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/*
* 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.
*/
#pragma once
#ifdef __ARM_FEATURE_SVE
namespace {
void sve_transpose_interleave_8VL_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 = 8 * roundup<size_t>(height, 2) * get_vector_length<uint16_t>();
__asm__ __volatile__(
"ptrue p3.b\n"
"cmp %x[height], #0x4\n"
"blt 6f\n"
"1:" // Main row loop: Head
"mov x27, %x[in]\n"
"mov x26, %x[out]\n"
"add x25, x27, %x[in_stride]\n"
"add x24, x25, %x[in_stride]\n"
"add x23, x24, %x[in_stride]\n"
"add %x[in], x23, %x[in_stride]\n"
"sub %x[height], %x[height], #0x4\n"
"mov x22, %x[width]\n"
"cnth x21, ALL, MUL #8\n"
"cmp x22, x21\n"
"blt 3f\n"
"2:" // Main row loop: Unroll column loop
"ld1h { z8.h }, p3/Z, [x27]\n"
"mov x20, x26\n"
"ld1h { z3.h }, p3/Z, [x27, #1, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"ld1h { z22.h }, p3/Z, [x27, #2, MUL VL]\n"
"mov x19, x26\n"
"ld1h { z12.h }, p3/Z, [x27, #3, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"ld1h { z4.h }, p3/Z, [x27, #4, MUL VL]\n"
"sub x22, x22, x21\n"
"ld1h { z25.h }, p3/Z, [x27, #5, MUL VL]\n"
"cmp x22, x21\n"
"ld1h { z15.h }, p3/Z, [x27, #6, MUL VL]\n"
"ld1h { z2.h }, p3/Z, [x27, #7, MUL VL]\n"
"addvl x27, x27, #8\n"
"ld1h { z16.h }, p3/Z, [x25]\n"
"zip1 z21.h, z8.h, z16.h\n"
"ld1h { z27.h }, p3/Z, [x25, #1, MUL VL]\n"
"zip2 z7.h, z8.h, z16.h\n"
"ld1h { z18.h }, p3/Z, [x25, #2, MUL VL]\n"
"ld1h { z30.h }, p3/Z, [x25, #3, MUL VL]\n"
"zip1 z19.h, z3.h, z27.h\n"
"ld1h { z0.h }, p3/Z, [x25, #4, MUL VL]\n"
"zip2 z16.h, z3.h, z27.h\n"
"ld1h { z27.h }, p3/Z, [x25, #5, MUL VL]\n"
"zip1 z13.h, z22.h, z18.h\n"
"ld1h { z26.h }, p3/Z, [x25, #6, MUL VL]\n"
"zip2 z29.h, z22.h, z18.h\n"
"ld1h { z24.h }, p3/Z, [x25, #7, MUL VL]\n"
"addvl x25, x25, #8\n"
"zip1 z20.h, z12.h, z30.h\n"
"ld1h { z9.h }, p3/Z, [x24]\n"
"zip2 z14.h, z12.h, z30.h\n"
"ld1h { z12.h }, p3/Z, [x24, #1, MUL VL]\n"
"zip1 z5.h, z4.h, z0.h\n"
"ld1h { z31.h }, p3/Z, [x24, #2, MUL VL]\n"
"zip2 z1.h, z4.h, z0.h\n"
"ld1h { z22.h }, p3/Z, [x24, #3, MUL VL]\n"
"zip1 z10.h, z25.h, z27.h\n"
"ld1h { z3.h }, p3/Z, [x24, #4, MUL VL]\n"
"zip2 z6.h, z25.h, z27.h\n"
"ld1h { z4.h }, p3/Z, [x24, #5, MUL VL]\n"
"zip1 z8.h, z15.h, z26.h\n"
