Print the names of the hardcoded virtural registers

From-SVN: r28212

gcc/ChangeLog

+1999-07-21  Michael Meissner  <meissner@cygnus.com>
+
+	* print-rtl.c (print_rtx): Print the names of the virtual
+	registers.
+
 Wed Jul 21 16:00:32 1999  Nick Clifton  <nickc@cygnus.com>
 
 	* config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo

gcc/print-rtl.c

 /* Print RTL for GNU C Compiler.
-   Copyright (C) 1987, 1988, 1992, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1992, 1997, 1998, 1999 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -245,6 +245,22 @@ print_rtx (in_rtx)
 	      fputc (' ', outfile);
 	      DEBUG_PRINT_REG (in_rtx, 0, outfile);
 	    }
+	  else if (GET_CODE (in_rtx) == REG && value <= LAST_VIRTUAL_REGISTER)
+	    {
+	      if (value == VIRTUAL_INCOMING_ARGS_REGNUM)
+		fprintf (outfile, " %d virtual-incoming-args", value);
+	      else if (value == VIRTUAL_STACK_VARS_REGNUM)
+		fprintf (outfile, " %d virtual-stack-vars", value);
+	      else if (value == VIRTUAL_STACK_DYNAMIC_REGNUM)
+		fprintf (outfile, " %d virtual-stack-dynamic", value);
+	      else if (value == VIRTUAL_OUTGOING_ARGS_REGNUM)
+		fprintf (outfile, " %d virtual-outgoing-args", value);
+	      else if (value == VIRTUAL_CFA_REGNUM)
+		fprintf (outfile, " %d virtual-cfa", value);
+	      else
+		fprintf (outfile, " %d virtual-reg-%d", value,
+			 value-FIRST_VIRTUAL_REGISTER);
+	    }
 	  else if (flag_dump_unnumbered
 		   && (is_insn || GET_CODE (in_rtx) == NOTE))
 	    fputc ('#', outfile);