[NDS32] Set call address constraint.

gcc/
	* config/nds32/constraints.md (S): New constraint.
	* config/nds32/nds32.md (call_internal): Use constraint S.
	(call_value_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.

From-SVN: r260422

gcc/ChangeLog

+2018-05-20  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	* config/nds32/constraints.md (S): New constraint.
+	* config/nds32/nds32.md (call_internal): Use constraint S.
+	(call_value_internal): Likewise.
+	(sibcall_internal): Likewise.
+	(sibcall_value_internal): Likewise.
+
 2018-05-20  Kito Cheng  <kito.cheng@gmail.com>
 	    Chung-Ju Wu  <jasonwucj@gmail.com>
 

gcc/config/nds32/constraints.md

@@ -373,4 +373,9 @@
        (match_test "(TARGET_FPU_SINGLE || TARGET_FPU_DOUBLE)
 		     && nds32_float_mem_operand_p (op)")))
 
+(define_constraint "S"
+  "@internal
+   A constant call address."
+  (match_operand 0 "nds32_symbolic_operand"))
+
 ;; ------------------------------------------------------------------------

gcc/config/nds32/nds32.md

@@ -1523,7 +1523,7 @@
 )
 
 (define_insn "call_internal"
-  [(parallel [(call (mem (match_operand:SI 0 "nds32_call_address_operand" "r, i"))
+  [(parallel [(call (mem (match_operand:SI 0 "nds32_call_address_operand" "r, S"))
 		    (match_operand 1))
 	      (clobber (reg:SI LP_REGNUM))
 	      (clobber (reg:SI TA_REGNUM))])]
@@ -1611,7 +1611,7 @@
 
 (define_insn "call_value_internal"
   [(parallel [(set (match_operand 0)
-		   (call (mem (match_operand:SI 1 "nds32_call_address_operand" "r, i"))
+		   (call (mem (match_operand:SI 1 "nds32_call_address_operand" "r, S"))
 		         (match_operand 2)))
 	      (clobber (reg:SI LP_REGNUM))
 	      (clobber (reg:SI TA_REGNUM))])]
@@ -1714,7 +1714,7 @@
 })
 
 (define_insn "sibcall_internal"
-  [(parallel [(call (mem (match_operand:SI 0 "nds32_call_address_operand" "r, i"))
+  [(parallel [(call (mem (match_operand:SI 0 "nds32_call_address_operand" "r, S"))
 		    (match_operand 1))
 	      (clobber (reg:SI TA_REGNUM))
 	      (return)])]
@@ -1778,7 +1778,7 @@
 
 (define_insn "sibcall_value_internal"
   [(parallel [(set (match_operand 0)
-		   (call (mem (match_operand:SI 1 "nds32_call_address_operand" "r, i"))
+		   (call (mem (match_operand:SI 1 "nds32_call_address_operand" "r, S"))
 			 (match_operand 2)))
 	      (clobber (reg:SI TA_REGNUM))
 	      (return)])]