Some code come from output_zdepi.
(output_zdepi): Removed. (depi_cint_operand): New name for zdepi_operand.
(consec_zeros_p, and_operand, ior_mask_p, ior_operand,
output_and, output_ior): New functions.
(output_load_address): Removed.  Nothing uses it.

From-SVN: r2115