intreadwrite.h (1749B)
1 /* 2 * Copyright (c) 2010 Alexander Strange <astrange@ithinksw.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVUTIL_X86_INTREADWRITE_H 22 #define AVUTIL_X86_INTREADWRITE_H 23 24 #include <stdint.h> 25 #include "config.h" 26 #if HAVE_INTRINSICS_SSE2 && defined(__SSE2__) 27 #include <emmintrin.h> 28 #endif 29 #include "libavutil/attributes.h" 30 31 #if HAVE_INTRINSICS_SSE2 && defined(__SSE2__) 32 33 #define AV_COPY128 AV_COPY128 34 static av_always_inline void AV_COPY128(void *d, const void *s) 35 { 36 __m128i tmp = _mm_load_si128((const __m128i *)s); 37 _mm_store_si128((__m128i *)d, tmp); 38 } 39 40 #define AV_COPY128U AV_COPY128U 41 static av_always_inline void AV_COPY128U(void *d, const void *s) 42 { 43 __m128i tmp = _mm_loadu_si128((const __m128i *)s); 44 _mm_storeu_si128((__m128i *)d, tmp); 45 } 46 47 #define AV_ZERO128 AV_ZERO128 48 static av_always_inline void AV_ZERO128(void *d) 49 { 50 __m128i zero = _mm_setzero_si128(); 51 _mm_store_si128((__m128i *)d, zero); 52 } 53 54 #endif /* HAVE_INTRINSICS_SSE2 && defined(__SSE2__) */ 55 56 #endif /* AVUTIL_X86_INTREADWRITE_H */