| /* |
| * Copyright (c) 2022-2023 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. |
| */ |
| |
| #include "src/cpu/kernels/lut/list.h" |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| |
| #ifdef __aarch64__ |
| |
| void lut_u8_neon( |
| const uint8_t *table, |
| size_t num_strings, |
| size_t string_length, |
| const uint8_t *const *input, |
| uint8_t *const *output) |
| { |
| __asm__ __volatile__( |
| "ldr q16, [%x[table], #0x0]\n" |
| "ldr q17, [%x[table], #0x10]\n" |
| "mov x23, #0x0\n" |
| "ldr q18, [%x[table], #0x20]\n" |
| "ldr q19, [%x[table], #0x30]\n" |
| "ldr q20, [%x[table], #0x40]\n" |
| "ldr q21, [%x[table], #0x50]\n" |
| "ldr q22, [%x[table], #0x60]\n" |
| "ldr q23, [%x[table], #0x70]\n" |
| "ldr q24, [%x[table], #0x80]\n" |
| "ldr q25, [%x[table], #0x90]\n" |
| "ldr q26, [%x[table], #0xa0]\n" |
| "ldr q27, [%x[table], #0xb0]\n" |
| "ldr q28, [%x[table], #0xc0]\n" |
| "ldr q29, [%x[table], #0xd0]\n" |
| "ldr q30, [%x[table], #0xe0]\n" |
| "ldr q31, [%x[table], #0xf0]\n" |
| "1:" // string loop |
| "ldr x22, [%x[input], x23, LSL #0x3]\n" |
| "ldr x21, [%x[output], x23, LSL #0x3]\n" |
| "movi v11.16b, #0x40\n" |
| "movi v10.16b, #0x80\n" |
| "movi v9.16b, #0xc0\n" |
| "mov x20, %x[string_length]\n" |
| "2:" // 4 rounds: width loop |
| "cmp x20, #0x30\n" |
| "bge 27f\n" |
| "tbz x20, #5, 10f\n" |
| "ld1 { v8.16b }, [x22], #0x10\n" |
| "ld1 { v13.16b }, [x22], #0x10\n" |
| "tbz x20, #3, 6f\n" |
| "ldr d12, [x22], #0x8\n" |
| "tbz x20, #2, 4f\n" |
| "ld1 { v12.s }[2], [x22], #0x4\n" |
| "tbz x20, #1, 3f\n" |
| "ld1 { v12.h }[6], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[14], [x22]\n" |
| "b 26f\n" |
| "3:" // 4 rounds: Partial load: partial_1_44 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[12], [x22]\n" |
| "b 26f\n" |
| "4:" // 4 rounds: Partial load: partial_2_40 |
| "tbz x20, #1, 5f\n" |
| "ld1 { v12.h }[4], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[10], [x22]\n" |
| "b 26f\n" |
| "5:" // 4 rounds: Partial load: partial_1_40 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[8], [x22]\n" |
| "b 26f\n" |
| "6:" // 4 rounds: Partial load: partial_4_32 |
| "tbz x20, #2, 8f\n" |
| "ldr s12, [x22], #0x4\n" |
| "tbz x20, #1, 7f\n" |
| "ld1 { v12.h }[2], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[6], [x22]\n" |
| "b 26f\n" |
| "7:" // 4 rounds: Partial load: partial_1_36 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[4], [x22]\n" |
| "b 26f\n" |
| "8:" // 4 rounds: Partial load: partial_2_32 |
| "tbz x20, #1, 9f\n" |
| "ldr h12, [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v12.b }[2], [x22]\n" |
| "b 26f\n" |
| "9:" // 4 rounds: Partial load: partial_1_32 |
| "tbz x20, #0, 26f\n" |
| "ldr b12, [x22, #0x0]\n" |
| "b 26f\n" |
| "10:" // 4 rounds: Partial load: partial_16_0 |
| "tbz x20, #4, 18f\n" |
| "ld1 { v8.16b }, [x22], #0x10\n" |
| "tbz x20, #3, 14f\n" |
| "ldr d13, [x22], #0x8\n" |
| "tbz x20, #2, 12f\n" |
| "ld1 { v13.s }[2], [x22], #0x4\n" |
| "tbz x20, #1, 11f\n" |
| "ld1 { v13.h }[6], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[14], [x22]\n" |
