[Bug rtl-optimization/33928] [4.3/4.4/4.5 Regression] 30% performance slowdown in floating-point code caused by r118475

[bonzini at gnu dot org]

------- Comment #76 from bonzini at gnu dot org  2009-05-07 16:37 -------
It should be possible to modify fwprop to avoid excessive memory usage (doing
its own dataflow, basically, instead of using UD chains)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928