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118 lines
4.7 KiB
HTML
118 lines
4.7 KiB
HTML
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<head>
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<title>Dump output verbosity (GNU Compiler Collection (GCC) Internals)</title>
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<meta name="description" content="Dump output verbosity (GNU Compiler Collection (GCC) Internals)">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Optimization-info.html#Optimization-info" rel="up" title="Optimization info">
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<link href="Dump-types.html#Dump-types" rel="next" title="Dump types">
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<a name="Dump-output-verbosity"></a>
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<p>
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Next: <a href="Dump-types.html#Dump-types" accesskey="n" rel="next">Dump types</a>, Previous: <a href="Dump-files-and-streams.html#Dump-files-and-streams" accesskey="p" rel="prev">Dump files and streams</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>
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</div>
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<hr>
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<a name="Dump-output-verbosity-1"></a>
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<h4 class="subsection">9.6.4 Dump output verbosity</h4>
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<a name="index-dump-verbosity"></a>
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<p>The dump verbosity has the following options
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</p>
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<dl compact="compact">
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<dt>‘<samp>optimized</samp>’</dt>
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<dd><p>Print information when an optimization is successfully applied. It is
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up to a pass to decide which information is relevant. For example, the
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vectorizer passes print the source location of loops which got
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successfully vectorized.
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</p>
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</dd>
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<dt>‘<samp>missed</samp>’</dt>
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<dd><p>Print information about missed optimizations. Individual passes
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control which information to include in the output. For example,
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</p>
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<div class="smallexample">
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<pre class="smallexample">gcc -O2 -ftree-vectorize -fopt-info-vec-missed
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</pre></div>
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<p>will print information about missed optimization opportunities from
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vectorization passes on stderr.
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</p>
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</dd>
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<dt>‘<samp>note</samp>’</dt>
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<dd><p>Print verbose information about optimizations, such as certain
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transformations, more detailed messages about decisions etc.
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</p>
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</dd>
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<dt>‘<samp>all</samp>’</dt>
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<dd><p>Print detailed optimization information. This includes
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<var>optimized</var>, <var>missed</var>, and <var>note</var>.
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</p></dd>
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</dl>
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</body>
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</html>
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