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libavutil/x86/intreadwrite.h
56 строк
2 KB
James Almer
x86/intreadwrite: add SSE2 optimized AV_COPY128U
30 июл 2024, 05:17
30 июл 2024, 05:17
9e7a93c
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/* * Copyright (c) 2010 Alexander Strange <astrange@ithinksw.com> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_X86_INTREADWRITE_H #define AVUTIL_X86_INTREADWRITE_H #include <stdint.h> #include "config.h" #if HAVE_INTRINSICS_SSE2 && defined(__SSE2__) #include <emmintrin.h> #endif #include "libavutil/attributes.h" #if HAVE_INTRINSICS_SSE2 && defined(__SSE2__) #define AV_COPY128 AV_COPY128 static av_always_inline void AV_COPY128(void *d, const void *s) { __m128i tmp = _mm_load_si128((const __m128i *)s); _mm_store_si128((__m128i *)d, tmp); } #define AV_COPY128U AV_COPY128U static av_always_inline void AV_COPY128U(void *d, const void *s) { __m128i tmp = _mm_loadu_si128((const __m128i *)s); _mm_storeu_si128((__m128i *)d, tmp); } #define AV_ZERO128 AV_ZERO128 static av_always_inline void AV_ZERO128(void *d) { __m128i zero = _mm_setzero_si128(); _mm_store_si128((__m128i *)d, zero); } #endif /* HAVE_INTRINSICS_SSE2 && defined(__SSE2__) */ #endif /* AVUTIL_X86_INTREADWRITE_H */