[FFmpeg-cvslog] get_bits: remove x86 inline asm in A32 bitstream reader

Mans Rullgard git at videolan.org
Sat Jul 2 03:38:06 CEST 2011


ffmpeg | branch: master | Mans Rullgard <mans at mansr.com> | Fri Jul  1 12:47:36 2011 +0100| [23ce6e72123a40895baaeefeb27c7c18748bd67e] | committer: Mans Rullgard

get_bits: remove x86 inline asm in A32 bitstream reader

x86 does not use this variant so having inline asm there
is pointless.

Signed-off-by: Mans Rullgard <mans at mansr.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=23ce6e72123a40895baaeefeb27c7c18748bd67e
---

 libavcodec/get_bits.h |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index b592b9a..d2ae345 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -201,19 +201,11 @@ static inline void skip_bits_long(GetBitContext *s, int n){
         }                                                               \
     } while (0)
 
-#if ARCH_X86
-#   define SKIP_CACHE(name, gb, num)                            \
-    __asm__("shldl %2, %1, %0          \n\t"                    \
-            "shll  %2, %1              \n\t"                    \
-            : "+r" (name##_cache0), "+r" (name##_cache1)        \
-            : "Ic" ((uint8_t)(num)))
-#else
 #   define SKIP_CACHE(name, gb, num) do {               \
         name##_cache0 <<= (num);                        \
         name##_cache0 |= NEG_USR32(name##_cache1,num);  \
         name##_cache1 <<= (num);                        \
     } while (0)
-#endif
 
 #   define SKIP_COUNTER(name, gb, num) name##_bit_count += (num)
 



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