| /* |
| * Copyright (c) 2019-2021, 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. |
| */ |
| |
| #ifdef __aarch64__ |
| |
| template<> |
| void interleave_block<4, 16, VLType::None, true>( |
| uint8_t * &out_ptr, const uint8_t * const * in, size_t width, size_t height, |
| size_t row_offset, bool first |
| ) |
| { |
| __asm__ __volatile__( |
| "ldr x24, [%x[in], #0x0]\n" |
| "ldr x23, [%x[in], #0x8]\n" |
| "cmp %x[height], #0x4\n" |
| "mov x22, #0x0\n" |
| "ldr x21, [%x[in], #0x10]\n" |
| "ldr x20, [%x[in], #0x18]\n" |
| "movi v28.8h, #0x0\n" |
| "movi v27.8h, #0x0\n" |
| "movi v26.8h, #0x0\n" |
| "movi v25.8h, #0x0\n" |
| "add x24, x24, %x[row_offset]\n" |
| "add x23, x23, %x[row_offset]\n" |
| "movi v24.4s, #0x0\n" |
| "movi v23.4s, #0x0\n" |
| "add x21, x21, %x[row_offset]\n" |
| "add x20, x20, %x[row_offset]\n" |
| "movi v22.4s, #0x0\n" |
| "movi v21.4s, #0x0\n" |
| "beq 1f\n" |
| "cmp %x[height], #0x2\n" |
| "mov x20, x24\n" |
| "csel x23, x23, x24, GE\n" |
| "csel x21, x21, x24, GT\n" |
| "1:" // no_pointer_adj |
| "prfm pldl1keep, [x24, #0x0]\n" |
| "prfm pldl1keep, [x23, #0x0]\n" |
| "movi v20.4s, #0x0\n" |
| "prfm pldl1keep, [x21, #0x0]\n" |
| "prfm pldl1keep, [x20, #0x0]\n" |
| "prfm pldl1keep, [x24, #0x40]\n" |
| "prfm pldl1keep, [x23, #0x40]\n" |
| "prfm pldl1keep, [x21, #0x40]\n" |
| "prfm pldl1keep, [x20, #0x40]\n" |
| "cbnz %w[first], 2f\n" |
| "sub %x[out_ptr], %x[out_ptr], #0x10\n" |
| "ld1 { v20.4s }, [%x[out_ptr]]\n" |
| "2:" // first_pass |
| "cmp %x[width], #0x10\n" |
| "blt 5f\n" |
| "3:" // Main loop head |
| "cmp x22, #0x7e\n" |
| "ble 4f\n" |
| "uadalp v24.4s, v28.8h\n" |
| "movi v28.8h, #0x0\n" |
| "mov x22, #0x0\n" |
| "uadalp v23.4s, v27.8h\n" |
| "movi v27.8h, #0x0\n" |
| "uadalp v22.4s, v26.8h\n" |
| "movi v26.8h, #0x0\n" |
| "uadalp v21.4s, v25.8h\n" |
| "movi v25.8h, #0x0\n" |
| "4:" // no_accumulate_16 |
| "ldr q19, [x24], #0x10\n" |
| "ldr q18, [x23], #0x10\n" |
| "subs %x[width], %x[width], #0x10\n" |
| "cmp %x[width], #0x10\n" |
| "ldr q17, [x21], #0x10\n" |
| "ldr q16, [x20], #0x10\n" |
| "str q19, [%x[out_ptr], #0x0]\n" |
| "uadalp v28.8h, v19.16b\n" |
| "prfm pldl1keep, [x24, #0x70]\n" |
| "prfm pldl1keep, [x23, #0x70]\n" |
| "str q18, [%x[out_ptr], #0x10]\n" |
| "uadalp v27.8h, v18.16b\n" |
| "prfm pldl1keep, [x21, #0x70]\n" |
| "prfm pldl1keep, [x20, #0x70]\n" |
| "str q17, [%x[out_ptr], #0x20]\n" |
| "uadalp v26.8h, v17.16b\n" |
| "str q16, [%x[out_ptr], #0x30]\n" |
| "uadalp v25.8h, v16.16b\n" |
| "add x22, x22, #0x1\n" |
| "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| "bge 3b\n" |
| "5:" // Main loop skip |
| "cbz %x[width], 14f\n" |
| "tbz %x[width], #3, 9f\n" |
| "ldr d19, [x24], #0x8\n" |
| "ldr d18, [x23], #0x8\n" |
| "ldr d17, [x21], #0x8\n" |
| "ldr d16, [x20], #0x8\n" |
| "tbz %x[width], #2, 7f\n" |
| "ld1 { v19.s }[2], [x24], #0x4\n" |
| "ld1 { v18.s }[2], [x23], #0x4\n" |
| "ld1 { v17.s }[2], [x21], #0x4\n" |
| "ld1 { v16.s }[2], [x20], #0x4\n" |
| "tbz %x[width], #1, 6f\n" |
| "ld1 { v19.h }[6], [x24], #0x2\n" |
| "ld1 { v18.h }[6], [x23], #0x2\n" |
| "ld1 { v17.h }[6], [x21], #0x2\n" |
| "ld1 { v16.h }[6], [x20], #0x2\n" |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[14], [x24]\n" |
