1 files changed, 47 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct4x4_add_sse4.c b/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct4x4_add_sse4.c
new file mode 100644
index 0000000000..fe74d272ad
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct4x4_add_sse4.c
@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2017 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 <smmintrin.h>  // SSE4.1
+
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
+#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h"
+#include "vpx_dsp/x86/inv_txfm_sse2.h"
+#include "vpx_dsp/x86/transpose_sse2.h"
+
+void vpx_highbd_idct4x4_16_add_sse4_1(const tran_low_t *input, uint16_t *dest,
+                                      int stride, int bd) {
+  __m128i io[4];
+
+  io[0] = _mm_load_si128((const __m128i *)(input + 0));
+  io[1] = _mm_load_si128((const __m128i *)(input + 4));
+  io[2] = _mm_load_si128((const __m128i *)(input + 8));
+  io[3] = _mm_load_si128((const __m128i *)(input + 12));
+
+  if (bd == 8) {
+    __m128i io_short[2];
+
+    io_short[0] = _mm_packs_epi32(io[0], io[1]);
+    io_short[1] = _mm_packs_epi32(io[2], io[3]);
+    idct4_sse2(io_short);
+    idct4_sse2(io_short);
+    io_short[0] = _mm_add_epi16(io_short[0], _mm_set1_epi16(8));
+    io_short[1] = _mm_add_epi16(io_short[1], _mm_set1_epi16(8));
+    io[0] = _mm_srai_epi16(io_short[0], 4);
+    io[1] = _mm_srai_epi16(io_short[1], 4);
+  } else {
+    highbd_idct4_sse4_1(io);
+    highbd_idct4_sse4_1(io);
+    io[0] = wraplow_16bit_shift4(io[0], io[1], _mm_set1_epi32(8));
+    io[1] = wraplow_16bit_shift4(io[2], io[3], _mm_set1_epi32(8));
+  }
+
+  recon_and_store_4x4(io, dest, stride, bd);
+}