-//FIXME the x86 code from this file should be moved into i386/h264 or cabac something.c/h (note ill kill you if you move my code away from under my fingers before iam finished with it!)
-//FIXME use some macros to avoid duplicatin get_cabac (cant be done yet as that would make optimization work hard)
-#ifdef ARCH_X86
-static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *significant_coeff_ctx_base, int *index){
- void *end= significant_coeff_ctx_base + max_coeff - 1;
- int minusstart= -(int)significant_coeff_ctx_base;
- int minusindex= -(int)index;
- int coeff_count;
- asm volatile(
- "movl "RANGE "(%3), %%esi \n\t"
- "movl "LOW "(%3), %%ebx \n\t"
-
- "2: \n\t"
-
- "movzbl (%1), %0 \n\t"
- "movl %%esi, %%edx \n\t"
- "andl $0xC0, %%esi \n\t"
- "movzbl "MANGLE(ff_h264_lps_range)"(%0, %%esi, 2), %%esi\n\t"
-/*eax:state ebx:low, edx:range, esi:RangeLPS*/
- "subl %%esi, %%edx \n\t"
-
-#if (defined CMOV_IS_FAST && __CPU__ >= 686)
- "movl %%edx, %%ecx \n\t"
- "shl $17, %%edx \n\t"
- "cmpl %%ebx, %%edx \n\t"
- "cmova %%ecx, %%esi \n\t"
- "sbbl %%ecx, %%ecx \n\t"
- "andl %%ecx, %%edx \n\t"
- "subl %%edx, %%ebx \n\t"
- "xorl %%ecx, %0 \n\t"
-#else /* CMOV_IS_FAST */
- "movl %%edx, %%ecx \n\t"
- "shl $17, %%edx \n\t"
- "subl %%ebx, %%edx \n\t"
- "sarl $31, %%edx \n\t" //lps_mask
- "subl %%ecx, %%esi \n\t" //RangeLPS - range
- "andl %%edx, %%esi \n\t" //(RangeLPS - range)&lps_mask
- "addl %%ecx, %%esi \n\t" //new range
- "shl $17, %%ecx \n\t"
- "andl %%edx, %%ecx \n\t"
- "subl %%ecx, %%ebx \n\t"
- "xorl %%edx, %0 \n\t"
-#endif /* CMOV_IS_FAST */
-
- "movzbl " MANGLE(ff_h264_norm_shift) "(%%esi), %%ecx \n\t"
- "shll %%cl, %%esi \n\t"
- "movzbl "MANGLE(ff_h264_mlps_state)"+128(%0), %%edx \n\t"
- "movb %%dl, (%1) \n\t"
- "shll %%cl, %%ebx \n\t"
- "test %%bx, %%bx \n\t"
- " jnz 1f \n\t"
-
- "movl "BYTE "(%3), %%ecx \n\t"
- "movzwl (%%ecx), %%edx \n\t"
- "bswap %%edx \n\t"
- "shrl $15, %%edx \n\t"
- "subl $0xFFFF, %%edx \n\t"
- "addl $2, %%ecx \n\t"
- "movl %%ecx, "BYTE "(%3) \n\t"
-
- "leal -1(%%ebx), %%ecx \n\t"
- "xorl %%ebx, %%ecx \n\t"
- "shrl $15, %%ecx \n\t"
- "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t"
- "neg %%ecx \n\t"
- "add $7, %%ecx \n\t"
-
- "shll %%cl , %%edx \n\t"
- "addl %%edx, %%ebx \n\t"
- "1: \n\t"
-
- "test $1, %0 \n\t"
- " jz 3f \n\t"
-
- "movl %2, %%eax \n\t"
