------- Comment #2 from irar at il dot ibm dot com 2008-11-22 15:08 ------- (In reply to comment #1) > This bug is shamefully incomplete. There is no way anyone willing to give > this > a look can know what to look for. > For example, a few things one would have to know before he/she can even begin > to consider whether/how to analyze the problem: > 1. What is the target where you see this? > 2. What compiler flags are you using? -O3
> 3. Where do you look for the number of iterations (which dump)? vectorizer's dump > 4. What "missed-optimization" does this cause (something not vectorized)? the loop is not vectorized because the number of iterations is unknown > Please read http://gcc.gnu.org/bugs.html#report before filing more bugs. -- irar at il dot ibm dot com changed: What |Removed |Added ---------------------------------------------------------------------------- GCC build triplet| |x86_64-suse-linux GCC host triplet| |x86_64-suse-linux GCC target triplet| |x86_64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37416