libvpx: Pull from upstream

source/libvpx/vp9/common/mips/dspr2/vp9_common_dspr2.h

Index: source/libvpx/vp9/common/mips/dspr2/vp9_common_dspr2.h
===================================================================
--- source/libvpx/vp9/common/mips/dspr2/vp9_common_dspr2.h	(revision 0)
+++ source/libvpx/vp9/common/mips/dspr2/vp9_common_dspr2.h	(revision 0)
@@ -0,0 +1,117 @@
+/*
+ *  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 VP9_COMMON_VP9_COMMON_DSPR2_H_
+#define VP9_COMMON_VP9_COMMON_DSPR2_H_
+
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vp9/common/vp9_common.h"
+
+#if HAVE_DSPR2
+#define CROP_WIDTH 512
+extern uint8_t *vp9_ff_cropTbl;
+
+#define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input)                    ({   \
+                                                                               \
+  int32_t tmp, out;                                                            \
+  int     dct_cost_rounding = DCT_CONST_ROUNDING;                              \
+  int     in = input;                                                          \
+                                                                               \
+  __asm__ __volatile__ (                                                       \
+      /* out = dct_const_round_shift(input_dc * cospi_16_64); */               \
+      "mtlo     %[dct_cost_rounding],   $ac1                              \n\t"\
+      "mthi     $zero,                  $ac1                              \n\t"\
+      "madd     $ac1,                   %[in],            %[cospi_16_64]  \n\t"\
+      "extp     %[tmp],                 $ac1,             31              \n\t"\
+                                                                               \
+      /* out = dct_const_round_shift(out * cospi_16_64); */                    \
+      "mtlo     %[dct_cost_rounding],   $ac2                              \n\t"\
+      "mthi     $zero,                  $ac2                              \n\t"\
+      "madd     $ac2,                   %[tmp],           %[cospi_16_64]  \n\t"\
+      "extp     %[out],                 $ac2,             31              \n\t"\
+                                                                               \
+      : [tmp] "=&r" (tmp), [out] "=r" (out)                                    \
+      : [in] "r" (in),                                                         \
+        [dct_cost_rounding] "r" (dct_cost_rounding),                           \
+        [cospi_16_64] "r" (cospi_16_64)                                        \
+   );                                                                          \
+  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_1d_cols_add_blk_dspr2(int16_t *input, uint8_t *dest,
+                                      int dest_stride);
+
+void vp9_convolve2_horiz_dspr2(const uint8_t *src, ptrdiff_t src_stride,
+                               uint8_t *dst, ptrdiff_t dst_stride,
+                               const int16_t *filter_x, int x_step_q4,
+                               const int16_t *filter_y, int y_step_q4,
+                               int w, int h);
+
+void vp9_convolve2_avg_horiz_dspr2(const uint8_t *src, ptrdiff_t src_stride,
+                                   uint8_t *dst, ptrdiff_t dst_stride,
+                                   const int16_t *filter_x, int x_step_q4,
+                                   const int16_t *filter_y, int y_step_q4,
+                                   int w, int h);
+
+void vp9_convolve2_avg_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride,
+                                  uint8_t *dst, ptrdiff_t dst_stride,
+                                  const int16_t *filter_x, int x_step_q4,
+                                  const int16_t *filter_y, int y_step_q4,
+                                  int w, int h);
+
+void vp9_convolve2_dspr2(const uint8_t *src, ptrdiff_t src_stride,
+                         uint8_t *dst, ptrdiff_t dst_stride,
+                         const int16_t *filter,
+                         int w, int h);
+
+void vp9_convolve2_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride,
+                              uint8_t *dst, ptrdiff_t dst_stride,
+                              const int16_t *filter_x, int x_step_q4,
+                              const int16_t *filter_y, int y_step_q4,
+                              int w, int h);
+
+#endif  // #if HAVE_DSPR2
+#endif  // VP9_COMMON_VP9_COMMON_DSPR2_H_