[Bug tree-optimization/15524] [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases

[stevenb at suse dot de]

------- Additional Comments From stevenb at suse dot de  2004-11-01 21:22 -------
Subject: Re:  [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases


I don't know about jump threading, but edge splitting in such code
is very likely because we pre-split all critical edges for GVN-PRE
and I can imagine that in such interpreter-like code you'd have lots
of critical edges.  But maybe not...




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15524