S/390: Revert setmem pattern folding
This does not work without:
https://gcc.gnu.org/ml/gcc-patches/2016-02/msg01575.html
2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Revert
2016-03-01 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/constraints.md ("jm8"): New constraint.
* config/s390/predicates.md ("const_int_8bitset_operand"): New predicate.
* config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
into ...
("*setmem_long<setmem_and>"): New pattern.
("*setmem_long_31z", "*setmem_long_and_31z"): Merge
into ...
("*setmem_long_31z<setmem_and>"): New pattern.
* config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
New substitution rules with the required attributes.
From-SVN: r233854