libvpx: Pull from upstream

source/libvpx/vp9/encoder/mips/msa/vp9_fdct8x8_msa.c

+/*
+ *  Copyright (c) 2015 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.
+ */
+
+#include <assert.h>
+
+#include "./vp9_rtcd.h"
+#include "vp9/encoder/mips/msa/vp9_fdct_msa.h"
+
+void vp9_fdct8x8_msa(const int16_t *input, int16_t *output,
+                     int32_t src_stride) {
+  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+
+  LD_SH8(input, src_stride, in0, in1, in2, in3, in4, in5, in6, in7);
+  SLLI_4V(in0, in1, in2, in3, 2);
+  SLLI_4V(in4, in5, in6, in7, 2);
+  VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+            in0, in1, in2, in3, in4, in5, in6, in7);
+  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                     in0, in1, in2, in3, in4, in5, in6, in7);
+  VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+            in0, in1, in2, in3, in4, in5, in6, in7);
+  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                     in0, in1, in2, in3, in4, in5, in6, in7);
+  VP9_SRLI_AVE_S_4V_H(in0, in1, in2, in3, in4, in5, in6, in7);
+  ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8);
+}
+
+void vp9_fdct8x8_1_msa(const int16_t *input, int16_t *out, int32_t stride) {
+  out[0] = VP9_LD_HADD(input, stride);
+  out[1] = 0;
+}
+
+void vp9_fht8x8_msa(const int16_t *input, int16_t *output, int32_t stride,
+                    int32_t tx_type) {
+  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+
+  LD_SH8(input, stride, in0, in1, in2, in3, in4, in5, in6, in7);
+  SLLI_4V(in0, in1, in2, in3, 2);
+  SLLI_4V(in4, in5, in6, in7, 2);
+
+  switch (tx_type) {
+    case DCT_DCT:
+      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                         in0, in1, in2, in3, in4, in5, in6, in7);
+      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      break;
+    case ADST_DCT:
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                         in0, in1, in2, in3, in4, in5, in6, in7);
+      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      break;
+    case DCT_ADST:
+      VP9_FDCT8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                         in0, in1, in2, in3, in4, in5, in6, in7);
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      break;
+    case ADST_ADST:
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                         in0, in1, in2, in3, in4, in5, in6, in7);
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+                in0, in1, in2, in3, in4, in5, in6, in7);
+      break;
+    default:
+      assert(0);
+      break;
+  }
+
+  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+                     in0, in1, in2, in3, in4, in5, in6, in7);
+  VP9_SRLI_AVE_S_4V_H(in0, in1, in2, in3, in4, in5, in6, in7);
+  ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8);
+}