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/*
* Copyright (c) 2019-2021 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.
*/
#ifdef __aarch64__
template<>
void interleave_block<8, 4, VLType::None, true>(
int8_t * &out_ptr, const int8_t * const * in, size_t width, size_t height,
size_t row_offset, bool first
)
{
__asm__ __volatile__(
"movi v1.8h, #0x0\n"
"ldr x27, [%x[in], #0x0]\n"
"mov x19, #0x0\n"
"movi v0.8h, #0x0\n"
"ldr x26, [%x[in], #0x8]\n"
"cmp %x[height], #0x8\n"
"movi v31.4s, #0x0\n"
"ldr x25, [%x[in], #0x10]\n"
"add x27, x27, %x[row_offset]\n"
"movi v30.4s, #0x0\n"
"ldr x24, [%x[in], #0x18]\n"
"ldr x23, [%x[in], #0x20]\n"
"add x26, x26, %x[row_offset]\n"
"ldr x22, [%x[in], #0x28]\n"
"add x25, x25, %x[row_offset]\n"
"ldr x21, [%x[in], #0x30]\n"
"add x24, x24, %x[row_offset]\n"
"ldr x20, [%x[in], #0x38]\n"
"add x23, x23, %x[row_offset]\n"
"add x22, x22, %x[row_offset]\n"
"add x21, x21, %x[row_offset]\n"
"add x20, x20, %x[row_offset]\n"
"beq 1f\n"
"mov x20, x27\n"
"cmp %x[height], #0x2\n"
"csel x26, x26, x27, GE\n"
"csel x25, x25, x27, GT\n"
"cmp %x[height], #0x4\n"
"csel x24, x24, x27, GE\n"
"csel x23, x23, x27, GT\n"
"cmp %x[height], #0x6\n"
"csel x22, x22, x27, GE\n"
"csel x21, x21, x27, GT\n"
"1:" // no_pointer_adj
"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, [x20, #0x0]\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"
"prfm pldl1keep, [x20, #0x40]\n"
"cbnz %w[first], 2f\n"
"sub %x[out_ptr], %x[out_ptr], #0x20\n"
"ld1 { v31.4s }, [%x[out_ptr]]\n"
"ldr q30, [%x[out_ptr], #0x10]\n"
"2:" // first_pass
"cmp %x[width], #0x10\n"
"blt 5f\n"
"3:" // Main loop head
"cmp x19, #0x1e\n"
"ble 4f\n"
"sadalp v31.4s, v1.8h\n"
"movi v1.8h, #0x0\n"
"sadalp v30.4s, v0.8h\n"
"movi v0.8h, #0x0\n"
"mov x19, #0x0\n"
"4:" // no_accumulate_16
"ldr q28, [x27], #0x10\n"
"add x19, x19, #0x1\n"
"ldr q29, [x26], #0x10\n"
"subs %x[width], %x[width], #0x10\n"
"ldr q25, [x25], #0x10\n"
"zip1 v22.4s, v28.4s, v25.4s\n"
"ldr q21, [x24], #0x10\n"
"cmp %x[width], #0x10\n"
"zip2 v28.4s, v28.4s, v25.4s\n"
"ldr q27, [x23], #0x10\n"
"ldr q26, [x22], #0x10\n"
"zip1 v20.4s, v29.4s, v21.4s\n"
"ldr q19, [x21], #0x10\n"
"zip2 v25.4s, v29.4s, v21.4s\n"
"ldr q24, [x20], #0x10\n"
"zip1 v23.4s, v22.4s, v20.4s\n"
"prfm pldl1keep, [x27, #0x70]\n"
"sadalp v1.8h, v23.16b\n"
