[OpenCL patch] Vector logical operations

Please review a patch implementing support for vector logical operations in
OpenCL. It's based on Tanya's patch [1], with Peter's suggestions [2]
applied.

Many thanks,
Anton.

[1] http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-March/013926.html
[2] http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-March/014263.html

vector_logops.patch (8.19 KB)