On Fri, 13 Sep 2013, Richard Biener wrote: > @@ -1691,6 +1695,12 @@ common_handle_option (struct gcc_options > opts->x_flag_ipa_reference = false; > break; > > + case OPT_ftree_vectorize: > + if (!opts_set->x_flag_tree_loop_vectorize) > + opts->x_flag_tree_loop_vectorize = value; > + if (!opts_set->x_flag_tree_slp_vectorize) > + opts->x_flag_tree_slp_vectorize = value; > + break; > > doesn't look obviously correct. Does that handle
It looks right to me. The general principle is that the more specific option takes precedence over the less specific one, whatever the order on the command line. > -ftree-vectorize -fno-tree-loop-vectorize -ftree-vectorize Should mean -ftree-slp-vectorize. > -ftree-loop-vectorize -fno-tree-vectorize Should mean -ftree-loop-vectorize. > -ftree-slp-vectorize -fno-tree-vectorize Should mean -ftree-slp-vectorize. -- Joseph S. Myers jos...@codesourcery.com
