From d58247a32166e5bb072261dc258a237a8d26a39b Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Fri, 16 Jul 2004 13:34:12 -0700
Subject: [PATCH] * function.c (pass_by_reference): True for all variable sized
types.
From-SVN: r84829
---
gcc/ChangeLog | 4 ++++
gcc/function.c | 5 ++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e34f5f080252..c579dd50f8ce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-07-16 Richard Henderson <rth@redhat.com>
+
+ * function.c (pass_by_reference): True for all variable sized types.
+
2004-07-16 Sebastian Pop <pop@cri.ensmp.fr>
* Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
diff --git a/gcc/function.c b/gcc/function.c
index cddade0a7511..23fb74cf6761 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -2039,9 +2039,8 @@ pass_by_reference (CUMULATIVE_ARGS *ca, enum machine_mode mode,
if (TREE_ADDRESSABLE (type))
return true;
- /* If an object's size is dependent on itself, there's no way
- to *not* pass by reference. */
- if (CONTAINS_PLACEHOLDER_P (TYPE_SIZE (type)))
+ /* GCC post 3.4 passes *all* variable sized types by reference. */
+ if (!TYPE_SIZE (type) || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
return true;
}
--
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