print-rtl.c (print_rtx): If RTX code is bad, just say so.

	* print-rtl.c (print_rtx): If RTX code is bad, just say so.
	Also minor cleanups.

From-SVN: r47408

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 35e0364a3afe05ea57a0a14712fe704e233f2156..19efa9d45ca80d47a8d773c7d32d13f785bda9a0 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Wed Nov 28 08:21:47 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * print-rtl.c (print_rtx): If RTX code is bad, just say so.
+       Also minor cleanups.
+
 Wed Nov 28 10:42:19 CET 2001  Jan Hubicka  <jh@suse.cz>
 
        * cse.c (true_dependence_in_rtx): New function.

diff --git a/gcc/print-rtl.c b/gcc/print-rtl.c
index b62c698f677ab7e1d183b086b96919adc77dd67e..3213a511926b11304db2a70f30aadb462e494f30 100644 (file)
--- a/gcc/print-rtl.c
+++ b/gcc/print-rtl.c
@@ -94,8 +94,7 @@ print_rtx (in_rtx)
       if (flag_simple)
        fputc (' ', outfile);
       else
-       fprintf (outfile, "\n%s%*s",
-                print_rtx_head, indent * 2, "");
+       fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
       sawclose = 0;
     }
 
@@ -105,21 +104,27 @@ print_rtx (in_rtx)
       sawclose = 1;
       return;
     }
+  else if (GET_CODE (in_rtx) > NUM_RTX_CODE)
+    {
+       fprintf (outfile, "(??? bad code %d\n)", GET_CODE (in_rtx));
+       sawclose = 1;
+       return;
+    }
 
-  is_insn = (INSN_P (in_rtx));
+  is_insn = INSN_P (in_rtx);
 
   /* When printing in VCG format we write INSNs, NOTE, LABEL, and BARRIER
      in separate nodes and therefore have to handle them special here.  */
-  if (dump_for_graph &&
-      (is_insn || GET_CODE (in_rtx) == NOTE || GET_CODE (in_rtx) == CODE_LABEL
-       || GET_CODE (in_rtx) == BARRIER))
+  if (dump_for_graph
+      && (is_insn || GET_CODE (in_rtx) == NOTE
+         || GET_CODE (in_rtx) == CODE_LABEL || GET_CODE (in_rtx) == BARRIER))
     {
       i = 3;
       indent = 0;
     }
   else
     {
-      /* print name of expression code */
+      /* Print name of expression code.  */
       if (flag_simple && GET_CODE (in_rtx) == CONST_INT)
        fputc ('(', outfile);
       else
@@ -164,7 +169,6 @@ print_rtx (in_rtx)
   /* Get the format string and skip the first elements if we have handled
      them already.  */
   format_ptr = GET_RTX_FORMAT (GET_CODE (in_rtx)) + i;
-
   for (; i < GET_RTX_LENGTH (GET_CODE (in_rtx)); i++)
     switch (*format_ptr++)
       {
@@ -310,8 +314,7 @@ print_rtx (in_rtx)
            indent -= 2;
          }
        if (sawclose)
-         fprintf (outfile, "\n%s%*s",
-                   print_rtx_head, indent * 2, "");
+         fprintf (outfile, "\n%s%*s", print_rtx_head, indent * 2, "");
 
        fputs ("] ", outfile);
        sawclose = 1;
@@ -510,7 +513,8 @@ print_rtx (in_rtx)
 
          tem = XEXP (in_rtx, 1);
          if (tem)
-           fputs ("\n    ])\n  (const_string \"tail_call\") (sequence [", outfile);
+           fputs ("\n    ])\n  (const_string \"tail_call\") (sequence [",
+                  outfile);
          for (; tem != 0; tem = NEXT_INSN (tem))
            {
              fputs ("\n    ", outfile);
@@ -519,7 +523,8 @@ print_rtx (in_rtx)
 
          tem = XEXP (in_rtx, 2);
          if (tem)
-           fputs ("\n    ])\n  (const_string \"tail_recursion\") (sequence [", outfile);
+           fputs ("\n    ])\n  (const_string \"tail_recursion\") (sequence [",
+                  outfile);
          for (; tem != 0; tem = NEXT_INSN (tem))
            {
              fputs ("\n    ", outfile);