| /* |
| * 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. |
| */ |
| |
| #ifdef __aarch64__ |
| |
| template<> |
| void interleave_block<8, 4, VLType::None, false>( |
| bfloat16 * &out_ptr, const float * const * in, size_t width, size_t height, |
| size_t row_offset, bool |
| ) |
| { |
| __asm__ __volatile__( |
| "ldr x28, [%x[in], #0x0]\n" |
| "ldr x27, [%x[in], #0x8]\n" |
| "cmp %x[height], #0x8\n" |
| "add x28, x28, %x[row_offset], LSL #2\n" |
| "ldr x26, [%x[in], #0x10]\n" |
| "ldr x25, [%x[in], #0x18]\n" |
| "add x27, x27, %x[row_offset], LSL #2\n" |
| "add x26, x26, %x[row_offset], LSL #2\n" |
| "ldr x24, [%x[in], #0x20]\n" |
| "ldr x23, [%x[in], #0x28]\n" |
| "add x25, x25, %x[row_offset], LSL #2\n" |
| "add x24, x24, %x[row_offset], LSL #2\n" |
| "ldr x22, [%x[in], #0x30]\n" |
| "ldr x21, [%x[in], #0x38]\n" |
| "add x23, x23, %x[row_offset], LSL #2\n" |
| "add x22, x22, %x[row_offset], LSL #2\n" |
| "add x21, x21, %x[row_offset], LSL #2\n" |
| "beq 1f\n" |
| "cmp %x[height], #0x2\n" |
| "csel x27, x27, x28, GE\n" |
| "csel x26, x26, x28, GT\n" |
| "cmp %x[height], #0x4\n" |
| "csel x25, x25, x28, GE\n" |
| "csel x24, x24, x28, GT\n" |
| "cmp %x[height], #0x6\n" |
| "mov x21, x28\n" |
| "csel x23, x23, x28, GE\n" |
| "csel x22, x22, x28, GT\n" |
| "1:" // no_pointer_adj |
| "cmp %x[width], #0x4\n" |
| "prfm pldl1keep, [x28, #0x0]\n" |
| "prfm pldl1keep, [x27, #0x0]\n" |
| "prfm pldl1keep, [x26, #0x0]\n" |
| "prfm pldl1keep, [x25, #0x0]\n" |
| "prfm pldl1keep, [x24, #0x0]\n" |
| "prfm pldl1keep, [x23, #0x0]\n" |
| "prfm pldl1keep, [x22, #0x0]\n" |
| "prfm pldl1keep, [x21, #0x0]\n" |
| "prfm pldl1keep, [x28, #0x40]\n" |
| "prfm pldl1keep, [x27, #0x40]\n" |
| "prfm pldl1keep, [x26, #0x40]\n" |
| "prfm pldl1keep, [x25, #0x40]\n" |
| "prfm pldl1keep, [x24, #0x40]\n" |
| "prfm pldl1keep, [x23, #0x40]\n" |
| "prfm pldl1keep, [x22, #0x40]\n" |
| "prfm pldl1keep, [x21, #0x40]\n" |
| "blt 3f\n" |
| "2:" // Main loop head |
| "ldr q17, [x28], #0x10\n" |
| "ldr q16, [x26], #0x10\n" |
| ".inst 0x0ea16a37 // bfcvtn v23.4h, v17.4s\n" |
| ".inst 0x0ea16a16 // bfcvtn v22.4h, v16.4s\n" |
| "ldr q17, [x24], #0x10\n" |
| "ldr q16, [x22], #0x10\n" |
| ".inst 0x0ea16a35 // bfcvtn v21.4h, v17.4s\n" |
| ".inst 0x0ea16a14 // bfcvtn v20.4h, v16.4s\n" |
| "ldr q19, [x27], #0x10\n" |
| "ldr q18, [x25], #0x10\n" |
| "subs %x[width], %x[width], #0x4\n" |
| "cmp %x[width], #0x4\n" |
| "ldr q17, [x23], #0x10\n" |
| "ldr q16, [x21], #0x10\n" |
| ".inst 0x4ea16a77 // bfcvtn2 v23.8h, v19.4s\n" |
