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Previous: <a href="RTL-passes.html#RTL-passes" accesskey="p" rel="prev">RTL passes</a>, Up: <a href="Passes.html#Passes" accesskey="u" rel="up">Passes</a> &nbsp; [<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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<h3 class="section">9.7 Optimization info</h3>

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<p>This section is describes dump infrastructure which is common to both
pass dumps as well as optimization dumps. The goal for this
infrastructure is to provide both gcc developers and users detailed
information about various compiler transformations and optimizations.
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<tr><td align="left" valign="top">&bull; <a href="Dump-setup.html#Dump-setup" accesskey="1">Dump setup</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Setup of optimization dumps.
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<tr><td align="left" valign="top">&bull; <a href="Optimization-groups.html#Optimization-groups" accesskey="2">Optimization groups</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Groups made up of optimization passes.
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<tr><td align="left" valign="top">&bull; <a href="Dump-files-and-streams.html#Dump-files-and-streams" accesskey="3">Dump files and streams</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Dump output file names and streams.
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<tr><td align="left" valign="top">&bull; <a href="Dump-output-verbosity.html#Dump-output-verbosity" accesskey="4">Dump output verbosity</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">How much information to dump.
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<tr><td align="left" valign="top">&bull; <a href="Dump-types.html#Dump-types" accesskey="5">Dump types</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Various types of dump functions.
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<tr><td align="left" valign="top">&bull; <a href="Dump-examples.html#Dump-examples" accesskey="6">Dump examples</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Sample usage.
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