"zip2 v22.4s, v22.4s, v20.4s\n"
"prfm pldl1keep, [x26, #0x70]\n"
"sadalp v1.8h, v22.16b\n"
"zip1 v18.4s, v27.4s, v19.4s\n"
"prfm pldl1keep, [x25, #0x70]\n"
"zip1 v16.4s, v26.4s, v24.4s\n"
"prfm pldl1keep, [x24, #0x70]\n"
"zip1 v21.4s, v28.4s, v25.4s\n"
"prfm pldl1keep, [x23, #0x70]\n"
"sadalp v1.8h, v21.16b\n"
"zip1 v17.4s, v18.4s, v16.4s\n"
"prfm pldl1keep, [x22, #0x70]\n"
"zip2 v20.4s, v18.4s, v16.4s\n"
"prfm pldl1keep, [x21, #0x70]\n"
"sadalp v0.8h, v17.16b\n"
"zip2 v19.4s, v27.4s, v19.4s\n"
"prfm pldl1keep, [x20, #0x70]\n"
"sadalp v0.8h, v20.16b\n"
"zip2 v16.4s, v26.4s, v24.4s\n"
"str q23, [%x[out_ptr], #0x0]\n"
"zip1 v18.4s, v19.4s, v16.4s\n"
"str q17, [%x[out_ptr], #0x10]\n"
"sadalp v0.8h, v18.16b\n"
"zip2 v17.4s, v28.4s, v25.4s\n"
"str q22, [%x[out_ptr], #0x20]\n"
"zip2 v16.4s, v19.4s, v16.4s\n"
"str q20, [%x[out_ptr], #0x30]\n"
"sadalp v1.8h, v17.16b\n"
"str q21, [%x[out_ptr], #0x40]\n"
"sadalp v0.8h, v16.16b\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 d28, [x27], #0x8\n"
"ldr d29, [x26], #0x8\n"
"ldr d25, [x25], #0x8\n"
"ldr d21, [x24], #0x8\n"
"ldr d27, [x23], #0x8\n"
"ldr d26, [x22], #0x8\n"
"ldr d19, [x21], #0x8\n"
"ldr d24, [x20], #0x8\n"
"tbz %x[width], #2, 7f\n"
"ld1 { v28.s }[2], [x27], #0x4\n"
"ld1 { v29.s }[2], [x26], #0x4\n"
"ld1 { v25.s }[2], [x25], #0x4\n"
"ld1 { v21.s }[2], [x24], #0x4\n"
"ld1 { v27.s }[2], [x23], #0x4\n"
"ld1 { v26.s }[2], [x22], #0x4\n"
"ld1 { v19.s }[2], [x21], #0x4\n"
"ld1 { v24.s }[2], [x20], #0x4\n"
"tbz %x[width], #1, 6f\n"
"ld1 { v28.h }[6], [x27], #0x2\n"
"mov x19, #0x4\n"
"ld1 { v29.h }[6], [x26], #0x2\n"
"ld1 { v25.h }[6], [x25], #0x2\n"
"ld1 { v21.h }[6], [x24], #0x2\n"
"ld1 { v27.h }[6], [x23], #0x2\n"
"ld1 { v26.h }[6], [x22], #0x2\n"
"ld1 { v19.h }[6], [x21], #0x2\n"
"ld1 { v24.h }[6], [x20], #0x2\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[14], [x27]\n"
"ld1 { v29.b }[14], [x26]\n"
"ld1 { v25.b }[14], [x25]\n"
"ld1 { v21.b }[14], [x24]\n"
"ld1 { v27.b }[14], [x23]\n"
"ld1 { v26.b }[14], [x22]\n"
"ld1 { v19.b }[14], [x21]\n"
"ld1 { v24.b }[14], [x20]\n"
"b 13f\n"
"6:" // odd_loads_1_12
"mov x19, #0x3\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[12], [x27]\n"
"ld1 { v29.b }[12], [x26]\n"
"mov x19, #0x4\n"
"ld1 { v25.b }[12], [x25]\n"
"ld1 { v21.b }[12], [x24]\n"
