re PR target/19886 (g++.dg/eh/registers1.C execution test fails)

	PR target/19886
	* config/ia64/ia64.h (struct machine_function): Add state_num.
	* config/ia64/ia64.c (process_epilogue,
	process_for_unwind_directive): Use new unwind state numbers each
	time rather than state 1.

From-SVN: r95234

gcc/ChangeLog

+2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
+
+	PR target/19886
+	* config/ia64/ia64.h (struct machine_function): Add state_num.
+	* config/ia64/ia64.c (process_epilogue,
+	process_for_unwind_directive): Use new unwind state numbers each
+	time rather than state 1.
+
 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	PR target/20054

gcc/config/ia64/ia64.c

@@ -7726,7 +7726,8 @@ process_epilogue (void)
 
   if (!last_block)
     {
-      fprintf (asm_out_file, "\t.label_state 1\n");
+      fprintf (asm_out_file, "\t.label_state %d\n",
+	       ++cfun->machine->state_num);
       need_copy_state = true;
     }
 
@@ -7974,7 +7975,8 @@ process_for_unwind_directive (FILE *asm_out_file, rtx insn)
 	  if (need_copy_state)
 	    {
 	      fprintf (asm_out_file, "\t.body\n");
-	      fprintf (asm_out_file, "\t.copy_state 1\n");
+	      fprintf (asm_out_file, "\t.copy_state %d\n",
+		       cfun->machine->state_num);
 	      need_copy_state = false;
 	    }
 	}

gcc/config/ia64/ia64.h

@@ -2199,6 +2199,9 @@ struct machine_function GTY(())
 
   /* The number of varargs registers to save.  */
   int n_varargs;
+
+  /* The number of the next unwind state to copy.  */
+  int state_num;
 };