Libyuv MIPS DSPR2 optimizations.

source/convert_from.cc

 /*
  *  Copyright 2012 The LibYuv 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.
  */
 
@@ skipping 690 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOARGB1555ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToARGB1555Row = I422ToARGB1555Row_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       I422ToARGB1555Row = I422ToARGB1555Row_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOARGB1555ROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    I422ToARGB1555Row = I422ToARGB1555Row_Any_DSPR2;
+    if (IS_ALIGNED(width, 4)) {
+      I422ToARGB1555Row = I422ToARGB1555Row_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_I422TOARGB1555ROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     I422ToARGB1555Row = I422ToARGB1555Row_Any_MSA;
     if (IS_ALIGNED(width, 8)) {
       I422ToARGB1555Row = I422ToARGB1555Row_MSA;
     }
   }
 #endif
 
   for (y = 0; y < height; ++y) {
@@ skipping 53 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOARGB4444ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToARGB4444Row = I422ToARGB4444Row_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       I422ToARGB4444Row = I422ToARGB4444Row_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOARGB4444ROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    I422ToARGB4444Row = I422ToARGB4444Row_Any_DSPR2;
+    if (IS_ALIGNED(width, 4)) {
+      I422ToARGB4444Row = I422ToARGB4444Row_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_I422TOARGB4444ROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     I422ToARGB4444Row = I422ToARGB4444Row_Any_MSA;
     if (IS_ALIGNED(width, 8)) {
       I422ToARGB4444Row = I422ToARGB4444Row_MSA;
     }
   }
 #endif
 
   for (y = 0; y < height; ++y) {
@@ skipping 366 matching lines @@
     default:
       return -1;  // unknown fourcc - return failure code.
   }
   return r;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif