From: Craig Rodrigues <rodrigc@gcc.gnu.org>
Date: Sun, 6 Jan 2002 20:54:52 +0000 (+0000)
Subject: emit-rtl.c (gen_highpart): Add check for NULL_RTX.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=13b8c631f3de14db139d611bda3453bc10139d44;p=gcc.git

emit-rtl.c (gen_highpart): Add check for NULL_RTX.

2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * emit-rtl.c (gen_highpart): Add check for NULL_RTX.

From-SVN: r48586
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dd3c5cd3f3e..5c2a0ea8385 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
+
+	* emit-rtl.c (gen_highpart): Add check for NULL_RTX.
+
 2002-01-06  Jakub Jelinek  <jakub@redhat.com>
 
 	* objc/objc-act.c (handle_impent): Use assemble_variable to emit
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 6efdad7cb07..c3b8ddc3560 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1200,7 +1200,7 @@ gen_highpart (mode, x)
   /* simplify_gen_subreg is not guaranteed to return a valid operand for
      the target if we have a MEM.  gen_highpart must return a valid operand,
      emitting code if necessary to do so.  */
-  if (GET_CODE (result) == MEM)
+  if (result != NULL_RTX && GET_CODE (result) == MEM)
     result = validize_mem (result);
 
   if (!result)