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@ -32,9 +32,14 @@ |
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#include "cabac.h" |
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//FIXME use some macros to avoid duplicatin get_cabac (cannot be done yet as that would make optimization work hard)
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#if defined(ARCH_X86) && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) |
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static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *significant_coeff_ctx_base, int *index){ |
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//FIXME use some macros to avoid duplicating get_cabac (cannot be done yet
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//as that would make optimization work hard)
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#if defined(ARCH_X86) && defined(HAVE_7REGS) && \ |
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defined(HAVE_EBX_AVAILABLE) && \
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!defined(BROKEN_RELOCATIONS) |
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static int decode_significance_x86(CABACContext *c, int max_coeff, |
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uint8_t *significant_coeff_ctx_base, |
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int *index){ |
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void *end= significant_coeff_ctx_base + max_coeff - 1; |
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int minusstart= -(int)significant_coeff_ctx_base; |
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int minusindex= 4-(int)index; |
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@ -45,12 +50,14 @@ static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *sign |
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"2: \n\t" |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al") |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "(%1)", "%%ebx", |
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"%%bx", "%%esi", "%%eax", "%%al") |
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"test $1, %%edx \n\t" |
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" jz 3f \n\t" |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "61(%1)", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al") |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "61(%1)", "%%ebx", |
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"%%bx", "%%esi", "%%eax", "%%al") |
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"mov %2, %%"REG_a" \n\t" |
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"movl %4, %%ecx \n\t" |
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@ -84,7 +91,9 @@ static int decode_significance_x86(CABACContext *c, int max_coeff, uint8_t *sign |
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return coeff_count; |
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} |
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static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coeff_ctx_base, int *index, const uint8_t *sig_off){ |
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static int decode_significance_8x8_x86(CABACContext *c, |
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uint8_t *significant_coeff_ctx_base, |
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int *index, const uint8_t *sig_off){ |
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int minusindex= 4-(int)index; |
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int coeff_count; |
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long last=0; |
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@ -99,7 +108,8 @@ static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coe |
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"movzbl (%%"REG_a", %%"REG_D"), %%edi \n\t" |
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"add %5, %%"REG_D" \n\t" |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al") |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "(%%"REG_D")", "%%ebx", |
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"%%bx", "%%esi", "%%eax", "%%al") |
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"mov %1, %%edi \n\t" |
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"test $1, %%edx \n\t" |
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@ -108,7 +118,8 @@ static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coe |
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"movzbl "MANGLE(last_coeff_flag_offset_8x8)"(%%edi), %%edi\n\t" |
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"add %5, %%"REG_D" \n\t" |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "15(%%"REG_D")", "%%ebx", "%%bx", "%%esi", "%%eax", "%%al") |
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BRANCHLESS_GET_CABAC("%%edx", "%3", "15(%%"REG_D")", "%%ebx", |
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"%%bx", "%%esi", "%%eax", "%%al") |
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"mov %2, %%"REG_a" \n\t" |
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"mov %1, %%edi \n\t" |
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@ -139,6 +150,7 @@ static int decode_significance_8x8_x86(CABACContext *c, uint8_t *significant_coe |
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); |
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return coeff_count; |
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} |
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#endif /* defined(ARCH_X86) && && defined(HAVE_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */ |
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#endif /* defined(ARCH_X86) && defined(HAVE_7REGS) && */ |
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/* defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS) */ |
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#endif /* FFMPEG_H264_I386_H */ |
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