"ld1h { z25.h }, p3/Z, [x24, #6, MUL VL]\n"
"zip2 z11.h, z15.h, z26.h\n"
"ld1h { z30.h }, p3/Z, [x24, #7, MUL VL]\n"
"addvl x24, x24, #8\n"
"zip1 z17.h, z2.h, z24.h\n"
"ld1h { z23.h }, p3/Z, [x23]\n"
"zip2 z0.h, z2.h, z24.h\n"
"ld1h { z28.h }, p3/Z, [x23, #1, MUL VL]\n"
"ld1h { z15.h }, p3/Z, [x23, #2, MUL VL]\n"
"zip1 z18.h, z9.h, z23.h\n"
"ld1h { z26.h }, p3/Z, [x23, #3, MUL VL]\n"
"zip2 z27.h, z9.h, z23.h\n"
"ld1h { z2.h }, p3/Z, [x23, #4, MUL VL]\n"
"zip1 z9.h, z12.h, z28.h\n"
"ld1h { z24.h }, p3/Z, [x23, #5, MUL VL]\n"
"zip2 z12.h, z12.h, z28.h\n"
"ld1h { z23.h }, p3/Z, [x23, #6, MUL VL]\n"
"zip1 z28.h, z31.h, z15.h\n"
"zip2 z31.h, z31.h, z15.h\n"
"ld1h { z15.h }, p3/Z, [x23, #7, MUL VL]\n"
"addvl x23, x23, #8\n"
"st1h { z21.h }, p3, [x20]\n"
"zip1 z21.h, z22.h, z26.h\n"
"zip2 z26.h, z22.h, z26.h\n"
"st1h { z7.h }, p3, [x20, #1, MUL VL]\n"
"zip1 z7.h, z3.h, z2.h\n"
"st1h { z19.h }, p3, [x20, #2, MUL VL]\n"
"zip2 z22.h, z3.h, z2.h\n"
"st1h { z16.h }, p3, [x20, #3, MUL VL]\n"
"zip1 z2.h, z4.h, z24.h\n"
"st1h { z13.h }, p3, [x20, #4, MUL VL]\n"
"zip2 z3.h, z4.h, z24.h\n"
"st1h { z29.h }, p3, [x20, #5, MUL VL]\n"
"zip1 z4.h, z25.h, z23.h\n"
"st1h { z20.h }, p3, [x20, #6, MUL VL]\n"
"zip2 z20.h, z25.h, z23.h\n"
"st1h { z14.h }, p3, [x20, #7, MUL VL]\n"
"addvl x20, x20, #16\n"
"zip1 z25.h, z30.h, z15.h\n"
"st1h { z18.h }, p3, [x20, #-8, MUL VL]\n"
"zip2 z18.h, z30.h, z15.h\n"
"st1h { z27.h }, p3, [x20, #-7, MUL VL]\n"
"st1h { z9.h }, p3, [x20, #-6, MUL VL]\n"
"st1h { z12.h }, p3, [x20, #-5, MUL VL]\n"
"st1h { z28.h }, p3, [x20, #-4, MUL VL]\n"
"st1h { z31.h }, p3, [x20, #-3, MUL VL]\n"
"st1h { z21.h }, p3, [x20, #-2, MUL VL]\n"
"st1h { z26.h }, p3, [x20, #-1, MUL VL]\n"
"st1h { z5.h }, p3, [x19]\n"
"st1h { z1.h }, p3, [x19, #1, MUL VL]\n"
"st1h { z10.h }, p3, [x19, #2, MUL VL]\n"
"st1h { z6.h }, p3, [x19, #3, MUL VL]\n"
"st1h { z8.h }, p3, [x19, #4, MUL VL]\n"
"st1h { z11.h }, p3, [x19, #5, MUL VL]\n"
"st1h { z17.h }, p3, [x19, #6, MUL VL]\n"
"st1h { z0.h }, p3, [x19, #7, MUL VL]\n"
"addvl x19, x19, #16\n"
"st1h { z7.h }, p3, [x19, #-8, MUL VL]\n"
"st1h { z22.h }, p3, [x19, #-7, MUL VL]\n"
"st1h { z2.h }, p3, [x19, #-6, MUL VL]\n"
"st1h { z3.h }, p3, [x19, #-5, MUL VL]\n"
"st1h { z4.h }, p3, [x19, #-4, MUL VL]\n"
