expr.c (expand_assignment): Remove an unused argument SUGGEST_REG.

	* expr.c (expand_assignment): Remove an unused argument
	SUGGEST_REG.
	* expr.h: Update the prototype.
	* function.c: Update the callers.
	* stmt.c: Likewise.

From-SVN: r69379

gcc/ChangeLog

+2003-07-15  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* expr.c (expand_assignment): Remove an unused argument
+	SUGGEST_REG.
+	* expr.h: Update the prototype.
+	* function.c: Update the callers.
+	* stmt.c: Likewise.
+
 2003-07-14  Mark Mitchell  <mark@codesourcery.com>
 
 	PR debug/11098

gcc/expr.c

@@ -4128,16 +4128,10 @@ get_subtarget (rtx x)
    If WANT_VALUE is nonzero, return an rtx for the value of TO.
    (This may contain a QUEUED rtx;
    if the value is constant, this rtx is a constant.)
-   Otherwise, the returned value is NULL_RTX.
-
-   SUGGEST_REG is no longer actually used.
-   It used to mean, copy the value through a register
-   and return that register, if that is possible.
-   We now use WANT_VALUE to decide whether to do this.  */
+   Otherwise, the returned value is NULL_RTX.  */
 
 rtx
-expand_assignment (tree to, tree from, int want_value,
-		   int suggest_reg ATTRIBUTE_UNUSED)
+expand_assignment (tree to, tree from, int want_value)
 {
   rtx to_rtx = 0;
   rtx result;
@@ -9144,7 +9138,7 @@ expand_expr (tree exp, rtx target, enum machine_mode tmode, enum expand_modifier
 	tree lhs = TREE_OPERAND (exp, 0);
 	tree rhs = TREE_OPERAND (exp, 1);
 
-	temp = expand_assignment (lhs, rhs, ! ignore, original_target != 0);
+	temp = expand_assignment (lhs, rhs, ! ignore);
 	return temp;
       }
 
@@ -9189,13 +9183,13 @@ expand_expr (tree exp, rtx target, enum machine_mode tmode, enum expand_modifier
 					     (TREE_CODE (rhs) == BIT_IOR_EXPR
 					      ? integer_one_node
 					      : integer_zero_node)),
-			       0, 0);
+			       0);
 	    do_pending_stack_adjust ();
 	    emit_label (label);
 	    return const0_rtx;
 	  }
 
-	temp = expand_assignment (lhs, rhs, ! ignore, original_target != 0);
+	temp = expand_assignment (lhs, rhs, ! ignore);
 
 	return temp;
       }
@@ -9798,7 +9792,7 @@ expand_increment (tree exp, int post, int ignore)
 	  incremented = TREE_OPERAND (incremented, 0);
 	}
 
-      temp = expand_assignment (incremented, newexp, ! post && ! ignore , 0);
+      temp = expand_assignment (incremented, newexp, ! post && ! ignore);
       return post ? op0 : temp;
     }
 

gcc/expr.h

@@ -493,7 +493,7 @@ extern void emit_push_insn (rtx, enum machine_mode, tree, rtx, unsigned int,
 			    int, rtx, int, rtx, rtx, int, rtx);
 
 /* Expand an assignment that stores the value of FROM into TO.  */
-extern rtx expand_assignment (tree, tree, int, int);
+extern rtx expand_assignment (tree, tree, int);
 
 /* Generate code for computing expression EXP,
    and storing the value into TARGET.

gcc/function.c

@@ -4832,7 +4832,7 @@ assign_parms (tree fndecl)
 	      /* TREE_USED gets set erroneously during expand_assignment.  */
 	      save_tree_used = TREE_USED (parm);
 	      expand_assignment (parm,
-				 make_tree (nominal_type, tempreg), 0, 0);
+				 make_tree (nominal_type, tempreg), 0);
 	      TREE_USED (parm) = save_tree_used;
 	      conversion_insns = get_insns ();
 	      did_conversion = 1;

gcc/stmt.c

@@ -3984,13 +3984,13 @@ expand_decl_init (tree decl)
       if (code == INTEGER_TYPE || code == REAL_TYPE || code == ENUMERAL_TYPE
 	  || code == POINTER_TYPE || code == REFERENCE_TYPE)
 	expand_assignment (decl, convert (TREE_TYPE (decl), integer_zero_node),
-			   0, 0);
+			   0);
       emit_queue ();
     }
   else if (DECL_INITIAL (decl) && TREE_CODE (DECL_INITIAL (decl)) != TREE_LIST)
     {
       emit_line_note (DECL_SOURCE_LOCATION (decl));
-      expand_assignment (decl, DECL_INITIAL (decl), 0, 0);
+      expand_assignment (decl, DECL_INITIAL (decl), 0);
       emit_queue ();
     }