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renorm_cabac_decoder_once START/STOP_TIMER scores for athlon

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Originally committed as revision 6581 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-10-07 22:34:32 +00:00
parent 87ea51e0b5
commit 4310580db5
1 changed files with 6 additions and 6 deletions
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12
libavcodec/cabac.h
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@ -300,7 +300,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
#ifdef ARCH_X86 #ifdef ARCH_X86
int temp; int temp;
#if 0 #if 0
//P3:683 //P3:683 athlon:475
asm( asm(
"lea -0x2000000(%0), %2 \n\t" "lea -0x2000000(%0), %2 \n\t"
"shr $31, %2 \n\t" //FIXME 31->63 for x86-64 "shr $31, %2 \n\t" //FIXME 31->63 for x86-64
@ -309,7 +309,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
: "+r"(c->range), "+r"(c->low), "+c"(temp) : "+r"(c->range), "+r"(c->low), "+c"(temp)
); );
#elif 0 #elif 0
//P3:680 //P3:680 athlon:474
asm( asm(
"cmp $0x2000000, %0 \n\t" "cmp $0x2000000, %0 \n\t"
"setb %%cl \n\t" //FIXME 31->63 for x86-64 "setb %%cl \n\t" //FIXME 31->63 for x86-64
@ -319,7 +319,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
); );
#elif 1 #elif 1
int temp2; int temp2;
//P3:665 //P3:665 athlon:517
asm( asm(
"lea -0x2000000(%0), %%eax \n\t" "lea -0x2000000(%0), %%eax \n\t"
"cdq \n\t" "cdq \n\t"
@ -332,7 +332,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
); );
#elif 0 #elif 0
int temp2; int temp2;
//P3:673 //P3:673 athlon:509
asm( asm(
"cmp $0x2000000, %0 \n\t" "cmp $0x2000000, %0 \n\t"
"sbb %%edx, %%edx \n\t" "sbb %%edx, %%edx \n\t"
@ -345,7 +345,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
); );
#else #else
int temp2; int temp2;
//P3:677 //P3:677 athlon:511
asm( asm(
"cmp $0x2000000, %0 \n\t" "cmp $0x2000000, %0 \n\t"
"lea (%0, %0), %%eax \n\t" "lea (%0, %0), %%eax \n\t"
@ -356,7 +356,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
); );
#endif #endif
#else #else
//P3:675 //P3:675 athlon:476
int shift= (uint32_t)(c->range - (0x200 << CABAC_BITS))>>31; int shift= (uint32_t)(c->range - (0x200 << CABAC_BITS))>>31;
c->range<<= shift; c->range<<= shift;
c->low <<= shift; c->low <<= shift;