| /*! |
| ********************************************************************************** |
| * Copyright (c) 2022 Loongson Technology Corporation Limited |
| * Contributed by Lu Wang <wanglu@loongson.cn> |
| * |
| * \copy |
| * Copyright (c) 2009-2013, Cisco Systems |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| * |
| * \file intra_pred_com_lsx.c |
| * |
| * \brief Loongson optimization |
| * |
| * \date 03/03/2022 Created |
| * |
| ************************************************************************************* |
| */ |
| #include <stdint.h> |
| #include "loongson_intrinsics.h" |
| |
| void WelsI16x16LumaPredV_lsx (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) { |
| const int8_t* kpSrc = (int8_t*)&pRef[-kiStride]; |
| const uint64_t kuiT1 = *(uint64_t*)kpSrc; |
| const uint64_t kuiT2 = *(uint64_t*)(kpSrc + 8); |
| uint8_t* pDst = pPred; |
| __m128i kuiT_vec, kuiT1_vec, kuiT2_vec; |
| |
| kuiT1_vec = __lsx_vreplgr2vr_d(kuiT1); |
| kuiT2_vec = __lsx_vreplgr2vr_d(kuiT2); |
| kuiT_vec = __lsx_vpackev_d(kuiT2_vec, kuiT1_vec); |
| |
| __lsx_vst(kuiT_vec, pDst, 0); |
| __lsx_vstx(kuiT_vec, pDst, 16); |
| __lsx_vstx(kuiT_vec, pDst, 32); |
| __lsx_vstx(kuiT_vec, pDst, 48); |
| __lsx_vstx(kuiT_vec, pDst, 64); |
| __lsx_vstx(kuiT_vec, pDst, 80); |
| __lsx_vstx(kuiT_vec, pDst, 96); |
| __lsx_vstx(kuiT_vec, pDst, 112); |
| __lsx_vstx(kuiT_vec, pDst, 128); |
| __lsx_vstx(kuiT_vec, pDst, 144); |
| __lsx_vstx(kuiT_vec, pDst, 160); |
| __lsx_vstx(kuiT_vec, pDst, 176); |
| __lsx_vstx(kuiT_vec, pDst, 192); |
| __lsx_vstx(kuiT_vec, pDst, 208); |
| __lsx_vstx(kuiT_vec, pDst, 224); |
| __lsx_vstx(kuiT_vec, pDst, 240); |
| } |
| |
| void WelsI16x16LumaPredH_lsx (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) { |
| int32_t iStridex15 = (kiStride << 4) - kiStride; |
| int32_t iPredStride = 16; |
| int32_t iPredStridex15 = 240; //(iPredStride<<4)-iPredStride; |
| uint8_t i = 15; |
| __m128i kuiV64_vec; |
| |
| do { |
| const uint8_t kuiSrc8 = pRef[iStridex15 - 1]; |
| kuiV64_vec = __lsx_vreplgr2vr_b(kuiSrc8); |
| __lsx_vstx(kuiV64_vec, pPred, iPredStridex15); |
| |
| iStridex15 -= kiStride; |
| iPredStridex15 -= iPredStride; |
| } while (i-- > 0); |
| } |