📄 postprocess_template.c
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"psubusb %%mm0, %%mm4 \n\t" //d = MAX(0, |l4-l5| - (|l2-l3| + |l5-l6|)/2)
"movq %%mm4, %%mm3 \n\t" // d
"movq %2, %%mm0 \n\t"
"paddusb %%mm0, %%mm0 \n\t"
"psubusb %%mm0, %%mm4 \n\t"
"pcmpeqb %%mm7, %%mm4 \n\t" // d <= QP ? -1 : 0
"psubusb "MANGLE(b01)", %%mm3 \n\t"
"pand %%mm4, %%mm3 \n\t" // d <= QP ? d : 0
PAVGB(%%mm7, %%mm3) // d/2
"movq %%mm3, %%mm1 \n\t" // d/2
PAVGB(%%mm7, %%mm3) // d/4
PAVGB(%%mm1, %%mm3) // 3*d/8
"movq (%0, %1, 4), %%mm0 \n\t" // line 4
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
"psubusb %%mm3, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%0, %1, 4) \n\t" // line 4
"movq (%%"REG_c"), %%mm0 \n\t" // line 5
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
"paddusb %%mm3, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%"REG_c") \n\t" // line 5
PAVGB(%%mm7, %%mm1) // d/4
"movq (%%"REG_a", %1, 2), %%mm0 \n\t" // line 3
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%"REG_a", %1, 2) \n\t" // line 3
"movq (%%"REG_c", %1), %%mm0 \n\t" // line 6
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%"REG_c", %1) \n\t" // line 6
PAVGB(%%mm7, %%mm1) // d/8
"movq (%%"REG_a", %1), %%mm0 \n\t" // line 2
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2
"psubusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%"REG_a", %1) \n\t" // line 2
"movq (%%"REG_c", %1, 2), %%mm0 \n\t" // line 7
"pxor %%mm2, %%mm0 \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7
"paddusb %%mm1, %%mm0 \n\t"
"pxor %%mm2, %%mm0 \n\t"
"movq %%mm0, (%%"REG_c", %1, 2) \n\t" // line 7
:
: "r" (src), "r" ((long)stride), "m" (co->pQPb)
: "%"REG_a, "%"REG_c
);
#else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
const int l1= stride;
const int l2= stride + l1;
const int l3= stride + l2;
const int l4= stride + l3;
const int l5= stride + l4;
const int l6= stride + l5;
const int l7= stride + l6;
// const int l8= stride + l7;
// const int l9= stride + l8;
int x;
src+= stride*3;
for(x=0; x<BLOCK_SIZE; x++)
{
int a= src[l3] - src[l4];
int b= src[l4] - src[l5];
int c= src[l5] - src[l6];
int d= FFABS(b) - ((FFABS(a) + FFABS(c))>>1);
d= FFMAX(d, 0);
if(d < co->QP*2)
{
int v = d * FFSIGN(-b);
src[l2] +=v>>3;
src[l3] +=v>>2;
src[l4] +=(3*v)>>3;
src[l5] -=(3*v)>>3;
src[l6] -=v>>2;
src[l7] -=v>>3;
}
src++;
}
#endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
}
#ifndef HAVE_ALTIVEC
static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext *c)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
/*
uint8_t tmp[16];
