| Viet-Hoa Do | 03b2971 | 2022-06-01 11:47:14 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2022 Arm Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 22 | * IN THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #if defined(__ARM_FEATURE_SVE) |
| 26 | |
| 27 | template <> |
| 28 | void interleave_block<2, 1, VLType::SME, false>( |
| 29 | __fp16 * &out, const __fp16 * const *in, |
| 30 | size_t width, size_t height, size_t row_offset, bool first |
| 31 | ) |
| 32 | { |
| 33 | ARM_COMPUTE_UNUSED(first); |
| 34 | |
| 35 | __asm__ __volatile__( |
| 36 | ".inst 0xd503477f // SMSTART ZA\n" |
| 37 | "cnth x27\n" |
| 38 | "cmp %x[height], x27\n" |
| 39 | "cnth x26\n" |
| 40 | "csel x27, %x[height], x27, LT\n" |
| 41 | "mov x25, #0x0\n" |
| 42 | "ptrue p13.s\n" |
| 43 | "sub x27, x27, #0x1\n" |
| 44 | "whilelt p12.h, XZR, %x[height]\n" |
| 45 | "whilelt p11.h, x26, %x[height]\n" |
| 46 | "mov x24, %x[row_offset]\n" |
| 47 | "mov x23, %x[out]\n" |
| 48 | "whilelt p10.h, x25, %x[width]\n" |
| 49 | "whilelt p9.h, x25, %x[width]\n" |
| 50 | "whilelt p8.h, x25, %x[width]\n" |
| 51 | "1:" // Width loop |
| 52 | "add x22, %x[in], XZR, LSL #3\n" |
| 53 | "add x19, %x[in], x26, LSL #3\n" |
| 54 | "ldr x21, [x22], #0x8\n" |
| 55 | "mov x12, #0x0\n" |
| 56 | "ldr x20, [x19], #0x8\n" |
| 57 | "cbz x27, 3f\n" |
| 58 | "2:" // Loads: Loop |
| 59 | ".inst 0x25286581 // psel p1.h, p9.h/Z, p12.h[w12]\n" |
| 60 | ".inst 0x25286160 // psel p0.h, p8.h/Z, p11.h[w12]\n" |
| 61 | ".inst 0xe05806a0 // ld1h { za0h.h[x12] }, p1/Z, [x21, x24, LSL #1]\n" |
| 62 | "ldr x21, [x22], #0x8\n" |
| 63 | ".inst 0xe0580288 // ld1h { za1h.h[x12] }, p0/Z, [x20, x24, LSL #1]\n" |
| 64 | "add x12, x12, #0x2\n" |
| 65 | "cmp x12, x27, LSL #1\n" |
| 66 | "ldr x20, [x19], #0x8\n" |
| 67 | "blt 2b\n" |
| 68 | "3:" // Loads: Tail |
| 69 | "sub x19, %x[width], x25\n" |
| 70 | ".inst 0x25286580 // psel p0.h, p9.h/Z, p12.h[w12]\n" |
| 71 | ".inst 0xe05802a0 // ld1h { za0h.h[x12] }, p0/Z, [x21, x24, LSL #1]\n" |
| 72 | ".inst 0x25286160 // psel p0.h, p8.h/Z, p11.h[w12]\n" |
| 73 | "cmp x19, x26\n" |
| 74 | ".inst 0xe0580288 // ld1h { za1h.h[x12] }, p0/Z, [x20, x24, LSL #1]\n" |
| 75 | "mov x12, #0x0\n" |
| 76 | "csel x19, x19, x26, LT\n" |
| 77 | "4:" // Stores: Loop |
| 78 | ".inst 0x25287540 // psel p0.h, p13.h/Z, p10.h[w12]\n" |
| 79 | ".inst 0xe07f82e0 // st1h { za0v.h[x12] }, p0/Z, [x23, XZR, LSL #1]\n" |
| 80 | ".inst 0x25287540 // psel p0.h, p13.h/Z, p10.h[w12]\n" |
| 81 | ".inst 0xe07a82e8 // st1h { za1v.h[x12] }, p0/Z, [x23, x26, LSL #1]\n" |
| 82 | "add x12, x12, #0x1\n" |
| 83 | "cmp x12, x19\n" |
| 84 | "addvl x23, x23, #4\n" |
| 85 | "blt 4b\n" |
| 86 | "inch x25\n" |
| 87 | "whilelt p10.h, x25, %x[width]\n" |
| 88 | "whilelt p9.h, x25, %x[width]\n" |
| 89 | "whilelt p8.h, x25, %x[width]\n" |
| 90 | "inch x24\n" |
| 91 | "b.any 1b\n" |
| 92 | "mov %x[out], x23\n" |
| 93 | ".inst 0xd503467f // SMSTOP\n" |
| 94 | : [out] "+&r" (out) |
| 95 | : [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset), [width] "r" (width) |
| 96 | : "cc", "memory", "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", "x12", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "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" |
| 97 | ); |
| 98 | } |
| 99 | |
| 100 | #endif // defined(__ARM_FEATURE_SVE) |