"st1h { z20.h }, p3, [x19, #-3, MUL VL]\n"
"st1h { z25.h }, p3, [x19, #-2, MUL VL]\n"
"st1h { z18.h }, p3, [x19, #-1, MUL VL]\n"
"bge 2b\n"
"3:" // Main row loop: Unroll column loop skip
"cbz x22, 5f\n"
"4:" // Main row loop: Column loop
"mov x20, x22\n"
"mov x19, x26\n"
"whilelt p0.h, XZR, x20\n"
"ld1h { z17.h }, p0/Z, [x27]\n"
"ld1h { z16.h }, p0/Z, [x25]\n"
"zip1 z0.h, z17.h, z16.h\n"
"ld1h { z18.h }, p0/Z, [x24]\n"
"dech x20\n"
"zip2 z31.h, z17.h, z16.h\n"
"ld1h { z16.h }, p0/Z, [x23]\n"
"whilelt p2.h, XZR, x20\n"
"zip1 z30.h, z18.h, z16.h\n"
"ld1h { z17.h }, p2/Z, [x27, #1, MUL VL]\n"
"dech x20\n"
"zip2 z29.h, z18.h, z16.h\n"
"ld1h { z16.h }, p2/Z, [x25, #1, MUL VL]\n"
"whilelt p1.h, XZR, x20\n"
"zip1 z28.h, z17.h, z16.h\n"
"ld1h { z18.h }, p1/Z, [x27, #2, MUL VL]\n"
"dech x20\n"
"zip2 z27.h, z17.h, z16.h\n"
"ld1h { z16.h }, p1/Z, [x25, #2, MUL VL]\n"
"whilelt p0.h, XZR, x20\n"
"zip1 z26.h, z18.h, z16.h\n"
"ld1h { z17.h }, p0/Z, [x27, #3, MUL VL]\n"
"addvl x27, x27, #4\n"
"zip2 z25.h, z18.h, z16.h\n"
"ld1h { z16.h }, p0/Z, [x25, #3, MUL VL]\n"
"addvl x25, x25, #4\n"
"zip1 z24.h, z17.h, z16.h\n"
"ld1h { z19.h }, p2/Z, [x24, #1, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"zip2 z23.h, z17.h, z16.h\n"
"ld1h { z18.h }, p1/Z, [x24, #2, MUL VL]\n"
"decw x22, ALL, MUL #8\n"
"ld1h { z22.h }, p0/Z, [x24, #3, MUL VL]\n"
"addvl x24, x24, #4\n"
"ld1h { z16.h }, p2/Z, [x23, #1, MUL VL]\n"
"zip1 z21.h, z19.h, z16.h\n"
"ld1h { z17.h }, p1/Z, [x23, #2, MUL VL]\n"
"cmp x22, #0x0\n"
"zip2 z20.h, z19.h, z16.h\n"
"ld1h { z16.h }, p0/Z, [x23, #3, MUL VL]\n"
"addvl x23, x23, #4\n"
"zip1 z19.h, z18.h, z17.h\n"
"st1h { z0.h }, p3, [x19]\n"
"zip2 z18.h, z18.h, z17.h\n"
"st1h { z31.h }, p3, [x19, #1, MUL VL]\n"
"zip1 z17.h, z22.h, z16.h\n"
"st1h { z28.h }, p3, [x19, #2, MUL VL]\n"
"zip2 z16.h, z22.h, z16.h\n"
"st1h { z27.h }, p3, [x19, #3, MUL VL]\n"
"st1h { z26.h }, p3, [x19, #4, MUL VL]\n"
"st1h { z25.h }, p3, [x19, #5, MUL VL]\n"
"st1h { z24.h }, p3, [x19, #6, MUL VL]\n"
"st1h { z23.h }, p3, [x19, #7, MUL VL]\n"
"addvl x19, x19, #16\n"
"st1h { z30.h }, p3, [x19, #-8, MUL VL]\n"
"st1h { z29.h }, p3, [x19, #-7, MUL VL]\n"
"st1h { z21.h }, p3, [x19, #-6, MUL VL]\n"
"st1h { z20.h }, p3, [x19, #-5, MUL VL]\n"
