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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.
*/
#include <cstdint>
#if defined(__ARM_FEATURE_SVE) && defined(__ARM_FP16_ARGS)
namespace arm_conv {
namespace pooling {
void sve_fp16_nhwc_max_generic_depthfirst_impl(
const uint64_t,
const uint64_t n_valid_cells,
uint64_t n_channels,
const __fp16 *const *const inptrs,
__fp16 *outptr
)
{
__asm__ __volatile__(
"ptrue p4.b\n"
"mov x28, #0x0\n"
"cnth x27\n"
"cnth x26, ALL, MUL #2\n"
"cnth x25, ALL, MUL #3\n"
"whilelt p3.h, x28, %x[n_channels]\n"
"whilelt p2.h, x27, %x[n_channels]\n"
"whilelt p1.h, x26, %x[n_channels]\n"
"whilelt p0.h, x25, %x[n_channels]\n"
"b.none 7f\n"
"1:" // 4-vectors of channels
"mov z7.h, #0xfc00\n"
"mov x19, %x[inptrs]\n"
"mov z6.h, #0xfc00\n"
"lsr x24, %x[n_valid_cells], #0x2\n"
"mov z5.h, #0xfc00\n"
"mov z4.h, #0xfc00\n"
"cbz x24, 4f\n"
"ldp x23, x22, [x19, #0x0]\n"
"ldp x21, x20, [x19, #0x10]\n"
"add x19, x19, #0x20\n"
"subs x24, x24, #0x1\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"ld1h { z2.h }, p3/Z, [x22, x28, LSL #1]\n"
"ld1h { z1.h }, p3/Z, [x21, x28, LSL #1]\n"
"ld1h { z0.h }, p3/Z, [x20, x28, LSL #1]\n"
"ld1h { z31.h }, p2/Z, [x23, x27, LSL #1]\n"
"ld1h { z30.h }, p2/Z, [x22, x27, LSL #1]\n"
"ld1h { z22.h }, p2/Z, [x21, x27, LSL #1]\n"
"ld1h { z29.h }, p2/Z, [x20, x27, LSL #1]\n"
"ld1h { z28.h }, p1/Z, [x23, x26, LSL #1]\n"
"ld1h { z27.h }, p1/Z, [x22, x26, LSL #1]\n"
"ld1h { z21.h }, p1/Z, [x21, x26, LSL #1]\n"
"ld1h { z26.h }, p1/Z, [x20, x26, LSL #1]\n"
"ld1h { z16.h }, p0/Z, [x23, x25, LSL #1]\n"
"ld1h { z25.h }, p0/Z, [x22, x25, LSL #1]\n"
"ld1h { z20.h }, p0/Z, [x21, x25, LSL #1]\n"
"ld1h { z24.h }, p0/Z, [x20, x25, LSL #1]\n"
"beq 3f\n"
"2:" // 4-vectors of channels: 4 inputs loop
"movprfx z19, z3\n fmax z19.h, p4/M, z19.h, z2.h\n"
"ldp x23, x22, [x19, #0x0]\n"
"subs x24, x24, #0x1\n"
"movprfx z23, z1\n fmax z23.h, p4/M, z23.h, z0.h\n"
"ldp x21, x20, [x19, #0x10]\n"
"add x19, x19, #0x20\n"
"movprfx z18, z31\n fmax z18.h, p4/M, z18.h, z30.h\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"fmax z22.h, p4/M, z22.h, z29.h\n"
"movprfx z17, z28\n fmax z17.h, p4/M, z17.h, z27.h\n"
"ld1h { z2.h }, p3/Z, [x22, x28, LSL #1]\n"
"fmax z21.h, p4/M, z21.h, z26.h\n"
"ld1h { z1.h }, p3/Z, [x21, x28, LSL #1]\n"
"fmax z16.h, p4/M, z16.h, z25.h\n"
