c-opts.c (lang_flags): Const-ify.

	* c-opts.c (lang_flags): Const-ify.
	* ra-build.c (undef_table): Likewise.
	* ra.c (eliminables): Likewise.

From-SVN: r56271

gcc/ChangeLog

+2002-08-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-opts.c (lang_flags): Const-ify.
+	* ra-build.c (undef_table): Likewise.
+	* ra.c (eliminables): Likewise.
+
 2002-08-14  Gabriel Dos Reis  <gdr@nerim.net>
 
 	* tree.h: Guard against multiple inclusion.

gcc/c-opts.c

@@ -529,7 +529,7 @@ c_common_decode_option (argc, argv)
      int argc;
      char **argv;
 {
-  static int lang_flags[] = {CL_C_ONLY, CL_C, CL_CXX_ONLY, CL_CXX};
+  static const int lang_flags[] = {CL_C_ONLY, CL_C, CL_CXX_ONLY, CL_CXX};
   size_t opt_index;
   const char *opt, *arg = 0;
   char *dup = 0;

gcc/ra-build.c

@@ -346,7 +346,7 @@ static struct undef_table_s {
   unsigned int new_undef;
   /* size | (byte << 16)  */
   unsigned int size_word;
-} undef_table [] = {
+} const undef_table [] = {
   { 0, BL_TO_WORD (0, 0)}, /* 0 */
   { 0, BL_TO_WORD (0, 1)},
   { 0, BL_TO_WORD (1, 1)},

gcc/ra.c

@@ -464,7 +464,7 @@ init_ra ()
   int i;
   HARD_REG_SET rs;
 #ifdef ELIMINABLE_REGS
-  static struct {int from, to; } eliminables[] = ELIMINABLE_REGS;
+  static const struct {const int from, to; } eliminables[] = ELIMINABLE_REGS;
   unsigned int j;
 #endif
   int need_fp