const int l1= stride;
const int l2= stride + l1;
const int l3= stride + l2;
const int l4= (int)tmp - (int)src - stride*3;
const int l5= (int)tmp - (int)src - stride*3 + 8;
const int l6= stride*3 + l3;
const int l7= stride + l6;
const int l8= stride + l7;
memcpy(tmp, src+stride*7, 8);
memcpy(tmp+8, src+stride*8, 8);
*/
src+= stride*4;
asm volatile(
#if 0 //sligtly more accurate and slightly slower
"pxor %%mm7, %%mm7 \n\t" // 0
"lea (%0, %1), %%"REG_a" \n\t"
"lea (%%"REG_a", %1, 4), %%"REG_c" \n\t"
// 0 1 2 3 4 5 6 7
// %0 %0+%1 %0+2%1 eax+2%1 %0+4%1 eax+4%1 ecx+%1 ecx+2%1
// %0 eax eax+%1 eax+2%1 %0+4%1 ecx ecx+%1 ecx+2%1
"movq (%0, %1, 2), %%mm0 \n\t" // l2
"movq (%0), %%mm1 \n\t" // l0
"movq %%mm0, %%mm2 \n\t" // l2
PAVGB(%%mm7, %%mm0) // ~l2/2
PAVGB(%%mm1, %%mm0) // ~(l2 + 2l0)/4
PAVGB(%%mm2, %%mm0) // ~(5l2 + 2l0)/8
"movq (%%"REG_a"), %%mm1 \n\t" // l1
"movq (%%"REG_a", %1, 2), %%mm3 \n\t" // l3
"movq %%mm1, %%mm4 \n\t" // l1
PAVGB(%%mm7, %%mm1) // ~l1/2
PAVGB(%%mm3, %%mm1) // ~(l1 + 2l3)/4
PAVGB(%%mm4, %%mm1) // ~(5l1 + 2l3)/8
"movq %%mm0, %%mm4 \n\t" // ~(5l2 + 2l0)/8
"psubusb %%mm1, %%mm0 \n\t"
"psubusb %%mm4, %%mm1 \n\t"
"por %%mm0, %%mm1 \n\t" // ~|2l0 - 5l1 + 5l2 - 2l3|/8
// mm1= |lenergy|, mm2= l2, mm3= l3, mm7=0
"movq (%0, %1, 4), %%mm0 \n\t" // l4
"movq %%mm0, %%mm4 \n\t" // l4
PAVGB(%%mm7, %%mm0) // ~l4/2
PAVGB(%%mm2, %%mm0) // ~(l4 + 2l2)/4
PAVGB(%%mm4, %%mm0) // ~(5l4 + 2l2)/8
"movq (%%"REG_c"), %%mm2 \n\t" // l5
"movq %%mm3, %%mm5 \n\t" // l3
PAVGB(%%mm7, %%mm3) // ~l3/2
PAVGB(%%mm2, %%mm3) // ~(l3 + 2l5)/4
PAVGB(%%mm5, %%mm3) // ~(5l3 + 2l5)/8
"movq %%mm0, %%mm6 \n\t" // ~(5l4 + 2l2)/8
"psubusb %%mm3, %%mm0 \n\t"
"psubusb %%mm6, %%mm3 \n\t"
"por %%mm0, %%mm3 \n\t" // ~|2l2 - 5l3 + 5l4 - 2l5|/8
"pcmpeqb %%mm7, %%mm0 \n\t" // SIGN(2l2 - 5l3 + 5l4 - 2l5)
// mm0= SIGN(menergy), mm1= |lenergy|, mm2= l5, mm3= |menergy|, mm4=l4, mm5= l3, mm7=0
"movq (%%"REG_c", %1), %%mm6 \n\t" // l6
"movq %%mm6, %%mm5 \n\t" // l6
PAVGB(%%mm7, %%mm6) // ~l6/2
PAVGB(%%mm4, %%mm6) // ~(l6 + 2l4)/4
PAVGB(%%mm5, %%mm6) // ~(5l6 + 2l4)/8
"movq (%%"REG_c", %1, 2), %%mm5 \n\t" // l7
"movq %%mm2, %%mm4 \n\t" // l5
PAVGB(%%mm7, %%mm2) // ~l5/2
PAVGB(%%mm5, %%mm2) // ~(l5 + 2l7)/4
PAVGB(%%mm4, %%mm2) // ~(5l5 + 2l7)/8
"movq %%mm6, %%mm4 \n\t" // ~(5l6 + 2l4)/8
"psubusb %%mm2, %%mm6 \n\t"
"psubusb %%mm4, %%mm2 \n\t"
"por %%mm6, %%mm2 \n\t" // ~|2l4 - 5l5 + 5l6 - 2l7|/8
// mm0= SIGN(menergy), mm1= |lenergy|/8, mm2= |renergy|/8, mm3= |menergy|/8, mm7=0
PMINUB(%%mm2, %%mm1, %%mm4) // MIN(|lenergy|,|renergy|)/8
"movq %2, %%mm4 \n\t" // QP //FIXME QP+1 ?