- "movl %4, %%ecx \n\t"
- "addl %1, %%ecx \n\t"
- "movl %%ecx, (%%eax) \n\t"
- "addl $4, %%eax \n\t"
- "movl %%eax, %2 \n\t"
-
- "movzbl 61(%1), %0 \n\t"
- "movl %%esi, %%edx \n\t"
- "andl $0xC0, %%esi \n\t"
- "movzbl "MANGLE(ff_h264_lps_range)"(%0, %%esi, 2), %%esi\n\t"
-/*eax:state ebx:low, edx:range, esi:RangeLPS*/
- "subl %%esi, %%edx \n\t"
-
-#if (defined CMOV_IS_FAST && __CPU__ >= 686)
- "movl %%edx, %%ecx \n\t"
- "shl $17, %%edx \n\t"
- "cmpl %%ebx, %%edx \n\t"
- "cmova %%ecx, %%esi \n\t"
- "sbbl %%ecx, %%ecx \n\t"
- "andl %%ecx, %%edx \n\t"
- "subl %%edx, %%ebx \n\t"
- "xorl %%ecx, %0 \n\t"
-#else /* CMOV_IS_FAST */
- "movl %%edx, %%ecx \n\t"
- "shl $17, %%edx \n\t"
- "subl %%ebx, %%edx \n\t"
- "sarl $31, %%edx \n\t" //lps_mask
- "subl %%ecx, %%esi \n\t" //RangeLPS - range
- "andl %%edx, %%esi \n\t" //(RangeLPS - range)&lps_mask
- "addl %%ecx, %%esi \n\t" //new range
- "shl $17, %%ecx \n\t"
- "andl %%edx, %%ecx \n\t"
- "subl %%ecx, %%ebx \n\t"
- "xorl %%edx, %0 \n\t"
-#endif /* CMOV_IS_FAST */
-
- "movzbl " MANGLE(ff_h264_norm_shift) "(%%esi), %%ecx \n\t"
- "shll %%cl, %%esi \n\t"
- "movzbl "MANGLE(ff_h264_mlps_state)"+128(%0), %%edx \n\t"
- "movb %%dl, 61(%1) \n\t"
- "shll %%cl, %%ebx \n\t"
- "test %%bx, %%bx \n\t"
- " jnz 1f \n\t"
-
- "movl "BYTE "(%3), %%ecx \n\t"
- "movzwl (%%ecx), %%edx \n\t"
- "bswap %%edx \n\t"
- "shrl $15, %%edx \n\t"
- "subl $0xFFFF, %%edx \n\t"
- "addl $2, %%ecx \n\t"
- "movl %%ecx, "BYTE "(%3) \n\t"
-
- "leal -1(%%ebx), %%ecx \n\t"
- "xorl %%ebx, %%ecx \n\t"
- "shrl $15, %%ecx \n\t"
- "movzbl " MANGLE(ff_h264_norm_shift) "(%%ecx), %%ecx \n\t"
- "neg %%ecx \n\t"
- "add $7, %%ecx \n\t"
-
- "shll %%cl , %%edx \n\t"
- "addl %%edx, %%ebx \n\t"
- "1: \n\t"
-
- "test $1, %%eax \n\t"
- " jnz 4f \n\t"
-
- "3: \n\t"
- "addl $1, %1 \n\t"
- "cmpl %5, %1 \n\t"
- " jb 2b \n\t"
- "movl %2, %%eax \n\t"
- "movl %4, %%ecx \n\t"
- "addl %1, %%ecx \n\t"
- "movl %%ecx, (%%eax) \n\t"
- "addl $4, %%eax \n\t"
- "movl %%eax, %2 \n\t"
- "4: \n\t"
- "movl %2, %%eax \n\t"
- "addl %6, %%eax \n\t"
- "shr $2, %%eax \n\t"
-
- "movl %%esi, "RANGE "(%3) \n\t"
- "movl %%ebx, "LOW "(%3) \n\t"
- :"=&a"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index)\
- :"r"(c), "m"(minusstart), "m"(end), "m"(minusindex)\
- : "%ecx", "%ebx", "%edx", "%esi", "memory"\
- );
- return coeff_count;
-}
-#endif
-