[NDS32] Add missing RTX_FRAME_RELATED_P to set fp_adjust_insn rtx.

gcc/
	* config/nds32/nds32.c (nds32_expand_prologue): Set fp_adjust_insn
	as RTX_FRAME_RELATED_P rtx.

From-SVN: r217902

gcc/ChangeLog

 2014-11-21  Chung-Ju Wu  <jasonwucj@gmail.com>
 
+	* config/nds32/nds32.c (nds32_expand_prologue): Set fp_adjust_insn
+	as RTX_FRAME_RELATED_P rtx.
+
+2014-11-21  Chung-Ju Wu  <jasonwucj@gmail.com>
+
 	* config/nds32/nds32.opt (march): Add help message.
 
 2014-11-20  Patrick Palka  <ppalka@gcc.gnu.org>

gcc/config/nds32/nds32.c

@@ -2937,6 +2937,9 @@ nds32_expand_prologue (void)
 				   GEN_INT (fp_adjust));
       /* Emit rtx into instructions list and receive INSN rtx form.  */
       fp_adjust_insn = emit_insn (fp_adjust_insn);
+
+      /* The insn rtx 'fp_adjust_insn' will change frame layout.  */
+      RTX_FRAME_RELATED_P (fp_adjust_insn) = 1;
     }
 
   /* Adjust $sp = $sp - local_size - out_args_size