[NDS32] Rename nds32_expand_movmemqi to nds32_expand_movmemsi and rewrite its implementation.

gcc/
	*config/nds32/nds32-memory-manipulation.c
	(nds32_emit_load_store): New.
	(nds32_emit_post_inc_load_store): New.
	(nds32_emit_mem_move): New.
	(nds32_emit_mem_move_block): New.
	(nds32_expand_movmemsi_loop_unknown_size): New.
	(nds32_expand_movmemsi_loop_known_size): New.
	(nds32_expand_movmemsi_loop): New.
	(nds32_expand_movmemsi_unroll): New.
	(nds32_expand_movmemqi): Rename ...
	(nds32_expand_movmemsi): ... to this.
	*config/nds32/nds32-multiple.md (movmemqi): Rename ...
	(movmemsi): ... to this.
	*config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ...
	(nds32_expand_movmemsi): ... to this.

Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>

From-SVN: r258235

gcc/ChangeLog

 2018-03-04  Kito Cheng  <kito.cheng@gmail.com>
+	    Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	*config/nds32/nds32-memory-manipulation.c
+	(nds32_emit_load_store): New.
+	(nds32_emit_post_inc_load_store): New.
+	(nds32_emit_mem_move): New.
+	(nds32_emit_mem_move_block): New.
+	(nds32_expand_movmemsi_loop_unknown_size): New.
+	(nds32_expand_movmemsi_loop_known_size): New.
+	(nds32_expand_movmemsi_loop): New.
+	(nds32_expand_movmemsi_unroll): New.
+	(nds32_expand_movmemqi): Rename ...
+	(nds32_expand_movmemsi): ... to this.
+	*config/nds32/nds32-multiple.md (movmemqi): Rename ...
+	(movmemsi): ... to this.
+	*config/nds32/nds32-protos.h (nds32_expand_movmemqi): Rename ...
+	(nds32_expand_movmemsi): ... to this.
+
+2018-03-04  Kito Cheng  <kito.cheng@gmail.com>
 	    Monk Chiang  <sh.chiang04@gmail.com>
 	    Chung-Ju Wu  <jasonwucj@gmail.com>
 

gcc/config/nds32/nds32-multiple.md

@@ -3731,14 +3731,15 @@
 ;; operands[2] is the number of bytes to move.
 ;; operands[3] is the known shared alignment.
 
-(define_expand "movmemqi"
+
+(define_expand "movmemsi"
   [(match_operand:BLK 0 "general_operand" "")
    (match_operand:BLK 1 "general_operand" "")
-   (match_operand:SI 2 "const_int_operand" "")
+   (match_operand:SI 2 "nds32_reg_constant_operand" "")
    (match_operand:SI 3 "const_int_operand" "")]
   ""
 {
-  if (nds32_expand_movmemqi (operands[0],
+  if (nds32_expand_movmemsi (operands[0],
 			     operands[1],
 			     operands[2],
 			     operands[3]))

gcc/config/nds32/nds32-protos.h

@@ -68,7 +68,7 @@ extern bool nds32_valid_smw_lwm_base_p (rtx);
 
 extern rtx nds32_expand_load_multiple (int, int, rtx, rtx, bool, rtx *);
 extern rtx nds32_expand_store_multiple (int, int, rtx, rtx, bool, rtx *);
-extern int nds32_expand_movmemqi (rtx, rtx, rtx, rtx);
+extern bool nds32_expand_movmemsi (rtx, rtx, rtx, rtx);
 
 /* Auxiliary functions for expand unalign load instruction.  */