23fed240a4
* config/m32c/shift.md: Rewrite: Allow arbitrary operands for shift counts, separate SI shifts for m32c vs m16c, pass shift type so that constant shifts can be split. * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6. (m32c_valid_pointer_mode): Make static. (shift_gen_func_for): New. (m32c_prepare_shift): Use it. Split large const shifts into multiple shifts. * config/m32c/predicates.md (shiftcount_operand): Allow more general operands. (longshiftcount_operand): New. * doc/md.texi (Machine Constraints): Document In6. From-SVN: r109661
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