ia32: Remove redundant calls to clear_ia32_use_frame()/set_ia32_use_frame()...

ia32: Remove redundant calls to clear_ia32_use_frame()/set_ia32_use_frame() just after/before set_ia32_frame_ent().

ir/be/ia32/bearch_ia32.c

@@ -501,7 +501,6 @@ static ir_node *ia32_turn_back_dest_am(ir_node *node)
 	set_ia32_am_ent(node, NULL);
 	set_ia32_am_scale(node, 0);
 	set_ia32_frame_ent(node, NULL);
-	clear_ia32_use_frame(node);
 
 	sched_replace(node, load);
 	sched_add_after(load, new_node);
@@ -549,7 +548,6 @@ ir_node *ia32_turn_back_am(ir_node *node)
 	set_ia32_am_ent(node, NULL);
 	set_ia32_am_scale(node, 0);
 	set_ia32_frame_ent(node, NULL);
-	clear_ia32_use_frame(node);
 
 	/* rewire mem-proj */
 	if (get_irn_mode(node) == mode_T) {
@@ -830,7 +828,6 @@ static ir_node *create_push(ir_node *node, ir_node *schedpoint, ir_node *sp,
 	ir_node *push = new_bd_ia32_Push(dbgi, block, frame, noreg, mem, noreg, sp);
 
 	set_ia32_frame_ent(push, ent);
-	set_ia32_use_frame(push);
 	set_ia32_op_type(push, ia32_AddrModeS);
 	set_ia32_ls_mode(push, mode);
 	set_ia32_is_spill(push);
@@ -850,7 +847,6 @@ static ir_node *create_pop(ir_node *node, ir_node *schedpoint, ir_node *sp,
 	ir_node  *pop   = new_bd_ia32_PopMem(dbgi, block, frame, noreg,
 	                                     get_irg_no_mem(irg), sp);
 	set_ia32_frame_ent(pop, ent);
-	set_ia32_use_frame(pop);
 	set_ia32_op_type(pop, ia32_AddrModeD);
 	set_ia32_ls_mode(pop, mode);
 	set_ia32_is_reload(pop);

ir/be/ia32/ia32_transform.c

@@ -5178,7 +5178,6 @@ static ir_node *gen_return_address(ir_node *node)
 	set_ia32_ls_mode(load, ia32_mode_gp);
 
 	set_ia32_am_offs_int(load, 0);
-	set_ia32_use_frame(load);
 	set_ia32_frame_ent(load, ia32_get_return_address_entity(irg));
 
 	if (get_irn_pinned(node) == op_pin_state_floats) {
@@ -5218,7 +5217,6 @@ static ir_node *gen_frame_address(ir_node *node)
 	ir_entity *ent = ia32_get_frame_address_entity(irg);
 	if (ent != NULL) {
 		set_ia32_am_offs_int(load, 0);
-		set_ia32_use_frame(load);
 		set_ia32_frame_ent(load, ent);
 	} else {
 		/* will fail anyway, but gcc does this: */