bfin.c (bfin_legitimate_address_p): Add missing fallthru comment.

	* config/bfin/bfin.c (bfin_legitimate_address_p): Add missing
	fallthru comment.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.

From-SVN: r241651

gcc/ChangeLog

+2016-10-28  Jeff Law  <law@redhat.com>
+
+	* config/bfin/bfin.c (bfin_legitimate_address_p): Add missing
+	fallthru comment.
+	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
+
 2016-10-28  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR rtl-optimization/78029

gcc/config/bfin/bfin.c

@@ -2718,6 +2718,7 @@ bfin_legitimate_address_p (machine_mode mode, rtx x, bool strict)
 	&& REG_P (XEXP (x, 0))
 	&& bfin_valid_reg_p (REGNO (XEXP (x, 0)), strict, mode, POST_INC))
       return true;
+    break;
   case PRE_DEC:
     if (LEGITIMATE_MODE_FOR_AUTOINC_P (mode)
 	&& XEXP (x, 0) == stack_pointer_rtx

gcc/config/bfin/bfin.h

@@ -110,30 +110,35 @@
 	  break;				\
 	case BFIN_CPU_BF542M:			\
 	  builtin_define ("__ADSPBF542M__");	\
+	  /* FALLTHRU */			\
 	case BFIN_CPU_BF542:			\
 	  builtin_define ("__ADSPBF542__");	\
 	  builtin_define ("__ADSPBF54x__");	\
 	  break;				\
 	case BFIN_CPU_BF544M:			\
 	  builtin_define ("__ADSPBF544M__");	\
+	  /* FALLTHRU */			\
 	case BFIN_CPU_BF544:			\
 	  builtin_define ("__ADSPBF544__");	\
 	  builtin_define ("__ADSPBF54x__");	\
 	  break;				\
 	case BFIN_CPU_BF547M:			\
 	  builtin_define ("__ADSPBF547M__");	\
+	  /* FALLTHRU */			\
 	case BFIN_CPU_BF547:			\
 	  builtin_define ("__ADSPBF547__");	\
 	  builtin_define ("__ADSPBF54x__");	\
 	  break;				\
 	case BFIN_CPU_BF548M:			\
 	  builtin_define ("__ADSPBF548M__");	\
+	  /* FALLTHRU */			\
 	case BFIN_CPU_BF548:			\
 	  builtin_define ("__ADSPBF548__");	\
 	  builtin_define ("__ADSPBF54x__");	\
 	  break;				\
 	case BFIN_CPU_BF549M:			\
 	  builtin_define ("__ADSPBF549M__");	\
+	  /* FALLTHRU */			\
 	case BFIN_CPU_BF549:			\
 	  builtin_define ("__ADSPBF549__");	\
 	  builtin_define ("__ADSPBF54x__");	\