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| author | Mans Rullgard <mans@mansr.com> | 2011-06-20 03:39:45 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-06-20 22:36:30 +0100 |
| commit | da3af4db6151775a851c181c8aba802db07ce033 (patch) | |
| tree | 94cad953c44a237de41efb2c332f02ac9d787f5f | |
| parent | 51f16a9bf22ee81116df2a02d3107c6f3ad17402 (diff) | |
| download | ffmpeg-da3af4db6151775a851c181c8aba802db07ce033.tar.gz | |
x86: cabac: remove hardcoded edx in get_cabac_inline()
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/cabac.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h index c80c259614..f2b07d6886 100644 --- a/libavcodec/cabac.h +++ b/libavcodec/cabac.h @@ -310,7 +310,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const state){ //FIXME gcc generates duplicate load/stores for c->low and c->range #if ARCH_X86 && HAVE_7REGS && !defined(BROKEN_RELOCATIONS) - int bit, low; + int bit, low, tmp; #if HAVE_FAST_CMOV #define BRANCHLESS_GET_CABAC_UPDATE(ret, cabac, statep, low, lowword, range, tmp)\ @@ -370,17 +370,17 @@ static av_always_inline int get_cabac_inline(CABACContext *c, uint8_t * const st "1: \n\t" __asm__ volatile( - "movl %a4(%3), %%esi \n\t" - "movl %a5(%3), %1 \n\t" - BRANCHLESS_GET_CABAC("%0", "%3", "(%2)", "%1", "%w1", "%%esi", "%%edx", "%%dl", "%a6") - "movl %%esi, %a4(%3) \n\t" - "movl %1, %a5(%3) \n\t" + "movl %a5(%4), %%esi \n\t" + "movl %a6(%4), %1 \n\t" + BRANCHLESS_GET_CABAC("%0", "%4", "(%3)", "%1", "%w1", "%%esi", "%2", "%b2", "%a7") + "movl %%esi, %a5(%4) \n\t" + "movl %1, %a6(%4) \n\t" - :"=&a"(bit), "=&r"(low) + :"=&a"(bit), "=&r"(low), "=&r"(tmp) :"r"(state), "r"(c), "i"(offsetof(CABACContext, range)), "i"(offsetof(CABACContext, low)), "i"(offsetof(CABACContext, bytestream)) - : "%"REG_c, "%edx", "%esi", "memory" + : "%"REG_c, "%esi", "memory" ); bit&=1; #else /* ARCH_X86 && HAVE_7REGS && !defined(BROKEN_RELOCATIONS) */ |