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<h4 class="subsection">3.17.36 RL78 Options</h4>
<p><a name="index-RL78-Options-2194"></a>
<dl>
<dt><code>-msim</code><dd><a name="index-msim-2195"></a>Links in additional target libraries to support operation within a
simulator.
<br><dt><code>-mmul=none</code><dt><code>-mmul=g13</code><dt><code>-mmul=rl78</code><dd><a name="index-mmul-2196"></a>Specifies the type of hardware multiplication support to be used. The
default is ‘<samp><span class="samp">none</span></samp>’, which uses software multiplication functions.
The ‘<samp><span class="samp">g13</span></samp>’ option is for the hardware multiply/divide peripheral
only on the RL78/G13 targets. The ‘<samp><span class="samp">rl78</span></samp>’ option is for the
standard hardware multiplication defined in the RL78 software manual.
<br><dt><code>-m64bit-doubles</code><dt><code>-m32bit-doubles</code><dd><a name="index-m64bit_002ddoubles-2197"></a><a name="index-m32bit_002ddoubles-2198"></a>Make the <code>double</code> data type be 64 bits (<samp><span class="option">-m64bit-doubles</span></samp>)
or 32 bits (<samp><span class="option">-m32bit-doubles</span></samp>) in size. The default is
<samp><span class="option">-m32bit-doubles</span></samp>.
</dl>
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