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authorMans Rullgard <mans@mansr.com>2011-06-20 09:23:26 +0100
committerMans Rullgard <mans@mansr.com>2011-06-20 22:36:30 +0100
commite4b5a204aa2269cc249771fd49a89e7b4af32215 (patch)
tree16f8fdc205111ced5db14002c594e60ddd5a9b9b /libavcodec/x86
parent3146a30e612729e4a70dd10361c8a38750fa6d53 (diff)
downloadffmpeg-e4b5a204aa2269cc249771fd49a89e7b4af32215.tar.gz
x86: h264: remove hardcoded eax in decode_significance[_8x8]_x86()
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/x86')
-rw-r--r--libavcodec/x86/h264_i386.h52
1 files changed, 26 insertions, 26 deletions
diff --git a/libavcodec/x86/h264_i386.h b/libavcodec/x86/h264_i386.h
index ba3a5ddfad..a0dd7ea783 100644
--- a/libavcodec/x86/h264_i386.h
+++ b/libavcodec/x86/h264_i386.h
@@ -42,7 +42,7 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
void *end= significant_coeff_ctx_base + max_coeff - 1;
int minusstart= -(int)significant_coeff_ctx_base;
int minusindex= 4-(int)index;
- int coeff_count;
+ x86_reg coeff_count;
int low;
__asm__ volatile(
"movl %a9(%4), %%esi \n\t"
@@ -51,42 +51,42 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
"2: \n\t"
BRANCHLESS_GET_CABAC("%%edx", "%4", "(%1)", "%3",
- "%w3", "%%esi", "%%eax", "%%al", "%a11")
+ "%w3", "%%esi", "%k0", "%b0", "%a11")
"test $1, %%edx \n\t"
" jz 3f \n\t"
"add %8, %1 \n\t"
BRANCHLESS_GET_CABAC("%%edx", "%4", "(%1)", "%3",
- "%w3", "%%esi", "%%eax", "%%al", "%a11")
+ "%w3", "%%esi", "%k0", "%b0", "%a11")
"sub %8, %1 \n\t"
- "mov %2, %%"REG_a" \n\t"
+ "mov %2, %0 \n\t"
"movl %5, %%ecx \n\t"
"add %1, %%"REG_c" \n\t"
- "movl %%ecx, (%%"REG_a") \n\t"
+ "movl %%ecx, (%0) \n\t"
"test $1, %%edx \n\t"
" jnz 4f \n\t"
- "add $4, %%"REG_a" \n\t"
- "mov %%"REG_a", %2 \n\t"
+ "add $4, %0 \n\t"
+ "mov %0, %2 \n\t"
"3: \n\t"
"add $1, %1 \n\t"
"cmp %6, %1 \n\t"
" jb 2b \n\t"
- "mov %2, %%"REG_a" \n\t"
+ "mov %2, %0 \n\t"
"movl %5, %%ecx \n\t"
"add %1, %%"REG_c" \n\t"
- "movl %%ecx, (%%"REG_a") \n\t"
+ "movl %%ecx, (%0) \n\t"
"4: \n\t"
- "add %7, %%eax \n\t"
- "shr $2, %%eax \n\t"
+ "add %7, %k0 \n\t"
+ "shr $2, %k0 \n\t"
"movl %%esi, %a9(%4) \n\t"
"movl %3, %a10(%4) \n\t"
- :"=&a"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index),
+ :"=&r"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index),
"=&r"(low)
:"r"(c), "m"(minusstart), "m"(end), "m"(minusindex), "m"(last_off),
"i"(offsetof(CABACContext, range)), "i"(offsetof(CABACContext, low)),
@@ -100,7 +100,7 @@ static int decode_significance_8x8_x86(CABACContext *c,
uint8_t *significant_coeff_ctx_base,
int *index, x86_reg last_off, const uint8_t *sig_off){
int minusindex= 4-(int)index;
- int coeff_count;
+ x86_reg coeff_count;
int low;
x86_reg last=0;
__asm__ volatile(
@@ -110,12 +110,12 @@ static int decode_significance_8x8_x86(CABACContext *c,
"mov %1, %%"REG_D" \n\t"
"2: \n\t"
- "mov %7, %%"REG_a" \n\t"
- "movzbl (%%"REG_a", %%"REG_D"), %%edi \n\t"
+ "mov %7, %0 \n\t"
+ "movzbl (%0, %%"REG_D"), %%edi \n\t"
"add %6, %%"REG_D" \n\t"
BRANCHLESS_GET_CABAC("%%edx", "%4", "(%%"REG_D")", "%3",
- "%w3", "%%esi", "%%eax", "%%al", "%a11")
+ "%w3", "%%esi", "%k0", "%b0", "%a11")
"mov %1, %%edi \n\t"
"test $1, %%edx \n\t"
@@ -126,32 +126,32 @@ static int decode_significance_8x8_x86(CABACContext *c,
"add %8, %%"REG_D" \n\t"
BRANCHLESS_GET_CABAC("%%edx", "%4", "(%%"REG_D")", "%3",
- "%w3", "%%esi", "%%eax", "%%al", "%a11")
+ "%w3", "%%esi", "%k0", "%b0", "%a11")
- "mov %2, %%"REG_a" \n\t"
+ "mov %2, %0 \n\t"
"mov %1, %%edi \n\t"
- "movl %%edi, (%%"REG_a") \n\t"
+ "movl %%edi, (%0) \n\t"
"test $1, %%edx \n\t"
" jnz 4f \n\t"
- "add $4, %%"REG_a" \n\t"
- "mov %%"REG_a", %2 \n\t"
+ "add $4, %0 \n\t"
+ "mov %0, %2 \n\t"
"3: \n\t"
"addl $1, %%edi \n\t"
"mov %%edi, %1 \n\t"
"cmpl $63, %%edi \n\t"
" jb 2b \n\t"
- "mov %2, %%"REG_a" \n\t"
- "movl %%edi, (%%"REG_a") \n\t"
+ "mov %2, %0 \n\t"
+ "movl %%edi, (%0) \n\t"
"4: \n\t"
- "addl %5, %%eax \n\t"
- "shr $2, %%eax \n\t"
+ "addl %5, %k0 \n\t"
+ "shr $2, %k0 \n\t"
"movl %%esi, %a9(%4) \n\t"
"movl %3, %a10(%4) \n\t"
- :"=&a"(coeff_count),"+m"(last), "+m"(index), "=&r"(low)
+ :"=&r"(coeff_count),"+m"(last), "+m"(index), "=&r"(low)
:"r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base), "m"(sig_off), "m"(last_off),
"i"(offsetof(CABACContext, range)), "i"(offsetof(CABACContext, low)),
"i"(offsetof(CABACContext, bytestream))