Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

cabac: increment jump locations by one in callers of BRANCHLESS_GET_CABAC().

Browse Source
pull/4/head
Ronald S. Bultje 13 years ago
parent 16f6e83f74
commit 448dc42571
1 changed files with 12 additions and 12 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 24
      libavcodec/x86/h264_i386.h

24
libavcodec/x86/h264_i386.h
Unescape View File

@ -46,13 +46,13 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
int bit;
x86_reg coeff_count;
__asm__ volatile(
"2: \n\t"
"3: \n\t"
BRANCHLESS_GET_CABAC("%4", "(%1)", "%3", "%w3",
"%5", "%k0", "%b0", "%a11(%6)")
"test $1, %4 \n\t"
" jz 3f \n\t"
" jz 4f \n\t"
"add %10, %1 \n\t"
BRANCHLESS_GET_CABAC("%4", "(%1)", "%3", "%w3",
@ -65,19 +65,19 @@ static int decode_significance_x86(CABACContext *c, int max_coeff,
"movl %%ecx, (%0) \n\t"
"test $1, %4 \n\t"
" jnz 4f \n\t"
" jnz 5f \n\t"
"add"OPSIZE" $4, %2 \n\t"
"3: \n\t"
"4: \n\t"
"add $1, %1 \n\t"
"cmp %8, %1 \n\t"
" jb 2b \n\t"
" jb 3b \n\t"
"mov %2, %0 \n\t"
"movl %7, %%ecx \n\t"
"add %1, %%"REG_c" \n\t"
"movl %%ecx, (%0) \n\t"
"4: \n\t"
"5: \n\t"
"add %9, %k0 \n\t"
"shr $2, %k0 \n\t"
: "=&q"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index),
@ -99,7 +99,7 @@ static int decode_significance_8x8_x86(CABACContext *c,
x86_reg state;
__asm__ volatile(
"mov %1, %6 \n\t"
"2: \n\t"
"3: \n\t"
"mov %10, %0 \n\t"
"movzbl (%0, %6), %k6 \n\t"
@ -110,7 +110,7 @@ static int decode_significance_8x8_x86(CABACContext *c,
"mov %1, %k6 \n\t"
"test $1, %4 \n\t"
" jz 3f \n\t"
" jz 4f \n\t"
"movzbl "MANGLE(last_coeff_flag_offset_8x8)"(%k6), %k6\n\t"
"add %11, %6 \n\t"
@ -123,18 +123,18 @@ static int decode_significance_8x8_x86(CABACContext *c,
"movl %k6, (%0) \n\t"
"test $1, %4 \n\t"
" jnz 4f \n\t"
" jnz 5f \n\t"
"add"OPSIZE" $4, %2 \n\t"
"3: \n\t"
"4: \n\t"
"addl $1, %k6 \n\t"
"mov %k6, %1 \n\t"
"cmpl $63, %k6 \n\t"
" jb 2b \n\t"
" jb 3b \n\t"
"mov %2, %0 \n\t"
"movl %k6, (%0) \n\t"
"4: \n\t"
"5: \n\t"
"addl %8, %k0 \n\t"
"shr $2, %k0 \n\t"
: "=&q"(coeff_count), "+m"(last), "+m"(index), "+&r"(c->low),

Write Preview
Loading…
Cancel
Save