src/core/NEON/kernels/arm_gemm/indirect-interleaves/a64_interleave8_block8_u8_u8_summing.hpp

/*
 * Copyright (c) 2019-2021, 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.
 */

#ifdef __aarch64__

template<>
void interleave_block<8, 8, VLType::None, true>(
  uint8_t * &out_ptr, const uint8_t * const * in, size_t width, size_t height,
  size_t row_offset, bool first
)
{
  __asm__ __volatile__(
      "ldr x28, [%x[in], #0x0]\n"
      "ldr x27, [%x[in], #0x8]\n"
      "cmp %x[height], #0x8\n"
      "mov x20, #0x0\n"
      "ldr x26, [%x[in], #0x10]\n"
      "ldr x25, [%x[in], #0x18]\n"
      "movi v5.8h, #0x0\n"
      "movi v4.8h, #0x0\n"
      "ldr x24, [%x[in], #0x20]\n"
      "ldr x23, [%x[in], #0x28]\n"
      "movi v3.8h, #0x0\n"
      "movi v2.8h, #0x0\n"
      "ldr x22, [%x[in], #0x30]\n"
      "ldr x21, [%x[in], #0x38]\n"
      "movi v1.4s, #0x0\n"
      "movi v0.4s, #0x0\n"
      "movi v31.4s, #0x0\n"
      "movi v30.4s, #0x0\n"
      "add x28, x28, %x[row_offset]\n"
      "add x27, x27, %x[row_offset]\n"
      "add x26, x26, %x[row_offset]\n"
      "add x25, x25, %x[row_offset]\n"
      "add x24, x24, %x[row_offset]\n"
      "add x23, x23, %x[row_offset]\n"
      "add x22, x22, %x[row_offset]\n"
      "add x21, x21, %x[row_offset]\n"
      "beq 1f\n"
      "cmp %x[height], #0x2\n"
      "csel x27, x27, x28, GE\n"
      "csel x26, x26, x28, GT\n"
      "cmp %x[height], #0x4\n"
      "csel x25, x25, x28, GE\n"
      "csel x24, x24, x28, GT\n"
      "cmp %x[height], #0x6\n"
      "mov x21, x28\n"
      "csel x23, x23, x28, GE\n"
      "csel x22, x22, x28, GT\n"
      "1:"  // no_pointer_adj
      "prfm pldl1keep, [x28, #0x0]\n"
      "prfm pldl1keep, [x27, #0x0]\n"
      "movi v29.4s, #0x0\n"
      "movi v28.4s, #0x0\n"
      "prfm pldl1keep, [x26, #0x0]\n"
      "prfm pldl1keep, [x25, #0x0]\n"
      "prfm pldl1keep, [x24, #0x0]\n"
      "prfm pldl1keep, [x23, #0x0]\n"
      "prfm pldl1keep, [x22, #0x0]\n"
      "prfm pldl1keep, [x21, #0x0]\n"
      "prfm pldl1keep, [x28, #0x40]\n"
      "prfm pldl1keep, [x27, #0x40]\n"
      "prfm pldl1keep, [x26, #0x40]\n"
      "prfm pldl1keep, [x25, #0x40]\n"
      "prfm pldl1keep, [x24, #0x40]\n"
      "prfm pldl1keep, [x23, #0x40]\n"
      "prfm pldl1keep, [x22, #0x40]\n"
      "prfm pldl1keep, [x21, #0x40]\n"
      "cbnz %w[first], 2f\n"
      "sub %x[out_ptr], %x[out_ptr], #0x20\n"
      "ld1 { v29.4s }, [%x[out_ptr]]\n"
      "ldr q28, [%x[out_ptr], #0x10]\n"
      "2:"  // first_pass
      "cmp %x[width], #0x10\n"
      "blt 5f\n"
      "3:"  // Main loop head
      "cmp x20, #0x3e\n"
      "ble 4f\n"
      "uadalp v1.4s, v5.8h\n"
      "movi v5.8h, #0x0\n"
      "mov x20, #0x0\n"
      "uadalp v0.4s, v4.8h\n"
      "movi v4.8h, #0x0\n"
      "uadalp v31.4s, v3.8h\n"
      "movi v3.8h, #0x0\n"
      "uadalp v30.4s, v2.8h\n"
      "movi v2.8h, #0x0\n"
