[Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.

[canqun at nudt dot edu dot cn]

------- Additional Comments From canqun at nudt dot edu dot cn  2005-07-14 
15:25 -------
(In reply to comment #13)
> Fixed.

Performance test on IA-64 recently show that loop unrolling with '-fweb' and '-
frename-registers" turned on can take nearly the same effectiveness as with 
the giv splitting.

Very thanks to Steven Bosscher, Zdenek Dvorak, Andrew Pinski, and all other 
GCC developers.

Canqun Yang

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20376