You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

81 lines
3.8 KiB
HTML

<html lang="en">
<head>
<title>Optimization groups - GNU Compiler Collection (GCC) Internals</title>
<meta http-equiv="Content-Type" content="text/html">
<meta name="description" content="GNU Compiler Collection (GCC) Internals">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="up" href="Optimization-info.html#Optimization-info" title="Optimization info">
<link rel="prev" href="Dump-setup.html#Dump-setup" title="Dump setup">
<link rel="next" href="Dump-files-and-streams.html#Dump-files-and-streams" title="Dump files and streams">
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
<!--
Copyright (C) 1988-2015 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 the
Invariant Sections being ``Funding Free Software'', the Front-Cover
Texts being (a) (see below), and with the Back-Cover Texts being (b)
(see below). A copy of the license is included in the section entitled
``GNU Free Documentation License''.
(a) The FSF's Front-Cover Text is:
A GNU Manual
(b) The FSF's Back-Cover Text is:
You have freedom to copy and modify this GNU Manual, like GNU
software. Copies published by the Free Software Foundation raise
funds for GNU development.-->
<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="Optimization-groups"></a>
<p>
Next:&nbsp;<a rel="next" accesskey="n" href="Dump-files-and-streams.html#Dump-files-and-streams">Dump files and streams</a>,
Previous:&nbsp;<a rel="previous" accesskey="p" href="Dump-setup.html#Dump-setup">Dump setup</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="Optimization-info.html#Optimization-info">Optimization info</a>
<hr>
</div>
<h4 class="subsection">9.7.2 Optimization groups</h4>
<p><a name="index-optimization-groups-1697"></a>The optimization passes are grouped into several categories. Currently
defined categories in <samp><span class="file">dumpfile.h</span></samp> are
<dl>
<dt><code>OPTGROUP_IPA</code><a name="index-OPTGROUP_005fIPA-1698"></a><dd>IPA optimization passes. Enabled by <samp><span class="option">-ipa</span></samp>
<br><dt><code>OPTGROUP_LOOP</code><a name="index-OPTGROUP_005fLOOP-1699"></a><dd>Loop optimization passes. Enabled by <samp><span class="option">-loop</span></samp>.
<br><dt><code>OPTGROUP_INLINE</code><a name="index-OPTGROUP_005fINLINE-1700"></a><dd>Inlining passes. Enabled by <samp><span class="option">-inline</span></samp>.
<br><dt><code>OPTGROUP_VEC</code><a name="index-OPTGROUP_005fVEC-1701"></a><dd>Vectorization passes. Enabled by <samp><span class="option">-vec</span></samp>.
<br><dt><code>OPTGROUP_OTHER</code><a name="index-OPTGROUP_005fOTHER-1702"></a><dd>All other optimization passes which do not fall into one of the above.
<br><dt><code>OPTGROUP_ALL</code><a name="index-OPTGROUP_005fALL-1703"></a><dd>All optimization passes. Enabled by <samp><span class="option">-all</span></samp>.
</dl>
<p>By using groups a user could selectively enable optimization
information only for a group of passes. By default, the optimization
information for all the passes is dumped.
</body></html>