From: Richard Henderson <rth@redhat.com>
Date: Fri, 16 Jul 2004 20:34:12 +0000 (-0700)
Subject: * function.c (pass_by_reference): True for all variable sized types.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d58247a32166e5bb072261dc258a237a8d26a39b;p=gcc.git

* function.c (pass_by_reference): True for all variable sized types.

From-SVN: r84829
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e34f5f08025..c579dd50f8c 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 cddade0a751..23fb74cf676 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;
     }