2009-04-10 H.J. Lu <hongjiu.lu@intel.com>

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

diff --git a/gcc/opts.c b/gcc/opts.c
index 2d5184f..76f5d1e 100644 (file)
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -368,12 +368,6 @@ DEF_VEC_ALLOC_P(const_char_p,heap);
 
 static VEC(const_char_p,heap) *ignored_options;
 
-/* Function calls disallowed under -Wdisallowed-function-list=...  */
-static VEC(char_p,heap) *warning_disallowed_functions;
-
-/* If -Wdisallowed-function-list=...  */
-bool warn_disallowed_functions = false;
-
 /* Input file names.  */
 const char **in_fnames;
 unsigned num_in_fnames;
@@ -741,38 +735,6 @@ flag_instrument_functions_exclude_p (tree fndecl)
 }
 
 
-/* Return whether this function call is disallowed.  */
-void
-warn_if_disallowed_function_p (const_tree exp)
-{
-  if (TREE_CODE (exp) == CALL_EXPR
-      && VEC_length (char_p, warning_disallowed_functions) > 0)
-    {
-      int i;
-      char *s;
-      tree fndecl = get_callee_fndecl (exp);
-      const char *fnname;
-
-      if (fndecl == NULL)
-       return;
-
-      fnname = get_name (fndecl);
-      if (fnname == NULL)
-       return;
-
-      for (i = 0; VEC_iterate (char_p, warning_disallowed_functions, i, s);
-           ++i)
-        {
-          if (strcmp (fnname, s) == 0)
-            {
-              warning (OPT_Wdisallowed_function_list_,
-                       "disallowed call to %qs", fnname);
-              break;
-            }
-        }
-    }
-}
-
 /* Decode and handle the vector of command line options.  LANG_MASK
    contains has a single bit set representing the current
    language.  */
@@ -815,8 +777,6 @@ void
 decode_options (unsigned int argc, const char **argv)
 {
   static bool first_time_p = true;
-  static int initial_max_aliased_vops;
-  static int initial_avg_aliased_vops;
   static int initial_min_crossjump_insns;
   static int initial_max_fields_for_field_sensitive;
   static int initial_loop_invariant_max_bbs_in_loop;
@@ -836,8 +796,6 @@ decode_options (unsigned int argc, const char **argv)
       lang_hooks.initialize_diagnostics (global_dc);
 
       /* Save initial values of parameters we reset.  */
-      initial_max_aliased_vops = MAX_ALIASED_VOPS;
-      initial_avg_aliased_vops = AVG_ALIASED_VOPS;
       initial_min_crossjump_insns
        = compiler_params[PARAM_MIN_CROSSJUMP_INSNS].value;
       initial_max_fields_for_field_sensitive
@@ -936,7 +894,6 @@ decode_options (unsigned int argc, const char **argv)
   flag_regmove = opt2;
   flag_strict_aliasing = opt2;
   flag_strict_overflow = opt2;
-  flag_delete_null_pointer_checks = opt2;
   flag_reorder_blocks = opt2;
   flag_reorder_functions = opt2;
   flag_tree_vrp = opt2;
@@ -945,11 +902,6 @@ decode_options (unsigned int argc, const char **argv)
   flag_tree_switch_conversion = 1;
   flag_ipa_cp = opt2;
 
-  /* Allow more virtual operators to increase alias precision.  */
-
-  set_param_value ("max-aliased-vops",
-                  (opt2) ? 500 : initial_max_aliased_vops);
-
   /* Track fields in field-sensitive alias analysis.  */
   set_param_value ("max-fields-for-field-sensitive",
                   (opt2) ? 100 : initial_max_fields_for_field_sensitive);
@@ -969,13 +921,6 @@ decode_options (unsigned int argc, const char **argv)
   if (flag_ipa_cp_clone)
     flag_ipa_cp = 1;
 
-  /* Allow even more virtual operators.  Max-aliased-vops was set above for
-     -O2, so don't reset it unless we are at -O3.  */
-  if (opt3)
-    set_param_value ("max-aliased-vops", 1000);
-
-  set_param_value ("avg-aliased-vops", (opt3) ? 3 : initial_avg_aliased_vops);
-
   /* Just -O1/-O0 optimizations.  */
   opt1_max = (optimize <= 1);
   align_loops = opt1_max;
@@ -1635,12 +1580,6 @@ common_handle_option (size_t scode, const char *arg, int value,
       set_Wextra (value);
       break;
 
-    case OPT_Wdisallowed_function_list_:
-      warn_disallowed_functions = true;
-      add_comma_separated_to_vector
-       (&warning_disallowed_functions, arg);
-      break;
-
     case OPT_Werror_:
       enable_warning_as_error (arg, value, lang_mask);
       break;
@@ -1772,6 +1711,15 @@ common_handle_option (size_t scode, const char *arg, int value,
        return 0;
       break;
 
+    case OPT_fexcess_precision_:
+      if (!strcmp (arg, "fast"))
+       flag_excess_precision_cmdline = EXCESS_PRECISION_FAST;
+      else if (!strcmp (arg, "standard"))
+       flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;
+      else
+       error ("unknown excess precision style \"%s\"", arg);
+      break;
+
     case OPT_ffast_math:
       set_fast_math_flags (value);
       break;