Fix mcore WRT fallthru

[Jeff Law]

And similarly for mcore.  Installing on the trunk.

Jeff

commit 71ab5ec1fc6e513112580bfe9c14a6cc1a2ad649
Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Oct 26 15:59:34 2016 +0000

        * config/mcore/mcore.c (mcore_gen_compare): Adjust fallthru comments.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241569 
138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f4a4be0..560ec37 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2016-10-26  Jeff Law  <l...@redhat.com>
 
+       * config/mcore/mcore.c (mcore_gen_compare): Adjust fallthru comments.
+
        * config/microblaze/microblaze.c (microblaze_function_arg): Adjust
        fallthru comment.
 
diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c
index b8dc2d0..bdb8431 100644
--- a/gcc/config/mcore/mcore.c
+++ b/gcc/config/mcore/mcore.c
@@ -611,7 +611,7 @@ mcore_gen_compare (enum rtx_code code, rtx op0, rtx op1)
     case EQ:   /* Use inverted condition, cmpne.  */
       code = NE;
       invert = true;
-      /* Drop through.  */
+      /* FALLTHRU */
       
     case NE:   /* Use normal condition, cmpne.  */
       if (GET_CODE (op1) == CONST_INT && ! CONST_OK_FOR_K (INTVAL (op1)))
@@ -621,7 +621,7 @@ mcore_gen_compare (enum rtx_code code, rtx op0, rtx op1)
     case LE:   /* Use inverted condition, reversed cmplt.  */
       code = GT;
       invert = true;
-      /* Drop through.  */
+      /* FALLTHRU */
       
     case GT:   /* Use normal condition, reversed cmplt.  */
       if (GET_CODE (op1) == CONST_INT)
@@ -631,7 +631,7 @@ mcore_gen_compare (enum rtx_code code, rtx op0, rtx op1)
     case GE:   /* Use inverted condition, cmplt.  */
       code = LT;
       invert = true;
-      /* Drop through.  */
+      /* FALLTHRU */
       
     case LT:   /* Use normal condition, cmplt.  */
       if (GET_CODE (op1) == CONST_INT && 
@@ -646,7 +646,7 @@ mcore_gen_compare (enum rtx_code code, rtx op0, rtx op1)
       gcc_assert (GET_CODE (op1) != CONST_INT || INTVAL (op1) != 0);
       code = LEU;
       invert = true;
-      /* Drop through.  */
+      /* FALLTHRU */
       
     case LEU:  /* Use normal condition, reversed cmphs.  */
       if (GET_CODE (op1) == CONST_INT && INTVAL (op1) != 0)
@@ -656,7 +656,7 @@ mcore_gen_compare (enum rtx_code code, rtx op0, rtx op1)
     case LTU:  /* Use inverted condition, cmphs.  */
       code = GEU;
       invert = true;
-      /* Drop through.  */
+      /* FALLTHRU */
       
     case GEU:  /* Use normal condition, cmphs.  */
       if (GET_CODE (op1) == CONST_INT && INTVAL (op1) != 0)