| /* |
| * Copyright (c) 2020-2021 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| namespace arm_compute |
| { |
| #if defined(ARM_COMPUTE_ENABLE_SVE2) |
| inline svuint8_t svmla_qasymm8_z(svbool_t pg, svuint8_t vd, svfloat32_t vs, svfloat32_t vo) |
| { |
| // Convert uint8 vectors to uint16 vectors |
| auto vd_low_u16 = svmovlb_u16(vd); |
| auto vd_high_u16 = svmovlt_u16(vd); |
| |
| // Convert uint16 vectors to uint32 vectors |
| auto A_u32 = svmovlb_u32(vd_low_u16); |
| auto B_u32 = svmovlt_u32(vd_low_u16); |
| auto C_u32 = svmovlb_u32(vd_high_u16); |
| auto D_u32 = svmovlt_u32(vd_high_u16); |
| |
| // Convert uint32 vectors to float32 vectors |
| auto A_f32 = svcvt_f32_u32_z(pg, A_u32); |
| auto B_f32 = svcvt_f32_u32_z(pg, B_u32); |
| auto C_f32 = svcvt_f32_u32_z(pg, C_u32); |
| auto D_f32 = svcvt_f32_u32_z(pg, D_u32); |
| |
| // vd = vd*vs + vo |
| A_f32 = svmla_f32_z(pg, vo, A_f32, vs); |
| B_f32 = svmla_f32_z(pg, vo, B_f32, vs); |
| C_f32 = svmla_f32_z(pg, vo, C_f32, vs); |
| D_f32 = svmla_f32_z(pg, vo, D_f32, vs); |
| |
| // Convert float32 vectors to uint32 vectors |
| A_u32 = svcvt_u32_f32_z(pg, A_f32); |
| B_u32 = svcvt_u32_f32_z(pg, B_f32); |
| C_u32 = svcvt_u32_f32_z(pg, C_f32); |
| D_u32 = svcvt_u32_f32_z(pg, D_f32); |
| |
| // Convert uint32 vectors to uint16 vectors (with saturation) |
| vd_low_u16 = svqxtnt_u32(svqxtnb_u32(A_u32), B_u32); |
| vd_high_u16 = svqxtnt_u32(svqxtnb_u32(C_u32), D_u32); |
| |
| // convert uint16 vectors to uint8 vectors (with saturation) |
| const auto res = svqxtnt_u16(svqxtnb_u16(vd_low_u16), vd_high_u16); |
| return res; |
| } |
| |
| inline svint8_t svmla_qasymm8_signed_z(svbool_t pg, svint8_t vd, svfloat32_t vs, svfloat32_t vo) |
| { |
| // Convert uint8 vectors to int16 vectors |
| auto vd_low_s16 = svmovlb_s16(vd); |
| auto vd_high_s16 = svmovlt_s16(vd); |
| |
| // Convert int16 vectors to int32 vectors |
| auto A_s32 = svmovlb_s32(vd_low_s16); |
| auto B_s32 = svmovlt_s32(vd_low_s16); |
| auto C_s32 = svmovlb_s32(vd_high_s16); |
| auto D_s32 = svmovlt_s32(vd_high_s16); |
| |
| // Convert int32 vectors to float32 vectors |
| auto A_f32 = svcvt_f32_s32_z(pg, A_s32); |
| auto B_f32 = svcvt_f32_s32_z(pg, B_s32); |
| auto C_f32 = svcvt_f32_s32_z(pg, C_s32); |
| auto D_f32 = svcvt_f32_s32_z(pg, D_s32); |
| |
| // vd = vd*vs + vo |
| A_f32 = svmla_f32_z(pg, vo, A_f32, vs); |
| B_f32 = svmla_f32_z(pg, vo, B_f32, vs); |
| C_f32 = svmla_f32_z(pg, vo, C_f32, vs); |
| D_f32 = svmla_f32_z(pg, vo, D_f32, vs); |
| |
| // Convert float32 vectors to int32 vectors |
| A_s32 = svcvt_s32_f32_z(pg, A_f32); |
| B_s32 = svcvt_s32_f32_z(pg, B_f32); |
| C_s32 = svcvt_s32_f32_z(pg, C_f32); |
| D_s32 = svcvt_s32_f32_z(pg, D_f32); |
| |
| // Convert uint32 vectors to uint16 vectors (with saturation) |
| vd_low_s16 = svqxtnt_s32(svqxtnb_s32(A_s32), B_s32); |
| vd_high_s16 = svqxtnt_s32(svqxtnb_s32(C_s32), D_s32); |
| |
| // convert uint16 vectors to uint8 vectors (with saturation) |
| const auto res = svqxtnt_s16(svqxtnb_s16(vd_low_s16), vd_high_s16); |
| return res; |
| } |
| #endif /* (ARM_COMPUTE_ENABLE_SVE2) */ |
| } // namespace arm_compute |