OpenJPH
Open-source implementation of JPEG2000 Part-15
ojph_codestream_sse.cpp
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1//***************************************************************************/
2// This software is released under the 2-Clause BSD license, included
3// below.
4//
5// Copyright (c) 2022, Aous Naman
6// Copyright (c) 2022, Kakadu Software Pty Ltd, Australia
7// Copyright (c) 2022, The University of New South Wales, Australia
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions are
11// met:
12//
13// 1. Redistributions of source code must retain the above copyright
14// notice, this list of conditions and the following disclaimer.
15//
16// 2. Redistributions in binary form must reproduce the above copyright
17// notice, this list of conditions and the following disclaimer in the
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20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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31//***************************************************************************/
32// This file is part of the OpenJPH software implementation.
33// File: ojph_codestream_sse.cpp
34// Author: Aous Naman
35// Date: 15 May 2022
36//***************************************************************************/
37
38#include <immintrin.h>
39#include "ojph_defs.h"
40
41namespace ojph {
42 namespace local {
43
45 void sse_mem_clear(void* addr, size_t count)
46 {
47 float* p = (float*)addr;
48 __m128 zero = _mm_setzero_ps();
49 for (size_t i = 0; i < count; i += 16, p += 4)
50 _mm_storeu_ps(p, zero);
51 }
52
53 }
54}
void sse_mem_clear(void *addr, size_t count)