[Bug fortran/31593] Invariant DO loop variables and subroutines

[tobi at gcc dot gnu dot org]

------- Comment #24 from tobi at gcc dot gnu dot org  2009-08-14 22:38 -------
(In reply to comment #23)

That's sad.  I'm guessing that everytime it enters one of the inner loops, it
has to deal with the fact that the upper bound escaped.  A way without all the
copying would be to set the DO variable to upper bound+1 after the loop, but
before the exit label.

I have a patch in the pipeline which makes INTENT(IN) arguments const pointers,
but that wouldn't suffice either.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31593