core/com.nokia.carbide.cpp.compiler.doc.user/html/pragmas/p_opt_strength_reduction.htm
author fturovic <frank.turovich@nokia.com>
Mon, 19 Jul 2010 16:13:24 -0500
changeset 1641 2b3996fc09a1
parent 0 fb279309251b
permissions -rw-r--r--
revised x86 compiler dates, graphics, CSS, and release notes

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<h3>opt_strength_reduction</h3>
<p>  Controls the use of strength reduction optimization.  </p>
<h5>Syntax</h5>
  <p class="code">#pragma opt_strength_reduction on | off | reset
  </p>
  <h5>Targets</h5>
  All platforms.<br />
  <h5>Remarks</h5>
  <p>If you enable this pragma, the compiler replaces array element arithmetic instructions with pointer arithmetic instructions to make loops faster.</p>
  <p>This pragma does not correspond to any panel setting. To check this setting, use <span class="code">__option (opt_strength_reduction)</span>, described in <a href="../symbols/sym_settings.htm">Checking Settings</a>. This settings is related to the &ldquo;global_optimizer&rdquo; level.</p>
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