| "b 26f\n" |
| "11:" // 4 rounds: Partial load: partial_1_28 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[12], [x22]\n" |
| "b 26f\n" |
| "12:" // 4 rounds: Partial load: partial_2_24 |
| "tbz x20, #1, 13f\n" |
| "ld1 { v13.h }[4], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[10], [x22]\n" |
| "b 26f\n" |
| "13:" // 4 rounds: Partial load: partial_1_24 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[8], [x22]\n" |
| "b 26f\n" |
| "14:" // 4 rounds: Partial load: partial_4_16 |
| "tbz x20, #2, 16f\n" |
| "ldr s13, [x22], #0x4\n" |
| "tbz x20, #1, 15f\n" |
| "ld1 { v13.h }[2], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[6], [x22]\n" |
| "b 26f\n" |
| "15:" // 4 rounds: Partial load: partial_1_20 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[4], [x22]\n" |
| "b 26f\n" |
| "16:" // 4 rounds: Partial load: partial_2_16 |
| "tbz x20, #1, 17f\n" |
| "ldr h13, [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v13.b }[2], [x22]\n" |
| "b 26f\n" |
| "17:" // 4 rounds: Partial load: partial_1_16 |
| "tbz x20, #0, 26f\n" |
| "ldr b13, [x22, #0x0]\n" |
| "b 26f\n" |
| "18:" // 4 rounds: Partial load: partial_8_0 |
| "tbz x20, #3, 22f\n" |
| "ldr d8, [x22], #0x8\n" |
| "tbz x20, #2, 20f\n" |
| "ld1 { v8.s }[2], [x22], #0x4\n" |
| "tbz x20, #1, 19f\n" |
| "ld1 { v8.h }[6], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[14], [x22]\n" |
| "b 26f\n" |
| "19:" // 4 rounds: Partial load: partial_1_12 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[12], [x22]\n" |
| "b 26f\n" |
| "20:" // 4 rounds: Partial load: partial_2_8 |
| "tbz x20, #1, 21f\n" |
| "ld1 { v8.h }[4], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[10], [x22]\n" |
| "b 26f\n" |
| "21:" // 4 rounds: Partial load: partial_1_8 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[8], [x22]\n" |
| "b 26f\n" |
| "22:" // 4 rounds: Partial load: partial_4_0 |
| "tbz x20, #2, 24f\n" |
| "ldr s8, [x22], #0x4\n" |
| "tbz x20, #1, 23f\n" |
| "ld1 { v8.h }[2], [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[6], [x22]\n" |
| "b 26f\n" |
| "23:" // 4 rounds: Partial load: partial_1_4 |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[4], [x22]\n" |
| "b 26f\n" |
| "24:" // 4 rounds: Partial load: partial_2_0 |
| "tbz x20, #1, 25f\n" |
| "ldr h8, [x22], #0x2\n" |
| "tbz x20, #0, 26f\n" |
| "ld1 { v8.b }[2], [x22]\n" |
| "b 26f\n" |
| "25:" // 4 rounds: Partial load: partial_1_0 |
| "ldr b8, [x22, #0x0]\n" |
| "26:" // 4 rounds: Partial load: Done |
| "b 28f\n" |
| "27:" // 4 rounds: Full load |
| "ldr q8, [x22, #0x0]\n" |
| "ldr q13, [x22, #0x10]\n" |
| "ldr q12, [x22, #0x20]\n" |
| "add x22, x22, #0x30\n" |
| "28:" // 4 rounds: Load done |
| "sub v0.16b, v8.16b, v11.16b\n" |
| "sub v7.16b, v8.16b, v10.16b\n" |
| "tbl v0.16b, { v20.16b, v21.16b, v22.16b, v23.16b }, v0.16b\n" |
| "sub v6.16b, v8.16b, v9.16b\n" |
| "sub v5.16b, v13.16b, v11.16b\n" |
| "tbl v8.16b, { v16.16b, v17.16b, v18.16b, v19.16b }, v8.16b\n" |
| "sub v4.16b, v13.16b, v10.16b\n" |
| "sub v3.16b, v13.16b, v9.16b\n" |
