/*
 * Copyright (c) 2021 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.
 */

#include <cstddef>
#include <cstdint>

#if defined(__ARM_FP16_ARGS) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)

namespace arm_conv {
namespace depthwise {

void a64_fp16_nhwc_3x3_s1_output3x3_mla_depthfirst_direct_impl(
  const unsigned int n_tile_rows,
  const unsigned int n_tile_cols,
  const __fp16 *inptr,
  int64_t ld_input_row,
  int64_t ld_input_col,
  __fp16 *outptr,
  int64_t ld_output_row,
  int64_t ld_output_col,
  const void *params,
  unsigned int n_channels,
  const __fp16 activation_min,
  const __fp16 activation_max
)
{
  struct Args
  {
    const uint64_t n_tile_rows, n_tile_cols;
    const __fp16 *inptr;
    const uint64_t ld_input_row;
    const uint64_t ld_input_col;
    __fp16 *outptr;
    const uint64_t ld_output_row;
    const uint64_t ld_output_col;
    const void *params;
    const __fp16 min, max;

    uint64_t tile_i = 0, tile_j = 0;

    Args(
      const unsigned int n_tile_rows,
      const unsigned int n_tile_cols,
      const __fp16 *inptr,
      int64_t ld_input_row,
      int64_t ld_input_col,
      __fp16 *outptr,
      int64_t ld_output_row,
      int64_t ld_output_col,
      const void *params,
      const float activation_min,
      const float activation_max
    ) : n_tile_rows(n_tile_rows), n_tile_cols(n_tile_cols), inptr(inptr),
        ld_input_row(ld_input_row), ld_input_col(ld_input_col), outptr(outptr),
        ld_output_row(ld_output_row), ld_output_col(ld_output_col),
        params(params), min(activation_min), max(activation_max)
    {
    }
  };

  Args params_struct(
    n_tile_rows, n_tile_cols,
    inptr, ld_input_row, ld_input_col,
    outptr, ld_output_row, ld_output_col,
    params, activation_min, activation_max
  );

  __asm__ __volatile__(
    "mov x7, #0x0\n"
    "mov x8, #0x0\n"
    "1:"  // Tile loop
    "str x7, [%x[params_struct], %[offsetof_args_tile_i]]\n"
    "mov x26, #0x3\n"
    "str x8, [%x[params_struct], %[offsetof_args_tile_j]]\n"
    "mov x25, #0x3\n"
    "ldr x17, [%x[params_struct], %[offsetof_args_params]]\n"
    "add x24, %x[params_struct], %[offsetof_args_min]\n"
    "ldr x22, [%x[params_struct], %[offsetof_args_ld_input_row]]\n"
    "add x21, %x[params_struct], %[offsetof_args_max]\n"
    "ldr x16, [%x[params_struct], %[offsetof_args_ld_input_col]]\n"
    "mov x23, #0x0\n"
    "ldr x15, [%x[params_struct], %[offsetof_args_inptr]]\n"
    "mul x19, x7, x22\n" // offset = tile_i * ld_input_row
    "ldr x20, [%x[params_struct], %[offsetof_args_ld_output_row]]\n"
    "madd x19, x8, x16, x19\n" // offset += tile_j * ld_input_col
    "ldr x14, [%x[params_struct], %[offsetof_args_ld_output_col]]\n"
    "mul x19, x19, x26\n" // offset *= kernel_stride * output_size
    "ldr x13, [%x[params_struct], %[offsetof_args_outptr]]\n"
    "add x15, x15, x19, LSL #1\n" // inptr[0] += offset * sizeof(__fp16)
    "ld1r { v18.8h }, [x24]\n"
    "add x12, x15, x22, LSL #1\n"
    "ld1r { v17.8h }, [x21]\n"
    "add x11, x12, x22, LSL #1\n"
    "lsl x16, x16, #0x1\n"
    "add x10, x11, x22, LSL #1\n"
    "add x9, x10, x22, LSL #1\n"
    "add x28, x16, x16\n"
    "add x27, x28, x16\n"
    "add x26, x27, x16\n"
    "mul x19, x7, x20\n" // offset = tile_i * ld_output_row
    "madd x19, x8, x14, x19\n" // offset += tile_j * ld_output_col
    "mul x19, x19, x25\n" // offset *= output_tile_size
    "add x13, x13, x19, LSL #1\n" // outptrs[0] += offset * sizeof(__fp16)
    "add x25, x13, x20, LSL #1\n"
    "add x24, x25, x20, LSL #1\n"
    "lsl x14, x14, #0x1\n"
    "add x22, x14, x14\n"
    "mov x21, #0x10\n" // cntb _, ALL, #1
    "sub x20, XZR, x21\n"
