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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/vector_math_testing.h"
#include <xmmintrin.h> // NOLINT
namespace media {
namespace vector_math {
void FMAC_SSE(const float src[], float scale, int len, float dest[]) {
const int rem = len % 4;
const int last_index = len - rem;
__m128 m_scale = _mm_set_ps1(scale);
for (int i = 0; i < last_index; i += 4) {
_mm_store_ps(dest + i, _mm_add_ps(_mm_load_ps(dest + i),
_mm_mul_ps(_mm_load_ps(src + i), m_scale)));
}
// Handle any remaining values that wouldn't fit in an SSE pass.
for (int i = last_index; i < len; ++i)
dest[i] += src[i] * scale;
}
} // namespace vector_math
} // namespace media
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