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+<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.
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+
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