void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) { DECLARE_ALIGNED_16(signed int, ABCD[4]) = {((8 - x) * (8 - y)), ((x) * (8 - y)), ((8 - x) * (y)), ((x) * (y))}; register int i; vec_u8 fperm; const vec_s32 vABCD = vec_ld(0, ABCD); const vec_s16 vA = vec_splat((vec_s16)vABCD, 1); const vec_s16 vB = vec_splat((vec_s16)vABCD, 3); const vec_s16 vC = vec_splat((vec_s16)vABCD, 5); const vec_s16 vD = vec_splat((vec_s16)vABCD, 7); LOAD_ZERO; const vec_s16 v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4)); const vec_u16 v6us = vec_splat_u16(6); register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1; register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0; vec_u8 vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1; vec_u8 vsrc0uc, vsrc1uc; vec_s16 vsrc0ssH, vsrc1ssH; vec_u8 vsrcCuc, vsrc2uc, vsrc3uc; vec_s16 vsrc2ssH, vsrc3ssH, psum; vec_u8 vdst, ppsum, fsum; if (((unsigned long)dst) % 16 == 0) { fperm = (vec_u8){0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F}; } else { fperm = (vec_u8){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; } vsrcAuc = vec_ld(0, src); if (loadSecond) vsrcBuc = vec_ld(16, src); vsrcperm0 = vec_lvsl(0, src); vsrcperm1 = vec_lvsl(1, src); vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0); if (reallyBadAlign) vsrc1uc = vsrcBuc; else vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1); vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc0uc); vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc1uc); if (!loadSecond) {// -> !reallyBadAlign for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc); psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); psum = vec_mladd(vB, vsrc1ssH, psum); psum = vec_mladd(vC, vsrc2ssH, psum); psum = vec_mladd(vD, vsrc3ssH, psum); psum = vec_add(v28ss, psum); psum = vec_sra(psum, v6us); vdst = vec_ld(0, dst); ppsum = (vec_u8)vec_packsu(psum, psum); fsum = vec_perm(vdst, ppsum, fperm); vec_st(fsum, 0, dst); vsrc0ssH = vsrc2ssH; vsrc1ssH = vsrc3ssH; dst += stride; src += stride; } } else { vec_u8 vsrcDuc; for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrcDuc = vec_ld(stride + 16, src); vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); if (reallyBadAlign) vsrc3uc = vsrcDuc; else vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); vsrc2ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc3uc); psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); psum = vec_mladd(vB, vsrc1ssH, psum); psum = vec_mladd(vC, vsrc2ssH, psum); psum = vec_mladd(vD, vsrc3ssH, psum); psum = vec_add(v28ss, psum); psum = vec_sr(psum, v6us); vdst = vec_ld(0, dst); ppsum = (vec_u8)vec_pack(psum, psum); fsum = vec_perm(vdst, ppsum, fperm); vec_st(fsum, 0, dst); vsrc0ssH = vsrc2ssH; vsrc1ssH = vsrc3ssH; dst += stride; src += stride; } } }