1 files changed, 62 insertions, 0 deletions
diff --git a/vpx_dsp/mips/common_dspr2.h b/vpx_dsp/mips/common_dspr2.h
new file mode 100644
index 000000000..879e2d0c6
--- /dev/null
+++ b/vpx_dsp/mips/common_dspr2.h
@@ -0,0 +1,62 @@
+/*
+ *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_COMMON_MIPS_DSPR2_H_
+#define VPX_COMMON_MIPS_DSPR2_H_
+
+#include <assert.h>
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#if HAVE_DSPR2
+#define CROP_WIDTH 512
+
+static INLINE void vp9_prefetch_load(const unsigned char *src) {
+  __asm__ __volatile__ (
+      "pref   0,  0(%[src])   \n\t"
+      :
+      : [src] "r" (src)
+  );
+}
+
+/* prefetch data for store */
+static INLINE void vp9_prefetch_store(unsigned char *dst) {
+  __asm__ __volatile__ (
+      "pref   1,  0(%[dst])   \n\t"
+      :
+      : [dst] "r" (dst)
+  );
+}
+
+static INLINE void vp9_prefetch_load_streamed(const unsigned char *src) {
+  __asm__ __volatile__ (
+      "pref   4,  0(%[src])   \n\t"
+      :
+      : [src] "r" (src)
+  );
+}
+
+/* prefetch data for store */
+static INLINE void vp9_prefetch_store_streamed(unsigned char *dst) {
+  __asm__ __volatile__ (
+      "pref   5,  0(%[dst])   \n\t"
+      :
+      : [dst] "r" (dst)
+  );
+}
+#endif  // #if HAVE_DSPR2
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_COMMON_MIPS_DSPR2_H_