1 files changed, 29 insertions, 0 deletions
diff --git a/media/libaom/src/aom_dsp/x86/txfm_common_sse2.h b/media/libaom/src/aom_dsp/x86/txfm_common_sse2.h
new file mode 100644
index 000000000..ed82eee96
--- /dev/null
+++ b/media/libaom/src/aom_dsp/x86/txfm_common_sse2.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
+#define AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_
+
+#include <emmintrin.h>
+#include "aom/aom_integer.h"
+#include "aom_dsp/x86/synonyms.h"
+
+#define pair_set_epi16(a, b) \
+  _mm_set1_epi32((int32_t)(((uint16_t)(a)) | (((uint32_t)(b)) << 16)))
+
+// Reverse the 8 16 bit words in __m128i
+static INLINE __m128i mm_reverse_epi16(const __m128i x) {
+  const __m128i a = _mm_shufflelo_epi16(x, 0x1b);
+  const __m128i b = _mm_shufflehi_epi16(a, 0x1b);
+  return _mm_shuffle_epi32(b, 0x4e);
+}
+
+#endif  // AOM_AOM_DSP_X86_TXFM_COMMON_SSE2_H_