[Bug optimization/14042] C++ abstraction penalty is high in simple cases

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Mon Feb 9 19:08:00 GMT 2004


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-02-09 19:08 -------
Just a note here for  Segher, the structs should be copied before the loop and copied 
back after the loop so aliasing problems and such should not matter at all and gcc should 
optimize this code which it does for the scaler version but not on the tree level which will 
help the vector version.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14042



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