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public text v1 · immutable
#2066362 ·published 2011-05-21 21:29 UTC
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SECTION_RODATA

v210_mask: times 4 dw 0x3ff

SECTION .text

; decode_words( void *src, uint16_t *y, uint16_t *u, uint16_t *v )
INIT_XMMS
cglobal v210_planar_unpack, 4, 4
    movdqu xmm0, [r0]
    movd   xmm1, 10
    movd   xmm2, 20
    psrld  xmm4, xmm0, xmm1
    psrld  xmm5, xmm0, xmm2
    pand   xmm0, v210_mask
    pand   xmm4, v210_mask
    pand   xmm5, v210_mask

    ;etc

    RET