/* * 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 #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)