[Bug rtl-optimization/19097] [3.4/4.0/4.1/4.2 regression] Quadratic behavior with many sets for the same register in gcse CPROP

[steven at gcc dot gnu dot org]

------- Comment #31 from steven at gcc dot gnu dot org  2006-01-08 16:14 -------
Re. the timings in comment #29, I should have said that my GCC 3.3 was
bootstrapped, but the GCC 4.0 and GCC 4.1 I used were built with "-O0 -g".  I
added 3.3 numbers for "ballpark" reference, not for actual comparison.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19097