"ld1 { v27.b }[12], [x23]\n"
"ld1 { v26.b }[12], [x22]\n"
"ld1 { v19.b }[12], [x21]\n"
"ld1 { v24.b }[12], [x20]\n"
"b 13f\n"
"7:" // odd_loads_2_8
"tbz %x[width], #1, 8f\n"
"ld1 { v28.h }[4], [x27], #0x2\n"
"ld1 { v29.h }[4], [x26], #0x2\n"
"mov x19, #0x3\n"
"ld1 { v25.h }[4], [x25], #0x2\n"
"ld1 { v21.h }[4], [x24], #0x2\n"
"ld1 { v27.h }[4], [x23], #0x2\n"
"ld1 { v26.h }[4], [x22], #0x2\n"
"ld1 { v19.h }[4], [x21], #0x2\n"
"ld1 { v24.h }[4], [x20], #0x2\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[10], [x27]\n"
"ld1 { v29.b }[10], [x26]\n"
"ld1 { v25.b }[10], [x25]\n"
"ld1 { v21.b }[10], [x24]\n"
"ld1 { v27.b }[10], [x23]\n"
"ld1 { v26.b }[10], [x22]\n"
"ld1 { v19.b }[10], [x21]\n"
"ld1 { v24.b }[10], [x20]\n"
"b 13f\n"
"8:" // odd_loads_1_8
"mov x19, #0x2\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[8], [x27]\n"
"ld1 { v29.b }[8], [x26]\n"
"mov x19, #0x3\n"
"ld1 { v25.b }[8], [x25]\n"
"ld1 { v21.b }[8], [x24]\n"
"ld1 { v27.b }[8], [x23]\n"
"ld1 { v26.b }[8], [x22]\n"
"ld1 { v19.b }[8], [x21]\n"
"ld1 { v24.b }[8], [x20]\n"
"b 13f\n"
"9:" // odd_loads_4_0
"tbz %x[width], #2, 11f\n"
"ldr s28, [x27], #0x4\n"
"ldr s29, [x26], #0x4\n"
"ldr s25, [x25], #0x4\n"
"ldr s21, [x24], #0x4\n"
"ldr s27, [x23], #0x4\n"
"ldr s26, [x22], #0x4\n"
"ldr s19, [x21], #0x4\n"
"ldr s24, [x20], #0x4\n"
"tbz %x[width], #1, 10f\n"
"ld1 { v28.h }[2], [x27], #0x2\n"
"mov x19, #0x2\n"
"ld1 { v29.h }[2], [x26], #0x2\n"
"ld1 { v25.h }[2], [x25], #0x2\n"
"ld1 { v21.h }[2], [x24], #0x2\n"
"ld1 { v27.h }[2], [x23], #0x2\n"
"ld1 { v26.h }[2], [x22], #0x2\n"
"ld1 { v19.h }[2], [x21], #0x2\n"
"ld1 { v24.h }[2], [x20], #0x2\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[6], [x27]\n"
"ld1 { v29.b }[6], [x26]\n"
"ld1 { v25.b }[6], [x25]\n"
"ld1 { v21.b }[6], [x24]\n"
"ld1 { v27.b }[6], [x23]\n"
"ld1 { v26.b }[6], [x22]\n"
"ld1 { v19.b }[6], [x21]\n"
"ld1 { v24.b }[6], [x20]\n"
"b 13f\n"
"10:" // odd_loads_1_4
"mov x19, #0x1\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[4], [x27]\n"
"ld1 { v29.b }[4], [x26]\n"
"mov x19, #0x2\n"
"ld1 { v25.b }[4], [x25]\n"
"ld1 { v21.b }[4], [x24]\n"
"ld1 { v27.b }[4], [x23]\n"
"ld1 { v26.b }[4], [x22]\n"
"ld1 { v19.b }[4], [x21]\n"
"ld1 { v24.b }[4], [x20]\n"
"b 13f\n"
"11:" // odd_loads_2_0
"tbz %x[width], #1, 12f\n"
