[Bug tree-optimization/23855] loop header should also be pulled out of the inner loop too

rakdver at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Sun Jan 15 20:15:00 GMT 2006



------- Comment #8 from rakdver at gcc dot gnu dot org  2006-01-15 20:15 -------
Unswitching the condition (i < ie) (plus empty loop removal) would produce this
code.  Nevertheless, this is a fairly common case, so perhaps it might make
sense to special-case it in loop header copying (for performance reasons).


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23855



More information about the Gcc-bugs mailing list