* config/pdp11/pdp11-protos.md (arith_operand,
const_immediate_operand, expand_shift_operand,
immediate15_operand): Delete
* config/pdp11/pdp11.c: Ditto.
* config/pdp11/pdp11.h (REG_CLASS_FROM_LETTER,
CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
EXTRA_CONSTRAINT): Delete.
* config/pdp11/pdp11.md (various): Use standard constraints
instead of removed ones.
* config/pdp11/constraints.md: New file.
* config/pdp11/predicates.md: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165784 138bc75d-0d04-0410-961f-82ee72b054a4