re PR rtl-optimization/84643 (gcc/optabs.c:6549:26: runtime error: load of value...

	PR rtl-optimization/84643
	* memmodel.h (enum memmodel): Add MEMMODEL_MAX enumerator.

From-SVN: r258662

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7745ef615481de93a7f46163d9ac571f21bf0ed2..624bf15d94a8b58f9fb58cda7cbd028d97891043 100644 (file)
--- 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 d793f3eedb0cdb7ee01e321304ef81c0a3f393ff..f0a3f7c48d00ee7977488aa0131ea699d4c8ef66 100644 (file)
--- 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.  */