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; Code |
; Code |
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;============================================================================= |
;============================================================================= |
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SECTION .rotext align=SECTION_ALIGN |
TEXT |
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cglobal quant_mpeg_intra_mmx |
cglobal quant_mpeg_intra_mmx |
117 |
cglobal quant_mpeg_inter_mmx |
cglobal quant_mpeg_inter_mmx |
192 |
mov _EDX, _EAX |
mov _EDX, _EAX |
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shr TMP0, 1 ; TMP0 = dcscalar/2 |
shr TMP0, 1 ; TMP0 = dcscalar/2 |
194 |
sar _EDX, 31 ; TMP1 = sign extend of _EAX (ready for division too) |
sar _EDX, 31 ; TMP1 = sign extend of _EAX (ready for division too) |
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xor TMP0, _EDX ; adjust TMP0 according to the sign of data[0] |
xor TMP0, _EDX ; adjust TMP0 according to the sign of data[0] |
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sub TMP0, _EDX |
sub TMP0, _EDX |
198 |
add _EAX, TMP0 |
add _EAX, TMP0 |