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| author | Måns Rullgård <mans@mansr.com> | 2008-07-15 19:06:18 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2008-07-15 19:06:18 +0000 |
| commit | 6651ce17b82a800e20e18b38d006c47a07413464 (patch) | |
| tree | 61985d49dadd35167d496f9ad30797e717f59f43 /libavutil | |
| parent | de0e19cc38f876f8cb7bd145b9c5e6edeef55925 (diff) | |
| download | ffmpeg-6651ce17b82a800e20e18b38d006c47a07413464.tar.gz | |
ARM: ARMv6 optimised FASTDIV
Originally committed as revision 14242 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/internal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index 8bf57061ec..ce4983bb2b 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -154,6 +154,13 @@ extern const uint32_t ff_inverse[256]; );\ ret;\ }) +#elif defined(HAVE_ARMV6) +static inline av_const int FASTDIV(int a, int b) +{ + int r; + asm volatile("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(ff_inverse[b])); + return r; +} #elif defined(ARCH_ARMV4L) # define FASTDIV(a,b) \ ({\ |