*** empty log message ***

From-SVN: r945

gcc/gcc.c

@@ -94,6 +94,11 @@ extern int execv (), execvp ();
 
 #define MIN_FATAL_STATUS 1
 
+/* Flag saying to print the full filename of libgcc.a
+   as found through our usual search mechanism.  */
+
+static int print_libgcc_file_name;
+
 /* Flag indicating whether we should print the command and arguments */
 
 static int verbose_flag;
@@ -1826,6 +1831,10 @@ process_command (argc, argv)
 	  printf ("%s\n", version_string);
 	  exit (0);
 	}
+      else if (! strcmp (argv[i], "-print-libgcc-file-name"))
+	{
+	  print_libgcc_file_name = 1;
+	}
       else if (! strcmp (argv[i], "-Xlinker"))
 	{
 	  /* Pass the argument of this option to the linker when we link.  */
@@ -1939,6 +1948,8 @@ process_command (argc, argv)
     {
       if (!strcmp (argv[i], "-Xlinker"))
 	i++;
+      else if (! strcmp (argv[i], "-print-libgcc-file-name"))
+	i++;
       else if (argv[i][0] == '-' && argv[i][1] != 0 && argv[i][1] != 'l')
 	{
 	  register char *p = &argv[i][1];
@@ -3038,6 +3049,12 @@ main (argc, argv)
     if (! switches[i].valid)
       error ("unrecognized option `-%s'", switches[i].part1);
 
+  if (print_libgcc_file_name)
+    {
+      printf ("%s\n", find_file ("libgcc.a"));
+      exit (0);
+    }
+
   /* Obey some of the options.  */
 
   if (verbose_flag)

gcc/rtl.c

@@ -642,36 +642,28 @@ read_rtx (infile)
 	    }
 	  if (c != '"')
 	    dump_and_abort ('"', c, infile);
-	  j = 0;
-	  stringbufsize = 10;
-	  stringbuf = (char *) xmalloc (stringbufsize + 1);
 
 	  while (1)
 	    {
-	      if (j >= stringbufsize - 4)
+	      c = getc (infile); /* Read the string  */
+	      if (c == '\\')
 		{
-		  stringbufsize *= 2;
-		  stringbuf = (char *) xrealloc (stringbuf, stringbufsize + 1);
-		}
-	      stringbuf[j] = getc (infile); /* Read the string  */
-	      if (stringbuf[j] == '\\')
-		{
-		  stringbuf[j] = getc (infile);	/* Read the string  */
+		  c = getc (infile);	/* Read the string  */
 		  /* \; makes stuff for a C string constant containing
 		     newline and tab.  */
-		  if (stringbuf[j] == ';')
-		    {
-		      strcpy (&stringbuf[j], "\\n\\t");
-		      j += 3;
-		    }
+		  if (c == ';')
+		    obstack_grow (rtl_obstack, "\\n\\t", 4);
+		  else
+		    obstack_1grow (rtl_obstack, c);
 		}
-	      else if (stringbuf[j] == '"')
+	      else if (c == '"')
 		break;
-	      j++;
+
+	      obstack_1grow (rtl_obstack, c);
 	    }
 
-	  stringbuf[j] = 0;	/* NUL terminate the string  */
-	  stringbuf = (char *) xrealloc (stringbuf, j + 1);
+	  obstack_1grow (rtl_obstack, 0);
+	  stringbuf = (char *) obstack_finish (rtl_obstack);
 
 	  if (saw_paren)
 	    {