| /* |
| * Copyright (c) 2021, 2023 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. |
| */ |
| |
| #pragma once |
| |
| #ifdef __aarch64__ |
| |
| namespace { |
| |
| void a64_transpose_interleave_4_1x4(uint8_t *out, const uint8_t *in, size_t width, size_t in_stride, size_t height) |
| { |
| uint8_t *pad_row = reinterpret_cast<uint8_t *>(alloca(width * sizeof(uint8_t))); |
| |
| if (height % 4) { |
| memset(pad_row, 0, width * sizeof(uint8_t)); |
| } |
| |
| size_t out_stride = 4 * roundup<size_t>(height, 4) * sizeof(uint8_t); |
| |
| __asm__ __volatile__( |
| "cmp %x[height], #0x10\n" |
| "blt 8f\n" |
| "1:" // Main row loop: Head |
| "mov x17, %x[in]\n" |
| "add x16, x17, %x[in_stride]\n" |
| "add x15, x16, %x[in_stride]\n" |
| "add x14, x15, %x[in_stride]\n" |
| "add x13, x14, %x[in_stride]\n" |
| "add x12, x13, %x[in_stride]\n" |
| "add x11, x12, %x[in_stride]\n" |
| "add x10, x11, %x[in_stride]\n" |
| "add x9, x10, %x[in_stride]\n" |
| "add x28, x9, %x[in_stride]\n" |
| "add x27, x28, %x[in_stride]\n" |
| "add x26, x27, %x[in_stride]\n" |
| "add x25, x26, %x[in_stride]\n" |
| "mov x24, %x[width]\n" |
| "add x23, x25, %x[in_stride]\n" |
| "add x22, x23, %x[in_stride]\n" |
| "add x20, x22, %x[in_stride]\n" |
| "cmp x24, #0x10\n" |
| "add %x[in], x20, %x[in_stride]\n" |
| "mov x21, %x[out]\n" |
| "sub %x[height], %x[height], #0x10\n" |
| "blt 3f\n" |
| "2:" // Main row loop: Unroll column loop |
| "ldr q21, [x17], #0x10\n" |
| "ldr q20, [x16], #0x10\n" |
| "sub x24, x24, #0x10\n" |
| "cmp x24, #0x10\n" |
| "ldr q17, [x15], #0x10\n" |
| "ldr q16, [x14], #0x10\n" |
| "zip1 v3.16b, v21.16b, v17.16b\n" |
| "zip1 v2.16b, v20.16b, v16.16b\n" |
| "ldr q19, [x13], #0x10\n" |
| "ldr q18, [x12], #0x10\n" |
| "zip2 v1.16b, v21.16b, v17.16b\n" |
| "zip2 v0.16b, v20.16b, v16.16b\n" |
| "ldr q17, [x11], #0x10\n" |
| "ldr q16, [x10], #0x10\n" |
| "zip1 v31.16b, v19.16b, v17.16b\n" |
| "zip1 v30.16b, v18.16b, v16.16b\n" |
| "ldr q21, [x9], #0x10\n" |
| "ldr q20, [x28], #0x10\n" |
| "zip2 v29.16b, v19.16b, v17.16b\n" |
| "zip2 v28.16b, v18.16b, v16.16b\n" |
| "ldr q17, [x27], #0x10\n" |
| "ldr q16, [x26], #0x10\n" |
| "zip1 v23.16b, v21.16b, v17.16b\n" |
| "zip1 v22.16b, v20.16b, v16.16b\n" |
| "ldr q19, [x25], #0x10\n" |
| "ldr q18, [x23], #0x10\n" |
| "zip2 v27.16b, v21.16b, v17.16b\n" |
| "zip2 v26.16b, v20.16b, v16.16b\n" |
| "ldr q17, [x22], #0x10\n" |
| "ldr q16, [x20], #0x10\n" |
| "zip1 v21.16b, v19.16b, v17.16b\n" |
| "zip1 v20.16b, v18.16b, v16.16b\n" |
| "zip2 v25.16b, v19.16b, v17.16b\n" |
| "zip2 v24.16b, v18.16b, v16.16b\n" |
| "zip1 v16.16b, v3.16b, v2.16b\n" |
| "zip1 v18.16b, v31.16b, v30.16b\n" |
| "str q16, [x21, #0x0]\n" |
| "zip1 v17.16b, v23.16b, v22.16b\n" |
| "zip1 v16.16b, v21.16b, v20.16b\n" |
| "str q18, [x21, #0x10]\n" |
| "str q17, [x21, #0x20]\n" |
| "zip2 v19.16b, v3.16b, v2.16b\n" |
| "zip2 v18.16b, v31.16b, v30.16b\n" |
| "str q16, [x21, #0x30]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "zip2 v17.16b, v23.16b, v22.16b\n" |
| "zip2 v16.16b, v21.16b, v20.16b\n" |
| "str q19, [x21, #0x0]\n" |
| "zip1 v23.16b, v1.16b, v0.16b\n" |
| "zip1 v22.16b, v29.16b, v28.16b\n" |
| "str q18, [x21, #0x10]\n" |
| "zip1 v21.16b, v27.16b, v26.16b\n" |
| "zip1 v20.16b, v25.16b, v24.16b\n" |
| "str q17, [x21, #0x20]\n" |
