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c17815e5
2015 Oct 01
2
Register Spill Caused by the Reassociation pass
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