* gcc.dg/const-elim-1.c: Remove xfail for xtensa-*-*.

[pf3gnuchains/gcc-fork.git] / gcc / c-opts.c

diff --git a/gcc/c-opts.c b/gcc/c-opts.c
index 128c83a..ebf23e5 100644 (file)
--- a/gcc/c-opts.c
+++ b/gcc/c-opts.c
@@ -460,10 +460,27 @@ c_common_handle_option (size_t scode, const char *arg, int value)
       cpp_opts->warn_multichar = value;
       break;
 
+    case OPT_Wnormalized_:
+      if (!value || (arg && strcasecmp (arg, "none") == 0))
+       cpp_opts->warn_normalize = normalized_none;
+      else if (!arg || strcasecmp (arg, "nfkc") == 0)
+       cpp_opts->warn_normalize = normalized_KC;
+      else if (strcasecmp (arg, "id") == 0)
+       cpp_opts->warn_normalize = normalized_identifier_C;
+      else if (strcasecmp (arg, "nfc") == 0)
+       cpp_opts->warn_normalize = normalized_C;
+      else
+       error ("argument %qs to %<-Wnormalized%> not recognized", arg);
+      break;
+
     case OPT_Wreturn_type:
       warn_return_type = value;
       break;
 
+    case OPT_Wstrict_null_sentinel:
+      warn_strict_null_sentinel = value;
+      break;
+
     case OPT_Wsystem_headers:
       cpp_opts->warn_system_headers = value;
       break;
@@ -537,7 +554,7 @@ c_common_handle_option (size_t scode, const char *arg, int value)
     case OPT_fvtable_thunks:
     case OPT_fxref:
     case OPT_fvtable_gc:
-      warning ("switch %qs is no longer supported", option->opt_text);
+      warning (0, "switch %qs is no longer supported", option->opt_text);
       break;
 
     case OPT_faccess_control:
@@ -650,7 +667,7 @@ c_common_handle_option (size_t scode, const char *arg, int value)
       break;
 
     case OPT_fhandle_exceptions:
-      warning ("-fhandle-exceptions has been renamed -fexceptions (and is now on by default)");
+      warning (0, "-fhandle-exceptions has been renamed -fexceptions (and is now on by default)");
       flag_exceptions = value;
       break;
 
@@ -966,17 +983,17 @@ c_common_post_options (const char **pfilename)
   /* Special format checking options don't work without -Wformat; warn if
      they are used.  */
   if (warn_format_y2k && !warn_format)
-    warning ("-Wformat-y2k ignored without -Wformat");
+    warning (0, "-Wformat-y2k ignored without -Wformat");
   if (warn_format_extra_args && !warn_format)
-    warning ("-Wformat-extra-args ignored without -Wformat");
+    warning (0, "-Wformat-extra-args ignored without -Wformat");
   if (warn_format_zero_length && !warn_format)
-    warning ("-Wformat-zero-length ignored without -Wformat");
+    warning (0, "-Wformat-zero-length ignored without -Wformat");
   if (warn_format_nonliteral && !warn_format)
-    warning ("-Wformat-nonliteral ignored without -Wformat");
+    warning (0, "-Wformat-nonliteral ignored without -Wformat");
   if (warn_format_security && !warn_format)
-    warning ("-Wformat-security ignored without -Wformat");
+    warning (0, "-Wformat-security ignored without -Wformat");
   if (warn_missing_format_attribute && !warn_format)
-    warning ("-Wmissing-format-attribute ignored without -Wformat");
+    warning (0, "-Wmissing-format-attribute ignored without -Wformat");
 
   /* C99 requires special handling of complex multiplication and division;
      -ffast-math and -fcx-limited-range are handled in process_options.  */
@@ -1083,22 +1100,24 @@ c_common_parse_file (int set_yydebug)
   yydebug = set_yydebug;
 #else
   if (set_yydebug)
-    warning ("YYDEBUG was not defined at build time, -dy ignored");
+    warning (0, "YYDEBUG was not defined at build time, -dy ignored");
 #endif
 
   i = 0;
   for (;;)
     {
-      /* Start the main input file */
-      (*debug_hooks->start_source_file) (0, this_input_filename);
+      /* Start the main input file, if the debug writer wants it. */
+      if (debug_hooks->start_end_main_source_file)
+       (*debug_hooks->start_source_file) (0, this_input_filename);
       finish_options ();
       pch_init ();
       push_file_scope ();
       c_parse_file ();
       finish_file ();
       pop_file_scope ();
-      /* And end the main input file.  */
-      (*debug_hooks->end_source_file) (0);
+      /* And end the main input file, if the debug writer wants it  */
+      if (debug_hooks->start_end_main_source_file)
+       (*debug_hooks->end_source_file) (0);
       if (++i >= num_in_fnames)
        break;
       cpp_undef_all (parse_in);
@@ -1287,7 +1306,10 @@ finish_options (void)
     {
       size_t i;
 
-      cpp_change_file (parse_in, LC_RENAME, _("<built-in>"));
+      cb_file_change (parse_in,
+                     linemap_add (&line_table, LC_RENAME, 0,
+                                  _("<built-in>"), 0));
+
       cpp_init_builtins (parse_in, flag_hosted);
       c_cpp_builtins (parse_in);
 
@@ -1385,7 +1407,7 @@ void
 cb_dir_change (cpp_reader * ARG_UNUSED (pfile), const char *dir)
 {
   if (!set_src_pwd (dir))
-    warning ("too late for # directive to set debug directory");
+    warning (0, "too late for # directive to set debug directory");
 }
 
 /* Set the C 89 standard (with 1994 amendments if C94, without GNU