function names, file names and line numbers (by such tools as gdb or addr2line).
Debug info for variables or function parameters is not produced, which reduces
the size of the resulting binary.
+
+ <li><tt>-ftls-model</tt> controls which TLS model to use for thread-local
+ variables. This can be overridden per variable using the
+ <a href="#tlsmodel"><tt>tls_model</tt> attribute</a> mentioned above.
+ For more details, see the <a href="UsersManual.html#opt_ftls-model">User's
+ Manual</a>.</li>
</ul>
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regardless of whether the target ISA has a trap instruction. This option is
useful for environments (e.g. deeply embedded) where a trap cannot be properly
handled, or when some custom behavior is desired.</dd>
+
+<dt id="opt_ftls-model"><b>-ftls-model=[model]</b>: Select which TLS model to
+use.</dt>
+<dd>Valid values are: <tt>global-dynamic</tt>, <tt>local-dynamic</tt>,
+<tt>initial-exec</tt> and <tt>local-exec</tt>. The default value is
+<tt>global-dynamic</tt>. The compiler may use a different model if the selected
+model is not supported by the target, or if a more efficient model can be used.
+The TLS model can be overridden per variable using the <tt>tls_model</tt>
+attribute.
+</dd>
</dl>
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