http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51693
--- Comment #5 from Ira Rosen <irar at il dot ibm.com> 2011-12-28 13:11:53 UTC --- (In reply to comment #4) > In vect-peel-3.c we actually assume that vector length is 16 byte. Here is the > loop body: > suma += ia[i]; > sumb += ib[i+5]; > sumc += ic[i+1]; > When vector-size is 16, then peeling can make two of three accesses aligned, > but when vector size is 32 that's impossible. That's why using > vector_sizes_32B_16B might be correct here. Ah, now I understand. I was confused by vect_aligned_arrays, and it's irrelevant here, right? Yes, vector_sizes_32B_16B seems to be ok in that case. Thanks, Ira
