📄 predict-a.asm
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%assign Y 0%rep 8 psrldq xmm0, 1 movq [parm1q+Y*FDEC_STRIDE], xmm0%assign Y (Y+1)%endrep ret;-----------------------------------------------------------------------------; void predict_8x8_ddr_sse2( uint8_t *src, uint8_t *edge );-----------------------------------------------------------------------------ALIGN 16predict_8x8_ddr_sse2: movdqu xmm3, [parm2q+8] movdqu xmm1, [parm2q+7] movdqa xmm2, xmm3 psrldq xmm2, 1 PRED8x8_LOWPASS_XMM xmm0, xmm1, xmm2, xmm3, xmm4 movdqa xmm1, xmm0 psrldq xmm1, 1%assign Y 7%rep 3 movq [parm1q+Y*FDEC_STRIDE], xmm0 movq [parm1q+(Y-1)*FDEC_STRIDE], xmm1 psrldq xmm0, 2 psrldq xmm1, 2%assign Y (Y-2)%endrep movq [parm1q+1*FDEC_STRIDE], xmm0 movq [parm1q+0*FDEC_STRIDE], xmm1 ret;-----------------------------------------------------------------------------; void predict_8x8_vl_sse2( uint8_t *src, uint8_t *edge );-----------------------------------------------------------------------------ALIGN 16predict_8x8_vl_sse2: movdqa xmm4, [parm2q+16] movdqa xmm2, xmm4 movdqa xmm1, xmm4 movdqa xmm3, xmm4 psrldq xmm2, 1 pslldq xmm1, 1 pavgb xmm3, xmm2 PRED8x8_LOWPASS_XMM xmm0, xmm1, xmm2, xmm4, xmm5; xmm0: (t0 + 2*t1 + t2 + 2) >> 2; xmm3: (t0 + t1 + 1) >> 1%assign Y 0%rep 3 psrldq xmm0, 1 movq [parm1q+ Y *FDEC_STRIDE], xmm3 movq [parm1q+(Y+1)*FDEC_STRIDE], xmm0 psrldq xmm3, 1%assign Y (Y+2)%endrep psrldq xmm0, 1 movq [parm1q+ Y *FDEC_STRIDE], xmm3 movq [parm1q+(Y+1)*FDEC_STRIDE], xmm0 ret;-----------------------------------------------------------------------------; void predict_8x8_vr_core_mmxext( uint8_t *src, uint8_t *edge );-----------------------------------------------------------------------------; fills only some pixels:; f01234567; 0........; 1,,,,,,,,; 2 .......; 3 ,,,,,,,; 4 ......; 5 ,,,,,,; 6 .....; 7 ,,,,,ALIGN 16predict_8x8_vr_core_mmxext: movq mm2, [parm2q+16] movq mm3, [parm2q+15] movq mm1, [parm2q+14] movq mm4, mm3 pavgb mm3, mm2 PRED8x8_LOWPASS mm0, mm1, mm2, mm4, mm7%assign Y 0%rep 3 movq [parm1q+ Y *FDEC_STRIDE], mm3 movq [parm1q+(Y+1)*FDEC_STRIDE], mm0 psllq mm3, 8 psllq mm0, 8%assign Y (Y+2)%endrep movq [parm1q+ Y *FDEC_STRIDE], mm3 movq [parm1q+(Y+1)*FDEC_STRIDE], mm0 ret;-----------------------------------------------------------------------------; void predict_8x8c_v_mmx( uint8_t *src );-----------------------------------------------------------------------------ALIGN 16predict_8x8c_v_mmx : movq mm0, [parm1q - FDEC_STRIDE] STORE8x8 mm0, mm0 ret;-----------------------------------------------------------------------------; void predict_8x8c_dc_core_mmxext( uint8_t *src, int s2, int s3 );-----------------------------------------------------------------------------ALIGN 16predict_8x8c_dc_core_mmxext: movq mm0, [parm1q - FDEC_STRIDE] pxor mm1, mm1 pxor mm2, mm2 punpckhbw mm1, mm0 punpcklbw mm0, mm2 psadbw mm1, mm2 ; s1 psadbw mm0, mm2 ; s0 movd mm4, parm2d movd mm5, parm3d paddw mm0, mm4 pshufw mm2, mm5, 0 psrlw mm0, 3 paddw mm1, [pw_2 