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95 lines
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95 lines
6.1 KiB
HTML
4 years ago
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<title>Directly-mapped Integer Functions - Using the GNU Compiler Collection (GCC)</title>
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<meta name="description" content="Using the GNU Compiler Collection (GCC)">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="FR_002dV-Built_002din-Functions.html#FR_002dV-Built_002din-Functions" title="FR-V Built-in Functions">
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<link rel="prev" href="Argument-Types.html#Argument-Types" title="Argument Types">
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<link rel="next" href="Directly_002dmapped-Media-Functions.html#Directly_002dmapped-Media-Functions" title="Directly-mapped Media Functions">
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Copyright (C) 1988-2015 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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(see below). A copy of the license is included in the section entitled
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``GNU Free Documentation License''.
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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</head>
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<body>
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<div class="node">
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<a name="Directly-mapped-Integer-Functions"></a>
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<a name="Directly_002dmapped-Integer-Functions"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Directly_002dmapped-Media-Functions.html#Directly_002dmapped-Media-Functions">Directly-mapped Media Functions</a>,
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Previous: <a rel="previous" accesskey="p" href="Argument-Types.html#Argument-Types">Argument Types</a>,
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Up: <a rel="up" accesskey="u" href="FR_002dV-Built_002din-Functions.html#FR_002dV-Built_002din-Functions">FR-V Built-in Functions</a>
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<hr>
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</div>
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<h5 class="subsubsection">6.58.11.2 Directly-Mapped Integer Functions</h5>
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<p>The functions listed below map directly to FR-V I-type instructions.
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<p><table summary=""><tr align="left"><td valign="top" width="45%">Function prototype </td><td valign="top" width="32%">Example usage </td><td valign="top" width="23%">Assembly output
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw1 __ADDSS (sw1, sw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __ADDSS (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>ADDSS </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw1 __SCAN (sw1, sw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __SCAN (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SCAN </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw1 __SCUTSS (sw1)</code>
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</td><td valign="top" width="32%"><var>b</var><code> = __SCUTSS (</code><var>a</var><code>)</code>
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</td><td valign="top" width="23%"><code>SCUTSS </code><var>a</var><code>,</code><var>b</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw1 __SLASS (sw1, sw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __SLASS (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SLASS </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>void __SMASS (sw1, sw1)</code>
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</td><td valign="top" width="32%"><code>__SMASS (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SMASS </code><var>a</var><code>,</code><var>b</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>void __SMSSS (sw1, sw1)</code>
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</td><td valign="top" width="32%"><code>__SMSSS (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SMSSS </code><var>a</var><code>,</code><var>b</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>void __SMU (sw1, sw1)</code>
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</td><td valign="top" width="32%"><code>__SMU (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SMU </code><var>a</var><code>,</code><var>b</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw2 __SMUL (sw1, sw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __SMUL (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SMUL </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>sw1 __SUBSS (sw1, sw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __SUBSS (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>SUBSS </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr><tr align="left"><td valign="top" width="45%"><code>uw2 __UMUL (uw1, uw1)</code>
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</td><td valign="top" width="32%"><var>c</var><code> = __UMUL (</code><var>a</var><code>, </code><var>b</var><code>)</code>
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</td><td valign="top" width="23%"><code>UMUL </code><var>a</var><code>,</code><var>b</var><code>,</code><var>c</var>
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<br></td></tr></table>
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</body></html>
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