+ var_seen[name] = 1;
+ print "#ifdef GENERATOR_FILE"
+ print "extern " var_type(flags[i]) name ";"
+ print "#else"
+ print " " var_type(flags[i]) "x_" name ";"
+ print "#define " name " global_options.x_" name
+ print "#endif"
+}
+for (i = 0; i < n_opts; i++) {
+ name = static_var(opts[i], flags[i]);
+ if (name != "") {
+ print "#ifndef GENERATOR_FILE"
+ print " " var_type(flags[i]) "x_" name ";"
+ print "#define x_" name " do_not_use"
+ print "#endif"
+ }
+}
+for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("SetByCombined", flags[i])) {
+ print "#ifndef GENERATOR_FILE"
+ print " bool frontend_set_" var_name(flags[i]) ";"
+ print "#endif"
+ }
+}
+print "#ifndef GENERATOR_FILE"
+print "};"
+print "extern struct gcc_options global_options;"
+print "extern const struct gcc_options global_options_init;"
+print "extern struct gcc_options global_options_set;"
+print "#define target_flags_explicit global_options_set.x_target_flags"
+print "#endif"
+print "#endif"
+print ""
+
+# All of the optimization switches gathered together so they can be saved and restored.
+# This will allow attribute((cold)) to turn on space optimization.
+
+# Change the type of normal switches from int to unsigned char to save space.
+# Also, order the structure so that pointer fields occur first, then int
+# fields, and then char fields to provide the best packing.
+
+print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
+print ""
+print "/* Structure to save/restore optimization and target specific options. */";
+print "struct GTY(()) cl_optimization";
+print "{";
+
+n_opt_char = 2;
+n_opt_short = 0;
+n_opt_int = 0;
+n_opt_enum = 1;
+n_opt_other = 0;
+var_opt_char[0] = "unsigned char x_optimize";
+var_opt_char[1] = "unsigned char x_optimize_size";
+var_opt_enum[0] = "enum fp_contract_mode x_flag_fp_contract_mode";
+
+for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("Optimization", flags[i])) {
+ name = var_name(flags[i])
+ if(name == "")
+ continue;
+
+ if(name in var_opt_seen)
+ continue;
+
+ var_opt_seen[name]++;
+ otype = var_type_struct(flags[i]);
+ if (otype ~ "^((un)?signed +)?int *$")
+ var_opt_int[n_opt_int++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_opt_short[n_opt_short++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?char *$")
+ var_opt_char[n_opt_char++] = otype "x_" name;
+
+ else if (otype ~ ("^enum +[_" alnum "]+ *$"))
+ var_opt_enum[n_opt_enum++] = otype "x_" name;
+
+ else
+ var_opt_other[n_opt_other++] = otype "x_" name;
+ }
+}
+
+for (i = 0; i < n_opt_other; i++) {
+ print " " var_opt_other[i] ";";
+}
+
+for (i = 0; i < n_opt_int; i++) {
+ print " " var_opt_int[i] ";";
+}
+
+for (i = 0; i < n_opt_enum; i++) {
+ print " " var_opt_enum[i] ";";
+}
+
+for (i = 0; i < n_opt_short; i++) {
+ print " " var_opt_short[i] ";";
+}
+
+for (i = 0; i < n_opt_char; i++) {
+ print " " var_opt_char[i] ";";
+}
+
+print "};";
+print "";
+
+# Target and optimization save/restore/print functions.
+print "/* Structure to save/restore selected target specific options. */";
+print "struct GTY(()) cl_target_option";
+print "{";
+
+n_target_char = 0;
+n_target_short = 0;
+n_target_int = 0;
+n_target_enum = 0;
+n_target_other = 0;
+
+for (i = 0; i < n_target_save; i++) {
+ if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
+ var_target_int[n_target_int++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
+ var_target_short[n_target_short++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
+ var_target_char[n_target_char++] = target_save_decl[i];
+
+ else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
+ var_target_enum[n_target_enum++] = target_save_decl[i];
+ }
+ else
+ var_target_other[n_target_other++] = target_save_decl[i];
+}
+
+if (have_save) {
+ for (i = 0; i < n_opts; i++) {
+ if (flag_set_p("Save", flags[i])) {
+ name = var_name(flags[i])
+ if(name == "")
+ name = "target_flags";
+
+ if(name in var_save_seen)
+ continue;
+
+ var_save_seen[name]++;
+ otype = var_type_struct(flags[i])
+ if (otype ~ "^((un)?signed +)?int *$")
+ var_target_int[n_target_int++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?short *$")
+ var_target_short[n_target_short++] = otype "x_" name;
+
+ else if (otype ~ "^((un)?signed +)?char *$")
+ var_target_char[n_target_char++] = otype "x_" name;
+
+ else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
+ var_target_enum[n_target_enum++] = otype "x_" name;
+
+ else
+ var_target_other[n_target_other++] = otype "x_" name;
+ }
+ }
+} else {
+ var_target_int[n_target_int++] = "int x_target_flags";
+}
+
+for (i = 0; i < n_target_other; i++) {
+ print " " var_target_other[i] ";";
+}
+
+for (i = 0; i < n_target_enum; i++) {
+ print " " var_target_enum[i] ";";
+}
+
+for (i = 0; i < n_target_int; i++) {
+ print " " var_target_int[i] ";";
+}
+
+for (i = 0; i < n_target_short; i++) {
+ print " " var_target_short[i] ";";
+}
+
+for (i = 0; i < n_target_char; i++) {
+ print " " var_target_char[i] ";";
+}
+
+print "};";
+print "";
+print "";
+print "/* Save optimization variables into a structure. */"
+print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
+print "";
+print "/* Restore optimization variables from a structure. */";
+print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
+print "";
+print "/* Print optimization variables from a structure. */";
+print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
+print "";
+print "/* Save selected option variables into a structure. */"
+print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
+print "";
+print "/* Restore selected option variables from a structure. */"
+print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
+print "";
+print "/* Print target option variables from a structure. */";
+print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
+print "#endif";
+print "";