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

[bonzini at gcc dot gnu dot org]

------- Additional Comments From bonzini at gcc dot gnu dot org  2004-12-28 
18:48 -------
Interestingly, on arm-elf the hog is CSE, because each copy of b is given a
different pseudo.

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