<html lang="en"> <head> <title>i386-Chars - 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="i386_002dSyntax.html#i386_002dSyntax" title="i386-Syntax"> <link rel="prev" href="i386_002dVariations.html#i386_002dVariations" title="i386-Variations"> <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="i386-Chars"></a> <a name="i386_002dChars"></a> <p> Previous: <a rel="previous" accesskey="p" href="i386_002dVariations.html#i386_002dVariations">i386-Variations</a>, Up: <a rel="up" accesskey="u" href="i386_002dSyntax.html#i386_002dSyntax">i386-Syntax</a> <hr> </div> <h5 class="subsubsection">9.15.3.2 Special Characters</h5> <p><a name="index-line-comment-character_002c-i386-1072"></a><a name="index-i386-line-comment-character-1073"></a>The presence of a ‘<samp><span class="samp">#</span></samp>’ appearing anywhere on a line indicates the start of a comment that extends to the end of that line. <p>If a ‘<samp><span class="samp">#</span></samp>’ appears as the first character of a line then the whole line is treated as a comment, but in this case the line can also be a logical line number directive (see <a href="Comments.html#Comments">Comments</a>) or a preprocessor control command (see <a href="Preprocessing.html#Preprocessing">Preprocessing</a>). <p>If the <samp><span class="option">--divide</span></samp> command line option has not been specified then the ‘<samp><span class="samp">/</span></samp>’ character appearing anywhere on a line also introduces a line comment. <p><a name="index-line-separator_002c-i386-1074"></a><a name="index-statement-separator_002c-i386-1075"></a><a name="index-i386-line-separator-1076"></a>The ‘<samp><span class="samp">;</span></samp>’ character can be used to separate statements on the same line. </body></html>