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(as.info)D30V-Opts

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D30V Options
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   The Mitsubishi D30V version of `as' has a few machine dependent
options.

`-O'
     The D30V can often execute two sub-instructions in parallel. When
     this option is used, `as' will attempt to optimize its output by
     detecting when instructions can be executed in parallel.

`-n'
     When this option is used, `as' will issue a warning every time it
     adds a nop instruction.

`-N'
     When this option is used, `as' will issue a warning if it needs to
     insert a nop after a 32-bit multiply before a load or 16-bit
     multiply instruction.