[Bug c++/35386] Invalid vector code generated with -O2

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2008-02-26 23:20 -------
You are violating C/C++ aliasing rules:

typedef float v4sf __attribute__ ((vector_size(16)));
 v4sf vSum;
 complex<float> *vp = (complex<float> *) &vSum;
...

   spectra[4*j] = vp[0];
   spectra[4*j+2] = vp[1];


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |normal
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35386