| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #ifdef __ARM_FEATURE_SVE |
| |
| |
| namespace { |
| |
| void sme_transpose_interleave_1VL_2x2(uint16_t *out, const uint16_t *in, size_t width, size_t in_stride, size_t height) |
| { |
| uint16_t *pad_row = reinterpret_cast<uint16_t *>(alloca(width * sizeof(uint16_t))); |
| |
| if (height % 2) { |
| memset(pad_row, 0, width * sizeof(uint16_t)); |
| } |
| |
| size_t out_stride = 1 * roundup<size_t>(height, 2) * sme::get_vector_length<uint16_t>(); |
| |
| __asm__ __volatile__( |
| ".inst 0xd503477f // SMSTART ZA\n" |
| "cmp %x[height], #0x4\n" |
| "ptrue p1.b\n" |
| "blt 6f\n" |
| "1:" // Main row loop: Head |
| "mov x26, %x[in]\n" |
| "add x25, x26, %x[in_stride]\n" |
| "add x24, x25, %x[in_stride]\n" |
| "mov x23, %x[width]\n" |
| "cnth x21, ALL, MUL #2\n" |
| "add x20, x24, %x[in_stride]\n" |
| "cmp x23, x21\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 |
| "ld1h { z17.h }, p1/Z, [x26]\n" |
| "sub x23, x23, x21\n" |
| "cmp x23, x21\n" |
| "ld1h { z16.h }, p1/Z, [x25]\n" |
| "zip1 z24.h, z17.h, z16.h\n" |
| "zip2 z23.h, z17.h, z16.h\n" |
| "ld1h { z17.h }, p1/Z, [x24]\n" |
| "ld1h { z16.h }, p1/Z, [x20]\n" |
| "zip1 z22.h, z17.h, z16.h\n" |
| "zip2 z21.h, z17.h, z16.h\n" |
| "ld1h { z17.h }, p1/Z, [x26, #1, MUL VL]\n" |
| "addvl x26, x26, #2\n" |
| "ld1h { z16.h }, p1/Z, [x25, #1, MUL VL]\n" |
| "zip1 z20.h, z17.h, z16.h\n" |
| "addvl x25, x25, #2\n" |
| "zip2 z19.h, z17.h, z16.h\n" |
| "ld1h { z18.h }, p1/Z, [x24, #1, MUL VL]\n" |
| "addvl x24, x24, #2\n" |
| "ld1h { z16.h }, p1/Z, [x20, #1, MUL VL]\n" |
| "st1h { z24.h }, p1, [x22]\n" |
| "zip1 z17.h, z18.h, z16.h\n" |
| "addvl x20, x20, #2\n" |
| "st1h { z22.h }, p1, [x22, #1, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "zip2 z16.h, z18.h, z16.h\n" |
| "st1h { z23.h }, p1, [x22]\n" |
| "st1h { z21.h }, p1, [x22, #1, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "st1h { z20.h }, p1, [x22]\n" |
| "st1h { z17.h }, p1, [x22, #1, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "st1h { z19.h }, p1, [x22]\n" |
| "st1h { z16.h }, p1, [x22, #1, MUL VL]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "bge 2b\n" |
| "3:" // Main row loop: Unroll column loop skip |
| "cbz x23, 5f\n" |
| "4:" // Main row loop: Column loop |
| "whilelt p0.h, XZR, x23\n" |
| "ld1h { z17.h }, p0/Z, [x26]\n" |
| "decw x23\n" |
| "ld1h { z16.h }, p0/Z, [x25]\n" |
| "cmp x23, #0x0\n" |
| "incd x26, ALL, MUL #4\n" |
| "zip1 z18.h, z17.h, z16.h\n" |
| "ld1h { z17.h }, p0/Z, [x24]\n" |
| "incd x25, ALL, MUL #4\n" |
| "incd x24, ALL, MUL #4\n" |
| "ld1h { z16.h }, p0/Z, [x20]\n" |
| "incd x20, ALL, MUL #4\n" |
| "zip1 z16.h, z17.h, z16.h\n" |
| "st1h { z18.h }, p1, [x22]\n" |
| "st1h { z16.h }, p1, [x22, #1, 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], #2\n" |
| "bge 1b\n" |
| "cbz %x[height], 12f\n" |
| "6:" // Main loop skip |
| "7:" // Tail row loop: Head |
| "mov x26, %x[in]\n" |
| "add x25, x26, %x[in_stride]\n" |
| "cmp %x[height], #0x1\n" |
| "mov x21, %x[width]\n" |
| "cnth x20, ALL, MUL #2\n" |
| "add %x[in], x25, %x[in_stride]\n" |
| "csel x25, x25, %x[pad_row], GT\n" |
| "cmp x21, x20\n" |
| "mov x22, %x[out]\n" |
| "sub %x[height], %x[height], #0x2\n" |
| "blt 9f\n" |
| "8:" // Tail row loop: Unroll column loop |
| "ld1h { z18.h }, p1/Z, [x26]\n" |
| "sub x21, x21, x20\n" |
| "cmp x21, x20\n" |
| "ld1h { z16.h }, p1/Z, [x25]\n" |
| "zip1 z17.h, z18.h, z16.h\n" |
| "zip2 z19.h, z18.h, z16.h\n" |
| "ld1h { z18.h }, p1/Z, [x26, #1, MUL VL]\n" |
| "addvl x26, x26, #2\n" |
| "ld1h { z16.h }, p1/Z, [x25, #1, MUL VL]\n" |
| "st1h { z17.h }, p1, [x22]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "zip1 z17.h, z18.h, z16.h\n" |
| "st1h { z19.h }, p1, [x22]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "addvl x25, x25, #2\n" |
| "zip2 z16.h, z18.h, z16.h\n" |
| "st1h { z17.h }, p1, [x22]\n" |
| "add x22, x22, %x[out_stride]\n" |
| "st1h { z16.h }, p1, [x22]\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.h, XZR, x21\n" |
| "ld1h { z17.h }, p0/Z, [x26]\n" |
| "decw x21\n" |
| "ld1h { z16.h }, p0/Z, [x25]\n" |
| "cmp x21, #0x0\n" |
| "incd x26, ALL, MUL #4\n" |
| "zip1 z16.h, z17.h, z16.h\n" |
| "incd x25, ALL, MUL #4\n" |
| "st1h { z16.h }, p1, [x22]\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 |
| ".inst 0xd503467f // SMSTOP\n" |
| : [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", "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31" |
| ); |
| } |
| |
| } // anonymous namespace |
| |
| template<> |
| void Transform<1, 2, true, VLType::SME>( |
| bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sme_transpose_interleave_1VL_2x2( |
| reinterpret_cast<uint16_t *>(out), |
| reinterpret_cast<const uint16_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(bfloat16) / 2, |
| stride * sizeof(bfloat16), |
| (kmax-k0) |
| ); |
| } |
| |
| template<> |
| void Transform<1, 2, true, VLType::SME>( |
| __fp16 *out, const __fp16 *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sme_transpose_interleave_1VL_2x2( |
| reinterpret_cast<uint16_t *>(out), |
| reinterpret_cast<const uint16_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(__fp16) / 2, |
| stride * sizeof(__fp16), |
| (kmax-k0) |
| ); |
| } |
| |
| #endif |