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core/com.nokia.carbide.cpp.compiler.doc.user/html/pragmas_x86/p_struct_reg_return.htm
author Deepak Modgil <Deepak.Modgil@Nokia.com>
Fri, 03 Apr 2009 23:33:03 +0100
changeset 0 fb279309251b
child 1641 2b3996fc09a1
permissions -rw-r--r--
DP tools release version Revision: 200912

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<h3>struct_reg_return</h3>
<p>  Controls how small structs are returned from a function.</p>
<h5>Syntax</h5>
  <p class="code">#pragma struct_reg_return on | off | reset</p>
  <h5>Targets</h5>
  Intel x86<br />
  <h5>Remarks</h5>
  <p>structs are returned as follows:</p>
  <ul>
    <li>on &ndash; structs of size 1, 2, 4, or 8-bytes are returned in registers AL, AX, EAX, or EDX:EAX respectively</li>
    <li>off &ndash; always returns structs on the stack in space allocated by the caller</li>
  </ul>
  <p>The default setting is on.<br />
</p>
  <div id="footer">Copyright &copy; 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. <br>License: <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a></div>


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FCL/sftools/dev/ide/carbidecpp