[Bug rtl-optimization/21485] [4.0/4.1/4.2 Regression] codegen regression due to PRE increasing register pressure

[dberlin at gcc dot gnu dot org]

------- Comment #14 from dberlin at gcc dot gnu dot org  2006-02-16 19:46 
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So uh, has anyone figured out why we don't get 1500 with -fno-tree-pre?

Does -fno-gcse help too?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21485