    "lsr x19, %x[n_channels], #0x3\n"
    "cbz x19, 4f\n"
    "ldr q16, [x17, #0x0]\n"
    "ldr q0, [x17, #0x10]\n"
    "cmp x21, x19, LSL #4\n"
    "ldr q1, [x17, #0x20]\n"
    "ldr q2, [x17, #0x30]\n"
    "ldr q3, [x17, #0x40]\n"
    "ldr q4, [x17, #0x50]\n"
    "ldr q5, [x17, #0x60]\n"
    "ldr q6, [x17, #0x70]\n"
    "ldr q7, [x17, #0x80]\n"
    "ldr q8, [x17, #0x90]\n"
    "add x17, x17, #0xa0\n"
    "ldr q9, [x11, x28]\n"
    "ld1 { v10.8h }, [x15]\n"
    "ldr q11, [x15, x26]\n"
    "ld1 { v12.8h }, [x9]\n"
    "ldr q13, [x12, x28]\n"
    "bge 3f\n"
    "2:"  // Tile loop: Channel loop
    "mov v31.16b, v16.16b\n fmla v31.8h, v8.8h, v9.8h\n"
    "add x20, x20, #0x10\n"
    "mov v30.16b, v16.16b\n fmla v30.8h, v7.8h, v9.8h\n"
    "add x23, x23, #0x10\n"
    "mov v29.16b, v16.16b\n fmla v29.8h, v6.8h, v9.8h\n"
    "add x21, x21, #0x10\n"
    "mov v28.16b, v16.16b\n fmla v28.8h, v5.8h, v9.8h\n"
    "cmp x21, x19, LSL #4\n"
    "mov v27.16b, v16.16b\n fmla v27.8h, v4.8h, v9.8h\n"
    "mov v26.16b, v16.16b\n fmla v26.8h, v3.8h, v9.8h\n"
    "mov v25.16b, v16.16b\n fmla v25.8h, v2.8h, v9.8h\n"
    "mov v24.16b, v16.16b\n fmla v24.8h, v1.8h, v9.8h\n"
    "mov v23.16b, v16.16b\n fmla v23.8h, v0.8h, v9.8h\n"
    "ldr q16, [x17, #0x0]\n"
    "fmla v31.8h, v0.8h, v10.8h\n"
    "ldr q10, [x11, x27]\n"
    "fmla v29.8h, v2.8h, v11.8h\n"
    "ldr q11, [x11, x16]\n"
    "fmla v25.8h, v6.8h, v12.8h\n"
    "ldr q12, [x9, x26]\n"
    "fmla v30.8h, v4.8h, v13.8h\n"
    "fmla v31.8h, v5.8h, v13.8h\n"
    "fmla v29.8h, v3.8h, v13.8h\n"
    "fmla v28.8h, v2.8h, v13.8h\n"
    "fmla v27.8h, v1.8h, v13.8h\n"
    "fmla v26.8h, v0.8h, v13.8h\n"
    "ldr q13, [x15, x16]\n"
    "fmla v23.8h, v8.8h, v12.8h\n"
    "ldr q12, [x15, x27]\n"
    "fmla v31.8h, v7.8h, v11.8h\n"
    "fmla v30.8h, v6.8h, v11.8h\n"
    "fmla v28.8h, v4.8h, v11.8h\n"
    "fmla v27.8h, v3.8h, v11.8h\n"
    "fmla v25.8h, v1.8h, v11.8h\n"
    "fmla v24.8h, v0.8h, v11.8h\n"
    "ld1 { v11.8h }, [x12]\n"
    "fmla v31.8h, v1.8h, v13.8h\n"
    "fmla v30.8h, v0.8h, v13.8h\n"
    "ldr q13, [x12, x26]\n"
    "fmla v29.8h, v1.8h, v12.8h\n"
    "fmla v27.8h, v5.8h, v10.8h\n"
    "fmla v26.8h, v4.8h, v10.8h\n"
    "fmla v30.8h, v2.8h, v12.8h\n"
    "ld1 { v12.8h }, [x10]\n"
    "fmla v29.8h, v7.8h, v10.8h\n"
    "fmla v24.8h, v2.8h, v10.8h\n"
    "fmla v23.8h, v1.8h, v10.8h\n"
    "fmla v30.8h, v8.8h, v10.8h\n"
    "ldr q10, [x10, x28]\n"
    "fmla v31.8h, v3.8h, v11.8h\n"
    "fmla v28.8h, v0.8h, v11.8h\n"
    "ldr q11, [x10, x26]\n"
    "fmla v29.8h, v5.8h, v13.8h\n"
    "fmla v26.8h, v2.8h, v13.8h\n"
    "ldr q13, [x9, x16]\n"
    "fmla v25.8h, v3.8h, v12.8h\n"
    "fmla v28.8h, v6.8h, v12.8h\n"
    "ldr q12, [x12, x16]\n"
    "fmla v27.8h, v7.8h, v10.8h\n"
    "fmla v26.8h, v6.8h, v10.8h\n"
    "fmla v25.8h, v5.8h, v10.8h\n"
    "fmla v28.8h, v8.8h, v10.8h\n"
    "fmla v24.8h, v4.8h, v10.8h\n"
    "fmla v23.8h, v3.8h, v10.8h\n"
    "fmla v26.8h, v8.8h, v11.8h\n"
    "fmla v25.8h, v7.8h, v13.8h\n"
    "fmla v24.8h, v6.8h, v13.8h\n"
    "ldr q13, [x9, x27]\n"
    "fmla v23.8h, v5.8h, v11.8h\n"
    "ldr q11, [x12, x27]\n"
    "add x12, x12, #0x10\n"
    "fmla v31.8h, v4.8h, v12.8h\n"
    "fmla v30.8h, v3.8h, v12.8h\n"
    "fmla v28.8h, v1.8h, v12.8h\n"
    "fmla v27.8h, v0.8h, v12.8h\n"
    "ldr q12, [x10, x16]\n"
    "fmla v29.8h, v4.8h, v11.8h\n"
    "fmla v30.8h, v5.8h, v11.8h\n"
    "fmla v26.8h, v1.8h, v11.8h\n"
    "fmla v27.8h, v2.8h, v11.8h\n"
    "ldr q11, [x15, x28]\n"
    "add x15, x15, #0x10\n"
    "fmla v24.8h, v8.8h, v13.8h\n"
    "ld1 { v10.8h }, [x15]\n"
    "fmla v23.8h, v7.8h, v13.8h\n"
    "ldr q13, [x10, x27]\n"
    "add x10, x10, #0x10\n"
