1 to "memory_operand".  Add type attribute.
+	("movstrsi_short"): Rename to "movstr_short_31".  Change predicates
+	for operands 0 and 1 to "memory_operand".  Add type attribute.
+	("movstrdi_long", "movstrsi_long"): Remove.
+	("movstrdi_64"): Rename to "movstr_long_64". Add type attribute.
+	("movstrsi_31"): Rename to "movstr_long_31". Add type attribute.
+	("clrstrdi", "clrstrsi"): Call s390_expand_clrstr.
+	("clrstrsico"): Remove, replace by ...
+	("clrstr_short_64", "clrstr_short_31"): ... these new patterns.
+	("clrstrsi_64"): Rename to "clrstr_long_64".
+	("clrstrsi_31"): Rename to "clrstr_long_31".
+	("cmpstrdi", "cmpstrsi"): Call s390_expand_cmpstr.
+	("cmpstr_const"): Remove, replace by ...
+	("cmpstr_short_64", "cmpstr_short_31"): ... these new patterns.
+	("cmpstr_64"): Rename to "cmpstr_long_64".
+	("cmpstr_31"): Rename to "cmpstr_long_31".
+
 2002-09-16  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* ABOUT-NLS: Follow spelling conventions.

gcc/config/s390/s390-protos.h

@@ -49,7 +49,6 @@ extern enum machine_mode s390_tm_ccmode PARAMS ((rtx, rtx, int));
 extern enum machine_mode s390_select_ccmode PARAMS ((enum rtx_code, rtx, rtx));
 extern int symbolic_reference_mentioned_p PARAMS ((rtx));
 extern int legitimate_la_operand_p PARAMS ((rtx));
-extern rtx legitimize_la_operand PARAMS ((rtx));
 extern int legitimate_pic_operand_p PARAMS ((rtx));
 extern int legitimate_constant_p PARAMS ((rtx));
 extern int legitimate_reload_constant_p PARAMS ((rtx));
@@ -61,6 +60,10 @@ extern enum reg_class s390_secondary_input_reload_class PARAMS ((enum reg_class,
 extern int s390_plus_operand PARAMS ((rtx, enum machine_mode));
 extern void s390_expand_plus_operand PARAMS ((rtx, rtx, rtx));
 extern void emit_pic_move PARAMS ((rtx *, enum machine_mode));
+extern void s390_load_address PARAMS ((rtx, rtx));
+extern void s390_expand_movstr PARAMS ((rtx, rtx, rtx));
+extern void s390_expand_clrstr PARAMS ((rtx, rtx));
+extern void s390_expand_cmpstr PARAMS ((rtx, rtx, rtx, rtx));
 
 extern void s390_output_symbolic_const PARAMS ((FILE *, rtx));
 extern void print_operand_address PARAMS ((FILE *, rtx));