1 files changed, 33 insertions, 0 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse2.h b/chromium/third_party/libvpx/source/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse2.h
new file mode 100644
index 00000000000..774cce1d40c
--- /dev/null
+++ b/chromium/third_party/libvpx/source/libvpx/vpx_dsp/x86/highbd_inv_txfm_sse2.h
@@ -0,0 +1,33 @@
+/*
+ *  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.
+ */
+
+#ifndef VPX_DSP_X86_HIGHBD_INV_TXFM_SSE2_H_
+#define VPX_DSP_X86_HIGHBD_INV_TXFM_SSE2_H_
+
+#include <emmintrin.h>  // SSE2
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/inv_txfm.h"
+#include "vpx_dsp/x86/txfm_common_sse2.h"
+
+static INLINE __m128i clamp_high_sse2(__m128i value, int bd) {
+  __m128i ubounded, retval;
+  const __m128i zero = _mm_set1_epi16(0);
+  const __m128i one = _mm_set1_epi16(1);
+  const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one);
+  ubounded = _mm_cmpgt_epi16(value, max);
+  retval = _mm_andnot_si128(ubounded, value);
+  ubounded = _mm_and_si128(ubounded, max);
+  retval = _mm_or_si128(retval, ubounded);
+  retval = _mm_and_si128(retval, _mm_cmpgt_epi16(retval, zero));
+  return retval;
+}
+
+#endif  // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE2_H_