toolchain/share/doc/as.html/Constants.html

63 lines
2.5 KiB
HTML
Raw Normal View History

2024-01-10 05:24:32 +00:00
<html lang="en">
<head>
<title>Constants - 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="Syntax.html#Syntax" title="Syntax">
<link rel="prev" href="Statements.html#Statements" title="Statements">
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
<!--
This file documents the GNU Assembler "as".
Copyright (C) 1991-2019 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="Constants"></a>
<p>
Previous:&nbsp;<a rel="previous" accesskey="p" href="Statements.html#Statements">Statements</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="Syntax.html#Syntax">Syntax</a>
<hr>
</div>
<h3 class="section">3.6 Constants</h3>
<p><a name="index-constants-141"></a>A constant is a number, written so that its value is known by
inspection, without knowing any context. Like this:
<pre class="smallexample"> .byte 74, 0112, 092, 0x4A, 0X4a, 'J, '\J # All the same value.
.ascii "Ring the bell\7" # A string constant.
.octa 0x123456789abcdef0123456789ABCDEF0 # A bignum.
.float 0f-314159265358979323846264338327\
95028841971.693993751E-40 # - pi, a flonum.
</pre>
<ul class="menu">
<li><a accesskey="1" href="Characters.html#Characters">Characters</a>: Character Constants
<li><a accesskey="2" href="Numbers.html#Numbers">Numbers</a>: Number Constants
</ul>
</body></html>