101 lines
6.2 KiB
HTML
101 lines
6.2 KiB
HTML
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<title>Using the GNU Compiler Collection (GCC): Directly-mapped Integer Functions</title>
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<p>
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Next: <a href="Directly_002dmapped-Media-Functions.html#Directly_002dmapped-Media-Functions" accesskey="n" rel="next">Directly-mapped Media Functions</a>, Previous: <a href="Argument-Types.html#Argument-Types" accesskey="p" rel="prev">Argument Types</a>, Up: <a href="FR_002dV-Built_002din-Functions.html#FR_002dV-Built_002din-Functions" accesskey="u" rel="up">FR-V Built-in Functions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Directly_002dMapped-Integer-Functions"></a>
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<h4 class="subsubsection">6.59.12.2 Directly-Mapped Integer Functions</h4>
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<p>The functions listed below map directly to FR-V I-type instructions.
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</p>
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<table>
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<tr><td width="45%">Function prototype</td><td width="32%">Example usage</td><td width="23%">Assembly output</td></tr>
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<tr><td width="45%"><code>sw1 __ADDSS (sw1, sw1)</code></td><td width="32%"><code><var>c</var> = __ADDSS (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>ADDSS <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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<tr><td width="45%"><code>sw1 __SCAN (sw1, sw1)</code></td><td width="32%"><code><var>c</var> = __SCAN (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SCAN <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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<tr><td width="45%"><code>sw1 __SCUTSS (sw1)</code></td><td width="32%"><code><var>b</var> = __SCUTSS (<var>a</var>)</code></td><td width="23%"><code>SCUTSS <var>a</var>,<var>b</var></code></td></tr>
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<tr><td width="45%"><code>sw1 __SLASS (sw1, sw1)</code></td><td width="32%"><code><var>c</var> = __SLASS (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SLASS <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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<tr><td width="45%"><code>void __SMASS (sw1, sw1)</code></td><td width="32%"><code>__SMASS (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SMASS <var>a</var>,<var>b</var></code></td></tr>
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<tr><td width="45%"><code>void __SMSSS (sw1, sw1)</code></td><td width="32%"><code>__SMSSS (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SMSSS <var>a</var>,<var>b</var></code></td></tr>
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<tr><td width="45%"><code>void __SMU (sw1, sw1)</code></td><td width="32%"><code>__SMU (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SMU <var>a</var>,<var>b</var></code></td></tr>
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<tr><td width="45%"><code>sw2 __SMUL (sw1, sw1)</code></td><td width="32%"><code><var>c</var> = __SMUL (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SMUL <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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<tr><td width="45%"><code>sw1 __SUBSS (sw1, sw1)</code></td><td width="32%"><code><var>c</var> = __SUBSS (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>SUBSS <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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<tr><td width="45%"><code>uw2 __UMUL (uw1, uw1)</code></td><td width="32%"><code><var>c</var> = __UMUL (<var>a</var>, <var>b</var>)</code></td><td width="23%"><code>UMUL <var>a</var>,<var>b</var>,<var>c</var></code></td></tr>
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</table>
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