"ld1h { z0.h }, p3/Z, [x20, x28, LSL #1]\n"
"fmax z20.h, p4/M, z20.h, z24.h\n"
"ld1h { z31.h }, p2/Z, [x23, x27, LSL #1]\n"
"fmax z19.h, p4/M, z19.h, z23.h\n"
"ld1h { z30.h }, p2/Z, [x22, x27, LSL #1]\n"
"fmax z18.h, p4/M, z18.h, z22.h\n"
"ld1h { z22.h }, p2/Z, [x21, x27, LSL #1]\n"
"fmax z17.h, p4/M, z17.h, z21.h\n"
"ld1h { z29.h }, p2/Z, [x20, x27, LSL #1]\n"
"fmax z16.h, p4/M, z16.h, z20.h\n"
"ld1h { z28.h }, p1/Z, [x23, x26, LSL #1]\n"
"fmax z7.h, p4/M, z7.h, z19.h\n"
"ld1h { z27.h }, p1/Z, [x22, x26, LSL #1]\n"
"fmax z6.h, p4/M, z6.h, z18.h\n"
"ld1h { z21.h }, p1/Z, [x21, x26, LSL #1]\n"
"fmax z5.h, p4/M, z5.h, z17.h\n"
"ld1h { z26.h }, p1/Z, [x20, x26, LSL #1]\n"
"fmax z4.h, p4/M, z4.h, z16.h\n"
"ld1h { z16.h }, p0/Z, [x23, x25, LSL #1]\n"
"ld1h { z25.h }, p0/Z, [x22, x25, LSL #1]\n"
"ld1h { z20.h }, p0/Z, [x21, x25, LSL #1]\n"
"ld1h { z24.h }, p0/Z, [x20, x25, LSL #1]\n"
"bgt 2b\n"
"3:" // 4-vectors of channels: 4 inputs tail
"movprfx z19, z3\n fmax z19.h, p4/M, z19.h, z2.h\n"
"movprfx z23, z1\n fmax z23.h, p4/M, z23.h, z0.h\n"
"movprfx z18, z31\n fmax z18.h, p4/M, z18.h, z30.h\n"
"fmax z22.h, p4/M, z22.h, z29.h\n"
"movprfx z17, z28\n fmax z17.h, p4/M, z17.h, z27.h\n"
"fmax z21.h, p4/M, z21.h, z26.h\n"
"fmax z16.h, p4/M, z16.h, z25.h\n"
"fmax z20.h, p4/M, z20.h, z24.h\n"
"fmax z19.h, p4/M, z19.h, z23.h\n"
"fmax z18.h, p4/M, z18.h, z22.h\n"
"fmax z17.h, p4/M, z17.h, z21.h\n"
"fmax z16.h, p4/M, z16.h, z20.h\n"
"fmax z7.h, p4/M, z7.h, z19.h\n"
"fmax z6.h, p4/M, z6.h, z18.h\n"
"fmax z5.h, p4/M, z5.h, z17.h\n"
"fmax z4.h, p4/M, z4.h, z16.h\n"
"4:" // 4-vectors of channels: After loop
"ands x20, %x[n_valid_cells], #0x3\n"
"beq 6f\n"
"5:" // 4-vectors of channels: Single input loop
"ldr x23, [x19], #0x8\n"
"subs x20, x20, #0x1\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"fmax z7.h, p4/M, z7.h, z3.h\n"
"ld1h { z31.h }, p2/Z, [x23, x27, LSL #1]\n"
"ld1h { z28.h }, p1/Z, [x23, x26, LSL #1]\n"
"fmax z6.h, p4/M, z6.h, z31.h\n"
"ld1h { z16.h }, p0/Z, [x23, x25, LSL #1]\n"
"fmax z5.h, p4/M, z5.h, z28.h\n"
"fmax z4.h, p4/M, z4.h, z16.h\n"
"bgt 5b\n"
"6:" // 4-vectors of channels: Single input loop: End
"st1h { z7.h }, p3, [%x[outptr], x28, LSL #1]\n"
"inch x28, ALL, MUL #4\n"
"st1h { z6.h }, p2, [%x[outptr], x27, LSL #1]\n"
"inch x27, ALL, MUL #4\n"
