removed wrong instructions with traps on overflow

[libfirm] / ir / be / bemain.c

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index 41f20a0..51dcb5c 100644 (file)
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -145,23 +145,39 @@ void be_opt_register(void)
 #ifdef WITH_LIBCORE
        int i;
        lc_opt_entry_t *be_grp_ra;
+       static int run_once = 0;
+
+       if (! run_once) {
+               run_once    = 1;
+               be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
+               be_grp_ra   = lc_opt_get_grp(be_grp_root, "ra");
+
+               lc_opt_add_table(be_grp_root, be_main_options);
+
+               /* register allocator options */
+               for(i = 0; ra_items[i].name != NULL; ++i) {
+                       const be_ra_t *ra = ra_items[i].value;
+                       ra->register_options(be_grp_ra);
+               }
+
+               /* register isa options */
+               for(i = 0; isa_items[i].name != NULL; ++i) {
+                       const arch_isa_if_t *isa = isa_items[i].value;
+                       isa->register_options(be_grp_root);
+               }
+       }
+#endif /* WITH_LIBCORE */
+}
 
-       be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
-       be_grp_ra   = lc_opt_get_grp(be_grp_root, "ra");
-
-       lc_opt_add_table(be_grp_root, be_main_options);
+static int be_opt_error_handler(const char *prefix, const lc_opt_err_info_t *err)
+{
 
-       /* register allocator options */
-       for(i = 0; ra_items[i].name != NULL; ++i) {
-               const be_ra_t *ra = ra_items[i].value;
-               ra->register_options(be_grp_ra);
-       }
+}
 
-       /* register isa options */
-       for(i = 0; isa_items[i].name != NULL; ++i) {
-               const arch_isa_if_t *isa = isa_items[i].value;
-               isa->register_options(be_grp_root);
-       }
+/* Parse one argument. */
+int be_parse_arg(const char *arg) {
+#ifdef WITH_LIBCORE
+       return lc_opt_from_single_arg(be_grp_root, NULL, arg, be_opt_error_handler);
 #endif /* WITH_LIBCORE */
 }
 
@@ -212,7 +228,7 @@ static void be_done_env(be_main_env_t *env)
 }
 
 static void dump(int mask, ir_graph *irg, const char *suffix,
-                                void (*dumper)(ir_graph *, const char *))
+                 void (*dumper)(ir_graph *, const char *))
 {
        if(dump_flags & mask)
                be_dump(irg, suffix, dumper);
@@ -312,7 +328,7 @@ static void be_main_loop(FILE *file_handle)
                dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
 
                /* add Keeps for should_be_different constrained nodes */
-               // assure_constraints(&birg);
+               assure_constraints(&birg);
                dump(DUMP_PREPARED, irg, "-assured", dump_ir_block_graph);
 
                /* Schedule the graphs. */