X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fparams.c;h=40daae77a097f183cc86f7ac48980b687adac06a;hb=64c79f42958048e796444491ed2be87aa4462590;hp=b0dc375ae4a911bbf59397d5eddd43309066e6d9;hpb=0ba508e460fe5f7205b3eee5ca0596169e5b003b;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/params.c b/gcc/params.c
index b0dc375ae4a..40daae77a09 100644
--- a/gcc/params.c
+++ b/gcc/params.c
@@ -1,5 +1,5 @@
 /* params.c - Run-time parameters.
-   Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
 This file is part of GCC.
@@ -16,8 +16,8 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.
 
 */
 
@@ -61,14 +61,23 @@ set_param_value (const char *name, int value)
   size_t i;
 
   /* Make sure nobody tries to set a parameter to an invalid value.  */
-  if (value == INVALID_PARAM_VAL)
-    abort ();
+  gcc_assert (value != INVALID_PARAM_VAL);
 
   /* Scan the parameter table to find a matching entry.  */
   for (i = 0; i < num_compiler_params; ++i)
     if (strcmp (compiler_params[i].option, name) == 0)
       {
-	compiler_params[i].value = value;
+	if (value < compiler_params[i].min_value)
+	  error ("minimum value of parameter %qs is %u",
+		 compiler_params[i].option,
+		 compiler_params[i].min_value);
+	else if (compiler_params[i].max_value > compiler_params[i].min_value
+		 && value > compiler_params[i].max_value)
+	  error ("maximum value of parameter %qs is %u",
+		 compiler_params[i].option,
+		 compiler_params[i].max_value);
+	else
+	  compiler_params[i].value = value;
 	return;
       }