1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- This file documents the GNU Assembler "as". 4 5Copyright (C) 1991-2021 Free Software Foundation, Inc. 6 7Permission is granted to copy, distribute and/or modify this document 8under the terms of the GNU Free Documentation License, Version 1.3 9or any later version published by the Free Software Foundation; 10with no Invariant Sections, with no Front-Cover Texts, and with no 11Back-Cover Texts. A copy of the license is included in the 12section entitled "GNU Free Documentation License". 13 --> 14<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 15<head> 16<title>Using as: Dc</title> 17 18<meta name="description" content="Using as: Dc"> 19<meta name="keywords" content="Using as: Dc"> 20<meta name="resource-type" content="document"> 21<meta name="distribution" content="global"> 22<meta name="Generator" content="makeinfo"> 23<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 24<link href="index.html#Top" rel="start" title="Top"> 25<link href="AS-Index.html#AS-Index" rel="index" title="AS Index"> 26<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 27<link href="Pseudo-Ops.html#Pseudo-Ops" rel="up" title="Pseudo Ops"> 28<link href="Dcb.html#Dcb" rel="next" title="Dcb"> 29<link href="Data.html#Data" rel="previous" title="Data"> 30<style type="text/css"> 31<!-- 32a.summary-letter {text-decoration: none} 33blockquote.smallquotation {font-size: smaller} 34div.display {margin-left: 3.2em} 35div.example {margin-left: 3.2em} 36div.indentedblock {margin-left: 3.2em} 37div.lisp {margin-left: 3.2em} 38div.smalldisplay {margin-left: 3.2em} 39div.smallexample {margin-left: 3.2em} 40div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 41div.smalllisp {margin-left: 3.2em} 42kbd {font-style:oblique} 43pre.display {font-family: inherit} 44pre.format {font-family: inherit} 45pre.menu-comment {font-family: serif} 46pre.menu-preformatted {font-family: serif} 47pre.smalldisplay {font-family: inherit; font-size: smaller} 48pre.smallexample {font-size: smaller} 49pre.smallformat {font-family: inherit; font-size: smaller} 50pre.smalllisp {font-size: smaller} 51span.nocodebreak {white-space:nowrap} 52span.nolinebreak {white-space:nowrap} 53span.roman {font-family:serif; font-weight:normal} 54span.sansserif {font-family:sans-serif; font-weight:normal} 55ul.no-bullet {list-style: none} 56--> 57</style> 58 59 60</head> 61 62<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 63<a name="Dc"></a> 64<div class="header"> 65<p> 66Next: <a href="Dcb.html#Dcb" accesskey="n" rel="next">Dcb</a>, Previous: <a href="Data.html#Data" accesskey="p" rel="previous">Data</a>, Up: <a href="Pseudo-Ops.html#Pseudo-Ops" accesskey="u" rel="up">Pseudo Ops</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> 67</div> 68<hr> 69<a name="g_t_002edc_005bsize_005d-expressions"></a> 70<h3 class="section">7.14 <code>.dc[<var>size</var>] <var>expressions</var></code></h3> 71<a name="index-dc-directive"></a> 72 73<p>The <code>.dc</code> directive expects zero or more <var>expressions</var> separated by 74commas. These expressions are evaluated and their values inserted into the 75current section. The size of the emitted value depends upon the suffix to the 76<code>.dc</code> directive: 77</p> 78<dl compact="compact"> 79<dt><code>‘<samp>.a</samp>’</code></dt> 80<dd><p>Emits N-bit values, where N is the size of an address on the target system. 81</p></dd> 82<dt><code>‘<samp>.b</samp>’</code></dt> 83<dd><p>Emits 8-bit values. 84</p></dd> 85<dt><code>‘<samp>.d</samp>’</code></dt> 86<dd><p>Emits double precision floating-point values. 87</p></dd> 88<dt><code>‘<samp>.l</samp>’</code></dt> 89<dd><p>Emits 32-bit values. 90</p></dd> 91<dt><code>‘<samp>.s</samp>’</code></dt> 92<dd><p>Emits single precision floating-point values. 93</p></dd> 94<dt><code>‘<samp>.w</samp>’</code></dt> 95<dd><p>Emits 16-bit values. 96Note - this is true even on targets where the <code>.word</code> directive would emit 9732-bit values. 98</p></dd> 99<dt><code>‘<samp>.x</samp>’</code></dt> 100<dd><p>Emits long double precision floating-point values. 101</p></dd> 102</dl> 103 104<p>If no suffix is used then ‘<samp>.w</samp>’ is assumed. 105</p> 106<p>The byte ordering is target dependent, as is the size and format of floating 107point values. 108</p> 109 110 111 112</body> 113</html> 114