<html lang="en"> <head> <title>D30V-Guarded - Using as</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using as"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="D30V_002dSyntax.html#D30V_002dSyntax" title="D30V-Syntax"> <link rel="prev" href="D30V_002dChars.html#D30V_002dChars" title="D30V-Chars"> <link rel="next" href="D30V_002dRegs.html#D30V_002dRegs" title="D30V-Regs"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991-2015 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled ``GNU Free Documentation License''. --> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="D30V-Guarded"></a> <a name="D30V_002dGuarded"></a> <p> Next: <a rel="next" accesskey="n" href="D30V_002dRegs.html#D30V_002dRegs">D30V-Regs</a>, Previous: <a rel="previous" accesskey="p" href="D30V_002dChars.html#D30V_002dChars">D30V-Chars</a>, Up: <a rel="up" accesskey="u" href="D30V_002dSyntax.html#D30V_002dSyntax">D30V-Syntax</a> <hr> </div> <h5 class="subsubsection">9.10.2.4 Guarded Execution</h5> <p><a name="index-D30V-Guarded-Execution-920"></a><code>as</code> supports the full range of guarded execution directives for each instruction. Just append the directive after the instruction proper. The directives are: <dl> <dt>‘<samp><span class="samp">/tx</span></samp>’<dd>Execute the instruction if flag f0 is true. <br><dt>‘<samp><span class="samp">/fx</span></samp>’<dd>Execute the instruction if flag f0 is false. <br><dt>‘<samp><span class="samp">/xt</span></samp>’<dd>Execute the instruction if flag f1 is true. <br><dt>‘<samp><span class="samp">/xf</span></samp>’<dd>Execute the instruction if flag f1 is false. <br><dt>‘<samp><span class="samp">/tt</span></samp>’<dd>Execute the instruction if both flags f0 and f1 are true. <br><dt>‘<samp><span class="samp">/tf</span></samp>’<dd>Execute the instruction if flag f0 is true and flag f1 is false. </dl> </body></html>