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/*
* Copyright (c) 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.
*/
#pragma once
#if defined(__aarch64__)
namespace {
void a64_transpose_interleave_16_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 = 16 * roundup<size_t>(height, 2) * sizeof(uint16_t);
__asm__ __volatile__(
"cmp %x[height], #0x8\n"
"blt 8f\n"
"1:" // Main row loop: Head
"mov x9, %x[in]\n"
"add x28, x9, %x[in_stride]\n"
"add x27, x28, %x[in_stride]\n"
"add x26, x27, %x[in_stride]\n"
"add x25, x26, %x[in_stride]\n"
"mov x24, %x[width]\n"
"add x23, x25, %x[in_stride]\n"
"add x22, x23, %x[in_stride]\n"
"add x20, x22, %x[in_stride]\n"
"cmp x24, #0x10\n"
"add %x[in], x20, %x[in_stride]\n"
"mov x21, %x[out]\n"
"sub %x[height], %x[height], #0x8\n"
"blt 3f\n"
"2:" // Main row loop: Column loop
"ldr q17, [x9], #0x10\n"
"ldr q16, [x28], #0x10\n"
"sub x24, x24, #0x10\n"
"cmp x24, #0x10\n"
"ldr q19, [x27], #0x10\n"
"ldr q18, [x26], #0x10\n"
"zip1 v1.8h, v17.8h, v16.8h\n"
"zip2 v0.8h, v17.8h, v16.8h\n"
"ldr q17, [x25], #0x10\n"
"ldr q16, [x23], #0x10\n"
"zip1 v31.8h, v19.8h, v18.8h\n"
"zip2 v30.8h, v19.8h, v18.8h\n"
"ldr q29, [x22], #0x10\n"
"ldr q18, [x20], #0x10\n"
"zip1 v28.8h, v17.8h, v16.8h\n"
"zip2 v27.8h, v17.8h, v16.8h\n"
"ldr q17, [x9], #0x10\n"
"ldr q16, [x28], #0x10\n"
"zip1 v26.8h, v17.8h, v16.8h\n"
"zip2 v25.8h, v17.8h, v16.8h\n"
"ldr q17, [x27], #0x10\n"
"ldr q16, [x26], #0x10\n"
"zip1 v24.8h, v17.8h, v16.8h\n"
"zip2 v23.8h, v17.8h, v16.8h\n"
"ldr q17, [x25], #0x10\n"
"ldr q16, [x23], #0x10\n"
"zip1 v22.8h, v17.8h, v16.8h\n"
"zip2 v21.8h, v17.8h, v16.8h\n"
"ldr q20, [x22], #0x10\n"
"ldr q16, [x20], #0x10\n"
"zip1 v19.8h, v29.8h, v18.8h\n"
"zip2 v18.8h, v29.8h, v18.8h\n"
"zip1 v17.8h, v20.8h, v16.8h\n"
"zip2 v16.8h, v20.8h, v16.8h\n"
"str q1, [x21, #0x0]\n"
"str q0, [x21, #0x10]\n"
"str q26, [x21, #0x20]\n"
"str q25, [x21, #0x30]\n"
"str q31, [x21, #0x40]\n"
"str q30, [x21, #0x50]\n"
"str q24, [x21, #0x60]\n"
"str q23, [x21, #0x70]\n"
"str q28, [x21, #0x80]\n"
"str q27, [x21, #0x90]\n"
"str q22, [x21, #0xa0]\n"
"str q21, [x21, #0xb0]\n"
"str q19, [x21, #0xc0]\n"
"str q18, [x21, #0xd0]\n"
"str q17, [x21, #0xe0]\n"
"str q16, [x21, #0xf0]\n"
"add x21, x21, %x[out_stride]\n"
"bge 2b\n"
"3:" // Main row loop: Column loop skip
"cmp x24, #0x4\n"
"blt 5f\n"
"4:" // Main row loop: width 4 loop: loop
"ldr d19, [x9], #0x8\n"
"ldr d18, [x28], #0x8\n"
"sub x24, x24, #0x4\n"
"cmp x24, #0x4\n"
"ldr d17, [x27], #0x8\n"
"ldr d16, [x26], #0x8\n"
"zip1 v20.8h, v19.8h, v18.8h\n"
"zip1 v19.8h, v17.8h, v16.8h\n"
"ldr d17, [x25], #0x8\n"
"ldr d16, [x23], #0x8\n"
"zip1 v18.8h, v17.8h, v16.8h\n"
"ldr d17, [x22], #0x8\n"
"ldr d16, [x20], #0x8\n"
"str q20, [x21, #0x0]\n"
"zip1 v16.8h, v17.8h, v16.8h\n"
"str q19, [x21, #0x40]\n"