"st1h { z5.h }, p1, [%x[outptr], x26, LSL #1]\n"
"inch x26, ALL, MUL #4\n"
"st1h { z4.h }, p0, [%x[outptr], x25, LSL #1]\n"
"inch x25, ALL, MUL #4\n"
"whilelt p0.h, x25, %x[n_channels]\n"
"b.any 1b\n"
"7:" // Single vector of channels
"whilelt p3.h, x28, %x[n_channels]\n"
"b.none 14f\n"
"8:" // Single vector of channels: Loop
"mov z7.h, #0xfc00\n"
"mov x19, %x[inptrs]\n"
"lsr x24, %x[n_valid_cells], #0x2\n"
"cbz x24, 11f\n"
"ldp x23, x22, [x19, #0x0]\n"
"ldp x21, x20, [x19, #0x10]\n"
"add x19, x19, #0x20\n"
"subs x24, x24, #0x1\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"ld1h { z2.h }, p3/Z, [x22, x28, LSL #1]\n"
"ld1h { z1.h }, p3/Z, [x21, x28, LSL #1]\n"
"ld1h { z0.h }, p3/Z, [x20, x28, LSL #1]\n"
"beq 10f\n"
"9:" // Single vector of channels: Loop: 4 inputs loop
"movprfx z19, z3\n fmax z19.h, p4/M, z19.h, z2.h\n"
"ldp x23, x22, [x19, #0x0]\n"
"subs x24, x24, #0x1\n"
"movprfx z23, z1\n fmax z23.h, p4/M, z23.h, z0.h\n"
"ldp x21, x20, [x19, #0x10]\n"
"add x19, x19, #0x20\n"
"fmax z19.h, p4/M, z19.h, z23.h\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"ld1h { z2.h }, p3/Z, [x22, x28, LSL #1]\n"
"fmax z7.h, p4/M, z7.h, z19.h\n"
"ld1h { z1.h }, p3/Z, [x21, x28, LSL #1]\n"
"ld1h { z0.h }, p3/Z, [x20, x28, LSL #1]\n"
"bgt 9b\n"
"10:" // Single vector of channels: Loop: 4 inputs tail
"movprfx z19, z3\n fmax z19.h, p4/M, z19.h, z2.h\n"
"movprfx z23, z1\n fmax z23.h, p4/M, z23.h, z0.h\n"
"fmax z19.h, p4/M, z19.h, z23.h\n"
"fmax z7.h, p4/M, z7.h, z19.h\n"
"11:" // Single vector of channels: Loop: After loop
"ands x20, %x[n_valid_cells], #0x3\n"
"beq 13f\n"
"12:" // Single vector of channels: Loop: Single input loop
"ldr x23, [x19], #0x8\n"
"subs x20, x20, #0x1\n"
"ld1h { z3.h }, p3/Z, [x23, x28, LSL #1]\n"
"fmax z7.h, p4/M, z7.h, z3.h\n"
"bgt 12b\n"
"13:" // Single vector of channels: Loop: Single input loop: End
"st1h { z7.h }, p3, [%x[outptr], x28, LSL #1]\n"
"inch x28\n"
"whilelt p3.h, x28, %x[n_channels]\n"
"b.any 8b\n"
"14:" // End
:
: [inptrs] "r" (inptrs), [n_channels] "r" (n_channels), [n_valid_cells] "r" (n_valid_cells), [outptr] "r" (outptr)
: "cc", "memory", "p0", "p1", "p2", "p3", "p4", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31"
);
}
} // namespace pooling
} // namespace arm_conv
#endif // defined(__ARM_FEATURE_SVE) && defined(__ARM_FP16_ARGS)
|