"ldr h28, [x27], #0x2\n"
"ldr h29, [x26], #0x2\n"
"mov x19, #0x1\n"
"ldr h25, [x25], #0x2\n"
"ldr h21, [x24], #0x2\n"
"ldr h27, [x23], #0x2\n"
"ldr h26, [x22], #0x2\n"
"ldr h19, [x21], #0x2\n"
"ldr h24, [x20], #0x2\n"
"tbz %x[width], #0, 13f\n"
"ld1 { v28.b }[2], [x27]\n"
"ld1 { v29.b }[2], [x26]\n"
"ld1 { v25.b }[2], [x25]\n"
"ld1 { v21.b }[2], [x24]\n"
"ld1 { v27.b }[2], [x23]\n"
"ld1 { v26.b }[2], [x22]\n"
"ld1 { v19.b }[2], [x21]\n"
"ld1 { v24.b }[2], [x20]\n"
"b 13f\n"
"12:" // odd_loads_1_0
"ldr b28, [x27, #0x0]\n"
"mov x19, #0x1\n"
"ldr b29, [x26, #0x0]\n"
"ldr b25, [x25, #0x0]\n"
"ldr b21, [x24, #0x0]\n"
"ldr b27, [x23, #0x0]\n"
"ldr b26, [x22, #0x0]\n"
"ldr b19, [x21, #0x0]\n"
"ldr b24, [x20, #0x0]\n"
"13:" // Odd load end
"zip1 v22.4s, v28.4s, v25.4s\n"
"subs x19, x19, #0x1\n"
"zip1 v20.4s, v29.4s, v21.4s\n"
"zip1 v23.4s, v22.4s, v20.4s\n"
"str q23, [%x[out_ptr], #0x0]\n"
"sadalp v1.8h, v23.16b\n"
"zip1 v18.4s, v27.4s, v19.4s\n"
"zip1 v16.4s, v26.4s, v24.4s\n"
"zip1 v17.4s, v18.4s, v16.4s\n"
"str q17, [%x[out_ptr], #0x10]\n"
"sadalp v0.8h, v17.16b\n"
"add %x[out_ptr], %x[out_ptr], #0x20\n"
"beq 14f\n"
"zip2 v22.4s, v22.4s, v20.4s\n"
"str q22, [%x[out_ptr], #0x0]\n"
"zip2 v20.4s, v18.4s, v16.4s\n"
"sadalp v1.8h, v22.16b\n"
"str q20, [%x[out_ptr], #0x10]\n"
"subs x19, x19, #0x1\n"
"add %x[out_ptr], %x[out_ptr], #0x20\n"
"sadalp v0.8h, v20.16b\n"
"beq 14f\n"
"zip2 v28.4s, v28.4s, v25.4s\n"
"zip2 v25.4s, v29.4s, v21.4s\n"
"subs x19, x19, #0x1\n"
"zip1 v21.4s, v28.4s, v25.4s\n"
"str q21, [%x[out_ptr], #0x0]\n"
"sadalp v1.8h, v21.16b\n"
"zip2 v19.4s, v27.4s, v19.4s\n"
"zip2 v16.4s, v26.4s, v24.4s\n"
"zip1 v18.4s, v19.4s, v16.4s\n"
"str q18, [%x[out_ptr], #0x10]\n"
"sadalp v0.8h, v18.16b\n"
"add %x[out_ptr], %x[out_ptr], #0x20\n"
"beq 14f\n"
"zip2 v17.4s, v28.4s, v25.4s\n"
"str q17, [%x[out_ptr], #0x0]\n"
"zip2 v16.4s, v19.4s, v16.4s\n"
"sadalp v1.8h, v17.16b\n"
"str q16, [%x[out_ptr], #0x10]\n"
"add %x[out_ptr], %x[out_ptr], #0x20\n"
"sadalp v0.8h, v16.16b\n"
"14:" // Odds skip
"sadalp v31.4s, v1.8h\n"
"str q31, [%x[out_ptr], #0x0]\n"
"sadalp v30.4s, v0.8h\n"
"str q30, [%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", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27"
);
}
#endif // __aarch64__
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