8.7.1 D30V Options
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.