FIx m32r port WRT fallthru

[Jeff Law]

And the same for m32r.  Again, it's got the fallthru marked, just not in 
a way we handle.  Installing on the trunk.

Jeff
commit 024d7f4c44ddf36bf76658937abf9da039228ce8
Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed Oct 26 16:02:58 2016 +0000

        * config/m32r/m32r.c (m32r_print_operand): Adjust fallthru comment.
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241571 
138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 560ec37..1e03936 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2016-10-26  Jeff Law  <l...@redhat.com>
 
+       * config/m32r/m32r.c (m32r_print_operand): Adjust fallthru comment.
+
        * config/mcore/mcore.c (mcore_gen_compare): Adjust fallthru comments.
 
        * config/microblaze/microblaze.c (microblaze_function_arg): Adjust
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index 17e48f5..41c6b60 100644
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -2278,7 +2278,8 @@ m32r_print_operand (FILE * file, rtx x, int code)
          break;
        }
 
-      /* Fall through.  Let output_addr_const deal with it.  */
+      /* FALLTHRU */
+      /* Let output_addr_const deal with it.  */
 
     default :
       output_addr_const (file, x);