diff options
Diffstat (limited to 'libavcodec/ppc/h264_qpel_template.c')
| -rw-r--r-- | libavcodec/ppc/h264_qpel_template.c | 775 |
1 files changed, 775 insertions, 0 deletions
diff --git a/libavcodec/ppc/h264_qpel_template.c b/libavcodec/ppc/h264_qpel_template.c new file mode 100644 index 0000000000..b445f926a7 --- /dev/null +++ b/libavcodec/ppc/h264_qpel_template.c @@ -0,0 +1,775 @@ +/* + * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/mem.h" + +#ifdef DEBUG +#define ASSERT_ALIGNED(ptr) assert(((unsigned long)ptr&0x0000000F)); +#else +#define ASSERT_ALIGNED(ptr) ; +#endif + +/* this code assume that stride % 16 == 0 */ + +#define CHROMA_MC8_ALTIVEC_CORE(BIAS1, BIAS2) \ + 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, BIAS1);\ + psum = vec_mladd(vB, vsrc1ssH, psum);\ + psum = vec_mladd(vC, vsrc2ssH, psum);\ + psum = vec_mladd(vD, vsrc3ssH, psum);\ + psum = BIAS2(psum);\ + psum = vec_sr(psum, v6us);\ +\ + vdst = vec_ld(0, dst);\ + ppsum = (vec_u8)vec_pack(psum, psum);\ + vfdst = vec_perm(vdst, ppsum, fperm);\ +\ + OP_U8_ALTIVEC(fsum, vfdst, vdst);\ +\ + vec_st(fsum, 0, dst);\ +\ + vsrc0ssH = vsrc2ssH;\ + vsrc1ssH = vsrc3ssH;\ +\ + dst += stride;\ + src += stride; + +#define CHROMA_MC8_ALTIVEC_CORE_SIMPLE \ +\ + vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc0uc);\ + vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc1uc);\ +\ + psum = vec_mladd(vA, vsrc0ssH, v32ss);\ + psum = vec_mladd(vE, vsrc1ssH, psum);\ + psum = vec_sr(psum, v6us);\ +\ + vdst = vec_ld(0, dst);\ + ppsum = (vec_u8)vec_pack(psum, psum);\ + vfdst = vec_perm(vdst, ppsum, fperm);\ +\ + OP_U8_ALTIVEC(fsum, vfdst, vdst);\ +\ + vec_st(fsum, 0, dst);\ +\ + dst += stride;\ + src += stride; + +#define noop(a) a +#define add28(a) vec_add(v28ss, a) + +#ifdef PREFIX_h264_chroma_mc8_altivec +static void PREFIX_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 v32ss = vec_sl(vec_splat_s16(1),vec_splat_u16(5)); + 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, av_uninit(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, vfdst, 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 (ABCD[3]) { + 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); + + CHROMA_MC8_ALTIVEC_CORE(v32ss, noop) + } + } 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); + + CHROMA_MC8_ALTIVEC_CORE(v32ss, noop) + } + } + } else { + const vec_s16 vE = vec_add(vB, vC); + if (ABCD[2]) { // x == 0 B == 0 + if (!loadSecond) {// -> !reallyBadAlign + for (i = 0 ; i < h ; i++) { + vsrcCuc = vec_ld(stride + 0, src); + vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); + CHROMA_MC8_ALTIVEC_CORE_SIMPLE + + vsrc0uc = vsrc1uc; + } + } else { + vec_u8 vsrcDuc; + for (i = 0 ; i < h ; i++) { + vsrcCuc = vec_ld(stride + 0, src); + vsrcDuc = vec_ld(stride + 15, src); + vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); + CHROMA_MC8_ALTIVEC_CORE_SIMPLE + + vsrc0uc = vsrc1uc; + } + } + } else { // y == 0 C == 0 + if (!loadSecond) {// -> !reallyBadAlign + for (i = 0 ; i < h ; i++) { + vsrcCuc = vec_ld(0, src); + vsrc0uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); + vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); + + CHROMA_MC8_ALTIVEC_CORE_SIMPLE + } + } else { + vec_u8 vsrcDuc; + for (i = 0 ; i < h ; i++) { + vsrcCuc = vec_ld(0, src); + vsrcDuc = vec_ld(15, src); + vsrc0uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); + if (reallyBadAlign) + vsrc1uc = vsrcDuc; + else + vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); + + CHROMA_MC8_ALTIVEC_CORE_SIMPLE + } + } + } + } +} +#endif + +/* this code assume that stride % 16 == 0 */ +#ifdef PREFIX_no_rnd_vc1_chroma_mc8_altivec +static void PREFIX_no_rnd_vc1_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, av_uninit(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, vfdst, 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); + + CHROMA_MC8_ALTIVEC_CORE(vec_splat_s16(0), add28) + } + } 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); + + CHROMA_MC8_ALTIVEC_CORE(vec_splat_s16(0), add28) + } + } +} +#endif + +#undef noop +#undef add28 +#undef CHROMA_MC8_ALTIVEC_CORE + +/* this code assume stride % 16 == 0 */ +#ifdef PREFIX_h264_qpel16_h_lowpass_altivec +static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) { + register int i; + + LOAD_ZERO; + const vec_u8 permM2 = vec_lvsl(-2, src); + const vec_u8 permM1 = vec_lvsl(-1, src); + const vec_u8 permP0 = vec_lvsl(+0, src); + const vec_u8 permP1 = vec_lvsl(+1, src); + const vec_u8 permP2 = vec_lvsl(+2, src); + const vec_u8 permP3 = vec_lvsl(+3, src); + const vec_s16 v5ss = vec_splat_s16(5); + const vec_u16 v5us = vec_splat_u16(5); + const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); + const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4)); + + vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3; + + register int align = ((((unsigned long)src) - 2) % 16); + + vec_s16 srcP0A, srcP0B, srcP1A, srcP1B, + srcP2A, srcP2B, srcP3A, srcP3B, + srcM1A, srcM1B, srcM2A, srcM2B, + sum1A, sum1B, sum2A, sum2B, sum3A, sum3B, + pp1A, pp1B, pp2A, pp2B, pp3A, pp3B, + psumA, psumB, sumA, sumB; + + vec_u8 sum, fsum; + + for (i = 0 ; i < 16 ; i ++) { + vec_u8 srcR1 = vec_ld(-2, src); + vec_u8 srcR2 = vec_ld(14, src); + + switch (align) { + default: { + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = vec_perm(srcR1, srcR2, permP2); + srcP3 = vec_perm(srcR1, srcR2, permP3); + } break; + case 11: { + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = vec_perm(srcR1, srcR2, permP2); + srcP3 = srcR2; + } break; + case 12: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = srcR2; + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 13: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = srcR2; + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 14: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = srcR2; + srcP1 = vec_perm(srcR2, srcR3, permP1); + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 15: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = srcR2; + srcP0 = vec_perm(srcR2, srcR3, permP0); + srcP1 = vec_perm(srcR2, srcR3, permP1); + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + } + + srcP0A = (vec_s16) vec_mergeh(zero_u8v, srcP0); + srcP0B = (vec_s16) vec_mergel(zero_u8v, srcP0); + srcP1A = (vec_s16) vec_mergeh(zero_u8v, srcP1); + srcP1B = (vec_s16) vec_mergel(zero_u8v, srcP1); + + srcP2A = (vec_s16) vec_mergeh(zero_u8v, srcP2); + srcP2B = (vec_s16) vec_mergel(zero_u8v, srcP2); + srcP3A = (vec_s16) vec_mergeh(zero_u8v, srcP3); + srcP3B = (vec_s16) vec_mergel(zero_u8v, srcP3); + + srcM1A = (vec_s16) vec_mergeh(zero_u8v, srcM1); + srcM1B = (vec_s16) vec_mergel(zero_u8v, srcM1); + srcM2A = (vec_s16) vec_mergeh(zero_u8v, srcM2); + srcM2B = (vec_s16) vec_mergel(zero_u8v, srcM2); + + sum1A = vec_adds(srcP0A, srcP1A); + sum1B = vec_adds(srcP0B, srcP1B); + sum2A = vec_adds(srcM1A, srcP2A); + sum2B = vec_adds(srcM1B, srcP2B); + sum3A = vec_adds(srcM2A, srcP3A); + sum3B = vec_adds(srcM2B, srcP3B); + + pp1A = vec_mladd(sum1A, v20ss, v16ss); + pp1B = vec_mladd(sum1B, v20ss, v16ss); + + pp2A = vec_mladd(sum2A, v5ss, zero_s16v); + pp2B = vec_mladd(sum2B, v5ss, zero_s16v); + + pp3A = vec_add(sum3A, pp1A); + pp3B = vec_add(sum3B, pp1B); + + psumA = vec_sub(pp3A, pp2A); + psumB = vec_sub(pp3B, pp2B); + + sumA = vec_sra(psumA, v5us); + sumB = vec_sra(psumB, v5us); + + sum = vec_packsu(sumA, sumB); + + ASSERT_ALIGNED(dst); + + OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); + + vec_st(fsum, 0, dst); + + src += srcStride; + dst += dstStride; + } +} +#endif + +/* this code assume stride % 16 == 0 */ +#ifdef PREFIX_h264_qpel16_v_lowpass_altivec +static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) { + register int i; + + LOAD_ZERO; + const vec_u8 perm = vec_lvsl(0, src); + const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); + const vec_u16 v5us = vec_splat_u16(5); + const vec_s16 v5ss = vec_splat_s16(5); + const vec_s16 v16ss = vec_sl(vec_splat_s16(1),vec_splat_u16(4)); + + uint8_t *srcbis = src - (srcStride * 2); + + const vec_u8 srcM2a = vec_ld(0, srcbis); + const vec_u8 srcM2b = vec_ld(16, srcbis); + const vec_u8 srcM2 = vec_perm(srcM2a, srcM2b, perm); + //srcbis += srcStride; + const vec_u8 srcM1a = vec_ld(0, srcbis += srcStride); + const vec_u8 srcM1b = vec_ld(16, srcbis); + const vec_u8 srcM1 = vec_perm(srcM1a, srcM1b, perm); + //srcbis += srcStride; + const vec_u8 srcP0a = vec_ld(0, srcbis += srcStride); + const vec_u8 srcP0b = vec_ld(16, srcbis); + const vec_u8 srcP0 = vec_perm(srcP0a, srcP0b, perm); + //srcbis += srcStride; + const vec_u8 srcP1a = vec_ld(0, srcbis += srcStride); + const vec_u8 srcP1b = vec_ld(16, srcbis); + const vec_u8 srcP1 = vec_perm(srcP1a, srcP1b, perm); + //srcbis += srcStride; + const vec_u8 srcP2a = vec_ld(0, srcbis += srcStride); + const vec_u8 srcP2b = vec_ld(16, srcbis); + const vec_u8 srcP2 = vec_perm(srcP2a, srcP2b, perm); + //srcbis += srcStride; + + vec_s16 srcM2ssA = (vec_s16) vec_mergeh(zero_u8v, srcM2); + vec_s16 srcM2ssB = (vec_s16) vec_mergel(zero_u8v, srcM2); + vec_s16 srcM1ssA = (vec_s16) vec_mergeh(zero_u8v, srcM1); + vec_s16 srcM1ssB = (vec_s16) vec_mergel(zero_u8v, srcM1); + vec_s16 srcP0ssA = (vec_s16) vec_mergeh(zero_u8v, srcP0); + vec_s16 srcP0ssB = (vec_s16) vec_mergel(zero_u8v, srcP0); + vec_s16 srcP1ssA = (vec_s16) vec_mergeh(zero_u8v, srcP1); + vec_s16 srcP1ssB = (vec_s16) vec_mergel(zero_u8v, srcP1); + vec_s16 srcP2ssA = (vec_s16) vec_mergeh(zero_u8v, srcP2); + vec_s16 srcP2ssB = (vec_s16) vec_mergel(zero_u8v, srcP2); + + vec_s16 pp1A, pp1B, pp2A, pp2B, pp3A, pp3B, + psumA, psumB, sumA, sumB, + srcP3ssA, srcP3ssB, + sum1A, sum1B, sum2A, sum2B, sum3A, sum3B; + + vec_u8 sum, fsum, srcP3a, srcP3b, srcP3; + + for (i = 0 ; i < 16 ; i++) { + srcP3a = vec_ld(0, srcbis += srcStride); + srcP3b = vec_ld(16, srcbis); + srcP3 = vec_perm(srcP3a, srcP3b, perm); + srcP3ssA = (vec_s16) vec_mergeh(zero_u8v, srcP3); + srcP3ssB = (vec_s16) vec_mergel(zero_u8v, srcP3); + //srcbis += srcStride; + + sum1A = vec_adds(srcP0ssA, srcP1ssA); + sum1B = vec_adds(srcP0ssB, srcP1ssB); + sum2A = vec_adds(srcM1ssA, srcP2ssA); + sum2B = vec_adds(srcM1ssB, srcP2ssB); + sum3A = vec_adds(srcM2ssA, srcP3ssA); + sum3B = vec_adds(srcM2ssB, srcP3ssB); + + srcM2ssA = srcM1ssA; + srcM2ssB = srcM1ssB; + srcM1ssA = srcP0ssA; + srcM1ssB = srcP0ssB; + srcP0ssA = srcP1ssA; + srcP0ssB = srcP1ssB; + srcP1ssA = srcP2ssA; + srcP1ssB = srcP2ssB; + srcP2ssA = srcP3ssA; + srcP2ssB = srcP3ssB; + + pp1A = vec_mladd(sum1A, v20ss, v16ss); + pp1B = vec_mladd(sum1B, v20ss, v16ss); + + pp2A = vec_mladd(sum2A, v5ss, zero_s16v); + pp2B = vec_mladd(sum2B, v5ss, zero_s16v); + + pp3A = vec_add(sum3A, pp1A); + pp3B = vec_add(sum3B, pp1B); + + psumA = vec_sub(pp3A, pp2A); + psumB = vec_sub(pp3B, pp2B); + + sumA = vec_sra(psumA, v5us); + sumB = vec_sra(psumB, v5us); + + sum = vec_packsu(sumA, sumB); + + ASSERT_ALIGNED(dst); + + OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); + + vec_st(fsum, 0, dst); + + dst += dstStride; + } +} +#endif + +/* this code assume stride % 16 == 0 *and* tmp is properly aligned */ +#ifdef PREFIX_h264_qpel16_hv_lowpass_altivec +static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t * dst, int16_t * tmp, uint8_t * src, int dstStride, int tmpStride, int srcStride) { + register int i; + LOAD_ZERO; + const vec_u8 permM2 = vec_lvsl(-2, src); + const vec_u8 permM1 = vec_lvsl(-1, src); + const vec_u8 permP0 = vec_lvsl(+0, src); + const vec_u8 permP1 = vec_lvsl(+1, src); + const vec_u8 permP2 = vec_lvsl(+2, src); + const vec_u8 permP3 = vec_lvsl(+3, src); + const vec_s16 v20ss = vec_sl(vec_splat_s16(5),vec_splat_u16(2)); + const vec_u32 v10ui = vec_splat_u32(10); + const vec_s16 v5ss = vec_splat_s16(5); + const vec_s16 v1ss = vec_splat_s16(1); + const vec_s32 