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| author | Mans Rullgard <mans@mansr.com> | 2011-06-20 00:59:35 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-06-20 22:36:29 +0100 |
| commit | eaa2d5a90a208fff0662b62da67b7b090b9fff8c (patch) | |
| tree | 723ac07fdf6daf1dbca35336762c1d2c98f12166 /libavcodec | |
| parent | dea22a1a912d5e6214db5c6a4addbc7b26881817 (diff) | |
| download | ffmpeg-eaa2d5a90a208fff0662b62da67b7b090b9fff8c.tar.gz | |
cabac: remove #if 0 cascade under never-set #ifdef ARCH_X86_DISABLED
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/cabac.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h index 4708563904..53e327d661 100644 --- a/libavcodec/cabac.h +++ b/libavcodec/cabac.h @@ -36,7 +36,6 @@ #define CABAC_BITS 16 #define CABAC_MASK ((1<<CABAC_BITS)-1) #define BRANCHLESS_CABAC_DECODER 1 -//#define ARCH_X86_DISABLED 1 typedef struct CABACContext{ int low; @@ -300,70 +299,9 @@ static inline void renorm_cabac_decoder(CABACContext *c){ } static inline void renorm_cabac_decoder_once(CABACContext *c){ -#ifdef ARCH_X86_DISABLED - int temp; -#if 0 - //P3:683 athlon:475 - __asm__( - "lea -0x100(%0), %2 \n\t" - "shr $31, %2 \n\t" //FIXME 31->63 for x86-64 - "shl %%cl, %0 \n\t" - "shl %%cl, %1 \n\t" - : "+r"(c->range), "+r"(c->low), "+c"(temp) - ); -#elif 0 - //P3:680 athlon:474 - __asm__( - "cmp $0x100, %0 \n\t" - "setb %%cl \n\t" //FIXME 31->63 for x86-64 - "shl %%cl, %0 \n\t" - "shl %%cl, %1 \n\t" - : "+r"(c->range), "+r"(c->low), "+c"(temp) - ); -#elif 1 - int temp2; - //P3:665 athlon:517 - __asm__( - "lea -0x100(%0), %%eax \n\t" - "cltd \n\t" - "mov %0, %%eax \n\t" - "and %%edx, %0 \n\t" - "and %1, %%edx \n\t" - "add %%eax, %0 \n\t" - "add %%edx, %1 \n\t" - : "+r"(c->range), "+r"(c->low), "+a"(temp), "+d"(temp2) - ); -#elif 0 - int temp2; - //P3:673 athlon:509 - __asm__( - "cmp $0x100, %0 \n\t" - "sbb %%edx, %%edx \n\t" - "mov %0, %%eax \n\t" - "and %%edx, %0 \n\t" - "and %1, %%edx \n\t" - "add %%eax, %0 \n\t" - "add %%edx, %1 \n\t" - : "+r"(c->range), "+r"(c->low), "+a"(temp), "+d"(temp2) - ); -#else - int temp2; - //P3:677 athlon:511 - __asm__( - "cmp $0x100, %0 \n\t" - "lea (%0, %0), %%eax \n\t" - "lea (%1, %1), %%edx \n\t" - "cmovb %%eax, %0 \n\t" - "cmovb %%edx, %1 \n\t" - : "+r"(c->range), "+r"(c->low), "+a"(temp), "+d"(temp2) - ); -#endif -#else - //P3:675 athlon:476 int shift= (uint32_t)(c->range - 0x100)>>31; c->range<<= shift; c->low <<= shift; -#endif if(!(c->low & CABAC_MASK)) refill(c); } |