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/*
* Copyright (c) 2022 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.
*/
#if defined(__ARM_FEATURE_SVE)
template <>
void interleave_block<4, 4, VLType::SME, true>(
uint8_t * &out, const uint8_t * const *in,
size_t width, size_t height, size_t row_offset, bool first
)
{
__asm__ __volatile__(
".inst 0xd503477f // SMSTART ZA\n"
"mov z24.b, #0x1\n"
"mov z23.s, #0x0\n"
"ptrue p2.b\n"
"mov z22.s, #0x0\n"
"cntw x16\n"
"mov z21.s, #0x0\n"
"cntw x15, ALL, MUL #2\n"
"mov z20.s, #0x0\n"
"cntw x14, ALL, MUL #3\n"
"cntb x11\n"
"ptrue p11.s\n"
"cntw x10\n"
"cmp %x[height], x10\n"
"csel x10, %x[height], x10, LT\n"
"sub x10, x10, #0x1\n"
"whilelt p10.b, XZR, %x[height]\n"
"whilelt p9.b, x16, %x[height]\n"
"whilelt p8.b, x15, %x[height]\n"
"zip1 p10.b, p10.b, p8.b\n"
"whilelt p8.b, x14, %x[height]\n"
"zip1 p9.b, p9.b, p8.b\n"
"mov x9, %x[row_offset]\n"
"mov x28, %x[out]\n"
"zip1 p10.b, p10.b, p9.b\n"
"cbnz %x[first], 1f\n"
"addvl x28, x28, #-4\n"
"ld1w { z23.s }, p2/Z, [x28]\n"
"ld1w { z22.s }, p2/Z, [x28, #1, MUL VL]\n"
"ld1w { z21.s }, p2/Z, [x28, #2, MUL VL]\n"
"ld1w { z20.s }, p2/Z, [x28, #3, MUL VL]\n"
"1:" // Initialise row sums: End
"mov x27, #0x0\n"
"whilelt p9.b, x27, %x[width]\n"
"whilelt p8.b, x27, %x[width]\n"
"2:" // Width loop
"mov x13, #0x0\n"
"add x26, %x[in], XZR, LSL #3\n"
"add x25, %x[in], x16, LSL #3\n"
"add x24, %x[in], x15, LSL #3\n"
"add x23, %x[in], x14, LSL #3\n"
"ldr x22, [x26], #0x8\n"
"ldr x21, [x25], #0x8\n"
"ldr x19, [x24], #0x8\n"
"ldr x20, [x23], #0x8\n"
"cbz x10, 4f\n"
"3:" // Loads: Loop
".inst 0x25256140 // dup p0.b, p8.b/Z, p10.b[w13]\n"
".inst 0xe00922c0 // ld1b { za0h.b[x13] }, p0/Z, [x22, x9]\n"
".inst 0x252d6140 // dup p0.b, p8.b/Z, p10.b[w13, #1]\n"
".inst 0x25356141 // dup p1.b, p8.b/Z, p10.b[w13, #2]\n"
".inst 0xe00922a1 // ld1b { za0h.b[x13, #1] }, p0/Z, [x21, x9]\n"
".inst 0x253d6140 // dup p0.b, p8.b/Z, p10.b[w13, #3]\n"
"ldr x22, [x26], #0x8\n"
".inst 0xe0092662 // ld1b { za0h.b[x13, #2] }, p1/Z, [x19, x9]\n"
"ldr x21, [x25], #0x8\n"
"ldr x19, [x24], #0x8\n"
".inst 0xe0092283 // ld1b { za0h.b[x13, #3] }, p0/Z, [x20, x9]\n"
"ldr x20, [x23], #0x8\n"
"add x13, x13, #0x4\n"
"cmp x13, x10, LSL #2\n"
"blt 3b\n"
"4:" // Loads: Tail
".inst 0x25256140 // dup p0.b, p8.b/Z, p10.b[w13]\n"
".inst 0xe00922c0 // ld1b { za0h.b[x13] }, p0/Z, [x22, x9]\n"
".inst 0x252d6140 // dup p0.b, p8.b/Z, p10.b[w13, #1]\n"
".inst 0x25356141 // dup p1.b, p8.b/Z, p10.b[w13, #2]\n"
".inst 0xe00922a1 // ld1b { za0h.b[x13, #1] }, p0/Z, [x21, x9]\n"
".inst 0x253d6140 // dup p0.b, p8.b/Z, p10.b[w13, #3]\n"
"mov x12, #0x0\n"
".inst 0xe0092662 // ld1b { za0h.b[x13, #2] }, p1/Z, [x19, x9]\n"
"sub x19, %x[width], x27\n"
"cmp x19, x11\n"
".inst 0xe0092283 // ld1b { za0h.b[x13, #3] }, p0/Z, [x20, x9]\n"
"csel x19, x19, x11, LT\n"
"add x19, x19, #0x3\n"
"lsr x19, x19, #0x2\n"
"5:" // Stores: Loop
".inst 0xc0828813 // mova z19.s, p2/M, za0v.s[x12]\n"
".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
".inst 0xe0bf8380 // st1w { za0v.s[x12] }, p0/Z, [x28, XZR, LSL #2]\n"
".inst 0xc0828892 // mova z18.s, p2/M, za1v.s[x12]\n"
".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
".inst 0xc0828911 // mova z17.s, p2/M, za2v.s[x12]\n"
".inst 0xe0b08384 // st1w { za1v.s[x12] }, p0/Z, [x28, x16, LSL #2]\n"
".inst 0x25306d21 // dup p1.s, p11.s/Z, p9.s[w12]\n"
".inst 0xc0828990 // mova z16.s, p2/M, za3v.s[x12]\n"
"udot z23.s, z19.b, z24.b\n"
".inst 0x25306d20 // dup p0.s, p11.s/Z, p9.s[w12]\n"
"udot z22.s, z18.b, z24.b\n"
".inst 0xe0af8788 // st1w { za2v.s[x12] }, p1/Z, [x28, x15, LSL #2]\n"
"udot z21.s, z17.b, z24.b\n"
"udot z20.s, z16.b, z24.b\n"
".inst 0xe0ae838c // st1w { za3v.s[x12] }, p0/Z, [x28, x14, LSL #2]\n"
"addvl x28, x28, #4\n"
"add x12, x12, #0x1\n"
"cmp x12, x19\n"
"blt 5b\n"
"incb x9\n"
"incb x27\n"
"whilelt p9.b, x27, %x[width]\n"
"whilelt p8.b, x27, %x[width]\n"
"b.any 2b\n"
"st1w { z23.s }, p2, [x28]\n"
"st1w { z22.s }, p2, [x28, #1, MUL VL]\n"
"st1w { z21.s }, p2, [x28, #2, MUL VL]\n"
"st1w { z20.s }, p2, [x28, #3, MUL VL]\n"
"addvl x28, x28, #4\n"
"mov %x[out], x28\n"
".inst 0xd503467f // SMSTOP\n"
: [out] "+&r" (out)
: [first] "r" (first), [height] "r" (height), [in] "r" (in), [row_offset] "r" (row_offset), [width] "r" (width)
: "cc", "memory", "p0", "p1", "p2", "p8", "p9", "p10", "p11", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "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"
);
}
#endif // defined(__ARM_FEATURE_SVE)
|
