[NDS32] Move some target hooks to the bottom of nds32.c file.

gcc/
	* config/nds32/nds32.c
	(TARGET_HARD_REGNO_MODE_OK): Move to the bottom of file.
	(TARGET_MODES_TIEABLE_P): Likewise.

From-SVN: r259547

gcc/ChangeLog

 2018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
 
+	* config/nds32/nds32.c
+	(TARGET_HARD_REGNO_MODE_OK): Move to the bottom of file.
+	(TARGET_MODES_TIEABLE_P): Likewise.
+
+2018-04-22  Chung-Ju Wu  <jasonwucj@gmail.com>
+
 	* config/nds32/nds32.c (nds32_asm_file_start): Display optimization
 	level Ofast and Og.
 

gcc/config/nds32/nds32.c

@@ -3843,9 +3843,6 @@ nds32_hard_regno_mode_ok (unsigned int regno, machine_mode mode)
   return false;
 }
 
-#undef TARGET_HARD_REGNO_MODE_OK
-#define TARGET_HARD_REGNO_MODE_OK nds32_hard_regno_mode_ok
-
 /* Implement TARGET_MODES_TIEABLE_P.  We can use general registers to
    tie QI/HI/SI modes together.  */
 
@@ -3869,9 +3866,6 @@ nds32_modes_tieable_p (machine_mode mode1, machine_mode mode2)
 
   return false;
 }
-
-#undef TARGET_MODES_TIEABLE_P
-#define TARGET_MODES_TIEABLE_P nds32_modes_tieable_p
 
 /* Register Classes.  */
 
@@ -4889,6 +4883,12 @@ nds32_use_blocks_for_constant_p (machine_mode mode,
 #undef TARGET_HARD_REGNO_NREGS
 #define TARGET_HARD_REGNO_NREGS nds32_hard_regno_nregs
 
+#undef TARGET_HARD_REGNO_MODE_OK
+#define TARGET_HARD_REGNO_MODE_OK nds32_hard_regno_mode_ok
+
+#undef TARGET_MODES_TIEABLE_P
+#define TARGET_MODES_TIEABLE_P nds32_modes_tieable_p
+
 /* -- Handling Leaf Functions.  */
 
 /* -- Registers That Form a Stack.  */