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ffmpeg.wasm-core
Commit d17faef0 authored by Michael Niedermayer's avatar Michael Niedermayer
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use ecx instead of cl (no speed change on P3 but might avoid partial register stalls on some cpus) 

Originally committed as revision 6656 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent d61c4e73
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Showing with 4 additions and 4 deletions
libavcodec/cabac.h
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...@@ -426,8 +426,8 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ ...@@ -426,8 +426,8 @@ static int get_cabac(CABACContext *c, uint8_t * const state){
"xorl %%ebx, %%ecx \n\t" "xorl %%ebx, %%ecx \n\t"
"shrl $17, %%ecx \n\t" "shrl $17, %%ecx \n\t"
"movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t" "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t"
"neg %%cl \n\t" "neg %%ecx \n\t"
"add $7, %%cl \n\t" "add $7, %%ecx \n\t"
"shll %%cl , %%esi \n\t" "shll %%cl , %%esi \n\t"
"addl %%esi, %%ebx \n\t" "addl %%esi, %%ebx \n\t"
...@@ -495,8 +495,8 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ ...@@ -495,8 +495,8 @@ static int get_cabac(CABACContext *c, uint8_t * const state){
"xorl %%ebx, %%ecx \n\t" "xorl %%ebx, %%ecx \n\t"
"shrl $17, %%ecx \n\t" "shrl $17, %%ecx \n\t"
"movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t" "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t"
"neg %%cl \n\t" "neg %%ecx \n\t"
"add $7, %%cl \n\t" "add $7, %%ecx \n\t"
"shll %%cl , %%esi \n\t" "shll %%cl , %%esi \n\t"
"addl %%esi, %%ebx \n\t" "addl %%esi, %%ebx \n\t"
......
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