      "4:"  // no_accumulate_16
      "ldr q27, [x28], #0x10\n"
      "ldr q19, [x27], #0x10\n"
      "zip1 v26.2d, v27.2d, v19.2d\n"
      "uadalp v5.8h, v26.16b\n"
      "ldr q25, [x26], #0x10\n"
      "ldr q18, [x25], #0x10\n"
      "zip1 v24.2d, v25.2d, v18.2d\n"
      "uadalp v4.8h, v24.16b\n"
      "ldr q23, [x24], #0x10\n"
      "ldr q17, [x23], #0x10\n"
      "zip1 v22.2d, v23.2d, v17.2d\n"
      "uadalp v3.8h, v22.16b\n"
      "ldr q21, [x22], #0x10\n"
      "ldr q16, [x21], #0x10\n"
      "zip1 v20.2d, v21.2d, v16.2d\n"
      "uadalp v2.8h, v20.16b\n"
      "zip2 v19.2d, v27.2d, v19.2d\n"
      "zip2 v18.2d, v25.2d, v18.2d\n"
      "subs %x[width], %x[width], #0x10\n"
      "cmp %x[width], #0x10\n"
      "zip2 v17.2d, v23.2d, v17.2d\n"
      "zip2 v16.2d, v21.2d, v16.2d\n"
      "prfm pldl1keep, [x28, #0x70]\n"
      "prfm pldl1keep, [x27, #0x70]\n"
      "prfm pldl1keep, [x26, #0x70]\n"
      "prfm pldl1keep, [x25, #0x70]\n"
      "str q26, [%x[out_ptr], #0x0]\n"
      "uadalp v5.8h, v19.16b\n"
      "prfm pldl1keep, [x24, #0x70]\n"
      "prfm pldl1keep, [x23, #0x70]\n"
      "str q24, [%x[out_ptr], #0x10]\n"
      "uadalp v4.8h, v18.16b\n"
      "prfm pldl1keep, [x22, #0x70]\n"
      "prfm pldl1keep, [x21, #0x70]\n"
      "str q22, [%x[out_ptr], #0x20]\n"
      "uadalp v3.8h, v17.16b\n"
      "str q20, [%x[out_ptr], #0x30]\n"
      "uadalp v2.8h, v16.16b\n"
      "add x20, x20, #0x1\n"
      "str q19, [%x[out_ptr], #0x40]\n"
      "str q18, [%x[out_ptr], #0x50]\n"
      "str q17, [%x[out_ptr], #0x60]\n"
      "str q16, [%x[out_ptr], #0x70]\n"
      "add %x[out_ptr], %x[out_ptr], #0x80\n"
      "bge 3b\n"
      "5:"  // Main loop skip
      "cbz %x[width], 14f\n"
      "tbz %x[width], #3, 9f\n"
      "ldr d27, [x28], #0x8\n"
      "ldr d26, [x27], #0x8\n"
      "ldr d25, [x26], #0x8\n"
      "ldr d24, [x25], #0x8\n"
      "ldr d23, [x24], #0x8\n"
      "ldr d22, [x23], #0x8\n"
      "ldr d21, [x22], #0x8\n"
      "ldr d20, [x21], #0x8\n"
      "tbz %x[width], #2, 7f\n"
      "ld1 { v27.s }[2], [x28], #0x4\n"
      "ld1 { v26.s }[2], [x27], #0x4\n"
      "ld1 { v25.s }[2], [x26], #0x4\n"
      "ld1 { v24.s }[2], [x25], #0x4\n"
      "ld1 { v23.s }[2], [x24], #0x4\n"
      "ld1 { v22.s }[2], [x23], #0x4\n"
      "ld1 { v21.s }[2], [x22], #0x4\n"
      "ld1 { v20.s }[2], [x21], #0x4\n"
      "tbz %x[width], #1, 6f\n"
      "ld1 { v27.h }[6], [x28], #0x2\n"
      "ld1 { v26.h }[6], [x27], #0x2\n"
      "mov x20, #0x2\n"
      "ld1 { v25.h }[6], [x26], #0x2\n"
      "ld1 { v24.h }[6], [x25], #0x2\n"
      "ld1 { v23.h }[6], [x24], #0x2\n"
      "ld1 { v22.h }[6], [x23], #0x2\n"
      "ld1 { v21.h }[6], [x22], #0x2\n"
      "ld1 { v20.h }[6], [x21], #0x2\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[14], [x28]\n"
      "ld1 { v26.b }[14], [x27]\n"
      "ld1 { v25.b }[14], [x26]\n"
      "ld1 { v24.b }[14], [x25]\n"
