This fixes PR53098. Committed as obvious.
Richard. 2012-04-24 Richard Guenther <rguent...@suse.de> PR tree-optimization/53098 * tree-vect-loop.c (vect_analyze_loop_operations): Fixup comparison sign. Index: gcc/tree-vect-loop.c =================================================================== --- gcc/tree-vect-loop.c (revision 186751) +++ gcc/tree-vect-loop.c (working copy) @@ -1411,7 +1411,7 @@ vect_analyze_loop_operations (loop_vec_i if ((LOOP_VINFO_NITERS_KNOWN_P (loop_vinfo) && (LOOP_VINFO_INT_NITERS (loop_vinfo) < vectorization_factor)) || ((max_niter = max_stmt_executions_int (loop)) != -1 - && max_niter < vectorization_factor)) + && (unsigned HOST_WIDE_INT) max_niter < vectorization_factor)) { if (vect_print_dump_info (REPORT_UNVECTORIZED_LOCATIONS)) fprintf (vect_dump, "not vectorized: iteration count too small.");