The attached patch replaces the uses of TREE_NO_WARNING in the LTO front end. The streaming support doesn't extend to multiple bits yet. I plan to do that in a follow-up change.
Add support for per-location warning groups.
gcc/lto/ChangeLog: * gimple-streamer-out.c (output_gimple_stmt): Same. * lto-common.c (compare_tree_sccs_1): Expand use of TREE_NO_WARNING. * lto-streamer-out.c (hash_tree): Same. * tree-streamer-in.c (unpack_ts_base_value_fields): Same. * tree-streamer-out.c (pack_ts_base_value_fields): Same. diff --git a/gcc/gimple-streamer-out.c b/gcc/gimple-streamer-out.c index fcbf92300d4..ae382665218 100644 --- a/gcc/gimple-streamer-out.c +++ b/gcc/gimple-streamer-out.c @@ -73,7 +73,7 @@ output_gimple_stmt (struct output_block *ob, struct function *fn, gimple *stmt) /* Emit the tuple header. */ bp = bitpack_create (ob->main_stream); bp_pack_var_len_unsigned (&bp, gimple_num_ops (stmt)); - bp_pack_value (&bp, gimple_no_warning_p (stmt), 1); + bp_pack_value (&bp, get_no_warning (stmt), 1); if (is_gimple_assign (stmt)) bp_pack_value (&bp, gimple_assign_nontemporal_move_p ( diff --git a/gcc/lto/lto-common.c b/gcc/lto/lto-common.c index 02d16f49c11..4f78c90effb 100644 --- a/gcc/lto/lto-common.c +++ b/gcc/lto/lto-common.c @@ -1110,8 +1110,8 @@ compare_tree_sccs_1 (tree t1, tree t2, tree **map) compare_values (TYPE_UNSIGNED); if (TYPE_P (t1)) compare_values (TYPE_ARTIFICIAL); - else - compare_values (TREE_NO_WARNING); + else if (t1->base.nowarning_flag != t2->base.nowarning_flag) + return false; compare_values (TREE_NOTHROW); compare_values (TREE_STATIC); if (code != TREE_BINFO) diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c index a26d4885800..7fecb958efa 100644 --- a/gcc/lto-streamer-out.c +++ b/gcc/lto-streamer-out.c @@ -1207,7 +1207,7 @@ hash_tree (struct streamer_tree_cache_d *cache, hash_map<tree, hashval_t> *map, if (TYPE_P (t)) hstate.add_flag (TYPE_ARTIFICIAL (t)); else - hstate.add_flag (TREE_NO_WARNING (t)); + hstate.add_flag (get_no_warning (t)); hstate.add_flag (TREE_NOTHROW (t)); hstate.add_flag (TREE_STATIC (t)); hstate.add_flag (TREE_PROTECTED (t)); diff --git a/gcc/tree-streamer-in.c b/gcc/tree-streamer-in.c index 984b1e269cf..fab7c678dae 100644 --- a/gcc/tree-streamer-in.c +++ b/gcc/tree-streamer-in.c @@ -131,7 +131,8 @@ unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr) if (TYPE_P (expr)) TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1); else - TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1); + /* FIXME: set all warning bits. */ + set_no_warning (expr, (unsigned) bp_unpack_value (bp, 1)); TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1); TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1); if (TREE_CODE (expr) != TREE_BINFO) diff --git a/gcc/tree-streamer-out.c b/gcc/tree-streamer-out.c index 1a43534d117..d81ff60bd68 100644 --- a/gcc/tree-streamer-out.c +++ b/gcc/tree-streamer-out.c @@ -104,7 +104,8 @@ pack_ts_base_value_fields (struct bitpack_d *bp, tree expr) if (TYPE_P (expr)) bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1); else - bp_pack_value (bp, TREE_NO_WARNING (expr), 1); + /* FIXME: pack all warning bits. */ + bp_pack_value (bp, get_no_warning (expr), 1); bp_pack_value (bp, TREE_NOTHROW (expr), 1); bp_pack_value (bp, TREE_STATIC (expr), 1); if (TREE_CODE (expr) != TREE_BINFO)