+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-flow-inline.h (var_can_have_subvars):
+ Volatile variables should not have subvariables.
+
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * gcc.c-torture/compile/volatile-1.c: New test.
+
From-SVN: r110796
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-flow-inline.h (var_can_have_subvars):
+ Volatile variables should not have subvariables.
+
2006-02-09 Diego Novillo <dnovillo@redhat.com>
PR 26180
+2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * gcc.c-torture/compile/volatile-1.c: New test.
+
2006-02-09 Diego Novillo <dnovillo@redhat.com>
PR 26180
--- /dev/null
+/* The problem here was that the statements that
+ loaded from exception.reason where not being
+ marked as having volatile behaviour which
+ caused load PRE on the tree level to go
+ into an infinite loop. */
+
+struct gdb_exception
+{
+ int reason;
+};
+int catch_exceptions_with_msg (int *gdberrmsg)
+{
+ volatile struct gdb_exception exception;
+ exceptions_state_mc_init (&(exception));
+ if (exception.reason != 0)
+ foo ();
+ return exception.reason;
+}
static inline bool
var_can_have_subvars (tree v)
{
+ /* Volatile variables should never have subvars. */
+ if (TREE_THIS_VOLATILE (v))
+ return false;
+
/* Non decls or memory tags can never have subvars. */
if (!DECL_P (v) || MTAG_P (v))
return false;