"st1h { z19.h }, p3, [x19, #-4, MUL VL]\n"
"st1h { z18.h }, p3, [x19, #-3, MUL VL]\n"
"st1h { z17.h }, p3, [x19, #-2, MUL VL]\n"
"st1h { z16.h }, p3, [x19, #-1, MUL VL]\n"
"bgt 4b\n"
"5:" // Main row loop: Column loop skip
"addvl %x[out], %x[out], #16\n"
"cmp %x[height], #0x4\n"
"bge 1b\n"
"cbz %x[height], 12f\n"
"6:" // Main loop skip
"7:" // Tail row loop: Head
"mov x27, %x[in]\n"
"mov x26, %x[out]\n"
"add x25, x27, %x[in_stride]\n"
"add %x[in], x25, %x[in_stride]\n"
"cmp %x[height], #0x1\n"
"csel x25, x25, %x[pad_row], GT\n"
"sub %x[height], %x[height], #0x2\n"
"mov x20, %x[width]\n"
"cnth x19, ALL, MUL #8\n"
"cmp x20, x19\n"
"blt 9f\n"
"8:" // Tail row loop: Unroll column loop
"ld1h { z17.h }, p3/Z, [x27]\n"
"sub x20, x20, x19\n"
"ld1h { z20.h }, p3/Z, [x27, #1, MUL VL]\n"
"cmp x20, x19\n"
"ld1h { z19.h }, p3/Z, [x27, #2, MUL VL]\n"
"ld1h { z1.h }, p3/Z, [x27, #3, MUL VL]\n"
"ld1h { z0.h }, p3/Z, [x27, #4, MUL VL]\n"
"ld1h { z31.h }, p3/Z, [x27, #5, MUL VL]\n"
"ld1h { z30.h }, p3/Z, [x27, #6, MUL VL]\n"
"ld1h { z29.h }, p3/Z, [x27, #7, MUL VL]\n"
"addvl x27, x27, #8\n"
"ld1h { z16.h }, p3/Z, [x25]\n"
"zip1 z28.h, z17.h, z16.h\n"
"ld1h { z18.h }, p3/Z, [x25, #1, MUL VL]\n"
"zip2 z27.h, z17.h, z16.h\n"
"ld1h { z17.h }, p3/Z, [x25, #2, MUL VL]\n"
"ld1h { z16.h }, p3/Z, [x25, #3, MUL VL]\n"
"zip1 z26.h, z20.h, z18.h\n"
"ld1h { z22.h }, p3/Z, [x25, #4, MUL VL]\n"
"zip2 z21.h, z20.h, z18.h\n"
"ld1h { z25.h }, p3/Z, [x25, #5, MUL VL]\n"
"zip1 z20.h, z19.h, z17.h\n"
"ld1h { z24.h }, p3/Z, [x25, #6, MUL VL]\n"
"zip2 z19.h, z19.h, z17.h\n"
"ld1h { z23.h }, p3/Z, [x25, #7, MUL VL]\n"
"addvl x25, x25, #8\n"
"zip1 z18.h, z1.h, z16.h\n"
"st1h { z28.h }, p3, [x26]\n"
"zip2 z17.h, z1.h, z16.h\n"
"st1h { z27.h }, p3, [x26, #1, MUL VL]\n"
"zip1 z16.h, z0.h, z22.h\n"
"st1h { z26.h }, p3, [x26, #2, MUL VL]\n"
"zip2 z22.h, z0.h, z22.h\n"
"st1h { z21.h }, p3, [x26, #3, MUL VL]\n"
"zip1 z21.h, z31.h, z25.h\n"
"st1h { z20.h }, p3, [x26, #4, MUL VL]\n"
"zip2 z20.h, z31.h, z25.h\n"
"st1h { z19.h }, p3, [x26, #5, MUL VL]\n"
"zip1 z19.h, z30.h, z24.h\n"
"st1h { z18.h }, p3, [x26, #6, MUL VL]\n"
"zip2 z18.h, z30.h, z24.h\n"
"st1h { z17.h }, p3, [x26, #7, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"zip1 z17.h, z29.h, z23.h\n"
