Thom Johansen's first EMAC optimisation for the Coldfire - about a 3%-4% speedup

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6024 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 8 insertions, 0 deletions

diff --git a/apps/codecs/libFLAC/stream_decoder.c b/apps/codecs/libFLAC/stream_decoder.c
index ec43314fe9..eb78d18be0 100644
--- a/apps/codecs/libFLAC/stream_decoder.c
+++ b/apps/codecs/libFLAC/stream_decoder.c
@@ -43,6 +43,10 @@
 #include "private/lpc.h"
 #include "private/memory.h"
 
+#if CONFIG_CPU==MCF5249
+#include <private/coldfire.h>
+#endif
+
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
@@ -298,7 +302,11 @@ FLAC_API FLAC__StreamDecoderState FLAC__stream_decoder_init(FLAC__StreamDecoder
         decoder->private_->local_lpc_restore_signal = FLAC__lpc_restore_signal;
         decoder->private_->local_lpc_restore_signal_64bit = FLAC__lpc_restore_signal_wide;
         decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal;
+#if CONFIG_CPU==MCF5249 && !SIMULATOR
+        decoder->private_->local_lpc_restore_signal_16bit_order8 = FLAC__lpc_restore_signal_order8_mac;
+#else
         decoder->private_->local_lpc_restore_signal_16bit_order8 = FLAC__lpc_restore_signal;
+#endif
         /* now override with asm where appropriate */
 #ifndef FLAC__NO_ASM
         if(decoder->private_->cpuinfo.use_asm) {