      "ld1 { v23.b }[14], [x24]\n"
      "ld1 { v22.b }[14], [x23]\n"
      "ld1 { v21.b }[14], [x22]\n"
      "ld1 { v20.b }[14], [x21]\n"
      "b 13f\n"
      "6:"  // odd_loads_1_12
      "mov x20, #0x2\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[12], [x28]\n"
      "ld1 { v26.b }[12], [x27]\n"
      "ld1 { v25.b }[12], [x26]\n"
      "ld1 { v24.b }[12], [x25]\n"
      "ld1 { v23.b }[12], [x24]\n"
      "ld1 { v22.b }[12], [x23]\n"
      "ld1 { v21.b }[12], [x22]\n"
      "ld1 { v20.b }[12], [x21]\n"
      "b 13f\n"
      "7:"  // odd_loads_2_8
      "tbz %x[width], #1, 8f\n"
      "ld1 { v27.h }[4], [x28], #0x2\n"
      "ld1 { v26.h }[4], [x27], #0x2\n"
      "mov x20, #0x2\n"
      "ld1 { v25.h }[4], [x26], #0x2\n"
      "ld1 { v24.h }[4], [x25], #0x2\n"
      "ld1 { v23.h }[4], [x24], #0x2\n"
      "ld1 { v22.h }[4], [x23], #0x2\n"
      "ld1 { v21.h }[4], [x22], #0x2\n"
      "ld1 { v20.h }[4], [x21], #0x2\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[10], [x28]\n"
      "ld1 { v26.b }[10], [x27]\n"
      "ld1 { v25.b }[10], [x26]\n"
      "ld1 { v24.b }[10], [x25]\n"
      "ld1 { v23.b }[10], [x24]\n"
      "ld1 { v22.b }[10], [x23]\n"
      "ld1 { v21.b }[10], [x22]\n"
      "ld1 { v20.b }[10], [x21]\n"
      "b 13f\n"
      "8:"  // odd_loads_1_8
      "mov x20, #0x1\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[8], [x28]\n"
      "ld1 { v26.b }[8], [x27]\n"
      "mov x20, #0x2\n"
      "ld1 { v25.b }[8], [x26]\n"
      "ld1 { v24.b }[8], [x25]\n"
      "ld1 { v23.b }[8], [x24]\n"
      "ld1 { v22.b }[8], [x23]\n"
      "ld1 { v21.b }[8], [x22]\n"
      "ld1 { v20.b }[8], [x21]\n"
      "b 13f\n"
      "9:"  // odd_loads_4_0
      "tbz %x[width], #2, 11f\n"
      "ldr s27, [x28], #0x4\n"
      "ldr s26, [x27], #0x4\n"
      "ldr s25, [x26], #0x4\n"
      "ldr s24, [x25], #0x4\n"
      "ldr s23, [x24], #0x4\n"
      "ldr s22, [x23], #0x4\n"
      "ldr s21, [x22], #0x4\n"
      "ldr s20, [x21], #0x4\n"
      "tbz %x[width], #1, 10f\n"
      "ld1 { v27.h }[2], [x28], #0x2\n"
      "ld1 { v26.h }[2], [x27], #0x2\n"
      "mov x20, #0x1\n"
      "ld1 { v25.h }[2], [x26], #0x2\n"
      "ld1 { v24.h }[2], [x25], #0x2\n"
      "ld1 { v23.h }[2], [x24], #0x2\n"
      "ld1 { v22.h }[2], [x23], #0x2\n"
      "ld1 { v21.h }[2], [x22], #0x2\n"
      "ld1 { v20.h }[2], [x21], #0x2\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[6], [x28]\n"
      "ld1 { v26.b }[6], [x27]\n"
      "ld1 { v25.b }[6], [x26]\n"
      "ld1 { v24.b }[6], [x25]\n"
      "ld1 { v23.b }[6], [x24]\n"
      "ld1 { v22.b }[6], [x23]\n"
      "ld1 { v21.b }[6], [x22]\n"
      "ld1 { v20.b }[6], [x21]\n"
      "b 13f\n"
      "10:"  // odd_loads_1_4
      "mov x20, #0x1\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[4], [x28]\n"
      "ld1 { v26.b }[4], [x27]\n"
      "ld1 { v25.b }[4], [x26]\n"