"st1h { z16.h }, p3, [x26]\n"
"zip2 z16.h, z29.h, z23.h\n"
"st1h { z22.h }, p3, [x26, #1, MUL VL]\n"
"st1h { z21.h }, p3, [x26, #2, MUL VL]\n"
"st1h { z20.h }, p3, [x26, #3, MUL VL]\n"
"st1h { z19.h }, p3, [x26, #4, MUL VL]\n"
"st1h { z18.h }, p3, [x26, #5, MUL VL]\n"
"st1h { z17.h }, p3, [x26, #6, MUL VL]\n"
"st1h { z16.h }, p3, [x26, #7, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"bge 8b\n"
"9:" // Tail row loop: Unroll column loop skip
"cbz x20, 11f\n"
"10:" // Tail row loop: Column loop
"mov x19, x20\n"
"decw x20, ALL, MUL #8\n"
"whilelt p0.h, XZR, x19\n"
"ld1h { z17.h }, p0/Z, [x27]\n"
"ld1h { z16.h }, p0/Z, [x25]\n"
"zip1 z24.h, z17.h, z16.h\n"
"dech x19\n"
"zip2 z23.h, z17.h, z16.h\n"
"whilelt p0.h, XZR, x19\n"
"ld1h { z18.h }, p0/Z, [x27, #1, MUL VL]\n"
"dech x19\n"
"ld1h { z16.h }, p0/Z, [x25, #1, MUL VL]\n"
"zip1 z22.h, z18.h, z16.h\n"
"whilelt p0.h, XZR, x19\n"
"ld1h { z17.h }, p0/Z, [x27, #2, MUL VL]\n"
"zip2 z21.h, z18.h, z16.h\n"
"dech x19\n"
"ld1h { z16.h }, p0/Z, [x25, #2, MUL VL]\n"
"zip1 z20.h, z17.h, z16.h\n"
"whilelt p0.h, XZR, x19\n"
"ld1h { z19.h }, p0/Z, [x27, #3, MUL VL]\n"
"zip2 z18.h, z17.h, z16.h\n"
"addvl x27, x27, #4\n"
"ld1h { z16.h }, p0/Z, [x25, #3, MUL VL]\n"
"zip1 z17.h, z19.h, z16.h\n"
"st1h { z24.h }, p3, [x26]\n"
"addvl x25, x25, #4\n"
"zip2 z16.h, z19.h, z16.h\n"
"st1h { z23.h }, p3, [x26, #1, MUL VL]\n"
"cmp x20, #0x0\n"
"st1h { z22.h }, p3, [x26, #2, MUL VL]\n"
"st1h { z21.h }, p3, [x26, #3, MUL VL]\n"
"st1h { z20.h }, p3, [x26, #4, MUL VL]\n"
"st1h { z18.h }, p3, [x26, #5, MUL VL]\n"
"st1h { z17.h }, p3, [x26, #6, MUL VL]\n"
"st1h { z16.h }, p3, [x26, #7, MUL VL]\n"
"add x26, x26, %x[out_stride]\n"
"bgt 10b\n"
"11:" // Tail row loop: Column loop skip
"addvl %x[out], %x[out], #8\n"
"cmp %x[height], #0x1\n"
"bge 7b\n"
"12:" // 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", "p0", "p1", "p2", "p3", "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"
);
}
} // anonymous namespace
template<>
void Transform<8, 2, true, VLType::SVE>(
bfloat16 *out, const bfloat16 *in, int stride, int x0, int xmax, int k0, int kmax)
{
sve_transpose_interleave_8VL_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
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