    "fmla v28.8h, v7.8h, v12.8h\n"
    "fmla v27.8h, v6.8h, v12.8h\n"
    "fmla v25.8h, v4.8h, v12.8h\n"
    "fmla v24.8h, v3.8h, v12.8h\n"
    "ld1 { v12.8h }, [x11]\n"
    "fmla v31.8h, v2.8h, v11.8h\n"
    "fmla v30.8h, v1.8h, v11.8h\n"
    "ldr q1, [x17, #0x20]\n"
    "fmla v29.8h, v0.8h, v11.8h\n"
    "ldr q11, [x11, x26]\n"
    "add x11, x11, #0x10\n"
    "fmla v27.8h, v8.8h, v13.8h\n"
    "ldr q9, [x11, x28]\n"
    "fmla v26.8h, v7.8h, v13.8h\n"
    "fmla v24.8h, v5.8h, v13.8h\n"
    "fmla v23.8h, v4.8h, v13.8h\n"
    "ldr q13, [x9, x28]\n"
    "add x9, x9, #0x10\n"
    "fmla v31.8h, v6.8h, v12.8h\n"
    "ldr q4, [x17, #0x50]\n"
    "fmla v28.8h, v3.8h, v12.8h\n"
    "ldr q3, [x17, #0x40]\n"
    "fmla v25.8h, v0.8h, v12.8h\n"
    "ld1 { v12.8h }, [x9]\n"
    "fmla v29.8h, v8.8h, v11.8h\n"
    "ldr q0, [x17, #0x10]\n"
    "fmla v26.8h, v5.8h, v11.8h\n"
    "ldr q5, [x17, #0x60]\n"
    "fmla v23.8h, v2.8h, v11.8h\n"
    "ldr q11, [x15, x26]\n"
    "fmla v25.8h, v8.8h, v13.8h\n"
    "ldr q2, [x17, #0x30]\n"
    "fmla v24.8h, v7.8h, v13.8h\n"
    "ldr q7, [x17, #0x80]\n"
    "fmax v31.8h, v31.8h, v18.8h\n"
    "ldr q8, [x17, #0x90]\n"
    "fmla v23.8h, v6.8h, v13.8h\n"
    "ldr q13, [x12, x28]\n"
    "fmax v30.8h, v30.8h, v18.8h\n"
    "ldr q6, [x17, #0x70]\n"
    "add x17, x17, #0xa0\n"
    "fmin v31.8h, v31.8h, v17.8h\n"
    "st1 { v31.8h }, [x13]\n"
    "fmin v30.8h, v30.8h, v17.8h\n"
    "fmax v29.8h, v29.8h, v18.8h\n"
    "str q30, [x13, x14]\n"
    "fmin v29.8h, v29.8h, v17.8h\n"
    "fmax v28.8h, v28.8h, v18.8h\n"
    "str q29, [x13, x22]\n"
    "fmin v28.8h, v28.8h, v17.8h\n"
    "add x13, x13, #0x10\n"
    "fmax v27.8h, v27.8h, v18.8h\n"
    "st1 { v28.8h }, [x25]\n"
    "fmax v26.8h, v26.8h, v18.8h\n"
    "fmax v25.8h, v25.8h, v18.8h\n"
    "fmin v27.8h, v27.8h, v17.8h\n"
    "str q27, [x25, x14]\n"
    "fmin v26.8h, v26.8h, v17.8h\n"
    "fmin v25.8h, v25.8h, v17.8h\n"
    "str q26, [x25, x22]\n"
    "fmax v24.8h, v24.8h, v18.8h\n"
    "add x25, x25, #0x10\n"
    "fmax v23.8h, v23.8h, v18.8h\n"
    "st1 { v25.8h }, [x24]\n"
    "fmin v24.8h, v24.8h, v17.8h\n"
    "str q24, [x24, x14]\n"
    "fmin v23.8h, v23.8h, v17.8h\n"
    "str q23, [x24, x22]\n"
    "add x24, x24, #0x10\n"
    "blt 2b\n"
    "3:"  // Tile loop: Channel tail
    "mov v31.16b, v16.16b\n fmla v31.8h, v8.8h, v9.8h\n"
    "mov v30.16b, v16.16b\n fmla v30.8h, v7.8h, v9.8h\n"
    "mov v29.16b, v16.16b\n fmla v29.8h, v6.8h, v9.8h\n"
    "mov v28.16b, v16.16b\n fmla v28.8h, v5.8h, v9.8h\n"
    "mov v27.16b, v16.16b\n fmla v27.8h, v4.8h, v9.8h\n"
    "mov v26.16b, v16.16b\n fmla v26.8h, v3.8h, v9.8h\n"
    "mov v25.16b, v16.16b\n fmla v25.8h, v2.8h, v9.8h\n"
    "mov v24.16b, v16.16b\n fmla v24.8h, v1.8h, v9.8h\n"
    "mov v23.16b, v16.16b\n fmla v23.8h, v0.8h, v9.8h\n"
    "fmla v31.8h, v0.8h, v10.8h\n"
    "ldr q10, [x11, x27]\n"
    "fmla v29.8h, v2.8h, v11.8h\n"
    "ldr q11, [x11, x16]\n"
    "fmla v25.8h, v6.8h, v12.8h\n"
    "ldr q12, [x9, x26]\n"
    "fmla v30.8h, v4.8h, v13.8h\n"
    "fmla v31.8h, v5.8h, v13.8h\n"
    "fmla v29.8h, v3.8h, v13.8h\n"
    "fmla v28.8h, v2.8h, v13.8h\n"
    "fmla v27.8h, v1.8h, v13.8h\n"
    "fmla v26.8h, v0.8h, v13.8h\n"
    "ldr q13, [x15, x16]\n"
    "fmla v23.8h, v8.8h, v12.8h\n"
    "ldr q12, [x15, x27]\n"
    "fmla v31.8h, v7.8h, v11.8h\n"
    "fmla v30.8h, v6.8h, v11.8h\n"
    "fmla v28.8h, v4.8h, v11.8h\n"
    "fmla v27.8h, v3.8h, v11.8h\n"
    "fmla v25.8h, v1.8h, v11.8h\n"
    "fmla v24.8h, v0.8h, v11.8h\n"
    "ld1 { v11.8h }, [x12]\n"
    "fmla v31.8h, v1.8h, v13.8h\n"
    "fmla v30.8h, v0.8h, v13.8h\n"
    "ldr q13, [x12, x26]\n"
    "fmla v29.8h, v1.8h, v12.8h\n"
    "fmla v27.8h, v5.8h, v10.8h\n"
    "fmla v26.8h, v4.8h, v10.8h\n"
    "fmla v30.8h, v2.8h, v12.8h\n"
    "ld1 { v12.8h }, [x10]\n"
    "fmla v29.8h, v7.8h, v10.8h\n"
    "fmla v24.8h, v2.8h, v10.8h\n"
    "fmla v23.8h, v1.8h, v10.8h\n"
    "fmla v30.8h, v8.8h, v10.8h\n"
    "ldr q10, [x10, x28]\n"
    "fmla v31.8h, v3.8h, v11.8h\n"
    "fmla v28.8h, v0.8h, v11.8h\n"
    "ldr q11, [x10, x26]\n"
    "fmla v29.8h, v5.8h, v13.8h\n"
    "fmla v26.8h, v2.8h, v13.8h\n"
    "ldr q13, [x9, x16]\n"
    "fmla v25.8h, v3.8h, v12.8h\n"
    "fmla v28.8h, v6.8h, v12.8h\n"
    "ldr q12, [x12, x16]\n"
    "fmla v27.8h, v7.8h, v10.8h\n"
    "fmla v26.8h, v6.8h, v10.8h\n"
    "fmla v25.8h, v5.8h, v10.8h\n"
    "fmla v28.8h, v8.8h, v10.8h\n"
    "fmla v24.8h, v4.8h, v10.8h\n"
    "fmla v23.8h, v3.8h, v10.8h\n"
    "fmla v26.8h, v8.8h, v11.8h\n"
    "fmla v25.8h, v7.8h, v13.8h\n"
    "fmla v24.8h, v6.8h, v13.8h\n"
    "ldr q13, [x9, x27]\n"
    "fmla v23.8h, v5.8h, v11.8h\n"
    "ldr q11, [x12, x27]\n"
    "add x12, x12, #0x10\n"
    "fmla v31.8h, v4.8h, v12.8h\n"
    "fmla v30.8h, v3.8h, v12.8h\n"
    "fmla v28.8h, v1.8h, v12.8h\n"
    "fmla v27.8h, v0.8h, v12.8h\n"
    "ldr q12, [x10, x16]\n"
    "fmla v29.8h, v4.8h, v11.8h\n"
    "fmla v30.8h, v5.8h, v11.8h\n"
    "fmla v26.8h, v1.8h, v11.8h\n"
    "fmla v27.8h, v2.8h, v11.8h\n"
    "ldr q11, [x15, x28]\n"
    "add x15, x15, #0x10\n"
    "fmla v24.8h, v8.8h, v13.8h\n"
    "fmla v23.8h, v7.8h, v13.8h\n"
    "ldr q13, [x10, x27]\n"
    "add x10, x10, #0x10\n"
    "fmla v28.8h, v7.8h, v12.8h\n"
    "fmla v27.8h, v6.8h, v12.8h\n"
    "fmla v25.8h, v4.8h, v12.8h\n"
    "fmla v24.8h, v3.8h, v12.8h\n"
    "ld1 { v12.8h }, [x11]\n"
    "fmla v31.8h, v2.8h, v11.8h\n"
    "fmla v30.8h, v1.8h, v11.8h\n"
    "fmla v29.8h, v0.8h, v11.8h\n"
    "ldr q11, [x11, x26]\n"
    "add x11, x11, #0x10\n"
    "fmla v27.8h, v8.8h, v13.8h\n"
    "fmla v26.8h, v7.8h, v13.8h\n"
    "fmla v24.8h, v5.8h, v13.8h\n"
    "fmla v23.8h, v4.8h, v13.8h\n"
    "ldr q13, [x9, x28]\n"
    "add x9, x9, #0x10\n"
    "fmla v31.8h, v6.8h, v12.8h\n"
    "fmla v28.8h, v3.8h, v12.8h\n"
    "fmla v25.8h, v0.8h, v12.8h\n"
    "fmla v29.8h, v8.8h, v11.8h\n"
    "fmla v26.8h, v5.8h, v11.8h\n"
    "fmla v23.8h, v2.8h, v11.8h\n"
    "fmla v25.8h, v8.8h, v13.8h\n"
    "fmla v24.8h, v7.8h, v13.8h\n"
    "fmax v31.8h, v31.8h, v18.8h\n"
    "fmla v23.8h, v6.8h, v13.8h\n"
    "fmax v30.8h, v30.8h, v18.8h\n"
    "fmin v31.8h, v31.8h, v17.8h\n"
    "st1 { v31.8h }, [x13]\n"
    "fmin v30.8h, v30.8h, v17.8h\n"
    "fmax v29.8h, v29.8h, v18.8h\n"
    "str q30, [x13, x14]\n"
    "fmin v29.8h, v29.8h, v17.8h\n"
    "fmax v28.8h, v28.8h, v18.8h\n"
    "str q29, [x13, x22]\n"
    "fmin v28.8h, v28.8h, v17.8h\n"
    "add x13, x13, #0x10\n"
    "fmax v27.8h, v27.8h, v18.8h\n"
    "st1 { v28.8h }, [x25]\n"
    "fmax v26.8h, v26.8h, v18.8h\n"
    "fmax v25.8h, v25.8h, v18.8h\n"
    "fmin v27.8h, v27.8h, v17.8h\n"
    "str q27, [x25, x14]\n"
    "fmin v26.8h, v26.8h, v17.8h\n"
    "fmin v25.8h, v25.8h, v17.8h\n"
    "str q26, [x25, x22]\n"
    "fmax v24.8h, v24.8h, v18.8h\n"
    "add x25, x25, #0x10\n"
    "fmax v23.8h, v23.8h, v18.8h\n"
    "st1 { v25.8h }, [x24]\n"
    "fmin v24.8h, v24.8h, v17.8h\n"
    "str q24, [x24, x14]\n"
    "fmin v23.8h, v23.8h, v17.8h\n"
    "str q23, [x24, x22]\n"
    "add x24, x24, #0x10\n"
    "4:"  // Tile loop: Oddments
    "tst %x[n_channels], #0x1\n"
    "beq 49f\n"
    "ldr q16, [x17, #0x0]\n"
    "ldr q0, [x17, #0x10]\n"
    "add x23, x11, x28\n"
    "ldr q1, [x17, #0x20]\n"
    "add x22, x15, XZR\n"
    "ldr q2, [x17, #0x30]\n"
    "add x21, x15, x26\n"
    "ldr q3, [x17, #0x40]\n"
    "add x20, x9, XZR\n"
    "ldr q4, [x17, #0x50]\n"
    "add x19, x12, x28\n"
    "ldr q5, [x17, #0x60]\n"
    "ldr q6, [x17, #0x70]\n"
    "ldr q7, [x17, #0x80]\n"
    "ldr q8, [x17, #0x90]\n"
    "tbz %x[n_channels], #1, 5f\n"
    "ldr s9, [x23], #0x4\n"
    "ldr s10, [x22], #0x4\n"
    "ldr s11, [x21], #0x4\n"
    "ldr s12, [x20], #0x4\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 6f\n"
    "ld1 { v9.h }[2], [x23]\n"
    "ld1 { v10.h }[2], [x22]\n"
    "ld1 { v11.h }[2], [x21]\n"
    "ld1 { v12.h }[2], [x20]\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 6f\n"
    "5:"  // Tile loop: Oddments: Load inputs: (2, 2), (0, 0), (0, 4), (4, 0), (1, 2): Bit 1: Unset
    "ldr h9, [x23, #0x0]\n"
    "ldr h10, [x22, #0x0]\n"
    "ldr h11, [x21, #0x0]\n"
    "ldr h12, [x20, #0x0]\n"
    "ldr h13, [x19, #0x0]\n"
    "6:"  // Tile loop: Oddments: Load inputs: (2, 2), (0, 0), (0, 4), (4, 0), (1, 2): Bit 1: End
    "mov v31.16b, v16.16b\n fmla v31.8h, v8.8h, v9.8h\n"
    "add x19, x9, x26\n"
    "mov v30.16b, v16.16b\n fmla v30.8h, v7.8h, v9.8h\n"
    "mov v29.16b, v16.16b\n fmla v29.8h, v6.8h, v9.8h\n"
    "mov v28.16b, v16.16b\n fmla v28.8h, v5.8h, v9.8h\n"
    "mov v27.16b, v16.16b\n fmla v27.8h, v4.8h, v9.8h\n"
    "mov v26.16b, v16.16b\n fmla v26.8h, v3.8h, v9.8h\n"
    "mov v25.16b, v16.16b\n fmla v25.8h, v2.8h, v9.8h\n"
    "mov v24.16b, v16.16b\n fmla v24.8h, v1.8h, v9.8h\n"
    "mov v23.16b, v16.16b\n fmla v23.8h, v0.8h, v9.8h\n"
    "fmla v31.8h, v0.8h, v10.8h\n"
    "fmla v29.8h, v2.8h, v11.8h\n"
    "fmla v25.8h, v6.8h, v12.8h\n"
    "fmla v30.8h, v4.8h, v13.8h\n"
    "fmla v31.8h, v5.8h, v13.8h\n"
    "fmla v29.8h, v3.8h, v13.8h\n"
    "fmla v28.8h, v2.8h, v13.8h\n"
    "fmla v27.8h, v1.8h, v13.8h\n"
    "fmla v26.8h, v0.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 7f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 8f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 8f\n"
    "7:"  // Tile loop: Oddments: Load inputs: (4, 4): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "8:"  // Tile loop: Oddments: Load inputs: (4, 4): Bit 1: End
    "fmla v23.8h, v8.8h, v12.8h\n"
    "add x19, x11, x16\n"
    "tbz %x[n_channels], #1, 9f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 10f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 10f\n"
    "9:"  // Tile loop: Oddments: Load inputs: (2, 1): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "10:"  // Tile loop: Oddments: Load inputs: (2, 1): Bit 1: End
    "fmla v31.8h, v7.8h, v11.8h\n"
    "add x19, x15, x16\n"
    "fmla v30.8h, v6.8h, v11.8h\n"
    "fmla v28.8h, v4.8h, v11.8h\n"
    "fmla v27.8h, v3.8h, v11.8h\n"
    "fmla v25.8h, v1.8h, v11.8h\n"
    "fmla v24.8h, v0.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 11f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 12f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 12f\n"
    "11:"  // Tile loop: Oddments: Load inputs: (0, 1): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "12:"  // Tile loop: Oddments: Load inputs: (0, 1): Bit 1: End
    "fmla v31.8h, v1.8h, v13.8h\n"
    "add x19, x15, x27\n"
    "fmla v30.8h, v0.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 13f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 14f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 14f\n"
    "13:"  // Tile loop: Oddments: Load inputs: (0, 3): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "14:"  // Tile loop: Oddments: Load inputs: (0, 3): Bit 1: End
    "fmla v30.8h, v2.8h, v12.8h\n"
    "add x19, x11, x27\n"
    "fmla v29.8h, v1.8h, v12.8h\n"
    "tbz %x[n_channels], #1, 15f\n"
    "ldr s10, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 16f\n"
