Add MSA optimized I422ToYUY2Row, I422ToUYVYRow functions

source/convert_from_argb.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 535 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOYUY2ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToYUY2Row = I422ToYUY2Row_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOYUY2ROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    I422ToYUY2Row = I422ToYUY2Row_Any_MSA;
+    if (IS_ALIGNED(width, 32)) {
+      I422ToYUY2Row = I422ToYUY2Row_MSA;
+    }
+  }
+#endif
 
   {
     // Allocate a rows of yuv.
     align_buffer_64(row_y, ((width + 63) & ~63) * 2);
     uint8* row_u = row_y + ((width + 63) & ~63);
     uint8* row_v = row_u + ((width + 63) & ~63) / 2;
 
     for (y = 0; y < height; ++y) {
       ARGBToUVRow(src_argb, 0, row_u, row_v, width);
       ARGBToYRow(src_argb, row_y, width);
@@ skipping 82 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOUYVYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToUYVYRow = I422ToUYVYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_I422TOUYVYROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    I422ToUYVYRow = I422ToUYVYRow_Any_MSA;
+    if (IS_ALIGNED(width, 32)) {
+      I422ToUYVYRow = I422ToUYVYRow_MSA;
+    }
+  }
+#endif
 
   {
     // Allocate a rows of yuv.
     align_buffer_64(row_y, ((width + 63) & ~63) * 2);
     uint8* row_u = row_y + ((width + 63) & ~63);
     uint8* row_v = row_u + ((width + 63) & ~63) / 2;
 
     for (y = 0; y < height; ++y) {
       ARGBToUVRow(src_argb, 0, row_u, row_v, width);
       ARGBToYRow(src_argb, row_y, width);
@@ skipping 609 matching lines @@
     src_argb += src_stride_argb;
     dst_yj += dst_stride_yj;
   }
   return 0;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif