install.texi: Add doc for --enable-checking=df.
2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com> * doc/install.texi: Add doc for --enable-checking=df. From-SVN: r131685
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@ -1,3 +1,7 @@
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2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
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* doc/install.texi: Add doc for --enable-checking=df.
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2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
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PR rtl-optimization/34808
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@ -1271,12 +1271,12 @@ checks available are @samp{yes} (most common checks
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all), @samp{all} (all but @samp{valgrind}), @samp{release} (cheapest
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checks @samp{assert,runtime}) or @samp{none} (same as @samp{no}).
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Individual checks can be enabled with these flags @samp{assert},
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@samp{fold}, @samp{gc}, @samp{gcac} @samp{misc}, @samp{rtl},
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@samp{df}, @samp{fold}, @samp{gc}, @samp{gcac} @samp{misc}, @samp{rtl},
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@samp{rtlflag}, @samp{runtime}, @samp{tree}, and @samp{valgrind}.
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The @samp{valgrind} check requires the external @command{valgrind}
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simulator, available from @uref{http://valgrind.org/}. The
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@samp{rtl}, @samp{gcac} and @samp{valgrind} checks are very expensive.
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@samp{df}, @samp{rtl}, @samp{gcac} and @samp{valgrind} checks are very expensive.
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To disable all checking, @samp{--disable-checking} or
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@samp{--enable-checking=none} must be explicitly requested. Disabling
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assertions will make the compiler and runtime slightly faster but
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