RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-01-30 03:13:18 +00:00
Code Issues Projects Releases Wiki Activity

ARM: ARMv6 optimised FASTDIV

Browse Source 
Originally committed as revision 14242 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2008-07-15 19:06:18 +00:00
parent de0e19cc38
commit 6651ce17b8
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libavutil/internal.h
View File

@ -154,6 +154,13 @@ extern const uint32_t ff_inverse[256];
);\ );\
ret;\ 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) #elif defined(ARCH_ARMV4L)
# define FASTDIV(a,b) \ # define FASTDIV(a,b) \
({\ ({\