    "ld1 { v10.h }[2], [x19]\n"
    "b 16f\n"
    "15:"  // Tile loop: Oddments: Load inputs: (2, 3): Bit 1: Unset
    "ldr h10, [x19, #0x0]\n"
    "16:"  // Tile loop: Oddments: Load inputs: (2, 3): Bit 1: End
    "fmla v30.8h, v8.8h, v10.8h\n"
    "add x19, x12, XZR\n"
    "fmla v29.8h, v7.8h, v10.8h\n"
    "fmla v27.8h, v5.8h, v10.8h\n"
    "fmla v26.8h, v4.8h, v10.8h\n"
    "fmla v24.8h, v2.8h, v10.8h\n"
    "fmla v23.8h, v1.8h, v10.8h\n"
    "tbz %x[n_channels], #1, 17f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 18f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 18f\n"
    "17:"  // Tile loop: Oddments: Load inputs: (1, 0): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "18:"  // Tile loop: Oddments: Load inputs: (1, 0): Bit 1: End
    "fmla v31.8h, v3.8h, v11.8h\n"
    "add x19, x12, x26\n"
    "fmla v28.8h, v0.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 19f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 20f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 20f\n"
    "19:"  // Tile loop: Oddments: Load inputs: (1, 4): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "20:"  // Tile loop: Oddments: Load inputs: (1, 4): Bit 1: End
    "fmla v29.8h, v5.8h, v13.8h\n"
    "add x19, x10, XZR\n"
    "fmla v26.8h, v2.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 21f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 22f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 22f\n"
    "21:"  // Tile loop: Oddments: Load inputs: (3, 0): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "22:"  // Tile loop: Oddments: Load inputs: (3, 0): Bit 1: End
    "fmla v28.8h, v6.8h, v12.8h\n"
    "add x19, x10, x28\n"
    "fmla v25.8h, v3.8h, v12.8h\n"
    "tbz %x[n_channels], #1, 23f\n"
    "ldr s10, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 24f\n"
    "ld1 { v10.h }[2], [x19]\n"
    "b 24f\n"
    "23:"  // Tile loop: Oddments: Load inputs: (3, 2): Bit 1: Unset
    "ldr h10, [x19, #0x0]\n"
    "24:"  // Tile loop: Oddments: Load inputs: (3, 2): Bit 1: End
    "fmla v28.8h, v8.8h, v10.8h\n"
    "add x19, x10, x26\n"
    "fmla v27.8h, v7.8h, v10.8h\n"
    "fmla v26.8h, v6.8h, v10.8h\n"
    "fmla v25.8h, v5.8h, v10.8h\n"
    "fmla v24.8h, v4.8h, v10.8h\n"
    "fmla v23.8h, v3.8h, v10.8h\n"
    "tbz %x[n_channels], #1, 25f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 26f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 26f\n"
    "25:"  // Tile loop: Oddments: Load inputs: (3, 4): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "26:"  // Tile loop: Oddments: Load inputs: (3, 4): Bit 1: End
    "fmla v26.8h, v8.8h, v11.8h\n"
    "add x19, x9, x16\n"
    "fmla v23.8h, v5.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 27f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 28f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 28f\n"
    "27:"  // Tile loop: Oddments: Load inputs: (4, 1): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "28:"  // Tile loop: Oddments: Load inputs: (4, 1): Bit 1: End
    "fmla v25.8h, v7.8h, v13.8h\n"
    "add x19, x12, x16\n"
    "fmla v24.8h, v6.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 29f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 30f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 30f\n"
    "29:"  // Tile loop: Oddments: Load inputs: (1, 1): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "30:"  // Tile loop: Oddments: Load inputs: (1, 1): Bit 1: End
    "fmla v31.8h, v4.8h, v12.8h\n"
    "add x19, x12, x27\n"
    "fmla v30.8h, v3.8h, v12.8h\n"
    "fmla v28.8h, v1.8h, v12.8h\n"
    "fmla v27.8h, v0.8h, v12.8h\n"
