Keep assembler versions of DSP routines in dsp_arch.S files. This also

solves the annoying register allocator problem when not using
-fomit-frame-pointer for the Coldfire assembler optimised crossfeed
routine.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9215 a1c6a512-1295-4272-9138-f99709370657

apps/dsp_asm.h

@@ -0,0 +1,31 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Thom Johansen
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <config.h>
+
+#ifndef _DSP_ASM_H
+#define _DSP_ASM_H
+
+#ifdef CPU_COLDFIRE
+#define DSP_HAVE_ASM_CROSSFEED
+void apply_crossfeed(int32_t* src[], int count);
+#endif
+
+#endif
+