"paddusb "MANGLE(b01)", %%mm4 \n\t"
"pcmpgtb %%mm3, %%mm4 \n\t" // |menergy|/8 < QP
"psubusb %%mm1, %%mm3 \n\t" // d=|menergy|/8-MIN(|lenergy|,|renergy|)/8
"pand %%mm4, %%mm3 \n\t"
"movq %%mm3, %%mm1 \n\t"
// "psubusb "MANGLE(b01)", %%mm3 \n\t"
PAVGB(%%mm7, %%mm3)
PAVGB(%%mm7, %%mm3)
"paddusb %%mm1, %%mm3 \n\t"
// "paddusb "MANGLE(b01)", %%mm3 \n\t"
"movq (%%"REG_a", %1, 2), %%mm6 \n\t" //l3
"movq (%0, %1, 4), %%mm5 \n\t" //l4
"movq (%0, %1, 4), %%mm4 \n\t" //l4
"psubusb %%mm6, %%mm5 \n\t"
"psubusb %%mm4, %%mm6 \n\t"
"por %%mm6, %%mm5 \n\t" // |l3-l4|
"pcmpeqb %%mm7, %%mm6 \n\t" // SIGN(l3-l4)
"pxor %%mm6, %%mm0 \n\t"
"pand %%mm0, %%mm3 \n\t"
PMINUB(%%mm5, %%mm3, %%mm0)
"psubusb "MANGLE(b01)", %%mm3 \n\t"
PAVGB(%%mm7, %%mm3)
"movq (%%"REG_a", %1, 2), %%mm0 \n\t"
"movq (%0, %1, 4), %%mm2 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"psubb %%mm3, %%mm0 \n\t"
"paddb %%mm3, %%mm2 \n\t"
"pxor %%mm6, %%mm0 \n\t"
"pxor %%mm6, %%mm2 \n\t"
"movq %%mm0, (%%"REG_a", %1, 2) \n\t"
"movq %%mm2, (%0, %1, 4) \n\t"
#endif //0
"lea (%0, %1), %%"REG_a" \n\t"
"pcmpeqb %%mm6, %%mm6 \n\t" // -1
// 0 1 2 3 4 5 6 7
// %0 %0+%1 %0+2%1 eax+2%1 %0+4%1 eax+4%1 ecx+%1 ecx+2%1
// %0 eax eax+%1 eax+2%1 %0+4%1 ecx ecx+%1 ecx+2%1
"movq (%%"REG_a", %1, 2), %%mm1 \n\t" // l3
"movq (%0, %1, 4), %%mm0 \n\t" // l4
"pxor %%mm6, %%mm1 \n\t" // -l3-1
PAVGB(%%mm1, %%mm0) // -q+128 = (l4-l3+256)/2
// mm1=-l3-1, mm0=128-q
"movq (%%"REG_a", %1, 4), %%mm2 \n\t" // l5
"movq (%%"REG_a", %1), %%mm3 \n\t" // l2
"pxor %%mm6, %%mm2 \n\t" // -l5-1
"movq %%mm2, %%mm5 \n\t" // -l5-1
"movq "MANGLE(b80)", %%mm4 \n\t" // 128
"lea (%%"REG_a", %1, 4), %%"REG_c" \n\t"
PAVGB(%%mm3, %%mm2) // (l2-l5+256)/2
PAVGB(%%mm0, %%mm4) // ~(l4-l3)/4 + 128
PAVGB(%%mm2, %%mm4) // ~(l2-l5)/4 +(l4-l3)/8 + 128
PAVGB(%%mm0, %%mm4) // ~(l2-l5)/8 +5(l4-l3)/16 + 128
// mm1=-l3-1, mm0=128-q, mm3=l2, mm4=menergy/16 + 128, mm5= -l5-1
"movq (%%"REG_a"), %%mm2 \n\t" // l1
"pxor %%mm6, %%mm2 \n\t" // -l1-1
PAVGB(%%mm3, %%mm2) // (l2-l1+256)/2
PAVGB((%0), %%mm1) // (l0-l3+256)/2
"movq "MANGLE(b80)", %%mm3 \n\t" // 128
PAVGB(%%mm2, %%mm3) // ~(l2-l1)/4 + 128
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