diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/ppc/mathops.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libavcodec/ppc/mathops.h b/libavcodec/ppc/mathops.h index 2b5a5c4eb0..a74fcfa792 100644 --- a/libavcodec/ppc/mathops.h +++ b/libavcodec/ppc/mathops.h @@ -44,4 +44,34 @@ static inline av_const int MULH(int a, int b){ return r; } +#if !HAVE_PPC64 +static inline av_const int64_t MAC64(int64_t d, int a, int b) +{ + union { uint64_t x; unsigned hl[2]; } x = { d }; + int h, l; + __asm__ ("mullw %3, %4, %5 \n\t" + "mulhw %2, %4, %5 \n\t" + "addc %1, %1, %3 \n\t" + "adde %0, %0, %2 \n\t" + : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l) + : "r"(a), "r"(b)); + return x.x; +} +#define MAC64(d, a, b) ((d) = MAC64(d, a, b)) + +static inline av_const int64_t MLS64(int64_t d, int a, int b) +{ + union { uint64_t x; unsigned hl[2]; } x = { d }; + int h, l; + __asm__ ("mullw %3, %4, %5 \n\t" + "mulhw %2, %4, %5 \n\t" + "subfc %1, %3, %1 \n\t" + "subfe %0, %2, %0 \n\t" + : "+r"(x.hl[0]), "+r"(x.hl[1]), "=&r"(h), "=&r"(l) + : "r"(a), "r"(b)); + return x.x; +} +#define MLS64(d, a, b) ((d) = MLS64(d, a, b)) +#endif + #endif /* AVCODEC_PPC_MATHOPS_H */ |