On Wed, Jul 25, 2012 at 2:23 PM, Allan Sandfeld Jensen <carew...@gmail.com> wrote: > Hi, > > I have been experimenting with marking specific functions to be auto- > vectorized in GCC, but have had problems getting it to work. > > It seems the optimize attribute works sometimes, but only if the function it > is used on is not static, but pragma optimize never seems to work. > > See the attached test-case. If you compile it with -ftree-vectorizer-verbose, > you will see that only the first function is vectorized, but the two last are > not. > > Anyone know what is wrong here?
The attribute doesn't work in the face of inlining and generally was designed for debugging, not for controlling things like you do. Richard. > Best regards > `Allan
