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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gccint/Dump-examples.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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diff --git a/share/doc/gccint/Dump-examples.html b/share/doc/gccint/Dump-examples.html new file mode 100644 index 0000000..3b65b2a --- /dev/null +++ b/share/doc/gccint/Dump-examples.html @@ -0,0 +1,128 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 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. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>GNU Compiler Collection (GCC) Internals: Dump examples</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Dump examples"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Dump examples"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Optimization-info.html#Optimization-info" rel="up" title="Optimization info"> +<link href="poly_005fint.html#poly_005fint" rel="next" title="poly_int"> +<link href="Dump-types.html#Dump-types" rel="previous" title="Dump types"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Dump-examples"></a> +<div class="header"> +<p> +Previous: <a href="Dump-types.html#Dump-types" accesskey="p" rel="previous">Dump types</a>, Up: <a href="Optimization-info.html#Optimization-info" accesskey="u" rel="up">Optimization info</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Dump-examples-1"></a> +<h4 class="subsection">9.7.6 Dump examples</h4> +<a name="index-dump-examples"></a> + +<div class="smallexample"> +<pre class="smallexample">gcc -O3 -fopt-info-missed=missed.all +</pre></div> + +<p>outputs missed optimization report from all the passes into +<samp>missed.all</samp>. +</p> +<p>As another example, +</p><div class="smallexample"> +<pre class="smallexample">gcc -O3 -fopt-info-inline-optimized-missed=inline.txt +</pre></div> + +<p>will output information about missed optimizations as well as +optimized locations from all the inlining passes into +<samp>inline.txt</samp>. +</p> +<p>If the <var>filename</var> is provided, then the dumps from all the +applicable optimizations are concatenated into the <samp>filename</samp>. +Otherwise the dump is output onto <samp>stderr</samp>. If <var>options</var> is +omitted, it defaults to <samp>optimized-optall</samp>, which means dump +all information about successful optimizations from all the passes. +In the following example, the optimization information is output on +to <samp>stderr</samp>. +</p> +<div class="smallexample"> +<pre class="smallexample">gcc -O3 -fopt-info +</pre></div> + +<p>Note that <samp>-fopt-info-vec-missed</samp> behaves the same as +<samp>-fopt-info-missed-vec</samp>. The order of the optimization group +names and message types listed after <samp>-fopt-info</samp> does not matter. +</p> +<p>As another example, consider +</p> +<div class="smallexample"> +<pre class="smallexample">gcc -fopt-info-vec-missed=vec.miss -fopt-info-loop-optimized=loop.opt +</pre></div> + +<p>Here the two output file names <samp>vec.miss</samp> and <samp>loop.opt</samp> are +in conflict since only one output file is allowed. In this case, only +the first option takes effect and the subsequent options are +ignored. Thus only the <samp>vec.miss</samp> is produced which containts +dumps from the vectorizer about missed opportunities. +</p> + + +</body> +</html> |