diff options
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index 1d21ae4d7a..ac7f1523e6 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -120,44 +120,6 @@ /* math */ -extern const uint32_t ff_inverse[257]; - -#if ARCH_X86 -# define FASTDIV(a,b) \ - ({\ - int ret, dmy;\ - __asm__ volatile(\ - "mull %3"\ - :"=d"(ret), "=a"(dmy)\ - :"1"(a), "g"(ff_inverse[b])\ - );\ - ret;\ - }) -#elif HAVE_ARMV6 && HAVE_INLINE_ASM -static inline av_const int FASTDIV(int a, int b) -{ - int r, t; - __asm__ volatile("cmp %3, #2 \n\t" - "ldr %1, [%4, %3, lsl #2] \n\t" - "lsrle %0, %2, #1 \n\t" - "smmulgt %0, %1, %2 \n\t" - : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse)); - return r; -} -#elif ARCH_ARM && HAVE_INLINE_ASM -static inline av_const int FASTDIV(int a, int b) -{ - int r, t; - __asm__ volatile("umull %1, %0, %2, %3" - : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); - return r; -} -#elif CONFIG_FASTDIV -# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32)) -#else -# define FASTDIV(a,b) ((a) / (b)) -#endif - extern const uint8_t ff_sqrt_tab[256]; static inline av_const unsigned int ff_sqrt(unsigned int a) |