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- #ifndef AVUTIL_MIPS_INTREADWRITE_H
- #define AVUTIL_MIPS_INTREADWRITE_H
- #include <stdint.h>
- #include "config.h"
- #if HAVE_INLINE_ASM
- #define AV_RN32 AV_RN32
- static av_always_inline uint32_t AV_RN32(const void *p)
- {
- uint32_t v;
- __asm__ ("lwl %0, %1 \n\t"
- "lwr %0, %2 \n\t"
- : "=&r"(v)
- : "m"(*(const uint32_t *)((const uint8_t *)p+3*!HAVE_BIGENDIAN)),
- "m"(*(const uint32_t *)((const uint8_t *)p+3*HAVE_BIGENDIAN)));
- return v;
- }
- #define AV_WN32 AV_WN32
- static av_always_inline void AV_WN32(void *p, uint32_t v)
- {
- __asm__ ("swl %2, %0 \n\t"
- "swr %2, %1 \n\t"
- : "=m"(*(uint32_t *)((uint8_t *)p+3*!HAVE_BIGENDIAN)),
- "=m"(*(uint32_t *)((uint8_t *)p+3*HAVE_BIGENDIAN))
- : "r"(v));
- }
- #if ARCH_MIPS64
- #define AV_RN64 AV_RN64
- static av_always_inline uint64_t AV_RN64(const void *p)
- {
- uint64_t v;
- __asm__ ("ldl %0, %1 \n\t"
- "ldr %0, %2 \n\t"
- : "=&r"(v)
- : "m"(*(const uint64_t *)((const uint8_t *)p+7*!HAVE_BIGENDIAN)),
- "m"(*(const uint64_t *)((const uint8_t *)p+7*HAVE_BIGENDIAN)));
- return v;
- }
- #define AV_WN64 AV_WN64
- static av_always_inline void AV_WN64(void *p, uint64_t v)
- {
- __asm__ ("sdl %2, %0 \n\t"
- "sdr %2, %1 \n\t"
- : "=m"(*(uint64_t *)((uint8_t *)p+7*!HAVE_BIGENDIAN)),
- "=m"(*(uint64_t *)((uint8_t *)p+7*HAVE_BIGENDIAN))
- : "r"(v));
- }
- #else
- #define AV_RN64 AV_RN64
- static av_always_inline uint64_t AV_RN64(const void *p)
- {
- union { uint64_t v; uint32_t hl[2]; } v;
- v.hl[0] = AV_RN32(p);
- v.hl[1] = AV_RN32((const uint8_t *)p + 4);
- return v.v;
- }
- #define AV_WN64 AV_WN64
- static av_always_inline void AV_WN64(void *p, uint64_t v)
- {
- union { uint64_t v; uint32_t hl[2]; } vv = { v };
- AV_WN32(p, vv.hl[0]);
- AV_WN32((uint8_t *)p + 4, vv.hl[1]);
- }
- #endif
- #endif
- #endif
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