* config/i386/i386.md (*addqi_2): Do not assert operands... (*add<mode>_2): Macroize insn from *add<mode>_2 and... (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3. (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4... (*add<mode>_5): Macroize insn from *add<mode>_5 and...