| "tbl v7.16b, { v24.16b, v25.16b, v26.16b, v27.16b }, v7.16b\n" |
| "sub v2.16b, v12.16b, v11.16b\n" |
| "sub v1.16b, v12.16b, v10.16b\n" |
| "tbl v6.16b, { v28.16b, v29.16b, v30.16b, v31.16b }, v6.16b\n" |
| "tbl v13.16b, { v16.16b, v17.16b, v18.16b, v19.16b }, v13.16b\n" |
| "tbl v5.16b, { v20.16b, v21.16b, v22.16b, v23.16b }, v5.16b\n" |
| "orr v8.16b, v8.16b, v0.16b\n" |
| "sub v0.16b, v12.16b, v9.16b\n" |
| "tbl v4.16b, { v24.16b, v25.16b, v26.16b, v27.16b }, v4.16b\n" |
| "tbl v3.16b, { v28.16b, v29.16b, v30.16b, v31.16b }, v3.16b\n" |
| "tbl v12.16b, { v16.16b, v17.16b, v18.16b, v19.16b }, v12.16b\n" |
| "tbl v2.16b, { v20.16b, v21.16b, v22.16b, v23.16b }, v2.16b\n" |
| "orr v7.16b, v7.16b, v6.16b\n" |
| "tbl v1.16b, { v24.16b, v25.16b, v26.16b, v27.16b }, v1.16b\n" |
| "tbl v0.16b, { v28.16b, v29.16b, v30.16b, v31.16b }, v0.16b\n" |
| "orr v13.16b, v13.16b, v5.16b\n" |
| "orr v4.16b, v4.16b, v3.16b\n" |
| "orr v12.16b, v12.16b, v2.16b\n" |
| "cmp x20, #0x30\n" |
| "orr v1.16b, v1.16b, v0.16b\n" |
| "orr v8.16b, v8.16b, v7.16b\n" |
| "orr v13.16b, v13.16b, v4.16b\n" |
| "orr v12.16b, v12.16b, v1.16b\n" |
| "bge 53f\n" |
| "tbz x20, #5, 36f\n" |
| "st1 { v8.16b }, [x21], #0x10\n" |
| "st1 { v13.16b }, [x21], #0x10\n" |
| "tbz x20, #3, 32f\n" |
| "str d12, [x21], #0x8\n" |
| "tbz x20, #2, 30f\n" |
| "st1 { v12.s }[2], [x21], #0x4\n" |
| "tbz x20, #1, 29f\n" |
| "st1 { v12.h }[6], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[14], [x21]\n" |
| "b 52f\n" |
| "29:" // 4 rounds: Partial writeback: partial_1_44 |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[12], [x21]\n" |
| "b 52f\n" |
| "30:" // 4 rounds: Partial writeback: partial_2_40 |
| "tbz x20, #1, 31f\n" |
| "st1 { v12.h }[4], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[10], [x21]\n" |
| "b 52f\n" |
| "31:" // 4 rounds: Partial writeback: partial_1_40 |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[8], [x21]\n" |
| "b 52f\n" |
| "32:" // 4 rounds: Partial writeback: partial_4_32 |
| "tbz x20, #2, 34f\n" |
| "str s12, [x21], #0x4\n" |
| "tbz x20, #1, 33f\n" |
| "st1 { v12.h }[2], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[6], [x21]\n" |
| "b 52f\n" |
| "33:" // 4 rounds: Partial writeback: partial_1_36 |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[4], [x21]\n" |
| "b 52f\n" |
| "34:" // 4 rounds: Partial writeback: partial_2_32 |
| "tbz x20, #1, 35f\n" |
| "str h12, [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v12.b }[2], [x21]\n" |
| "b 52f\n" |
| "35:" // 4 rounds: Partial writeback: partial_1_32 |
| "tbz x20, #0, 52f\n" |
| "str b12, [x21, #0x0]\n" |
| "b 52f\n" |
| "36:" // 4 rounds: Partial writeback: partial_16_0 |
| "tbz x20, #4, 44f\n" |
| "st1 { v8.16b }, [x21], #0x10\n" |
| "tbz x20, #3, 40f\n" |
| "str d13, [x21], #0x8\n" |
| "tbz x20, #2, 38f\n" |
| "st1 { v13.s }[2], [x21], #0x4\n" |
| "tbz x20, #1, 37f\n" |
| "st1 { v13.h }[6], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[14], [x21]\n" |
| "b 52f\n" |
| "37:" // 4 rounds: Partial writeback: partial_1_28 |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[12], [x21]\n" |