| ".inst 0x4ea16a56 // bfcvtn2 v22.8h, v18.4s\n" |
| "prfm pldl1keep, [x28, #0x70]\n" |
| "prfm pldl1keep, [x27, #0x70]\n" |
| ".inst 0x4ea16a35 // bfcvtn2 v21.8h, v17.4s\n" |
| ".inst 0x4ea16a14 // bfcvtn2 v20.8h, v16.4s\n" |
| "prfm pldl1keep, [x26, #0x70]\n" |
| "prfm pldl1keep, [x25, #0x70]\n" |
| "str q23, [%x[out_ptr], #0x0]\n" |
| "prfm pldl1keep, [x24, #0x70]\n" |
| "prfm pldl1keep, [x23, #0x70]\n" |
| "str q22, [%x[out_ptr], #0x10]\n" |
| "prfm pldl1keep, [x22, #0x70]\n" |
| "prfm pldl1keep, [x21, #0x70]\n" |
| "str q21, [%x[out_ptr], #0x20]\n" |
| "str q20, [%x[out_ptr], #0x30]\n" |
| "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| "bge 2b\n" |
| "3:" // Main loop skip |
| "cbz %x[width], 6f\n" |
| "tbz %x[width], #1, 4f\n" |
| "ldr d19, [x28], #0x8\n" |
| "ldr d23, [x27], #0x8\n" |
| "mov x20, #0x1\n" |
| "ldr d18, [x26], #0x8\n" |
| "ldr d22, [x25], #0x8\n" |
| "ldr d17, [x24], #0x8\n" |
| "ldr d21, [x23], #0x8\n" |
| "ldr d16, [x22], #0x8\n" |
| "ldr d20, [x21], #0x8\n" |
| "tbz %x[width], #0, 5f\n" |
| "ld1 { v19.s }[2], [x28]\n" |
| "ld1 { v23.s }[2], [x27]\n" |
| "ld1 { v18.s }[2], [x26]\n" |
| "ld1 { v22.s }[2], [x25]\n" |
| "ld1 { v17.s }[2], [x24]\n" |
| "ld1 { v21.s }[2], [x23]\n" |
| "ld1 { v16.s }[2], [x22]\n" |
| "ld1 { v20.s }[2], [x21]\n" |
| "b 5f\n" |
| "4:" // odd_loads_1_0 |
| "ldr s19, [x28, #0x0]\n" |
| "ldr s23, [x27, #0x0]\n" |
| "mov x20, #0x1\n" |
| "ldr s18, [x26, #0x0]\n" |
| "ldr s22, [x25, #0x0]\n" |
| "ldr s17, [x24, #0x0]\n" |
| "ldr s21, [x23, #0x0]\n" |
| "ldr s16, [x22, #0x0]\n" |
| "ldr s20, [x21, #0x0]\n" |
| "5:" // Odd load end |
| ".inst 0x0ea16a73 // bfcvtn v19.4h, v19.4s\n" |
| ".inst 0x0ea16a52 // bfcvtn v18.4h, v18.4s\n" |
| ".inst 0x0ea16a31 // bfcvtn v17.4h, v17.4s\n" |
| ".inst 0x0ea16a10 // bfcvtn v16.4h, v16.4s\n" |
| ".inst 0x4ea16af3 // bfcvtn2 v19.8h, v23.4s\n" |
| ".inst 0x4ea16ad2 // bfcvtn2 v18.8h, v22.4s\n" |
| "str q19, [%x[out_ptr], #0x0]\n" |
| ".inst 0x4ea16ab1 // bfcvtn2 v17.8h, v21.4s\n" |
| ".inst 0x4ea16a90 // bfcvtn2 v16.8h, v20.4s\n" |
| "str q18, [%x[out_ptr], #0x10]\n" |
| "str q17, [%x[out_ptr], #0x20]\n" |
| "str q16, [%x[out_ptr], #0x30]\n" |
| "add %x[out_ptr], %x[out_ptr], #0x40\n" |
| "6:" // Odds skip |
| : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width) |
| : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset) |
| : "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28" |
| ); |
| } |
| |
| |
| #endif // __aarch64__ |