From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1CxbBF-0003Iz-EU
	for qemu-devel@nongnu.org; Sat, 05 Feb 2005 20:25:41 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1CxbB0-0003CX-Cm
	for qemu-devel@nongnu.org; Sat, 05 Feb 2005 20:25:28 -0500
Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1CxbAy-00039c-W8
	for qemu-devel@nongnu.org; Sat, 05 Feb 2005 20:25:25 -0500
Received: from [65.74.133.9] (helo=mail.codesourcery.com)
	by monty-python.gnu.org with esmtp (TLSv1:DES-CBC3-SHA:168)
	(Exim 4.34) id 1Cxapq-0006Bh-TP
	for qemu-devel@nongnu.org; Sat, 05 Feb 2005 20:03:35 -0500
From: Paul Brook <paul@codesourcery.com>
Date: Sun, 6 Feb 2005 01:03:29 +0000
MIME-Version: 1.0
Content-Type: text/plain;
  charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200502060103.30562.paul@codesourcery.com>
Subject: [Qemu-devel] Arm host float endian fix
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org

The newer arm VFP floating point units store double values with natural 
word-ordering, unlike the old FPA unit which always used big-endian.

Patch below updates host conditionals to reflect this.

Paul

Index: cpu-all.h
===================================================================
RCS file: /cvsroot/qemu/qemu/cpu-all.h,v
retrieving revision 1.39
diff -u -p -r1.39 cpu-all.h
--- cpu-all.h 28 Jan 2005 22:37:22 -0000 1.39
+++ cpu-all.h 6 Feb 2005 00:57:27 -0000
@@ -114,10 +114,11 @@ static inline void tswap64s(uint64_t *s)
 #define tswapls(s) tswap64s((uint64_t *)(s))
 #endif
 
-/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */
+/* NOTE: arm FPA is horrible as double 32 bit words are stored in big endian!
+ */
 typedef union {
     double d;
-#if !defined(WORDS_BIGENDIAN) && !defined(__arm__)
+#if !defined(WORDS_BIGENDIAN) && !defined(__arm__) && !defined (__VFP_FP__)
     struct {
         uint32_t lower;
         uint32_t upper;