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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/memmodel.h4
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7745ef61548..624bf15d94a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-19 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/84643
+ * memmodel.h (enum memmodel): Add MEMMODEL_MAX enumerator.
+
2018-03-19 Maxim Ostapenko <m.ostapenko@samsung.com>
PR sanitizer/78651
diff --git a/gcc/memmodel.h b/gcc/memmodel.h
index d793f3eedb0..f0a3f7c48d0 100644
--- a/gcc/memmodel.h
+++ b/gcc/memmodel.h
@@ -45,7 +45,9 @@ enum memmodel
MEMMODEL_LAST = 6,
MEMMODEL_SYNC_ACQUIRE = MEMMODEL_ACQUIRE | MEMMODEL_SYNC,
MEMMODEL_SYNC_RELEASE = MEMMODEL_RELEASE | MEMMODEL_SYNC,
- MEMMODEL_SYNC_SEQ_CST = MEMMODEL_SEQ_CST | MEMMODEL_SYNC
+ MEMMODEL_SYNC_SEQ_CST = MEMMODEL_SEQ_CST | MEMMODEL_SYNC,
+ /* Say that all the higher bits are valid target extensions. */
+ MEMMODEL_MAX = INTTYPE_MAXIMUM (int)
};
/* Return the memory model from a host integer. */