[Bug tree-optimization/55662] SLP vectorization of sqrt fails if in a loop

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55662



--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-12 
14:18:04 UTC ---

27: not vectorized: no vectype for stmt: _4 = va[i_34];

 scalar_type: float32x8_t



The vectorizer does not handle loops that already have vector types.

And basic-block vectorization isn't clever enough to scan all of the

starting points of the basic-block (that code needs a rewrite).