| "ld1 { v18.b }[14], [x23]\n" |
| "ld1 { v17.b }[14], [x21]\n" |
| "ld1 { v16.b }[14], [x20]\n" |
| "b 13f\n" |
| "6:" // odd_loads_1_12 |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[12], [x24]\n" |
| "ld1 { v18.b }[12], [x23]\n" |
| "ld1 { v17.b }[12], [x21]\n" |
| "ld1 { v16.b }[12], [x20]\n" |
| "b 13f\n" |
| "7:" // odd_loads_2_8 |
| "tbz %x[width], #1, 8f\n" |
| "ld1 { v19.h }[4], [x24], #0x2\n" |
| "ld1 { v18.h }[4], [x23], #0x2\n" |
| "ld1 { v17.h }[4], [x21], #0x2\n" |
| "ld1 { v16.h }[4], [x20], #0x2\n" |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[10], [x24]\n" |
| "ld1 { v18.b }[10], [x23]\n" |
| "ld1 { v17.b }[10], [x21]\n" |
| "ld1 { v16.b }[10], [x20]\n" |
| "b 13f\n" |
| "8:" // odd_loads_1_8 |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[8], [x24]\n" |
| "ld1 { v18.b }[8], [x23]\n" |
| "ld1 { v17.b }[8], [x21]\n" |
| "ld1 { v16.b }[8], [x20]\n" |
| "b 13f\n" |
| "9:" // odd_loads_4_0 |
| "tbz %x[width], #2, 11f\n" |
| "ldr s19, [x24], #0x4\n" |
| "ldr s18, [x23], #0x4\n" |
| "ldr s17, [x21], #0x4\n" |
| "ldr s16, [x20], #0x4\n" |
| "tbz %x[width], #1, 10f\n" |
| "ld1 { v19.h }[2], [x24], #0x2\n" |
| "ld1 { v18.h }[2], [x23], #0x2\n" |
| "ld1 { v17.h }[2], [x21], #0x2\n" |
| "ld1 { v16.h }[2], [x20], #0x2\n" |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[6], [x24]\n" |
| "ld1 { v18.b }[6], [x23]\n" |
| "ld1 { v17.b }[6], [x21]\n" |
| "ld1 { v16.b }[6], [x20]\n" |
| "b 13f\n" |
| "10:" // odd_loads_1_4 |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[4], [x24]\n" |
| "ld1 { v18.b }[4], [x23]\n" |
| "ld1 { v17.b }[4], [x21]\n" |
| "ld1 { v16.b }[4], [x20]\n" |
| "b 13f\n" |
| "11:" // odd_loads_2_0 |
| "tbz %x[width], #1, 12f\n" |
| "ldr h19, [x24], #0x2\n" |
| "ldr h18, [x23], #0x2\n" |
| "ldr h17, [x21], #0x2\n" |
| "ldr h16, [x20], #0x2\n" |
| "tbz %x[width], #0, 13f\n" |
| "ld1 { v19.b }[2], [x24]\n" |
| "ld1 { v18.b }[2], [x23]\n" |
| "ld1 { v17.b }[2], [x21]\n" |
| "ld1 { v16.b }[2], [x20]\n" |
| "b 13f\n" |
| "12:" // odd_loads_1_0 |
| "ldr b19, [x24, #0x0]\n" |
| "ldr b18, [x23, #0x0]\n" |
| "ldr b17, [x21, #0x0]\n" |
| "ldr b16, [x20, #0x0]\n" |
| "13:" // Odd load end |
| "str q19, [%x[out_ptr], #0x0]\n" |
| "uadalp v28.8h, v19.16b\n" |
| "uadalp v27.8h, v18.16b\n" |
| "str q18, [%x[out_ptr], #0x10]\n" |
| "uadalp v26.8h, v17.16b\n" |
| "uadalp v25.8h, v16.16b\n" |
| "str q17, [%x[out_ptr], #0x20]\n" |
| "str q16, [%x[out_ptr], #0x30]\n" |
| "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| "14:" // Odds skip |
| "uadalp v24.4s, v28.8h\n" |
| "uadalp v23.4s, v27.8h\n" |
| "uadalp v22.4s, v26.8h\n" |
| "uadalp v21.4s, v25.8h\n" |
| "addp v24.4s, v24.4s, v23.4s\n" |
| "addp v23.4s, v22.4s, v21.4s\n" |
| "addp v24.4s, v24.4s, v23.4s\n" |
| "add v24.4s, v24.4s, v20.4s\n" |
| "str q24, [%x[out_ptr], #0x0]\n" |
| "add %x[out_ptr], %x[out_ptr], #0x10\n" |
| : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width) |
| : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset) |
| : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "x20", "x21", "x22", "x23", "x24" |
| ); |
| } |
| |
| |
| #endif // __aarch64__ |