blob: a1a830b641b60fc9891f52d3aa7223d2275857c6 [file] [log] [blame]
<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, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2006, 2007, 2008, 2009, 2010 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>
<link rel="stylesheet" type="text/css" href="../cs.css">
</head>
<body>
<div class="node">
<a name="D30V-Guarded"></a>
<a name="D30V_002dGuarded"></a>
<p>
Next:&nbsp;<a rel="next" accesskey="n" href="D30V_002dRegs.html#D30V_002dRegs">D30V-Regs</a>,
Previous:&nbsp;<a rel="previous" accesskey="p" href="D30V_002dChars.html#D30V_002dChars">D30V-Chars</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="D30V_002dSyntax.html#D30V_002dSyntax">D30V-Syntax</a>
<hr>
</div>
<h5 class="subsubsection">9.9.2.4 Guarded Execution</h5>
<p><a name="index-D30V-Guarded-Execution-791"></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>&lsquo;<samp><span class="samp">/tx</span></samp>&rsquo;<dd>Execute the instruction if flag f0 is true.
<br><dt>&lsquo;<samp><span class="samp">/fx</span></samp>&rsquo;<dd>Execute the instruction if flag f0 is false.
<br><dt>&lsquo;<samp><span class="samp">/xt</span></samp>&rsquo;<dd>Execute the instruction if flag f1 is true.
<br><dt>&lsquo;<samp><span class="samp">/xf</span></samp>&rsquo;<dd>Execute the instruction if flag f1 is false.
<br><dt>&lsquo;<samp><span class="samp">/tt</span></samp>&rsquo;<dd>Execute the instruction if both flags f0 and f1 are true.
<br><dt>&lsquo;<samp><span class="samp">/tf</span></samp>&rsquo;<dd>Execute the instruction if flag f0 is true and flag f1 is false.
</dl>
</body></html>