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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.
*/
#ifdef __aarch64__
template<>
void interleave_block<8, 4, VLType::None, false>(
bfloat16 * &out_ptr, const float * const * in, size_t width, size_t height,
size_t row_offset, bool
)
{
__asm__ __volatile__(
"ldr x28, [%x[in], #0x0]\n"
"ldr x27, [%x[in], #0x8]\n"
"cmp %x[height], #0x8\n"
"add x28, x28, %x[row_offset], LSL #2\n"
"ldr x26, [%x[in], #0x10]\n"
"ldr x25, [%x[in], #0x18]\n"
"add x27, x27, %x[row_offset], LSL #2\n"
"add x26, x26, %x[row_offset], LSL #2\n"
"ldr x24, [%x[in], #0x20]\n"
"ldr x23, [%x[in], #0x28]\n"
"add x25, x25, %x[row_offset], LSL #2\n"
"add x24, x24, %x[row_offset], LSL #2\n"
"ldr x22, [%x[in], #0x30]\n"
"ldr x21, [%x[in], #0x38]\n"
"add x23, x23, %x[row_offset], LSL #2\n"
"add x22, x22, %x[row_offset], LSL #2\n"
"add x21, x21, %x[row_offset], LSL #2\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
"cmp %x[width], #0x4\n"
"prfm pldl1keep, [x28, #0x0]\n"
"prfm pldl1keep, [x27, #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"
"blt 3f\n"
"2:" // Main loop head
"ldr q17, [x28], #0x10\n"
"ldr q16, [x26], #0x10\n"
".inst 0x0ea16a37 // bfcvtn v23.4h, v17.4s\n"
".inst 0x0ea16a16 // bfcvtn v22.4h, v16.4s\n"
"ldr q17, [x24], #0x10\n"
"ldr q16, [x22], #0x10\n"
".inst 0x0ea16a35 // bfcvtn v21.4h, v17.4s\n"
".inst 0x0ea16a14 // bfcvtn v20.4h, v16.4s\n"
"ldr q19, [x27], #0x10\n"
"ldr q18, [x25], #0x10\n"
"subs %x[width], %x[width], #0x4\n"
"cmp %x[width], #0x4\n"
"ldr q17, [x23], #0x10\n"
"ldr q16, [x21], #0x10\n"
".inst 0x4ea16a77 // bfcvtn2 v23.8h, v19.4s\n"
".inst 0x4ea16a56 // bfcvtn2 v22.8h, v18.4s\n"
"prfm pldl1keep, [x28, #0x70]\n"
"prfm pldl1keep, [x27, #0x70]\n"
".inst 0x4ea16a35 // bfcvtn2 v21.8h, v17.4s\n"
".inst 0x4ea16a14 // bfcvtn2 v20.8h, v16.4s\n"
"prfm pldl1keep, [x26, #0x70]\n"
"prfm pldl1keep, [x25, #0x70]\n"
"str q23, [%x[out_ptr], #0x0]\n"
"prfm pldl1keep, [x24, #0x70]\n"
"prfm pldl1keep, [x23, #0x70]\n"
"str q22, [%x[out_ptr], #0x10]\n"
"prfm pldl1keep, [x22, #0x70]\n"
"prfm pldl1keep, [x21, #0x70]\n"
"str q21, [%x[out_ptr], #0x20]\n"
"str q20, [%x[out_ptr], #0x30]\n"
"add %x[out_ptr], %x[out_ptr], #0x40\n"
"bge 2b\n"
"3:" // Main loop skip
"cbz %x[width], 6f\n"
"tbz %x[width], #1, 4f\n"
"ldr d19, [x28], #0x8\n"
"ldr d23, [x27], #0x8\n"
"mov x20, #0x1\n"
"ldr d18, [x26], #0x8\n"
"ldr d22, [x25], #0x8\n"
"ldr d17, [x24], #0x8\n"
"ldr d21, [x23], #0x8\n"
"ldr d16, [x22], #0x8\n"
"ldr d20, [x21], #0x8\n"
"tbz %x[width], #0, 5f\n"
"ld1 { v19.s }[2], [x28]\n"
"ld1 { v23.s }[2], [x27]\n"
"ld1 { v18.s }[2], [x26]\n"
"ld1 { v22.s }[2], [x25]\n"
"ld1 { v17.s }[2], [x24]\n"
"ld1 { v21.s }[2], [x23]\n"
"ld1 { v16.s }[2], [x22]\n"
"ld1 { v20.s }[2], [x21]\n"
"b 5f\n"
"4:" // odd_loads_1_0
"ldr s19, [x28, #0x0]\n"
"ldr s23, [x27, #0x0]\n"
"mov x20, #0x1\n"
"ldr s18, [x26, #0x0]\n"
"ldr s22, [x25, #0x0]\n"
"ldr s17, [x24, #0x0]\n"
"ldr s21, [x23, #0x0]\n"
"ldr s16, [x22, #0x0]\n"
"ldr s20, [x21, #0x0]\n"
"5:" // Odd load end
".inst 0x0ea16a73 // bfcvtn v19.4h, v19.4s\n"
".inst 0x0ea16a52 // bfcvtn v18.4h, v18.4s\n"
".inst 0x0ea16a31 // bfcvtn v17.4h, v17.4s\n"
".inst 0x0ea16a10 // bfcvtn v16.4h, v16.4s\n"
".inst 0x4ea16af3 // bfcvtn2 v19.8h, v23.4s\n"
".inst 0x4ea16ad2 // bfcvtn2 v18.8h, v22.4s\n"
"str q19, [%x[out_ptr], #0x0]\n"
".inst 0x4ea16ab1 // bfcvtn2 v17.8h, v21.4s\n"
".inst 0x4ea16a90 // bfcvtn2 v16.8h, v20.4s\n"
"str q18, [%x[out_ptr], #0x10]\n"
"str q17, [%x[out_ptr], #0x20]\n"
"str q16, [%x[out_ptr], #0x30]\n"
"add %x[out_ptr], %x[out_ptr], #0x40\n"
"6:" // Odds skip
: [out_ptr] "+&r" (out_ptr), [width] "+&r" (width)
: [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset)
: "cc", "memory", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28"
);
}
#endif // __aarch64__
|
