Michalis Spyrou | aa51a5b | 2020-11-22 00:49:42 +0000 | [diff] [blame] | 1 | /* |
Michalis Spyrou | 20fca52 | 2021-06-07 14:23:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2020-2021 Arm Limited. |
Michalis Spyrou | aa51a5b | 2020-11-22 00:49:42 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | namespace arm_compute |
| 25 | { |
Michalis Spyrou | 20fca52 | 2021-06-07 14:23:57 +0100 | [diff] [blame] | 26 | #if defined(ARM_COMPUTE_ENABLE_SVE2) |
Michalis Spyrou | aa51a5b | 2020-11-22 00:49:42 +0000 | [diff] [blame] | 27 | inline svuint8_t svmla_qasymm8_z(svbool_t pg, svuint8_t vd, svfloat32_t vs, svfloat32_t vo) |
| 28 | { |
| 29 | // Convert uint8 vectors to uint16 vectors |
| 30 | auto vd_low_u16 = svmovlb_u16(vd); |
| 31 | auto vd_high_u16 = svmovlt_u16(vd); |
| 32 | |
| 33 | // Convert uint16 vectors to uint32 vectors |
| 34 | auto A_u32 = svmovlb_u32(vd_low_u16); |
| 35 | auto B_u32 = svmovlt_u32(vd_low_u16); |
| 36 | auto C_u32 = svmovlb_u32(vd_high_u16); |
| 37 | auto D_u32 = svmovlt_u32(vd_high_u16); |
| 38 | |
| 39 | // Convert uint32 vectors to float32 vectors |
| 40 | auto A_f32 = svcvt_f32_u32_z(pg, A_u32); |
| 41 | auto B_f32 = svcvt_f32_u32_z(pg, B_u32); |
| 42 | auto C_f32 = svcvt_f32_u32_z(pg, C_u32); |
| 43 | auto D_f32 = svcvt_f32_u32_z(pg, D_u32); |
| 44 | |
| 45 | // vd = vd*vs + vo |
| 46 | A_f32 = svmla_f32_z(pg, vo, A_f32, vs); |
| 47 | B_f32 = svmla_f32_z(pg, vo, B_f32, vs); |
| 48 | C_f32 = svmla_f32_z(pg, vo, C_f32, vs); |
| 49 | D_f32 = svmla_f32_z(pg, vo, D_f32, vs); |
| 50 | |
| 51 | // Convert float32 vectors to uint32 vectors |
| 52 | A_u32 = svcvt_u32_f32_z(pg, A_f32); |
| 53 | B_u32 = svcvt_u32_f32_z(pg, B_f32); |
| 54 | C_u32 = svcvt_u32_f32_z(pg, C_f32); |
| 55 | D_u32 = svcvt_u32_f32_z(pg, D_f32); |
| 56 | |
| 57 | // Convert uint32 vectors to uint16 vectors (with saturation) |
| 58 | vd_low_u16 = svqxtnt_u32(svqxtnb_u32(A_u32), B_u32); |
| 59 | vd_high_u16 = svqxtnt_u32(svqxtnb_u32(C_u32), D_u32); |
| 60 | |
| 61 | // convert uint16 vectors to uint8 vectors (with saturation) |
| 62 | const auto res = svqxtnt_u16(svqxtnb_u16(vd_low_u16), vd_high_u16); |
| 63 | return res; |
| 64 | } |
| 65 | |
| 66 | inline svint8_t svmla_qasymm8_signed_z(svbool_t pg, svint8_t vd, svfloat32_t vs, svfloat32_t vo) |
| 67 | { |
| 68 | // Convert uint8 vectors to int16 vectors |
| 69 | auto vd_low_s16 = svmovlb_s16(vd); |
| 70 | auto vd_high_s16 = svmovlt_s16(vd); |
| 71 | |
| 72 | // Convert int16 vectors to int32 vectors |
| 73 | auto A_s32 = svmovlb_s32(vd_low_s16); |
| 74 | auto B_s32 = svmovlt_s32(vd_low_s16); |
| 75 | auto C_s32 = svmovlb_s32(vd_high_s16); |
| 76 | auto D_s32 = svmovlt_s32(vd_high_s16); |
| 77 | |
| 78 | // Convert int32 vectors to float32 vectors |
| 79 | auto A_f32 = svcvt_f32_s32_z(pg, A_s32); |
| 80 | auto B_f32 = svcvt_f32_s32_z(pg, B_s32); |
| 81 | auto C_f32 = svcvt_f32_s32_z(pg, C_s32); |
| 82 | auto D_f32 = svcvt_f32_s32_z(pg, D_s32); |
| 83 | |
| 84 | // vd = vd*vs + vo |
| 85 | A_f32 = svmla_f32_z(pg, vo, A_f32, vs); |
| 86 | B_f32 = svmla_f32_z(pg, vo, B_f32, vs); |
| 87 | C_f32 = svmla_f32_z(pg, vo, C_f32, vs); |
| 88 | D_f32 = svmla_f32_z(pg, vo, D_f32, vs); |
| 89 | |
| 90 | // Convert float32 vectors to int32 vectors |
| 91 | A_s32 = svcvt_s32_f32_z(pg, A_f32); |
| 92 | B_s32 = svcvt_s32_f32_z(pg, B_f32); |
| 93 | C_s32 = svcvt_s32_f32_z(pg, C_f32); |
| 94 | D_s32 = svcvt_s32_f32_z(pg, D_f32); |
| 95 | |
| 96 | // Convert uint32 vectors to uint16 vectors (with saturation) |
| 97 | vd_low_s16 = svqxtnt_s32(svqxtnb_s32(A_s32), B_s32); |
| 98 | vd_high_s16 = svqxtnt_s32(svqxtnb_s32(C_s32), D_s32); |
| 99 | |
| 100 | // convert uint16 vectors to uint8 vectors (with saturation) |
| 101 | const auto res = svqxtnt_s16(svqxtnb_s16(vd_low_s16), vd_high_s16); |
| 102 | return res; |
| 103 | } |
Michalis Spyrou | 20fca52 | 2021-06-07 14:23:57 +0100 | [diff] [blame] | 104 | #endif /* (ARM_COMPUTE_ENABLE_SVE2) */ |
Michalis Spyrou | aa51a5b | 2020-11-22 00:49:42 +0000 | [diff] [blame] | 105 | } // namespace arm_compute |