| "b 52f\n" |
| "38:" // 4 rounds: Partial writeback: partial_2_24 |
| "tbz x20, #1, 39f\n" |
| "st1 { v13.h }[4], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[10], [x21]\n" |
| "b 52f\n" |
| "39:" // 4 rounds: Partial writeback: partial_1_24 |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[8], [x21]\n" |
| "b 52f\n" |
| "40:" // 4 rounds: Partial writeback: partial_4_16 |
| "tbz x20, #2, 42f\n" |
| "str s13, [x21], #0x4\n" |
| "tbz x20, #1, 41f\n" |
| "st1 { v13.h }[2], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[6], [x21]\n" |
| "b 52f\n" |
| "41:" // 4 rounds: Partial writeback: partial_1_20 |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[4], [x21]\n" |
| "b 52f\n" |
| "42:" // 4 rounds: Partial writeback: partial_2_16 |
| "tbz x20, #1, 43f\n" |
| "str h13, [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v13.b }[2], [x21]\n" |
| "b 52f\n" |
| "43:" // 4 rounds: Partial writeback: partial_1_16 |
| "tbz x20, #0, 52f\n" |
| "str b13, [x21, #0x0]\n" |
| "b 52f\n" |
| "44:" // 4 rounds: Partial writeback: partial_8_0 |
| "tbz x20, #3, 48f\n" |
| "str d8, [x21], #0x8\n" |
| "tbz x20, #2, 46f\n" |
| "st1 { v8.s }[2], [x21], #0x4\n" |
| "tbz x20, #1, 45f\n" |
| "st1 { v8.h }[6], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[14], [x21]\n" |
| "b 52f\n" |
| "45:" // 4 rounds: Partial writeback: partial_1_12 |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[12], [x21]\n" |
| "b 52f\n" |
| "46:" // 4 rounds: Partial writeback: partial_2_8 |
| "tbz x20, #1, 47f\n" |
| "st1 { v8.h }[4], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[10], [x21]\n" |
| "b 52f\n" |
| "47:" // 4 rounds: Partial writeback: partial_1_8 |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[8], [x21]\n" |
| "b 52f\n" |
| "48:" // 4 rounds: Partial writeback: partial_4_0 |
| "tbz x20, #2, 50f\n" |
| "str s8, [x21], #0x4\n" |
| "tbz x20, #1, 49f\n" |
| "st1 { v8.h }[2], [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[6], [x21]\n" |
| "b 52f\n" |
| "49:" // 4 rounds: Partial writeback: partial_1_4 |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[4], [x21]\n" |
| "b 52f\n" |
| "50:" // 4 rounds: Partial writeback: partial_2_0 |
| "tbz x20, #1, 51f\n" |
| "str h8, [x21], #0x2\n" |
| "tbz x20, #0, 52f\n" |
| "st1 { v8.b }[2], [x21]\n" |
| "b 52f\n" |
| "51:" // 4 rounds: Partial writeback: partial_1_0 |
| "str b8, [x21, #0x0]\n" |
| "52:" // 4 rounds: Partial writeback: Done |
| "b 54f\n" |
| "53:" // 4 rounds: Full writeback |
| "str q8, [x21, #0x0]\n" |
| "str q13, [x21, #0x10]\n" |
| "str q12, [x21, #0x20]\n" |
| "add x21, x21, #0x30\n" |
| "54:" // 4 rounds: Writeback done |
| "subs x20, x20, #0x30\n" |
| "bgt 2b\n" |
| "add x23, x23, #0x1\n" |
| "cmp x23, %x[num_strings]\n" |
| "bne 1b\n" |
| : |
| : [input] "r"(input), [num_strings] "r"(num_strings), [output] "r"(output), [string_length] "r"(string_length), [table] "r"(table) |
| : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x20", "x21", "x22", "x23"); |
| } |
| |
| #endif // __aarch64__ |
| |
| } // namespace cpu |
| } // namespace arm_compute |