S/390: Add missing fallthrough comments.

gcc/ChangeLog:

2016-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_rtx_costs): Add /* fallthrough */.
	(s390_sched_score): Likewise.

From-SVN: r240495

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 59218b8ec5707280b12bd64fd116b4f052a42af6..bdebe60f82839171a4a98396b93aca4053a9b412 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-09-26  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
+       * config/s390/s390.c (s390_rtx_costs): Add /* fallthrough */.
+       (s390_sched_score): Likewise.
+
 2016-09-26  Martin Liska  <mliska@suse.cz>
 
        * doc/gcov.texi: Update program output of gcov tool.

diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 0b0e3600c66c255492de6ebcc5a738c8cd673c23..3bdb64871af9ed2756360e48543171261fd97496 100644 (file)
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -3467,6 +3467,7 @@ s390_rtx_costs (rtx x, machine_mode mode, int outer_code,
          *total = COSTS_N_INSNS (2);
          return true;
        }
+      /* fallthrough */
     case ASHIFT:
     case ASHIFTRT:
     case LSHIFTRT:
@@ -13855,6 +13856,7 @@ s390_sched_score (rtx_insn *insn)
        score += 5;
       if ((mask & S390_SCHED_ATTR_MASK_GROUPALONE) != 0)
        score += 10;
+      /* fallthrough */
     case 1:
       /* Prefer not cracked insns while trying to put together a
         group.  */