yuv2yuvX_altivec_real(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) { const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)}; register int i, j; { int __attribute__ ((aligned (16))) val[dstW]; for (i = 0; i < (dstW -7); i+=4) { vec_st(vini, i << 2, val); } for (; i < dstW; i++) { val[i] = (1 << 18); } for (j = 0; j < lumFilterSize; j++) { vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter); vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter); vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter perm = vec_lvsl(0, lumSrc[j]); l1 = vec_ld(0, lumSrc[j]); for (i = 0; i < (dstW - 7); i+=8) { int offset = i << 2; vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]); vector signed int v1 = vec_ld(offset, val); vector signed int v2 = vec_ld(offset + 16, val); vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7] vector signed int i1 = vec_mule(vLumFilter, ls); vector signed int i2 = vec_mulo(vLumFilter, ls); vector signed int vf1 = vec_mergeh(i1, i2); vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j] vector signed int vo1 = vec_add(v1, vf1); vector signed int vo2 = vec_add(v2, vf2); vec_st(vo1, offset, val); vec_st(vo2, offset + 16, val); l1 = l2; } for ( ; i < dstW; i++) { val[i] += lumSrc[j][i] * lumFilter[j]; } } altivec_packIntArrayToCharArray(val,dest,dstW); } if (uDest != 0) { int __attribute__ ((aligned (16))) u[chrDstW]; int __attribute__ ((aligned (16))) v[chrDstW]; for (i = 0; i < (chrDstW -7); i+=4) { vec_st(vini, i << 2, u); vec_st(vini, i << 2, v); } for (; i < chrDstW; i++) { u[i] = (1 << 18); v[i] = (1 << 18); } for (j = 0; j < chrFilterSize; j++) { vector signed short l1, l1_V, vChrFilter = vec_ld(j << 1, chrFilter); vector unsigned char perm, perm0 = vec_lvsl(j << 1, chrFilter); vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0); vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter perm = vec_lvsl(0, chrSrc[j]); l1 = vec_ld(0, chrSrc[j]); l1_V = vec_ld(2048 << 1, chrSrc[j]); for (i = 0; i < (chrDstW - 7); i+=8) { int offset = i << 2; vector signed short l2 = vec_ld((i << 1) + 16, chrSrc[j]); vector signed short l2_V = vec_ld(((i + 2048) << 1) + 16, chrSrc[j]); vector signed int v1 = vec_ld(offset, u); vector signed int v2 = vec_ld(offset + 16, u); vector signed int v1_V = vec_ld(offset, v); vector signed int v2_V = vec_ld(offset + 16, v); vector signed short ls = vec_perm(l1, l2, perm); // chrSrc[j][i] ... chrSrc[j][i+7] vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrSrc[j][i+2048] ... chrSrc[j][i+2055] vector signed int i1 = vec_mule(vChrFilter, ls); vector signed int i2 = vec_mulo(vChrFilter, ls); vector signed int i1_V = vec_mule(vChrFilter, ls_V); vector signed int i2_V = vec_mulo(vChrFilter, ls_V); vector signed int vf1 = vec_mergeh(i1, i2); vector signed int vf2 = vec_mergel(i1, i2); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] vector signed int vf1_V = vec_mergeh(i1_V, i2_V); vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] vector signed int vo1 = vec_add(v1, vf1); vector signed int vo2 = vec_add(v2, vf2); vector signed int vo1_V = vec_add(v1_V, vf1_V); vector signed int vo2_V = vec_add(v2_V, vf2_V); vec_st(vo1, offset, u); vec_st(vo2, offset + 16, u); vec_st(vo1_V, offset, v); vec_st(vo2_V, offset + 16, v); l1 = l2; l1_V = l2_V; } for ( ; i < chrDstW; i++) { u[i] += chrSrc[j][i] * chrFilter[j]; v[i] += chrSrc[j][i + 2048] * chrFilter[j]; } } altivec_packIntArrayToCharArray(u,uDest,chrDstW); altivec_packIntArrayToCharArray(v,vDest,chrDstW); } }
yuv2yuvX_altivec_real(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) { const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)}; register int i, j; { int __attribute__ ((aligned (16))) val[dstW]; for (i = 0; i < (dstW -7); i+=4) { vec_st(vini, i << 2, val); } for (; i < dstW; i++) { val[i] = (1 << 18); } for (j = 0; j < lumFilterSize; j++) { vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter); vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter); vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); vLumFilter = vec_splat(vLumFilter, 0);  