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64 lines
2.8 KiB
HTML
64 lines
2.8 KiB
HTML
15 years ago
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<title>D30V-Guarded - Using as</title>
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<meta name="description" content="Using as">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="D30V_002dSyntax.html#D30V_002dSyntax" title="D30V-Syntax">
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<link rel="prev" href="D30V_002dChars.html#D30V_002dChars" title="D30V-Chars">
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<link rel="next" href="D30V_002dRegs.html#D30V_002dRegs" title="D30V-Regs">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
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2006, 2007 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 1.1
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled ``GNU Free Documentation License''.
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</head>
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<body>
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<div class="node">
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<p>
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<a name="D30V_002dGuarded"></a>Next: <a rel="next" accesskey="n" href="D30V_002dRegs.html#D30V_002dRegs">D30V-Regs</a>,
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Previous: <a rel="previous" accesskey="p" href="D30V_002dChars.html#D30V_002dChars">D30V-Chars</a>,
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Up: <a rel="up" accesskey="u" href="D30V_002dSyntax.html#D30V_002dSyntax">D30V-Syntax</a>
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<hr><br>
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</div>
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<h5 class="subsubsection">9.9.2.4 Guarded Execution</h5>
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<p><a name="index-D30V-Guarded-Execution-764"></a><code>as</code> supports the full range of guarded execution
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directives for each instruction. Just append the directive after the
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instruction proper. The directives are:
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<dl>
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<dt><span class="samp">/tx</span><dd>Execute the instruction if flag f0 is true.
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<br><dt><span class="samp">/fx</span><dd>Execute the instruction if flag f0 is false.
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<br><dt><span class="samp">/xt</span><dd>Execute the instruction if flag f1 is true.
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<br><dt><span class="samp">/xf</span><dd>Execute the instruction if flag f1 is false.
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<br><dt><span class="samp">/tt</span><dd>Execute the instruction if both flags f0 and f1 are true.
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<br><dt><span class="samp">/tf</span><dd>Execute the instruction if flag f0 is true and flag f1 is false.
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</dl>
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</body></html>
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