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authorMans Rullgard <mans@mansr.com>2011-06-20 09:19:27 +0100
committerMans Rullgard <mans@mansr.com>2011-06-20 22:36:30 +0100
commitf743595e87aecc090cf6884fc681c0adf3a03cbb (patch)
tree73c880fc800aaf47233b142cefc0000706892966 /libavcodec
parentda3af4db6151775a851c181c8aba802db07ce033 (diff)
downloadffmpeg-f743595e87aecc090cf6884fc681c0adf3a03cbb.tar.gz
x86: cabac: remove hardcoded esi in get_cabac_inline()
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/cabac.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index f2b07d6886..b967da5ab6 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, tmp;
+ int bit, low, range, 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 %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"
+ "movl %a6(%5), %2 \n\t"
+ "movl %a7(%5), %1 \n\t"
+ BRANCHLESS_GET_CABAC("%0", "%5", "(%4)", "%1", "%w1", "%2", "%3", "%b3", "%a8")
+ "movl %2, %a6(%5) \n\t"
+ "movl %1, %a7(%5) \n\t"
- :"=&a"(bit), "=&r"(low), "=&r"(tmp)
+ :"=&a"(bit), "=&r"(low), "=&r"(range), "=&r"(tmp)
:"r"(state), "r"(c),
"i"(offsetof(CABACContext, range)), "i"(offsetof(CABACContext, low)),
"i"(offsetof(CABACContext, bytestream))
- : "%"REG_c, "%esi", "memory"
+ : "%"REG_c, "memory"
);
bit&=1;
#else /* ARCH_X86 && HAVE_7REGS && !defined(BROKEN_RELOCATIONS) */