* combine.c (sets_function_arg_p): Delete unused function.

From-SVN: r73744

gcc/ChangeLog

+2003-11-19  James E Wilson  <wilson@specifixinc.com>
+
+	* combine.c (sets_function_arg_p): Delete unused function.
+
 2003-11-19  Eric Christopher  <echristo@redhat.com>
 
 	* reload1.c (reload): Revert 2 previous checkins.

gcc/combine.c

@@ -345,7 +345,6 @@ static void setup_incoming_promotions (void);
 static void set_nonzero_bits_and_sign_copies (rtx, rtx, void *);
 static int cant_combine_insn_p (rtx);
 static int can_combine_p (rtx, rtx, rtx, rtx, rtx *, rtx *);
-static int sets_function_arg_p (rtx);
 static int combinable_i3pat (rtx, rtx *, rtx, rtx, int, rtx *);
 static int contains_muldiv (rtx);
 static rtx try_combine (rtx, rtx, rtx, int *);
@@ -1205,45 +1204,6 @@ can_combine_p (rtx insn, rtx i3, rtx pred ATTRIBUTE_UNUSED, rtx succ,
   return 1;
 }
 
-/* Check if PAT is an insn - or a part of it - used to set up an
-   argument for a function in a hard register.  */
-
-static int
-sets_function_arg_p (rtx pat)
-{
-  int i;
-  rtx inner_dest;
-
-  switch (GET_CODE (pat))
-    {
-    case INSN:
-      return sets_function_arg_p (PATTERN (pat));
-
-    case PARALLEL:
-      for (i = XVECLEN (pat, 0); --i >= 0;)
-	if (sets_function_arg_p (XVECEXP (pat, 0, i)))
-	  return 1;
-
-      break;
-
-    case SET:
-      inner_dest = SET_DEST (pat);
-      while (GET_CODE (inner_dest) == STRICT_LOW_PART
-	     || GET_CODE (inner_dest) == SUBREG
-	     || GET_CODE (inner_dest) == ZERO_EXTRACT)
-	inner_dest = XEXP (inner_dest, 0);
-
-      return (GET_CODE (inner_dest) == REG
-	      && REGNO (inner_dest) < FIRST_PSEUDO_REGISTER
-	      && FUNCTION_ARG_REGNO_P (REGNO (inner_dest)));
-
-    default:
-      break;
-    }
-
-  return 0;
-}
-
 /* LOC is the location within I3 that contains its pattern or the component
    of a PARALLEL of the pattern.  We validate that it is valid for combining.