e7d77cf92d
This removes output_isel. Instead, the define_insn's now output the isel instructions directly. It adds a reg_or_zero operand predicate, too, because the reg_or_cint predicate is too lax here. Also use it in the "reversed" variants of the instructions. * config/rs6000/predicates.md (zero_constant, all_ones_constant): Move up in file. (reg_or_cint_operand): Fix comment. (reg_or_zero_operand): New predicate. * config/rs6000/rs6000-protos.h (output_isel): Delete. * config/rs6000/rs6000.c (output_isel): Delete. * config/rs6000/rs6000.md (isel_signed_<mode>): Use reg_or_zero_operand instead of reg_or_cint_operand. Output instruction directly (not via output_isel). (isel_unsigned_<mode>): Ditto. (*isel_reversed_signed_<mode>): Use reg_or_zero_operand instead of gpc_reg_operand. Add an instruction alternative for this. Output instruction directly. (*isel_reversed_unsigned_<mode>): Ditto. From-SVN: r253665
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