[Bug tree-optimization/40770] Vectorization of complex types, vectorization of sincos missing

burnus at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Thu Jul 16 13:32:00 GMT 2009



------- Comment #4 from burnus at gcc dot gnu dot org  2009-07-16 13:32 -------
(In reply to comment #3)
> Yes - there is no vector type for complex double.  But the vectorizer
> could query for a vector type for the complex component type (double)
> and divide the vector element count by 2 (for complex) to get the
> vectorization factor which would be 1 here.

I do not know much about this, but wouldn't that fail if one wants to vectorize
true complex functions such as ccosf (assuming that they are in principle
vectorizable)?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40770



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