+1999-09-14 Mark Mitchell <mark@codesourcery.com>
+
+ * decl.c (build_target_expr): Set TREE_SIDE_EFFECTS on the
+ TARGET_EXPR.
+ * call.c (build_over_call): Don't set TREE_SIDE_EFFECTS on
+ the TARGET_EXPR.
+ * cvt.c (build_up_reference): Likewise.
+ * tree.c (build_cplus_new): Likewise.
+ (get_target_expr): Likewise.
+
Tue Sep 14 01:45:10 1999 Marc Espie <espie@cvs.openbsd.org>
* Makefile.in: Prepend $(SHELL) to move-if-change calls.
{
val = build_decl (VAR_DECL, NULL_TREE, DECL_CONTEXT (fn));
val = build_target_expr (val, arg);
- TREE_SIDE_EFFECTS (val) = 1;
return val;
}
}
tree slot = build_decl (VAR_DECL, NULL_TREE, argtype);
DECL_ARTIFICIAL (slot) = 1;
arg = build_target_expr (slot, arg);
- TREE_SIDE_EFFECTS (arg) = 1;
}
/* If we had a way to wrap this up, and say, if we ever needed it's
tree decl;
tree value;
{
- return build (TARGET_EXPR, TREE_TYPE (decl), decl, value,
- maybe_build_cleanup (decl), NULL_TREE);
+ tree t;
+
+ t = build (TARGET_EXPR, TREE_TYPE (decl), decl, value,
+ maybe_build_cleanup (decl), NULL_TREE);
+ /* We always set TREE_SIDE_EFFECTS so that expand_expr does not
+ ignore the TARGET_EXPR. If there really turn out to be no
+ side-effects, then the optimizer should be able to get rid of
+ whatever code is generated anyhow. */
+ TREE_SIDE_EFFECTS (t) = 1;
+
+ return t;
}
/* If DECL is of a type which needs a cleanup, build that cleanup
&& TREE_CODE (TREE_OPERAND (fn, 0)) == FUNCTION_DECL
&& DECL_CONSTRUCTOR_P (TREE_OPERAND (fn, 0)));
rval = build_target_expr (slot, rval);
- TREE_SIDE_EFFECTS (rval) = 1;
return rval;
}
DECL_ARTIFICIAL (slot) = 1;
layout_decl (slot, 0);
rval = build_target_expr (slot, init);
- TREE_SIDE_EFFECTS (rval) = 1;
return rval;
}