diff options
Diffstat (limited to 'ffmpeg1/libavutil/arm/intreadwrite.h')
| -rw-r--r-- | ffmpeg1/libavutil/arm/intreadwrite.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/ffmpeg1/libavutil/arm/intreadwrite.h b/ffmpeg1/libavutil/arm/intreadwrite.h deleted file mode 100644 index 2340a9a..0000000 --- a/ffmpeg1/libavutil/arm/intreadwrite.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * 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_ARM_INTREADWRITE_H -#define AVUTIL_ARM_INTREADWRITE_H - -#include <stdint.h> -#include "config.h" -#include "libavutil/attributes.h" - -#if HAVE_FAST_UNALIGNED && HAVE_INLINE_ASM && !AV_GCC_VERSION_AT_LEAST(4,7) - -#define AV_RN16 AV_RN16 -static av_always_inline unsigned AV_RN16(const void *p) -{ - const uint8_t *q = p; - unsigned v; -#if !AV_GCC_VERSION_AT_LEAST(4,6) - __asm__ ("ldrh %0, %1" : "=r"(v) : "m"(*(const uint16_t *)q)); -#elif defined __thumb__ - __asm__ ("ldrh %0, %1" : "=r"(v) : "m"(q[0]), "m"(q[1])); -#else - __asm__ ("ldrh %0, %1" : "=r"(v) : "Uq"(q[0]), "m"(q[1])); -#endif - return v; -} - -#define AV_WN16 AV_WN16 -static av_always_inline void AV_WN16(void *p, uint16_t v) -{ - __asm__ ("strh %1, %0" : "=m"(*(uint16_t *)p) : "r"(v)); -} - -#define AV_RN32 AV_RN32 -static av_always_inline uint32_t AV_RN32(const void *p) -{ - const struct __attribute__((packed)) { uint32_t v; } *q = p; - uint32_t v; - __asm__ ("ldr %0, %1" : "=r"(v) : "m"(*q)); - return v; -} - -#define AV_WN32 AV_WN32 -static av_always_inline void AV_WN32(void *p, uint32_t v) -{ - __asm__ ("str %1, %0" : "=m"(*(uint32_t *)p) : "r"(v)); -} - -#if HAVE_ASM_MOD_Q - -#define AV_RN64 AV_RN64 -static av_always_inline uint64_t AV_RN64(const void *p) -{ - const struct __attribute__((packed)) { uint32_t v; } *q = p; - uint64_t v; - __asm__ ("ldr %Q0, %1 \n\t" - "ldr %R0, %2 \n\t" - : "=&r"(v) - : "m"(q[0]), "m"(q[1])); - return v; -} - -#define AV_WN64 AV_WN64 -static av_always_inline void AV_WN64(void *p, uint64_t v) -{ - __asm__ ("str %Q2, %0 \n\t" - "str %R2, %1 \n\t" - : "=m"(*(uint32_t*)p), "=m"(*((uint32_t*)p+1)) - : "r"(v)); -} - -#endif /* HAVE_ASM_MOD_Q */ - -#endif /* HAVE_INLINE_ASM */ - -#endif /* AVUTIL_ARM_INTREADWRITE_H */ |
