[FFmpeg-cvslog] configure: Drop fastdiv option

Diego Biurrun git at videolan.org
Wed Aug 22 14:43:37 CEST 2012


ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Tue Aug 21 00:36:16 2012 +0200| [66baa45801e46a6558c22765cdac1e7a4abad228] | committer: Diego Biurrun

configure: Drop fastdiv option

There is no point in having the user disable any fastdiv macros.
Besides the condition implementation was broken and only disabled
the C implementation, but no platform specific assembly versions.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=66baa45801e46a6558c22765cdac1e7a4abad228
---

 configure           |    3 ---
 libavutil/intmath.h |    6 +-----
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/configure b/configure
index bf8f5f1..12052c0 100755
--- a/configure
+++ b/configure
@@ -230,7 +230,6 @@ Advanced options (experts only):
   --enable-sram            allow use of on-chip SRAM
   --enable-thumb           compile for Thumb instruction set
   --disable-symver         disable symbol versioning
-  --disable-fastdiv        disable table-based division
   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
   --disable-safe-bitstream-reader
                            disable buffer boundary checking in bitreaders
@@ -964,7 +963,6 @@ CONFIG_LIST="
     doc
     dwt
     dxva2
-    fastdiv
     fft
     frei0r
     gnutls
@@ -1739,7 +1737,6 @@ enable swscale
 enable asm
 enable debug
 enable doc
-enable fastdiv
 enable network
 enable optimizations
 enable safe_bitstream_reader
diff --git a/libavutil/intmath.h b/libavutil/intmath.h
index e6a2e10..1be96da 100644
--- a/libavutil/intmath.h
+++ b/libavutil/intmath.h
@@ -50,11 +50,7 @@ extern const uint32_t ff_inverse[257];
 #endif /* AV_GCC_VERSION_AT_LEAST(3,4) */
 
 #ifndef FASTDIV
-#   if CONFIG_FASTDIV
-#       define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
-#   else
-#       define FASTDIV(a,b) ((a) / (b))
-#   endif
+#   define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
 #endif /* FASTDIV */
 
 #include "common.h"



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