    "tbz %x[n_channels], #1, 31f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 32f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 32f\n"
    "31:"  // Tile loop: Oddments: Load inputs: (1, 3): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "32:"  // Tile loop: Oddments: Load inputs: (1, 3): Bit 1: End
    "fmla v30.8h, v5.8h, v11.8h\n"
    "add x19, x9, x27\n"
    "fmla v29.8h, v4.8h, v11.8h\n"
    "fmla v27.8h, v2.8h, v11.8h\n"
    "fmla v26.8h, v1.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 33f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 34f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 34f\n"
    "33:"  // Tile loop: Oddments: Load inputs: (4, 3): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "34:"  // Tile loop: Oddments: Load inputs: (4, 3): Bit 1: End
    "fmla v24.8h, v8.8h, v13.8h\n"
    "add x19, x10, x16\n"
    "fmla v23.8h, v7.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 35f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 36f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 36f\n"
    "35:"  // Tile loop: Oddments: Load inputs: (3, 1): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "36:"  // Tile loop: Oddments: Load inputs: (3, 1): Bit 1: End
    "fmla v28.8h, v7.8h, v12.8h\n"
    "add x19, x15, x28\n"
    "fmla v27.8h, v6.8h, v12.8h\n"
    "fmla v25.8h, v4.8h, v12.8h\n"
    "fmla v24.8h, v3.8h, v12.8h\n"
    "tbz %x[n_channels], #1, 37f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 38f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 38f\n"
    "37:"  // Tile loop: Oddments: Load inputs: (0, 2): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "38:"  // Tile loop: Oddments: Load inputs: (0, 2): Bit 1: End
    "fmla v31.8h, v2.8h, v11.8h\n"
    "add x19, x10, x27\n"
    "fmla v30.8h, v1.8h, v11.8h\n"
    "fmla v29.8h, v0.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 39f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 40f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 40f\n"
    "39:"  // Tile loop: Oddments: Load inputs: (3, 3): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "40:"  // Tile loop: Oddments: Load inputs: (3, 3): Bit 1: End
    "fmla v27.8h, v8.8h, v13.8h\n"
    "add x19, x11, XZR\n"
    "fmla v26.8h, v7.8h, v13.8h\n"
    "fmla v24.8h, v5.8h, v13.8h\n"
    "fmla v23.8h, v4.8h, v13.8h\n"
    "tbz %x[n_channels], #1, 41f\n"
    "ldr s12, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 42f\n"
    "ld1 { v12.h }[2], [x19]\n"
    "b 42f\n"
    "41:"  // Tile loop: Oddments: Load inputs: (2, 0): Bit 1: Unset
    "ldr h12, [x19, #0x0]\n"
    "42:"  // Tile loop: Oddments: Load inputs: (2, 0): Bit 1: End
    "fmla v31.8h, v6.8h, v12.8h\n"
    "add x19, x11, x26\n"
    "fmla v28.8h, v3.8h, v12.8h\n"
    "fmla v25.8h, v0.8h, v12.8h\n"
    "tbz %x[n_channels], #1, 43f\n"
    "ldr s11, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 44f\n"
    "ld1 { v11.h }[2], [x19]\n"
    "b 44f\n"
    "43:"  // Tile loop: Oddments: Load inputs: (2, 4): Bit 1: Unset
    "ldr h11, [x19, #0x0]\n"
    "44:"  // Tile loop: Oddments: Load inputs: (2, 4): Bit 1: End
    "fmla v29.8h, v8.8h, v11.8h\n"
    "add x19, x9, x28\n"
    "fmla v26.8h, v5.8h, v11.8h\n"
    "fmla v23.8h, v2.8h, v11.8h\n"
    "tbz %x[n_channels], #1, 45f\n"
    "ldr s13, [x19], #0x4\n"
    "tbz %x[n_channels], #0, 46f\n"
    "ld1 { v13.h }[2], [x19]\n"
    "b 46f\n"
    "45:"  // Tile loop: Oddments: Load inputs: (4, 2): Bit 1: Unset
    "ldr h13, [x19, #0x0]\n"
    "46:"  // Tile loop: Oddments: Load inputs: (4, 2): Bit 1: End
    "fmla v25.8h, v8.8h, v13.8h\n"
    "fmla v24.8h, v7.8h, v13.8h\n"
