Create common dspr2 header file in vpx_dsp

Move the common prefetch_load/store in dspr2 to header file in
vpx_dsp/mips.

Change-Id: I8acc22970f2a0ef97d73061e39a3ae65c6955eac

vp9/common/mips/dspr2/vp9_common_dspr2.h

@@ -15,13 +15,13 @@
 
 #include "./vpx_config.h"
 #include "vpx/vpx_integer.h"
+#include "vpx_dsp/mips/common_dspr2.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #if HAVE_DSPR2
-#define CROP_WIDTH 512
 extern uint8_t *vp9_ff_cropTbl;
 
 #define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input)                    ({   \
@@ -50,40 +50,6 @@ extern uint8_t *vp9_ff_cropTbl;
    );                                                                          \
   out;                                                                    })
 
-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)
-  );
-}
-
 void vp9_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
                                    int dest_stride);
 

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_