[Bug tree-optimization/18046] Missed jump threading optimization

[steven at gcc dot gnu dot org]

------- Additional Comments From steven at gcc dot gnu dot org  2004-10-18 13:22 -------
Might I propose we don't deal with this as an enhancement
request but as a "normal" bug?  Killing the jump threader
in cfgcleanup.c would be a mighty feat, it's one of the
slowest parts of the cfgcleanup on RTL (and IIRC it's one
of the quadratic bottleneckt).

Otherwise, perhaps I should (have) add(ed) the compile
time hog keyword...

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18046