C++ compile time (again)

[Wolfgang Bangerth]

> > I thought the same, but then what's going on? No SSA used and still
> > roughly 20% slower?
>
> Gimplification tends to create lots more RTL for the back end to go
> through.  We need to address that.

So you just discovered the reason for 2/3 of the slowdown I observed :-)

W.

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Wolfgang Bangerth              email:            bangerth@ices.utexas.edu
                               www: http://www.ices.utexas.edu/~bangerth/