http://d.puremagic.com/issues/show_bug.cgi?id=4383



--- Comment #2 from Don <clugd...@yahoo.com.au> 2010-06-24 12:52:21 PDT ---
(In reply to comment #1)
> Sounds like a prime case for a keyhole optimization. Does DMD have the
> infrastructure in place to do that?

Yes, there's pinholeopt() in cod3.c. But this optimisation should be done
earlier.
Although it seems as though you could replace:
fstp XXX; fld XXX;  with fst XXX; there's unfortunately no fst instruction for
80-bit reals, and for doubles and floats it can change the rounding.

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