toolchain/share/doc/as.html/Integers.html

67 lines
3.3 KiB
HTML
Raw Normal View History

2024-01-10 05:24:32 +00:00
<html lang="en">
<head>
<title>Integers - 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="Numbers.html#Numbers" title="Numbers">
<link rel="next" href="Bignums.html#Bignums" title="Bignums">
<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="Integers"></a>
<p>
Next:&nbsp;<a rel="next" accesskey="n" href="Bignums.html#Bignums">Bignums</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="Numbers.html#Numbers">Numbers</a>
<hr>
</div>
<h5 class="subsubsection">3.6.2.1 Integers</h5>
<p><a name="index-integers-171"></a><a name="index-constants_002c-integer-172"></a>
<a name="index-binary-integers-173"></a><a name="index-integers_002c-binary-174"></a>A binary integer is &lsquo;<samp><span class="samp">0b</span></samp>&rsquo; or &lsquo;<samp><span class="samp">0B</span></samp>&rsquo; followed by zero or more of
the binary digits &lsquo;<samp><span class="samp">01</span></samp>&rsquo;.
<p><a name="index-octal-integers-175"></a><a name="index-integers_002c-octal-176"></a>An octal integer is &lsquo;<samp><span class="samp">0</span></samp>&rsquo; followed by zero or more of the octal
digits (&lsquo;<samp><span class="samp">01234567</span></samp>&rsquo;).
<p><a name="index-decimal-integers-177"></a><a name="index-integers_002c-decimal-178"></a>A decimal integer starts with a non-zero digit followed by zero or
more digits (&lsquo;<samp><span class="samp">0123456789</span></samp>&rsquo;).
<p><a name="index-hexadecimal-integers-179"></a><a name="index-integers_002c-hexadecimal-180"></a>A hexadecimal integer is &lsquo;<samp><span class="samp">0x</span></samp>&rsquo; or &lsquo;<samp><span class="samp">0X</span></samp>&rsquo; followed by one or
more hexadecimal digits chosen from &lsquo;<samp><span class="samp">0123456789abcdefABCDEF</span></samp>&rsquo;.
<p>Integers have the usual values. To denote a negative integer, use
the prefix operator &lsquo;<samp><span class="samp">-</span></samp>&rsquo; discussed under expressions
(see <a href="Prefix-Ops.html#Prefix-Ops">Prefix Operators</a>).
</body></html>