[FFmpeg-cvslog] r14242 - trunk/libavutil/internal.h

mru subversion
Tue Jul 15 21:06:22 CEST 2008


Author: mru
Date: Tue Jul 15 21:06:18 2008
New Revision: 14242

Log:
ARM: ARMv6 optimised FASTDIV

Modified:
   trunk/libavutil/internal.h

Modified: trunk/libavutil/internal.h
==============================================================================
--- trunk/libavutil/internal.h	(original)
+++ trunk/libavutil/internal.h	Tue Jul 15 21:06:18 2008
@@ -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) \
     ({\




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