gcc does not unroll loops && does not skip unnecessary if-blocks??????

[Jens-Peter Dittrich]

Hi!

egcs-2.91.66

Linux dittrich 2.2.12-20 #9 Wed Dec 22 15:27:47 CET 1999 i686 unknown (Red Hat)



1.) gcc does not seem to be able to unroll a simple loop!

                        for(int i=0; i< dim; i++){
                                a[i] = b[i]*3.123;
                        }   ÂÂ