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<h4 class="subsection">21.4.1 x86 Architecture-specific Issues</h4>
<dl>
<dt><code>set struct-convention </code><var>mode</var><dd><a name="index-set-struct_002dconvention-1393"></a><a name="index-struct-return-convention-1394"></a><a name="index-struct_002funion-returned-in-registers-1395"></a>Set the convention used by the inferior to return <code>struct</code>s and
<code>union</code>s from functions to <var>mode</var>. Possible values of
<var>mode</var> are <code>"pcc"</code>, <code>"reg"</code>, and <code>"default"</code> (the
default). <code>"default"</code> or <code>"pcc"</code> means that <code>struct</code>s
are returned on the stack, while <code>"reg"</code> means that a
<code>struct</code> or a <code>union</code> whose size is 1, 2, 4, or 8 bytes will
be returned in a register.
<br><dt><code>show struct-convention</code><dd><a name="index-show-struct_002dconvention-1396"></a>Show the current setting of the convention to return <code>struct</code>s
from functions.
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