| "zip2 v19.16b, v1.16b, v0.16b\n" |
| "zip2 v18.16b, v29.16b, v28.16b\n" |
| "str q16, [x21, #0x30]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "zip2 v17.16b, v27.16b, v26.16b\n" |
| "zip2 v16.16b, v25.16b, v24.16b\n" |
| "str q23, [x21, #0x0]\n" |
| "str q22, [x21, #0x10]\n" |
| "str q21, [x21, #0x20]\n" |
| "str q20, [x21, #0x30]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "str q19, [x21, #0x0]\n" |
| "str q18, [x21, #0x10]\n" |
| "str q17, [x21, #0x20]\n" |
| "str q16, [x21, #0x30]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "bge 2b\n" |
| "3:" // Main row loop: Unroll column loop skip |
| "cmp x24, #0x4\n" |
| "blt 5f\n" |
| "4:" // Main row loop: Column loop |
| "ldr s19, [x17], #0x4\n" |
| "ldr s18, [x16], #0x4\n" |
| "sub x24, x24, #0x4\n" |
| "cmp x24, #0x4\n" |
| "ldr s17, [x15], #0x4\n" |
| "ldr s16, [x14], #0x4\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr s19, [x13], #0x4\n" |
| "ldr s18, [x12], #0x4\n" |
| "zip1 v22.16b, v17.16b, v16.16b\n" |
| "ldr s17, [x11], #0x4\n" |
| "ldr s16, [x10], #0x4\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr s19, [x9], #0x4\n" |
| "ldr s18, [x28], #0x4\n" |
| "zip1 v21.16b, v17.16b, v16.16b\n" |
| "ldr s17, [x27], #0x4\n" |
| "ldr s16, [x26], #0x4\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr s20, [x25], #0x4\n" |
| "ldr s19, [x23], #0x4\n" |
| "zip1 v18.16b, v17.16b, v16.16b\n" |
| "ldr s17, [x22], #0x4\n" |
| "ldr s16, [x20], #0x4\n" |
| "zip1 v17.16b, v20.16b, v17.16b\n" |
| "zip1 v16.16b, v19.16b, v16.16b\n" |
| "zip1 v16.16b, v17.16b, v16.16b\n" |
| "str q22, [x21, #0x0]\n" |
| "str q21, [x21, #0x10]\n" |
| "str q18, [x21, #0x20]\n" |
| "str q16, [x21, #0x30]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "bge 4b\n" |
| "5:" // Main row loop: Column loop skip |
| "cmp x24, #0x1\n" |
| "blt 7f\n" |
| "6:" // Main row loop: width 1 loop: loop |
| "ldr b19, [x17], #0x1\n" |
| "ldr b18, [x16], #0x1\n" |
| "sub x24, x24, #0x1\n" |
| "cmp x24, #0x1\n" |
| "ldr b17, [x15], #0x1\n" |
| "ldr b16, [x14], #0x1\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr b19, [x13], #0x1\n" |
| "ldr b18, [x12], #0x1\n" |
| "zip1 v22.16b, v17.16b, v16.16b\n" |
| "ldr b17, [x11], #0x1\n" |
| "ldr b16, [x10], #0x1\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr b19, [x9], #0x1\n" |
| "ldr b18, [x28], #0x1\n" |
| "zip1 v21.16b, v17.16b, v16.16b\n" |
| "ldr b17, [x27], #0x1\n" |
| "ldr b16, [x26], #0x1\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "ldr b20, [x25], #0x1\n" |
| "ldr b19, [x23], #0x1\n" |
| "zip1 v18.16b, v17.16b, v16.16b\n" |
| "ldr b17, [x22], #0x1\n" |
| "ldr b16, [x20], #0x1\n" |
| "zip1 v17.16b, v20.16b, v17.16b\n" |
| "zip1 v16.16b, v19.16b, v16.16b\n" |
| "str s22, [x21, #0x0]\n" |
| "zip1 v16.16b, v17.16b, v16.16b\n" |
| "str s21, [x21, #0x10]\n" |
| "str s18, [x21, #0x20]\n" |
| "str s16, [x21, #0x30]\n" |
| "add x21, x21, #0x4\n" |
| "bge 6b\n" |
| "7:" // Main row loop: width 1 loop: skip |
| "cmp %x[height], #0x10\n" |
| "add %x[out], %x[out], #0x40\n" |
| "bge 1b\n" |
| "cbz %x[height], 16f\n" |
| "8:" // Main loop skip |
| "9:" // Tail row loop: Head |
| "mov x17, %x[in]\n" |
| "add x16, x17, %x[in_stride]\n" |
| "add x15, x16, %x[in_stride]\n" |
| "mov x20, %x[width]\n" |
| "add x14, x15, %x[in_stride]\n" |