v512si = vec_sl(vec_splat_s32(1),vec_splat_u32(9)); + const vec_u32 v16ui = vec_sl(vec_splat_u32(1),vec_splat_u32(4)); + + register int align = ((((unsigned long)src) - 2) % 16); + + vec_s16 srcP0A, srcP0B, srcP1A, srcP1B, + srcP2A, srcP2B, srcP3A, srcP3B, + srcM1A, srcM1B, srcM2A, srcM2B, + sum1A, sum1B, sum2A, sum2B, sum3A, sum3B, + pp1A, pp1B, pp2A, pp2B, psumA, psumB; + + const vec_u8 mperm = (const vec_u8) + {0x00, 0x08, 0x01, 0x09, 0x02, 0x0A, 0x03, 0x0B, + 0x04, 0x0C, 0x05, 0x0D, 0x06, 0x0E, 0x07, 0x0F}; + int16_t *tmpbis = tmp; + + vec_s16 tmpM1ssA, tmpM1ssB, tmpM2ssA, tmpM2ssB, + tmpP0ssA, tmpP0ssB, tmpP1ssA, tmpP1ssB, + tmpP2ssA, tmpP2ssB; + + vec_s32 pp1Ae, pp1Ao, pp1Be, pp1Bo, pp2Ae, pp2Ao, pp2Be, pp2Bo, + pp3Ae, pp3Ao, pp3Be, pp3Bo, pp1cAe, pp1cAo, pp1cBe, pp1cBo, + pp32Ae, pp32Ao, pp32Be, pp32Bo, sumAe, sumAo, sumBe, sumBo, + ssumAe, ssumAo, ssumBe, ssumBo; + vec_u8 fsum, sumv, sum; + vec_s16 ssume, ssumo; + + src -= (2 * srcStride); + for (i = 0 ; i < 21 ; i ++) { + vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3; + vec_u8 srcR1 = vec_ld(-2, src); + vec_u8 srcR2 = vec_ld(14, src); + + switch (align) { + default: { + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = vec_perm(srcR1, srcR2, permP2); + srcP3 = vec_perm(srcR1, srcR2, permP3); + } break; + case 11: { + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = vec_perm(srcR1, srcR2, permP2); + srcP3 = srcR2; + } break; + case 12: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = vec_perm(srcR1, srcR2, permP1); + srcP2 = srcR2; + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 13: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = vec_perm(srcR1, srcR2, permP0); + srcP1 = srcR2; + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 14: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = vec_perm(srcR1, srcR2, permM1); + srcP0 = srcR2; + srcP1 = vec_perm(srcR2, srcR3, permP1); + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + case 15: { + vec_u8 srcR3 = vec_ld(30, src); + srcM2 = vec_perm(srcR1, srcR2, permM2); + srcM1 = srcR2; + srcP0 = vec_perm(srcR2, srcR3, permP0); + srcP1 = vec_perm(srcR2, srcR3, permP1); + srcP2 = vec_perm(srcR2, srcR3, permP2); + srcP3 = vec_perm(srcR2, srcR3, permP3); + } break; + } + + srcP0A = (vec_s16) vec_mergeh(zero_u8v, srcP0); + srcP0B = (vec_s16) vec_mergel(zero_u8v, srcP0); + srcP1A = (vec_s16) vec_mergeh(zero_u8v, srcP1); + srcP1B = (vec_s16) vec_mergel(zero_u8v, srcP1); + + srcP2A = (vec_s16) vec_mergeh(zero_u8v, srcP2); + srcP2B = (vec_s16) vec_mergel(zero_u8v, srcP2); + srcP3A = (vec_s16) vec_mergeh(zero_u8v, srcP3); + srcP3B = (vec_s16) vec_mergel(zero_u8v, srcP3); + + srcM1A = (vec_s16) vec_mergeh(zero_u8v, srcM1); + srcM1B = (vec_s16) vec_mergel(zero_u8v, srcM1); + srcM2A = (vec_s16) vec_mergeh(zero_u8v, srcM2); + srcM2B = (vec_s16) vec_mergel(zero_u8v, srcM2); + + sum1A = vec_adds(srcP0A, srcP1A); + sum1B = vec_adds(srcP0B, srcP1B); + sum2A = vec_adds(srcM1A, srcP2A); + sum2B = vec_adds(srcM1B, srcP2B); + sum3A = vec_adds(srcM2A, srcP3A); + sum3B = vec_adds(srcM2B, srcP3B); + + pp1A = vec_mladd(sum1A, v20ss, sum3A); + pp1B = vec_mladd(sum1B, v20ss, sum3B); + + pp2A = vec_mladd(sum2A, v5ss, zero_s16v); + pp2B = vec_mladd(sum2B, v5ss, zero_s16v); + + psumA = vec_sub(pp1A, pp2A); + psumB = vec_sub(pp1B, pp2B); + + vec_st(psumA, 0, tmp); + vec_st(psumB, 16, tmp); + + src += srcStride; + tmp += tmpStride; /* int16_t*, and stride is 16, so it's OK here */ + } + + tmpM2ssA = vec_ld(0, tmpbis); + tmpM2ssB = vec_ld(16, tmpbis); + tmpbis += tmpStride; + tmpM1ssA = vec_ld(0, tmpbis); + tmpM1ssB = vec_ld(16, tmpbis); + tmpbis += tmpStride; + tmpP0ssA = vec_ld(0, tmpbis); + tmpP0ssB = vec_ld(16, tmpbis); + tmpbis += tmpStride; + tmpP1ssA = vec_ld(0, tmpbis); + tmpP1ssB = vec_ld(16, tmpbis); + tmpbis += tmpStride; + tmpP2ssA = vec_ld(0, tmpbis); + tmpP2ssB = vec_ld(16, tmpbis); + tmpbis += tmpStride; + + for (i = 0 ; i < 16 ; i++) { + const vec_s16 tmpP3ssA = vec_ld(0, tmpbis); + const vec_s16 tmpP3ssB = vec_ld(16, tmpbis); + + const vec_s16 sum1A = vec_adds(tmpP0ssA, tmpP1ssA); + const vec_s16 sum1B = vec_adds(tmpP0ssB, tmpP1ssB); + const vec_s16 sum2A = vec_adds(tmpM1ssA, tmpP2ssA); + const vec_s16 sum2B = vec_adds(tmpM1ssB, tmpP2ssB); + const vec_s16 sum3A = vec_adds(tmpM2ssA, tmpP3ssA); + const vec_s16 sum3B = vec_adds(tmpM2ssB, tmpP3ssB); + + tmpbis += tmpStride; + + tmpM2ssA = tmpM1ssA; + tmpM2ssB = tmpM1ssB; + tmpM1ssA = tmpP0ssA; + tmpM1ssB = tmpP0ssB; + tmpP0ssA = tmpP1ssA; + tmpP0ssB = tmpP1ssB; + tmpP1ssA = tmpP2ssA; + tmpP1ssB = tmpP2ssB; + tmpP2ssA = tmpP3ssA; + tmpP2ssB = tmpP3ssB; + + pp1Ae = vec_mule(sum1A, v20ss); + pp1Ao = vec_mulo(sum1A, v20ss); + pp1Be = vec_mule(sum1B, v20ss); + pp1Bo = vec_mulo(sum1B, v20ss); + + pp2Ae = vec_mule(sum2A, v5ss); + pp2Ao = vec_mulo(sum2A, v5ss); + pp2Be = vec_mule(sum2B, v5ss); + pp2Bo = vec_mulo(sum2B, v5ss); + + pp3Ae = vec_sra((vec_s32)sum3A, v16ui); + pp3Ao = vec_mulo(sum3A, v1ss); + pp3Be = vec_sra((vec_s32)sum3B, v16ui); + pp3Bo = vec_mulo(sum3B, v1ss); + + pp1cAe = vec_add(pp1Ae, v512si); + pp1cAo = vec_add(pp1Ao, v512si); + pp1cBe = vec_add(pp1Be, v512si); + pp1cBo = vec_add(pp1Bo, v512si); + + pp32Ae = vec_sub(pp3Ae, pp2Ae); + pp32Ao = vec_sub(pp3Ao, pp2Ao); + pp32Be = vec_sub(pp3Be, pp2Be); + pp32Bo = vec_sub(pp3Bo, pp2Bo); + + sumAe = vec_add(pp1cAe, pp32Ae); + sumAo = vec_add(pp1cAo, pp32Ao); + sumBe = vec_add(pp1cBe, pp32Be); + sumBo = vec_add(pp1cBo, pp32Bo); + + ssumAe = vec_sra(sumAe, v10ui); + ssumAo = vec_sra(sumAo, v10ui); + ssumBe = vec_sra(sumBe, v10ui); + ssumBo = vec_sra(sumBo, v10ui); + + ssume = vec_packs(ssumAe, ssumBe); + ssumo = vec_packs(ssumAo, ssumBo); + + sumv = vec_packsu(ssume, ssumo); + sum = vec_perm(sumv, sumv, mperm); + + ASSERT_ALIGNED(dst); + + OP_U8_ALTIVEC(fsum, sum, vec_ld(0, dst)); + + vec_st(fsum, 0, dst); + + dst += dstStride; + } +} +#endif |