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-rw-r--r--lib/rbcodec/codecs/libmusepack/synth_filter_coldfire.S78
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libmusepack/synth_filter_coldfire.S b/lib/rbcodec/codecs/libmusepack/synth_filter_coldfire.S
new file mode 100644
index 0000000000..758ab3d496
--- /dev/null
+++ b/lib/rbcodec/codecs/libmusepack/synth_filter_coldfire.S
@@ -0,0 +1,78 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Thom Johansen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+/*
+ * static void
+ * mpc_decoder_windowing_D(MPC_SAMPLE_FORMAT * Data,
+ * const MPC_SAMPLE_FORMAT * V,
+ * const MPC_SAMPLE_FORMAT * D)
+ */
+
+#if defined(USE_IRAM)
+ .section .icode
+#else
+ .text
+#endif
+ .align 2
+ .global mpc_decoder_windowing_D
+ .type mpc_decoder_windowing_D, @function
+
+mpc_decoder_windowing_D:
+ lea.l (-9*4, %sp), %sp
+ movem.l %d2-%d7/%a2-%a4, (%sp) | save some registers
+ movem.l (9*4+4, %sp), %a0-%a2 | a0 = Data, a1 = V, a2 = D
+ moveq.l #32, %d0 | loop counter
+
+ move.l (%a1), %a4
+ 0: | loop
+ movem.l (%a2), %d1-%d7/%a3
+
+ mac.l %d1, %a4, ( 96*4, %a1), %a4, %acc0
+ mac.l %d2, %a4, (128*4, %a1), %a4, %acc0
+ mac.l %d3, %a4, (224*4, %a1), %a4, %acc0
+ mac.l %d4, %a4, (256*4, %a1), %a4, %acc0
+ mac.l %d5, %a4, (352*4, %a1), %a4, %acc0
+ mac.l %d6, %a4, (384*4, %a1), %a4, %acc0
+ mac.l %d7, %a4, (480*4, %a1), %a4, %acc0
+ mac.l %a3, %a4, (512*4, %a1), %a4, %acc0
+ movem.l (8*4, %a2), %d1-%d7/%a3
+ mac.l %d1, %a4, (608*4, %a1), %a4, %acc0
+ mac.l %d2, %a4, (640*4, %a1), %a4, %acc0
+ mac.l %d3, %a4, (736*4, %a1), %a4, %acc0
+ mac.l %d4, %a4, (768*4, %a1), %a4, %acc0
+ mac.l %d5, %a4, (864*4, %a1), %a4, %acc0
+ mac.l %d6, %a4, (896*4, %a1), %a4, %acc0
+ mac.l %d7, %a4, (992*4, %a1), %a4, %acc0
+ mac.l %a3, %a4, ( 4, %a1), %a4, %acc0
+
+ lea.l (16*4, %a2), %a2
+ addq.l #4, %a1
+ movclr.l %acc0, %d1
+ lsl.l #1, %d1
+ move.l %d1, (%a0)+
+ subq.l #1, %d0
+ bne 0b
+
+ movem.l (%sp), %d2-%d7/%a2-%a4 | restore stacked regs
+ lea.l (9*4, %sp), %sp
+ rts
+