projects
/
platform
/
upstream
/
libav.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
de0e19c
)
ARM: ARMv6 optimised FASTDIV
author
Måns Rullgård
<mans@mansr.com>
Tue, 15 Jul 2008 19:06:18 +0000
(19:06 +0000)
committer
Måns Rullgård
<mans@mansr.com>
Tue, 15 Jul 2008 19:06:18 +0000
(19:06 +0000)
Originally committed as revision 14242 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavutil/internal.h
patch
|
blob
|
history
diff --git
a/libavutil/internal.h
b/libavutil/internal.h
index
8bf5706
..
ce4983b
100644
(file)
--- 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) \
({\