--- a/gcc/config/nios2/nios2.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/config/nios2/nios2.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Definitions of target machine for Altera Nios II.
-   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+   Copyright (C) 2012-2018 Free Software Foundation, Inc.
    Contributed by Jonah Graham (jgraham@altera.com), 
    Will Reece (wreece@altera.com), and Jeff DaSilva (jdasilva@altera.com).
    Contributed by Mentor Graphics, Inc.
@@ -221,7 +221,7 @@
   ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
 
 #define CDX_REG_P(REGNO)						\
-  ((REGNO) == 16 || (REGNO) == 17 || (2 <= (REGNO) && (REGNO) <= 7))
+  ((REGNO) == 16 || (REGNO) == 17 || ((REGNO) >= 2 && (REGNO) <= 7))
 
 /* Tests for various kinds of constants used in the Nios II port.  */
 
@@ -252,6 +252,7 @@
 
 /* Stack layout.  */
 #define STACK_GROWS_DOWNWARD 1
+#define FRAME_GROWS_DOWNWARD 1
 #define FIRST_PARM_OFFSET(FUNDECL) 0
 
 /* Before the prologue, RA lives in r31.  */
@@ -430,7 +431,7 @@
 /* Output before 'small' uninitialized data.  */
 #define SBSS_SECTION_ASM_OP "\t.section\t.sbss"
 
-#ifndef IN_LIBGCC2
+#ifndef USED_FOR_TARGET
 /* Default the definition of "small data" to 8 bytes.  */
 extern unsigned HOST_WIDE_INT nios2_section_threshold;
 #endif