------- Comment #3 from kes at smolek dot com 2008-02-27 01:50 ------- Subject: Re: Invalid vector code generated with -O2
Oops. Sorry for the false alarm. But shouldn't there be an error, or at least a warning? pinskia at gcc dot gnu dot org wrote: > ------- 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]; > > > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35386