    "fmla v23.8h, v6.8h, v13.8h\n"
    "fmax v31.8h, v31.8h, v18.8h\n"
    "fmax v30.8h, v30.8h, v18.8h\n"
    "fmax v29.8h, v29.8h, v18.8h\n"
    "fmin v31.8h, v31.8h, v17.8h\n"
    "fmin v30.8h, v30.8h, v17.8h\n"
    "fmin v29.8h, v29.8h, v17.8h\n"
    "fmax v28.8h, v28.8h, v18.8h\n"
    "fmax v27.8h, v27.8h, v18.8h\n"
    "fmax v26.8h, v26.8h, v18.8h\n"
    "fmin v28.8h, v28.8h, v17.8h\n"
    "fmin v27.8h, v27.8h, v17.8h\n"
    "fmin v26.8h, v26.8h, v17.8h\n"
    "fmax v25.8h, v25.8h, v18.8h\n"
    "fmax v24.8h, v24.8h, v18.8h\n"
    "fmax v23.8h, v23.8h, v18.8h\n"
    "fmin v25.8h, v25.8h, v17.8h\n"
    "fmin v24.8h, v24.8h, v17.8h\n"
    "fmin v23.8h, v23.8h, v17.8h\n"
    "tbz %x[n_channels], #1, 47f\n"
    "mov x19, x13\n"
    "st1 { v31.s }[0], [x19], x14\n"
    "add x13, x13, #0x4\n"
    "st1 { v30.s }[0], [x19], x14\n"
    "mov x20, x25\n"
    "st1 { v29.s }[0], [x19]\n"
    "st1 { v28.s }[0], [x20], x14\n"
    "add x25, x25, #0x4\n"
    "st1 { v27.s }[0], [x20], x14\n"
    "mov x19, x24\n"
    "st1 { v26.s }[0], [x20]\n"
    "add x24, x24, #0x4\n"
    "st1 { v25.s }[0], [x19], x14\n"
    "st1 { v24.s }[0], [x19], x14\n"
    "st1 { v23.s }[0], [x19]\n"
    "tbz %x[n_channels], #0, 48f\n"
    "mov x21, x13\n"
    "st1 { v31.h }[2], [x21], x14\n"
    "mov x20, x25\n"
    "st1 { v30.h }[2], [x21], x14\n"
    "st1 { v28.h }[2], [x20], x14\n"
    "mov x19, x24\n"
    "st1 { v29.h }[2], [x21]\n"
    "st1 { v27.h }[2], [x20], x14\n"
    "st1 { v26.h }[2], [x20]\n"
    "st1 { v25.h }[2], [x19], x14\n"
    "st1 { v24.h }[2], [x19], x14\n"
    "st1 { v23.h }[2], [x19]\n"
    "b 48f\n"
    "47:"  // Tile loop: Oddments: Store: Bit 1: Unset
    "mov x21, x13\n"
    "st1 { v31.h }[0], [x21], x14\n"
    "mov x20, x25\n"
    "mov x19, x24\n"
    "st1 { v30.h }[0], [x21], x14\n"
    "st1 { v28.h }[0], [x20], x14\n"
    "st1 { v29.h }[0], [x21]\n"
    "st1 { v27.h }[0], [x20], x14\n"
    "st1 { v26.h }[0], [x20]\n"
    "st1 { v25.h }[0], [x19], x14\n"
    "st1 { v24.h }[0], [x19], x14\n"
    "st1 { v23.h }[0], [x19]\n"
    "48:"  // Tile loop: Oddments: Store: Bit 1: End

    "49:"  // Tile loop: End
    "ldr x7, [%x[params_struct], %[offsetof_args_tile_i]]\n"
    "add x21, x7, #0x1\n"
    "ldr x8, [%x[params_struct], %[offsetof_args_tile_j]]\n"
    "ldr x20, [%x[params_struct], %[offsetof_args_n_tile_rows]]\n"
    "add x8, x8, #0x1\n"
    "ldr x19, [%x[params_struct], %[offsetof_args_n_tile_cols]]\n"
    "cmp x8, x19\n"
    "csel x8, x8, XZR, LT\n"
    "csel x7, x7, x21, LT\n"
    "cmp x7, x20\n"
    "blt 1b\n"
    :
    : [n_channels] "r" ((unsigned long) n_channels), [offsetof_args_inptr] "I" (offsetof(Args, inptr)), [offsetof_args_ld_input_col] "I" (offsetof(Args, ld_input_col)), [offsetof_args_ld_input_row] "I" (offsetof(Args, ld_input_row)), [offsetof_args_ld_output_col] "I" (offsetof(Args, ld_output_col)), [offsetof_args_ld_output_row] "I" (offsetof(Args, ld_output_row)), [offsetof_args_max] "I" (offsetof(Args, max)), [offsetof_args_min] "I" (offsetof(Args, min)), [offsetof_args_n_tile_cols] "I" (offsetof(Args, n_tile_cols)), [offsetof_args_n_tile_rows] "I" (offsetof(Args, n_tile_rows)), [offsetof_args_outptr] "I" (offsetof(Args, outptr)), [offsetof_args_params] "I" (offsetof(Args, params)), [offsetof_args_tile_i] "I" (offsetof(Args, tile_i)), [offsetof_args_tile_j] "I" (offsetof(Args, tile_j)), [params_struct] "r" (&params_struct)
    : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v16", "v17", "v18", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
  );
}

}  // namespace depthwise
}  // namespace arm_conv

#endif  // defined(__ARM_FP16_ARGS) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)