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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /media/ffvpx/libavutil/x86/intreadwrite.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/libavutil/x86/intreadwrite.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/x86/intreadwrite.h b/media/ffvpx/libavutil/x86/intreadwrite.h new file mode 100644 index 0000000000..40f375b013 --- /dev/null +++ b/media/ffvpx/libavutil/x86/intreadwrite.h @@ -0,0 +1,99 @@ +/* + * 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" +#include "libavutil/attributes.h" + +#if HAVE_MMX + +#if !HAVE_FAST_64BIT && defined(__MMX__) + +#define FF_COPY_SWAP_ZERO_USES_MMX + +#define AV_COPY64 AV_COPY64 +static av_always_inline void AV_COPY64(void *d, const void *s) +{ + __asm__("movq %1, %%mm0 \n\t" + "movq %%mm0, %0 \n\t" + : "=m"(*(uint64_t*)d) + : "m" (*(const uint64_t*)s) + : "mm0"); +} + +#define AV_SWAP64 AV_SWAP64 +static av_always_inline void AV_SWAP64(void *a, void *b) +{ + __asm__("movq %1, %%mm0 \n\t" + "movq %0, %%mm1 \n\t" + "movq %%mm0, %0 \n\t" + "movq %%mm1, %1 \n\t" + : "+m"(*(uint64_t*)a), "+m"(*(uint64_t*)b) + ::"mm0", "mm1"); +} + +#define AV_ZERO64 AV_ZERO64 +static av_always_inline void AV_ZERO64(void *d) +{ + __asm__("pxor %%mm0, %%mm0 \n\t" + "movq %%mm0, %0 \n\t" + : "=m"(*(uint64_t*)d) + :: "mm0"); +} + +#endif /* !HAVE_FAST_64BIT && defined(__MMX__) */ + +#ifdef __SSE__ + +#define AV_COPY128 AV_COPY128 +static av_always_inline void AV_COPY128(void *d, const void *s) +{ + struct v {uint64_t v[2];}; + + __asm__("movaps %1, %%xmm0 \n\t" + "movaps %%xmm0, %0 \n\t" + : "=m"(*(struct v*)d) + : "m" (*(const struct v*)s) + : "xmm0"); +} + +#endif /* __SSE__ */ + +#ifdef __SSE2__ + +#define AV_ZERO128 AV_ZERO128 +static av_always_inline void AV_ZERO128(void *d) +{ + struct v {uint64_t v[2];}; + + __asm__("pxor %%xmm0, %%xmm0 \n\t" + "movdqa %%xmm0, %0 \n\t" + : "=m"(*(struct v*)d) + :: "xmm0"); +} + +#endif /* __SSE2__ */ + +#endif /* HAVE_MMX */ + +#endif /* AVUTIL_X86_INTREADWRITE_H */ |