* 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
