[AArch64] Use plus_constant.

2013-09-20  Renlin Li  <renlin.li@arm.com>

	* config/aarch64/aarch64.c (aarch64_expand_prologue): Use plus_constant.
	(aarch64_expand_epilogue): Likewise.
	(aarch64_legitimize_reload_address): Likewise.

From-SVN: r202780

gcc/ChangeLog

+2013-09-20  Renlin Li  <renlin.li@arm.com>
+
+	* config/aarch64/aarch64.c (aarch64_expand_prologue): Use plus_constant.
+	(aarch64_expand_epilogue): Likewise.
+	(aarch64_legitimize_reload_address): Likewise.
+
 2013-09-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	PR middle-end/57748

gcc/config/aarch64/aarch64.c

@@ -2065,9 +2065,9 @@ aarch64_expand_prologue (void)
 	  emit_insn (gen_add2_insn (stack_pointer_rtx, op0));
 	  aarch64_set_frame_expr (gen_rtx_SET
 				  (Pmode, stack_pointer_rtx,
-				   gen_rtx_PLUS (Pmode,
-						 stack_pointer_rtx,
-						 GEN_INT (-frame_size))));
+				   plus_constant (Pmode,
+						  stack_pointer_rtx,
+						  -frame_size)));
 	}
       else if (frame_size > 0)
 	{
@@ -2151,9 +2151,9 @@ aarch64_expand_prologue (void)
 					   GEN_INT (fp_offset)));
 	  aarch64_set_frame_expr (gen_rtx_SET
 				  (Pmode, hard_frame_pointer_rtx,
-				   gen_rtx_PLUS (Pmode,
-						 stack_pointer_rtx,
-						 GEN_INT (fp_offset))));
+				   plus_constant (Pmode,
+						  stack_pointer_rtx,
+						  fp_offset)));
 	  RTX_FRAME_RELATED_P (insn) = 1;
 	  insn = emit_insn (gen_stack_tie (stack_pointer_rtx,
 					   hard_frame_pointer_rtx));
@@ -2349,9 +2349,9 @@ aarch64_expand_epilogue (bool for_sibcall)
 	  emit_insn (gen_add2_insn (stack_pointer_rtx, op0));
 	  aarch64_set_frame_expr (gen_rtx_SET
 				  (Pmode, stack_pointer_rtx,
-				   gen_rtx_PLUS (Pmode,
-						 stack_pointer_rtx,
-						 GEN_INT (frame_size))));
+				   plus_constant (Pmode,
+						  stack_pointer_rtx,
+						  frame_size)));
 	}
       else if (frame_size > 0)
 	{
@@ -2373,10 +2373,10 @@ aarch64_expand_epilogue (bool for_sibcall)
 	    }
 	}
 
-      aarch64_set_frame_expr (gen_rtx_SET (Pmode, stack_pointer_rtx,
-					   gen_rtx_PLUS (Pmode,
-							 stack_pointer_rtx,
-							 GEN_INT (offset))));
+        aarch64_set_frame_expr (gen_rtx_SET (Pmode, stack_pointer_rtx,
+					     plus_constant (Pmode,
+							    stack_pointer_rtx,
+							    offset)));
     }
 
   emit_use (gen_rtx_REG (DImode, LR_REGNUM));
@@ -4014,9 +4014,9 @@ aarch64_legitimize_reload_address (rtx *x_p,
 
       /* Reload high part into base reg, leaving the low part
 	 in the mem instruction.  */
-      x = gen_rtx_PLUS (xmode,
-			gen_rtx_PLUS (xmode, XEXP (x, 0), cst),
-			GEN_INT (low));
+      x = plus_constant (xmode,
+			 gen_rtx_PLUS (xmode, XEXP (x, 0), cst),
+			 low);
 
       push_reload (XEXP (x, 0), NULL_RTX, &XEXP (x, 0), NULL,
 		   BASE_REG_CLASS, xmode, VOIDmode, 0, 0,