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#### i860 Machine Directives

`.dual`
  Enter dual instruction mode. While this directive is supported, the preferred way to use dual instruction mode is to explicitly code the dual bit with the `d.` prefix.

`.enddual`
  Exit dual instruction mode. While this directive is supported, the preferred way to use dual instruction mode is to explicitly code the dual bit with the `d.` prefix.

`.atmp`
  Change the temporary register used when expanding pseudo operations. The default register is `r31`.