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<title>Using the GNU Compiler Collection (GCC): FR-V Built-in Functions</title>
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<a name="FR_002dV-Built_002din-Functions"></a>
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<p>
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Next: <a href="MIPS-DSP-Built_002din-Functions.html#MIPS-DSP-Built_002din-Functions" accesskey="n" rel="next">MIPS DSP Built-in Functions</a>, Previous: <a href="Blackfin-Built_002din-Functions.html#Blackfin-Built_002din-Functions" accesskey="p" rel="prev">Blackfin Built-in Functions</a>, Up: <a href="Target-Builtins.html#Target-Builtins" accesskey="u" rel="up">Target Builtins</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="FR_002dV-Built_002din-Functions-1"></a>
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<h4 class="subsection">6.59.12 FR-V Built-in Functions</h4>
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<p>GCC provides many FR-V-specific built-in functions. In general,
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these functions are intended to be compatible with those described
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by <cite>FR-V Family, Softune C/C++ Compiler Manual (V6), Fujitsu
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Semiconductor</cite>. The two exceptions are <code>__MDUNPACKH</code> and
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<code>__MBTOHE</code>, the GCC forms of which pass 128-bit values by
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pointer rather than by value.
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</p>
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<p>Most of the functions are named after specific FR-V instructions.
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Such functions are said to be “directly mapped” and are summarized
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here in tabular form.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="Argument-Types.html#Argument-Types" accesskey="1">Argument Types</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Directly_002dmapped-Integer-Functions.html#Directly_002dmapped-Integer-Functions" accesskey="2">Directly-mapped Integer Functions</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Directly_002dmapped-Media-Functions.html#Directly_002dmapped-Media-Functions" accesskey="3">Directly-mapped Media Functions</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Raw-read_002fwrite-Functions.html#Raw-read_002fwrite-Functions" accesskey="4">Raw read/write Functions</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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<tr><td align="left" valign="top">• <a href="Other-Built_002din-Functions.html#Other-Built_002din-Functions" accesskey="5">Other Built-in Functions</a>:</td><td> </td><td align="left" valign="top">
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</td></tr>
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