[NDS32] Change return type of predicator to bool.

gcc/
	* config/nds32/nds32-predicates.c
	(nds32_can_use_bclr_p): Change return type as bool.
	(nds32_can_use_bset_p): Ditto.
	(nds32_can_use_btgl_p): Ditto.
	(nds32_can_use_bitci_p): Ditto.
	* config/nds32/nds32-protos.h
	(nds32_can_use_bclr_p): Change declaration.
	(nds32_can_use_bset_p): Ditto.
	(nds32_can_use_btgl_p): Ditto.
	(nds32_can_use_bitci_p): Ditto.

From-SVN: r263497

gcc/ChangeLog

 2018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
 
+	* config/nds32/nds32-predicates.c
+	(nds32_can_use_bclr_p): Change return type as bool.
+	(nds32_can_use_bset_p): Ditto.
+	(nds32_can_use_btgl_p): Ditto.
+	(nds32_can_use_bitci_p): Ditto.
+	* config/nds32/nds32-protos.h
+	(nds32_can_use_bclr_p): Change declaration.
+	(nds32_can_use_bset_p): Ditto.
+	(nds32_can_use_btgl_p): Ditto.
+	(nds32_can_use_bitci_p): Ditto.
+
+2018-08-12  Chung-Ju Wu  <jasonwucj@gmail.com>
+
 	* config/nds32/nds32.c (nds32_expand_prologue, nds32_expand_epilogue):
 	Support -msched-prolog-epilog option.
 	* config/nds32/nds32.opt (msched-prolog-epilog): New option.

gcc/config/nds32/nds32-predicates.c

@@ -356,8 +356,8 @@ nds32_valid_stack_push_pop_p (rtx op, bool push_p)
 }
 
 /* Function to check if 'bclr' instruction can be used with IVAL.  */
-int
-nds32_can_use_bclr_p (int ival)
+bool
+nds32_can_use_bclr_p (HOST_WIDE_INT ival)
 {
   int one_bit_count;
   unsigned HOST_WIDE_INT mask = GET_MODE_MASK (SImode);
@@ -373,8 +373,8 @@ nds32_can_use_bclr_p (int ival)
 }
 
 /* Function to check if 'bset' instruction can be used with IVAL.  */
-int
-nds32_can_use_bset_p (int ival)
+bool
+nds32_can_use_bset_p (HOST_WIDE_INT ival)
 {
   int one_bit_count;
   unsigned HOST_WIDE_INT mask = GET_MODE_MASK (SImode);
@@ -389,8 +389,8 @@ nds32_can_use_bset_p (int ival)
 }
 
 /* Function to check if 'btgl' instruction can be used with IVAL.  */
-int
-nds32_can_use_btgl_p (int ival)
+bool
+nds32_can_use_btgl_p (HOST_WIDE_INT ival)
 {
   int one_bit_count;
   unsigned HOST_WIDE_INT mask = GET_MODE_MASK (SImode);
@@ -405,8 +405,8 @@ nds32_can_use_btgl_p (int ival)
 }
 
 /* Function to check if 'bitci' instruction can be used with IVAL.  */
-int
-nds32_can_use_bitci_p (int ival)
+bool
+nds32_can_use_bitci_p (HOST_WIDE_INT ival)
 {
   /* If we are using V3 ISA, we have 'bitci' instruction.
      Try to see if we can present 'andi' semantic with

gcc/config/nds32/nds32-protos.h

@@ -138,11 +138,11 @@ extern bool nds32_valid_stack_push_pop_p (rtx, bool);
 
 /* Auxiliary functions for bit operation detection.  */
 
-extern int nds32_can_use_bclr_p (int);
-extern int nds32_can_use_bset_p (int);
-extern int nds32_can_use_btgl_p (int);
+extern bool nds32_can_use_bclr_p (HOST_WIDE_INT);
+extern bool nds32_can_use_bset_p (HOST_WIDE_INT);
+extern bool nds32_can_use_btgl_p (HOST_WIDE_INT);
 
-extern int nds32_can_use_bitci_p (int);
+extern bool nds32_can_use_bitci_p (HOST_WIDE_INT);
 
 extern bool nds32_const_double_range_ok_p (rtx, machine_mode,
 					   HOST_WIDE_INT, HOST_WIDE_INT);