diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2006-10-09 21:57:10 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-10-09 21:57:10 +0000 |
| commit | a6672acf45ccb48031c26034e604ecacc8d7b5cd (patch) | |
| tree | c974d07e9be70e58633ac14ae551678bdcdcfd39 /libavcodec/cabac.h | |
| parent | 2d3df05ca0ec3bf008aaa4b3ff97c35a61c25c00 (diff) | |
reading 8bit mem into a 8bit register needs 2 uops on P4, 8bit->32bit with zero extension needs just 1
Originally committed as revision 6612 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/cabac.h')
| -rw-r--r-- | libavcodec/cabac.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h index 7626e93d57..01163915a7 100644 --- a/libavcodec/cabac.h +++ b/libavcodec/cabac.h @@ -393,7 +393,7 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ "setb %%cl \n\t" "shl %%cl, %%edx \n\t" "shl %%cl, %%ebx \n\t" - "movb "MPS_STATE"(%2, %%eax), %%cl \n\t" + "movzbl "MPS_STATE"(%2, %%eax), %%ecx \n\t" "movb %%cl, (%1) \n\t" //eax:state ebx:low, edx:range, esi:RangeLPS "test %%bx, %%bx \n\t" @@ -412,10 +412,10 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ "subl %%edx, %%ebx \n\t" "movl %%esi, %%edx \n\t" "shr $19, %%esi \n\t" - "movb " MANGLE(ff_h264_norm_shift) "(%%esi), %%cl \n\t" + "movzbl " MANGLE(ff_h264_norm_shift) "(%%esi), %%ecx \n\t" "shll %%cl, %%ebx \n\t" "shll %%cl, %%edx \n\t" - "movb "LPS_STATE"(%2, %%eax), %%cl \n\t" + "movzbl "LPS_STATE"(%2, %%eax), %%ecx \n\t" "movb %%cl, (%1) \n\t" "addl $1, %%eax \n\t" "test %%bx, %%bx \n\t" @@ -432,7 +432,7 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ "leal -1(%%ebx), %%ecx \n\t" "xorl %%ebx, %%ecx \n\t" "shrl $17, %%ecx \n\t" - "movb " MANGLE(ff_h264_norm_shift) "(%%ecx), %%cl \n\t" + "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t" "neg %%cl \n\t" "add $7, %%cl \n\t" @@ -470,14 +470,14 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ //eax:state ebx:low edx:mask esi:range "xorl %%edx, %%eax \n\t" - "movb "MPS_STATE"(%2, %%eax), %%cl \n\t" + "movzbl "MPS_STATE"(%2, %%eax), %%ecx \n\t" "movb %%cl, (%1) \n\t" "movl %%esi, %%edx \n\t" //eax:bit ebx:low edx:range esi:range "shr $19, %%esi \n\t" - "movb " MANGLE(ff_h264_norm_shift) "(%%esi), %%cl \n\t" + "movzbl " MANGLE(ff_h264_norm_shift) "(%%esi), %%ecx \n\t" "shll %%cl, %%ebx \n\t" "shll %%cl, %%edx \n\t" "test %%bx, %%bx \n\t" @@ -494,7 +494,7 @@ static int get_cabac(CABACContext *c, uint8_t * const state){ "leal -1(%%ebx), %%ecx \n\t" "xorl %%ebx, %%ecx \n\t" "shrl $17, %%ecx \n\t" - "movb " MANGLE(ff_h264_norm_shift) "(%%ecx), %%cl \n\t" + "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t" "neg %%cl \n\t" "add $7, %%cl \n\t" |