| /* |
| * Copyright (c) 2022 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_4VL(uint16_t *out, const uint16_t *in, size_t width, size_t in_stride, size_t height) |
| { |
| size_t out_stride = 4 * height * sme::get_vector_length<uint8_t>(); |
| |
| __asm__ __volatile__( |
| ".inst 0xd503477f // SMSTART ZA\n" |
| "cmp %x[height], #0x4\n" |
| "ptrue p4.b\n" |
| "blt 4f\n" |
| "1:" // Main row loop: Head |
| "mov x25, %x[in]\n" |
| "add x24, x25, %x[in_stride]\n" |
| "add x23, x24, %x[in_stride]\n" |
| "add x22, x23, %x[in_stride]\n" |
| "add %x[in], x22, %x[in_stride]\n" |
| "mov x21, %x[out]\n" |
| "sub %x[height], %x[height], #0x4\n" |
| "mov x20, %x[width]\n" |
| "2:" // Main row loop: Column loop |
| "mov x19, x20\n" |
| "whilelt p3.h, XZR, x19\n" |
| "ld1h { z31.h }, p3/Z, [x25]\n" |
| "dech x19\n" |
| "whilelt p2.h, XZR, x19\n" |
| "ld1h { z30.h }, p2/Z, [x25, #1, MUL VL]\n" |
| "dech x19\n" |
| "whilelt p1.h, XZR, x19\n" |
| "ld1h { z29.h }, p1/Z, [x25, #2, MUL VL]\n" |
| "dech x19\n" |
| "whilelt p0.h, XZR, x19\n" |
| "ld1h { z28.h }, p0/Z, [x25, #3, MUL VL]\n" |
| "mov x19, x21\n" |
| "dech x20, ALL, MUL #4\n" |
| "ld1h { z27.h }, p3/Z, [x24]\n" |
| "ld1h { z26.h }, p2/Z, [x24, #1, MUL VL]\n" |
| "cmp x20, #0x0\n" |
| "addvl x25, x25, #4\n" |
| "ld1h { z25.h }, p1/Z, [x24, #2, MUL VL]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "ld1h { z24.h }, p0/Z, [x24, #3, MUL VL]\n" |
| "addvl x24, x24, #4\n" |
| "ld1h { z23.h }, p3/Z, [x23]\n" |
| "ld1h { z22.h }, p2/Z, [x23, #1, MUL VL]\n" |
| "ld1h { z21.h }, p1/Z, [x23, #2, MUL VL]\n" |
| "ld1h { z20.h }, p0/Z, [x23, #3, MUL VL]\n" |
| "addvl x23, x23, #4\n" |
| "ld1h { z19.h }, p3/Z, [x22]\n" |
| "ld1h { z18.h }, p2/Z, [x22, #1, MUL VL]\n" |
| "ld1h { z17.h }, p1/Z, [x22, #2, MUL VL]\n" |
| "ld1h { z16.h }, p0/Z, [x22, #3, MUL VL]\n" |
| "st1h { z31.h }, p4, [x19]\n" |
| "addvl x22, x22, #4\n" |
| "st1h { z30.h }, p4, [x19, #1, MUL VL]\n" |
| "st1h { z29.h }, p4, [x19, #2, MUL VL]\n" |
| "st1h { z28.h }, p4, [x19, #3, MUL VL]\n" |
| "st1h { z27.h }, p4, [x19, #4, MUL VL]\n" |
| "st1h { z26.h }, p4, [x19, #5, MUL VL]\n" |
| "st1h { z25.h }, p4, [x19, #6, MUL VL]\n" |
| "st1h { z24.h }, p4, [x19, #7, MUL VL]\n" |
| "addvl x19, x19, #16\n" |
| "st1h { z23.h }, p4, [x19, #-8, MUL VL]\n" |
| "st1h { z22.h }, p4, [x19, #-7, MUL VL]\n" |
| "st1h { z21.h }, p4, [x19, #-6, MUL VL]\n" |
| "st1h { z20.h }, p4, [x19, #-5, MUL VL]\n" |
| "st1h { z19.h }, p4, [x19, #-4, MUL VL]\n" |
| "st1h { z18.h }, p4, [x19, #-3, MUL VL]\n" |
| "st1h { z17.h }, p4, [x19, #-2, MUL VL]\n" |
| "st1h { z16.h }, p4, [x19, #-1, MUL VL]\n" |
| "bgt 2b\n" |
| "3:" // Main row loop: Column loop skip |
| "cmp %x[height], #0x4\n" |
| "addvl %x[out], %x[out], #16\n" |
| "bge 1b\n" |
| "cbz %x[height], 8f\n" |
| "4:" // Main loop skip |
| "5:" // Tail row loop: Head |
| "mov x25, %x[in]\n" |
| "add %x[in], x25, %x[in_stride]\n" |
| "mov x21, %x[out]\n" |
| "sub %x[height], %x[height], #0x1\n" |
| "mov x20, %x[width]\n" |
| "6:" // Tail row loop: Column loop |
| "mov x19, x20\n" |
| "whilelt p0.h, XZR, x19\n" |
| "ld1h { z19.h }, p0/Z, [x25]\n" |
| "dech x19\n" |
| "whilelt p0.h, XZR, x19\n" |
| "ld1h { z18.h }, p0/Z, [x25, #1, MUL VL]\n" |
| "dech x19\n" |
| "whilelt p0.h, XZR, x19\n" |
| "ld1h { z17.h }, p0/Z, [x25, #2, MUL VL]\n" |
| "dech x19\n" |
| "dech x20, ALL, MUL #4\n" |
| "whilelt p0.h, XZR, x19\n" |
| "cmp x20, #0x0\n" |
| "ld1h { z16.h }, p0/Z, [x25, #3, MUL VL]\n" |
| "st1h { z19.h }, p4, [x21]\n" |
| "addvl x25, x25, #4\n" |
| "st1h { z18.h }, p4, [x21, #1, MUL VL]\n" |
| "st1h { z17.h }, p4, [x21, #2, MUL VL]\n" |
| "st1h { z16.h }, p4, [x21, #3, MUL VL]\n" |
| "add x21, x21, %x[out_stride]\n" |
| "bgt 6b\n" |
| "7:" // Tail row loop: Column loop skip |
| "cmp %x[height], #0x1\n" |
| "addvl %x[out], %x[out], #4\n" |
| "bge 5b\n" |
| "8:" // Done |
| ".inst 0xd503467f // SMSTOP\n" |
| : [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", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "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<4, 1, true, VLType::SME>( |
| float *out, const float *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sme_transpose_interleave_4VL( |
| reinterpret_cast<uint16_t *>(out), |
| reinterpret_cast<const uint16_t *>(in + k0 * stride + x0), |
| (xmax-x0) * sizeof(float) / 2, |
| stride * sizeof(float), |
| (kmax-k0) |
| ); |
| } |
| |
| template<> |
| void Transform<4, 1, true, VLType::SME>( |
| bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sme_transpose_interleave_4VL( |
| 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<4, 1, true, VLType::SME>( |
| __fp16 *out, const __fp16 *in, int stride, int x0, int xmax, int k0, int kmax) |
| { |
| sme_transpose_interleave_4VL( |
| 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 |