[Bug tree-optimization/13875] [tree-ssa] missed jump thread optimization on the tree-level

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-05-26 14:38 -------
(In reply to comment #19)
> The non-optimal code at 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13875#c14
> seems to be caused by the way the fron-end handles bools, specifically
> all bools are cast to int before being used in an "if" and the 
> optimizers are not able to remove these casts.
> (see PR15017, comment #5)

And this problem should be fixed now with the improvement to forward propagation.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13875