| /* |
| * 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 __ARM_FEATURE_SVE |
| |
| |
| namespace { |
| |
| void sve_transpose_interleave_1VL(uint32_t *out, const uint32_t *in, size_t width, size_t in_stride, size_t height) |
| { |
| size_t out_stride = 1 * height * get_vector_length<uint8_t>(); |
| |
| __asm__ __volatile__( |
| "cmp %x[height], #0x4\n" |
| "ptrue p1.b\n" |
| "blt 6f\n" |
| "1:" // Main row loop: Head |
| "mov x26, %x[in]\n" |
| "mov x25, %x[width]\n" |
| "cntw x24, ALL, MUL #2\n" |
| "add x23, x26, %x[in_stride]\n" |
| "add x21, x23, %x[in_stride]\n" |
| "add x20, x21, %x[in_stride]\n" |
| "cmp x25, x24\n" |
| "add %x[in], x20, %x[in_stride]\n" |
| "mov x22, %x[out]\n" |
| "sub %x[height], %x[height], #0x4\n" |
| "blt 3f\n" |
| "2:" // Main row loop: Unroll column loop |
| "sub x25, x25, x24\n" |
| "ld1w { z23.s }, p1/Z, [x26]\n" |
| "ld1w { z22.s }, p1/Z, [x26, #1, MUL VL]\n" |
| "cmp x25, x24\n" |
| "ld1w { z21.s }, p1/Z, [x23]\n" |
| "ld1w { z20.s }, p1/Z, [x23, #1, MUL VL]\n" |
| "addvl x26, x26, #2\n" |
| "addvl x23, x23, #2\n" |
| "ld1w { z19.s }, p1/Z, [x21]\n" |
| "ld1w { z18.s }, p1/Z, [x21, #1, MUL VL]\n" |
| "addvl x21, x21, #2\n" |
| "ld1w { z17.s }, p1/Z, [x20]\n" |
| "ld1w { z16.s }, p1/Z, [x20, #1, MUL VL]\n" |
| "st1w { z23.s }, p1, [x22]\n" |
| "addvl x20, x20, #2\n" |
| "st1w { z21.s }, p1, [x22, #1, MUL VL]\n" |
| "st1w { z19.s }, p1, [x22, #2, MUL VL]\n" |
| "st1w { z17.s }, p1, [x22, #3, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "st1w { z22.s }, p1, [x22]\n" |
| "st1w { z20.s }, p1, [x22, #1, MUL VL]\n" |
| "st1w { z18.s }, p1, [x22, #2, MUL VL]\n" |
| "st1w { z16.s }, p1, [x22, #3, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "bge 2b\n" |
| "3:" // Main row loop: Unroll column loop skip |
| "cbz x25, 5f\n" |
| "4:" // Main row loop: Column loop |
| "whilelt p0.s, XZR, x25\n" |
| "decw x25\n" |
| "ld1w { z19.s }, p0/Z, [x26]\n" |
| "ld1w { z18.s }, p0/Z, [x23]\n" |
| "cmp x25, #0x0\n" |
| "addvl x26, x26, #1\n" |
| "ld1w { z17.s }, p0/Z, [x21]\n" |
| "ld1w { z16.s }, p0/Z, [x20]\n" |
| "addvl x23, x23, #1\n" |
| "addvl x21, x21, #1\n" |
| "st1w { z19.s }, p1, [x22]\n" |
| "addvl x20, x20, #1\n" |
| "st1w { z18.s }, p1, [x22, #1, MUL VL]\n" |
| "st1w { z17.s }, p1, [x22, #2, MUL VL]\n" |
| "st1w { z16.s }, p1, [x22, #3, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "bgt 4b\n" |
| "5:" // Main row loop: Column loop skip |
| "cmp %x[height], #0x4\n" |
| "addvl %x[out], %x[out], #4\n" |
| "bge 1b\n" |
| "cbz %x[height], 12f\n" |
| "6:" // Main loop skip |
| |
| "7:" // Tail row loop: Head |
| "mov x21, %x[width]\n" |
| "cntw x20, ALL, MUL #2\n" |
| "mov x26, %x[in]\n" |
| "cmp x21, x20\n" |
| "add %x[in], x26, %x[in_stride]\n" |
| "mov x22, %x[out]\n" |
| "sub %x[height], %x[height], #0x1\n" |
| "blt 9f\n" |
| "8:" // Tail row loop: Unroll column loop |
| "sub x21, x21, x20\n" |
| "ld1w { z17.s }, p1/Z, [x26]\n" |
| "ld1w { z16.s }, p1/Z, [x26, #1, MUL VL]\n" |
| "st1w { z17.s }, p1, [x22]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "cmp x21, x20\n" |
| "st1w { z16.s }, p1, [x22]\n" |
| "addvl x26, x26, #2\n" |
| "add x22, x22, %x[out_stride]\n" |
| "bge 8b\n" |
| "9:" // Tail row loop: Unroll column loop skip |
| "cbz x21, 11f\n" |
| "10:" // Tail row loop: Column loop |
| "whilelt p0.s, XZR, x21\n" |
| "decw x21\n" |
| "ld1w { z16.s }, p0/Z, [x26]\n" |
| "st1w { z16.s }, p1, [x22]\n" |
| "cmp x21, #0x0\n" |
| "addvl x26, x26, #1\n" |
| "add x22, x22, %x[out_stride]\n" |
| "bgt 10b\n" |
| "11:" // Tail row loop: Column loop skip |
| "cmp %x[height], #0x1\n" |
| "addvl %x[out], %x[out], #1\n" |
| "bge 7b\n" |
| "12:" // Done |
| |
| : [height] "+&r" (height), [in] "+&r" (in), [out] "+&r" (out) |
| : [in_stride] "r" (in_stride), [out_stride] "r" (out_stride), [width] "r" (width) |
| : "cc", "memory", "p0", "p1", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23" |
| ); |
| } |
| |
| } // anonymous namespace |
| |
| template<> |
| void Transform<1, 1, true, VLType::SVE>( |
| float *out, const float *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sve_transpose_interleave_1VL( |
| reinterpret_cast<uint32_t *>(out), |
| reinterpret_cast<const uint32_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(float) / 4, |
| stride * sizeof(float), |
| (kmax-k0) |
| ); |
| } |
| |
| #endif |