| "cmp %x[height], #0x3\n" |
| "add %x[in], x14, %x[in_stride]\n" |
| "csel x14, x14, %x[pad_row], GT\n" |
| "csel x15, x15, %x[pad_row], GE\n" |
| "cmp %x[height], #0x1\n" |
| "csel x16, x16, %x[pad_row], GT\n" |
| "cmp x20, #0x10\n" |
| "mov x21, %x[out]\n" |
| "sub %x[height], %x[height], #0x4\n" |
| "blt 11f\n" |
| "10:" // Tail row loop: Unroll column loop |
| "ldr q19, [x17], #0x10\n" |
| "ldr q21, [x16], #0x10\n" |
| "sub x20, x20, #0x10\n" |
| "cmp x20, #0x10\n" |
| "ldr q18, [x15], #0x10\n" |
| "ldr q16, [x14], #0x10\n" |
| "zip1 v20.16b, v19.16b, v18.16b\n" |
| "zip1 v17.16b, v21.16b, v16.16b\n" |
| "zip2 v19.16b, v19.16b, v18.16b\n" |
| "zip2 v18.16b, v21.16b, v16.16b\n" |
| "zip1 v16.16b, v20.16b, v17.16b\n" |
| "str q16, [x21, #0x0]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "zip2 v16.16b, v20.16b, v17.16b\n" |
| "str q16, [x21, #0x0]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "zip1 v17.16b, v19.16b, v18.16b\n" |
| "zip2 v16.16b, v19.16b, v18.16b\n" |
| "str q17, [x21, #0x0]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "str q16, [x21, #0x0]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "bge 10b\n" |
| "11:" // Tail row loop: Unroll column loop skip |
| "cmp x20, #0x4\n" |
| "blt 13f\n" |
| "12:" // Tail row loop: Column loop |
| "ldr s19, [x17], #0x4\n" |
| "ldr s18, [x16], #0x4\n" |
| "sub x20, x20, #0x4\n" |
| "cmp x20, #0x4\n" |
| "ldr s17, [x15], #0x4\n" |
| "ldr s16, [x14], #0x4\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "zip1 v16.16b, v17.16b, v16.16b\n" |
| "str q16, [x21, #0x0]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "bge 12b\n" |
| "13:" // Tail row loop: Column loop skip |
| "cmp x20, #0x1\n" |
| "blt 15f\n" |
| "14:" // Tail row loop: width 1 loop: loop |
| "ldr b19, [x17], #0x1\n" |
| "ldr b18, [x16], #0x1\n" |
| "sub x20, x20, #0x1\n" |
| "cmp x20, #0x1\n" |
| "ldr b17, [x15], #0x1\n" |
| "ldr b16, [x14], #0x1\n" |
| "zip1 v17.16b, v19.16b, v17.16b\n" |
| "zip1 v16.16b, v18.16b, v16.16b\n" |
| "zip1 v16.16b, v17.16b, v16.16b\n" |
| "str s16, [x21, #0x0]\n" |
| "add x21, x21, #0x4\n" |
| "bge 14b\n" |
| "15:" // Tail row loop: width 1 loop: skip |
| "cmp %x[height], #0x1\n" |
| "add %x[out], %x[out], #0x10\n" |
| "bge 9b\n" |
| "16:" // Done |
| : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out) |
| : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [pad_row] "r" (pad_row), [width] "r" (width) |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28" |
| ); |
| } |
| |
| } // anonymous namespace |
| |
| template<> |
| void Transform<4, 4, true, VLType::None>( |
| uint8_t *out, const uint8_t *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| a64_transpose_interleave_4_1x4( |
| reinterpret_cast<uint8_t *>(out), |
| reinterpret_cast<const uint8_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(uint8_t) / 1, |
| stride * sizeof(uint8_t), |
| (kmax-k0) |
| ); |
| } |
| |
| template<> |
| void Transform<4, 4, true, VLType::None>( |
| int8_t *out, const int8_t *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| a64_transpose_interleave_4_1x4( |
| reinterpret_cast<uint8_t *>(out), |
| reinterpret_cast<const uint8_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(int8_t) / 1, |
| stride * sizeof(int8_t), |
| (kmax-k0) |
| ); |
| } |
| |
| #endif |