arc.c (acr_print_operand): Adjust fallthru comment.

	* config/arc/arc.c (acr_print_operand): Adjust fallthru comment.
	(check_if_valid_sleep_operand): Add missing fallthru comment.
	(arc_register_move_cost): Increase buffer size.
	* config/arc/arc.md (cbranch4si_scratch): Add missing fallthru
	comment.
	* config/arc/predicates.md (move_str_operand): Avoid fallthru.

From-SVN: r241585

gcc/ChangeLog

 2016-10-26  Jeff Law  <law@redhat.com>
 
+	* config/arc/arc.c (acr_print_operand): Adjust fallthru comment.
+	(check_if_valid_sleep_operand): Add missing fallthru comment.
+	(arc_register_move_cost): Increase buffer size.
+	* config/arc/arc.md (cbranch4si_scratch): Add missing fallthru
+	comment.
+	* config/arc/predicates.md (move_str_operand): Avoid fallthru.
+
 	* config/cr16/cr16.c (cr16_print_operand): Add missing fallthru
 	comment.  Add gcc_unreachable for path that should never happen.
 

gcc/config/arc/arc.c

@@ -3459,7 +3459,8 @@ arc_print_operand (FILE *file, rtx x, int code)
 	  fprintf (file, "0x%08lx", l);
 	  break;
 	}
-      /* Fall through.  Let output_addr_const deal with it.  */
+      /* FALLTHRU */
+      /* Let output_addr_const deal with it.  */
     default :
       if (flag_pic
 	  || (GET_CODE (x) == CONST
@@ -6197,6 +6198,7 @@ check_if_valid_sleep_operand (rtx *operands, int opno)
     case CONST_INT :
 	if( UNSIGNED_INT6 (INTVAL (operands[opno])))
 	    return true;
+    /* FALLTHRU */
     default:
 	fatal_error (input_location,
 		     "operand for sleep instruction must be an unsigned 6 bit compile-time constant");
@@ -7284,7 +7286,7 @@ arc_register_move_cost (machine_mode,
 int
 arc_output_addsi (rtx *operands, bool cond_p, bool output_p)
 {
-  char format[32];
+  char format[35];
 
   int match = operands_match_p (operands[0], operands[1]);
   int match2 = operands_match_p (operands[0], operands[2]);

gcc/config/arc/arc.md

@@ -4891,6 +4891,7 @@
        case 4: return \"br%d0%* %1, %B2, %^%l3\";
        case 8: if (!brcc_nolimm_operator (operands[0], VOIDmode))
 		 return \"br%d0%* %1, %B2, %^%l3\";
+       /* FALLTHRU */
        case 6: case 10:
        case 12:return \"cmp%? %1, %B2\\n\\tb%d0%* %^%l3%&;br%d0 out of range\";
        default: fprintf (stderr, \"unexpected length %d\\n\", get_attr_length (insn)); fflush (stderr); gcc_unreachable ();

gcc/config/arc/predicates.md

@@ -266,6 +266,7 @@
     case SYMBOL_REF :
       if (SYMBOL_REF_TLS_MODEL (op))
 	return 0;
+      return 1;
     case LABEL_REF :
       return 1;
     case CONST :