      "ld1 { v24.b }[4], [x25]\n"
      "ld1 { v23.b }[4], [x24]\n"
      "ld1 { v22.b }[4], [x23]\n"
      "ld1 { v21.b }[4], [x22]\n"
      "ld1 { v20.b }[4], [x21]\n"
      "b 13f\n"
      "11:"  // odd_loads_2_0
      "tbz %x[width], #1, 12f\n"
      "ldr h27, [x28], #0x2\n"
      "ldr h26, [x27], #0x2\n"
      "mov x20, #0x1\n"
      "ldr h25, [x26], #0x2\n"
      "ldr h24, [x25], #0x2\n"
      "ldr h23, [x24], #0x2\n"
      "ldr h22, [x23], #0x2\n"
      "ldr h21, [x22], #0x2\n"
      "ldr h20, [x21], #0x2\n"
      "tbz %x[width], #0, 13f\n"
      "ld1 { v27.b }[2], [x28]\n"
      "ld1 { v26.b }[2], [x27]\n"
      "ld1 { v25.b }[2], [x26]\n"
      "ld1 { v24.b }[2], [x25]\n"
      "ld1 { v23.b }[2], [x24]\n"
      "ld1 { v22.b }[2], [x23]\n"
      "ld1 { v21.b }[2], [x22]\n"
      "ld1 { v20.b }[2], [x21]\n"
      "b 13f\n"
      "12:"  // odd_loads_1_0
      "ldr b27, [x28, #0x0]\n"
      "ldr b26, [x27, #0x0]\n"
      "mov x20, #0x1\n"
      "ldr b25, [x26, #0x0]\n"
      "ldr b24, [x25, #0x0]\n"
      "ldr b23, [x24, #0x0]\n"
      "ldr b22, [x23, #0x0]\n"
      "ldr b21, [x22, #0x0]\n"
      "ldr b20, [x21, #0x0]\n"
      "13:"  // Odd load end
      "zip1 v19.2d, v27.2d, v26.2d\n"
      "zip1 v18.2d, v25.2d, v24.2d\n"
      "subs x20, x20, #0x1\n"
      "str q19, [%x[out_ptr], #0x0]\n"
      "zip1 v17.2d, v23.2d, v22.2d\n"
      "zip1 v16.2d, v21.2d, v20.2d\n"
      "str q18, [%x[out_ptr], #0x10]\n"
      "uadalp v5.8h, v19.16b\n"
      "uadalp v4.8h, v18.16b\n"
      "str q17, [%x[out_ptr], #0x20]\n"
      "uadalp v3.8h, v17.16b\n"
      "str q16, [%x[out_ptr], #0x30]\n"
      "uadalp v2.8h, v16.16b\n"
      "add %x[out_ptr], %x[out_ptr], #0x40\n"
      "beq 14f\n"
      "zip2 v19.2d, v27.2d, v26.2d\n"
      "zip2 v18.2d, v25.2d, v24.2d\n"
      "str q19, [%x[out_ptr], #0x0]\n"
      "zip2 v17.2d, v23.2d, v22.2d\n"
      "zip2 v16.2d, v21.2d, v20.2d\n"
      "str q18, [%x[out_ptr], #0x10]\n"
      "uadalp v5.8h, v19.16b\n"
      "uadalp v4.8h, v18.16b\n"
      "str q17, [%x[out_ptr], #0x20]\n"
      "uadalp v3.8h, v17.16b\n"
      "str q16, [%x[out_ptr], #0x30]\n"
      "uadalp v2.8h, v16.16b\n"
      "add %x[out_ptr], %x[out_ptr], #0x40\n"
      "14:"  // Odds skip
      "uadalp v1.4s, v5.8h\n"
      "uadalp v0.4s, v4.8h\n"
      "uadalp v31.4s, v3.8h\n"
      "uadalp v30.4s, v2.8h\n"
      "addp v1.4s, v1.4s, v0.4s\n"
      "addp v16.4s, v31.4s, v30.4s\n"
      "add v1.4s, v1.4s, v29.4s\n"
      "add v16.4s, v16.4s, v28.4s\n"
      "str q1, [%x[out_ptr], #0x0]\n"
      "str q16, [%x[out_ptr], #0x10]\n"
      "add %x[out_ptr], %x[out_ptr], #0x20\n"
      : [out_ptr] "+&r" (out_ptr), [width] "+&r" (width)
      : [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset)
      : "cc", "memory", "v0", "v1", "v2", "v3", "v4", "v5", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
    );
}


#endif // __aarch64__