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Hi Sanjay, I observed some extra register spills when applying the reassociation pass on spec2006 benchmarks and I would like to listen to your advice. For example, function get_new_point_on_quad() of tria_boundary.cc in spec2006/dealII has a sequences of code like this . X=a+b . Y=X+c . Z=Y+d . There are many other instructions between these float adds. The reassociation

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