"str q18, [x21, #0x80]\n"
"str q16, [x21, #0xc0]\n"
"add x21, x21, #0x10\n"
"bge 4b\n"
"5:" // Main row loop: width 4 loop: skip
"cmp x24, #0x1\n"
"blt 7f\n"
"6:" // Main row loop: width 1 loop: loop
"ldr h19, [x9], #0x2\n"
"ldr h18, [x28], #0x2\n"
"sub x24, x24, #0x1\n"
"cmp x24, #0x1\n"
"ldr h17, [x27], #0x2\n"
"ldr h16, [x26], #0x2\n"
"zip1 v20.8h, v19.8h, v18.8h\n"
"zip1 v19.8h, v17.8h, v16.8h\n"
"ldr h17, [x25], #0x2\n"
"ldr h16, [x23], #0x2\n"
"zip1 v18.8h, v17.8h, v16.8h\n"
"ldr h17, [x22], #0x2\n"
"ldr h16, [x20], #0x2\n"
"str s20, [x21, #0x0]\n"
"zip1 v16.8h, v17.8h, v16.8h\n"
"str s19, [x21, #0x40]\n"
"str s18, [x21, #0x80]\n"
"str s16, [x21, #0xc0]\n"
"add x21, x21, #0x4\n"
"bge 6b\n"
"7:" // Main row loop: width 1 loop: skip
"cmp %x[height], #0x8\n"
"add %x[out], %x[out], #0x100\n"
"bge 1b\n"
"cbz %x[height], 16f\n"
"8:" // Main loop skip
"9:" // Tail row loop: Head
"mov x9, %x[in]\n"
"mov x20, %x[width]\n"
"add x28, x9, %x[in_stride]\n"
"cmp %x[height], #0x1\n"
"add %x[in], x28, %x[in_stride]\n"
"csel x28, x28, %x[pad_row], GT\n"
"cmp x20, #0x10\n"
"mov x21, %x[out]\n"
"sub %x[height], %x[height], #0x2\n"
"blt 11f\n"
"10:" // Tail row loop: Column loop
"ldr q18, [x9], #0x10\n"
"ldr q17, [x28], #0x10\n"
"sub x20, x20, #0x10\n"
"cmp x20, #0x10\n"
"ldr q20, [x9], #0x10\n"
"ldr q16, [x28], #0x10\n"
"zip1 v19.8h, v18.8h, v17.8h\n"
"zip2 v18.8h, v18.8h, v17.8h\n"
"zip1 v17.8h, v20.8h, v16.8h\n"
"zip2 v16.8h, v20.8h, v16.8h\n"
"str q19, [x21, #0x0]\n"
"str q18, [x21, #0x10]\n"
"str q17, [x21, #0x20]\n"
"str q16, [x21, #0x30]\n"
"add x21, x21, %x[out_stride]\n"
"bge 10b\n"
"11:" // Tail row loop: Column loop skip
"cmp x20, #0x4\n"
"blt 13f\n"
"12:" // Tail row loop: width 4 loop: loop
"ldr d17, [x9], #0x8\n"
"ldr d16, [x28], #0x8\n"
"sub x20, x20, #0x4\n"
"cmp x20, #0x4\n"
"zip1 v16.8h, v17.8h, v16.8h\n"
"str q16, [x21, #0x0]\n"
"add x21, x21, #0x10\n"
"bge 12b\n"
"13:" // Tail row loop: width 4 loop: skip
"cmp x20, #0x1\n"
"blt 15f\n"
"14:" // Tail row loop: width 1 loop: loop
"ldr h17, [x9], #0x2\n"
"ldr h16, [x28], #0x2\n"
"sub x20, x20, #0x1\n"
"cmp x20, #0x1\n"
"zip1 v16.8h, v17.8h, v16.8h\n"
"str s16, [x21, #0x0]\n"
"add x21, x21, #0x4\n"
"bge 14b\n"
"15:" // Tail row loop: width 1 loop: skip
"cmp %x[height], #0x1\n"
"add %x[out], %x[out], #0x40\n"
"bge 9b\n"
"16:" // Done
: [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", "v0", "v1", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x9", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
);
}
} // anonymous namespace
template<>
void Transform<16, 2, true, VLType::None>(
bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax)
{
a64_transpose_interleave_16_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)
);
}
#endif // defined(__aarch64__)
|
