ode> for x86 produces incorrect SIMD code if
<code>-O3</code> is used.  The same compiler produces incorrect SIMD
code if no optimization is used, too.  When using
<code>gcc-3.2</code>, it is a good idea not to change the default
<code>CFLAGS</code> selected by the <code>configure</code> script.  
<p>
Some 3.0.x and 3.1.x versions of <code>gcc</code> on <code>x86</code> may crash.  <code>gcc</code> so-called 2.96 shipping with RedHat 7.3 crashes
when compiling SIMD code.  In both cases, please upgrade to
<c