GLOBAL] movq mm3, mm2 pshufw mm1, mm1, 0 pshufw mm0, mm0, 0 ; dc0 (w) paddw mm3, mm1 psrlw mm3, 3 ; dc3 (w) psrlw mm2, 2 ; dc2 (w) psrlw mm1, 2 ; dc1 (w) packuswb mm0, mm1 ; dc0,dc1 (b) packuswb mm2, mm3 ; dc2,dc3 (b) STORE8x8 mm0, mm2 ret;-----------------------------------------------------------------------------; void predict_8x8c_p_core_mmxext( uint8_t *src, int i00, int b, int c );-----------------------------------------------------------------------------ALIGN 16predict_8x8c_p_core_mmxext: movd mm0, parm2d movd mm2, parm3d movd mm4, parm4d pshufw mm0, mm0, 0 pshufw mm2, mm2, 0 pshufw mm4, mm4, 0 movq mm1, mm2 pmullw mm2, [pw_3210 GLOBAL] psllw mm1, 2 paddsw mm0, mm2 ; mm0 = {i+0*b, i+1*b, i+2*b, i+3*b} paddsw mm1, mm0 ; mm1 = {i+4*b, i+5*b, i+6*b, i+7*b} mov eax, 8ALIGN 4.loop: movq mm5, mm0 movq mm6, mm1 psraw mm5, 5 psraw mm6, 5 packuswb mm5, mm6 movq [parm1q], mm5 paddsw mm0, mm4 paddsw mm1, mm4 add parm1q, FDEC_STRIDE dec eax jg .loop nop ret;-----------------------------------------------------------------------------; void predict_16x16_p_core_mmxext( uint8_t *src, int i00, int b, int c );-----------------------------------------------------------------------------ALIGN 16predict_16x16_p_core_mmxext: movd mm0, parm2d movd mm2, parm3d movd mm4, parm4d pshufw mm0, mm0, 0 pshufw mm2, mm2, 0 pshufw mm4, mm4, 0 movq mm5, mm2 movq mm1, mm2 pmullw mm5, [pw_3210 GLOBAL] psllw mm2, 3 psllw mm1, 2 movq mm3, mm2 paddsw mm0, mm5 ; mm0 = {i+ 0*b, i+ 1*b, i+ 2*b, i+ 3*b} paddsw mm1, mm0 ; mm1 = {i+ 4*b, i+ 5*b, i+ 6*b, i+ 7*b} paddsw mm2, mm0 ; mm2 = {i+ 8*b, i+ 9*b, i+10*b, i+11*b} paddsw mm3, mm1 ; mm3 = {i+12*b, i+13*b, i+14*b, i+15*b} mov eax, 16ALIGN 4.loop: movq mm5, mm0 movq mm6, mm1 psraw mm5, 5 psraw mm6, 5 packuswb mm5, mm6 movq [parm1q], mm5 movq mm5, mm2 movq mm6, mm3 psraw mm5, 5 psraw mm6, 5 packuswb mm5, mm6 movq [parm1q+8], mm5 paddsw mm0, mm4 paddsw mm1, mm4 paddsw mm2, mm4 paddsw mm3, mm4 add parm1q, FDEC_STRIDE dec eax jg .loop nop ret ;-----------------------------------------------------------------------------; void predict_16x16_v_mmx( uint8_t *src );-----------------------------------------------------------------------------ALIGN 16predict_16x16_v_mmx : sub parm1q, FDEC_STRIDE movq mm0, [parm1q] movq mm1, [parm1q + 8] STORE16x16 mm0, mm1 ret;-----------------------------------------------------------------------------; void predict_16x16_dc_core_mmxext( uint8_t *src, int i_dc_left );-----------------------------------------------------------------------------%macro PRED16x16_DC 2 sub parm1q, FDEC_STRIDE pxor mm0, mm0 pxor mm1, mm1 psadbw mm0, [parm1q] psadbw mm1, [parm1q + 8] paddusw mm0, mm1 paddusw mm0, %1 psrlw mm0, %2 ; dc pshufw mm0, mm0, 0 packuswb mm0, mm0 ; dc in bytes STORE16x16 mm0, mm0%endmacroALIGN 16predict_16x16_dc_core_mmxext: movd mm2, parm2d PRED16x16_DC mm2, 5 retALIGN 16predict_16x16_dc_top_mmxext: PRED16x16_DC [pw_8 GLOBAL], 4 ret⌨️ 快捷键说明
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