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// Auto-generated file. Do not edit!
// Template: src/f16-dwconv/unipass-neonfp16arith.c.in
// Generator: tools/xngen
//
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#include <assert.h>
#include <arm_neon.h>
#include <xnnpack/dwconv.h>
void xnn_f16_dwconv_minmax_ukernel_3p16c__neonfp16arith_acc2(
size_t channels,
size_t output_width,
const void** input,
const void* weights,
void* output_ptr,
intptr_t input_stride,
size_t output_increment,
size_t input_offset,
const void* zero,
const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(channels != 0);
assert(output_width != 0);
uint16_t* output = (uint16_t*) output_ptr;
const float16x8_t vmin = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->fp16arith.min));
const float16x8_t vmax = vreinterpretq_f16_u16(vld1q_dup_u16(¶ms->fp16arith.max));
do {
const uint16_t* i0 = (const uint16_t*) input[0];
assert(i0 != NULL);
if XNN_UNPREDICTABLE(i0 != (const uint16_t*) zero) {
i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
}
const uint16_t* i1 = (const uint16_t*) input[1];
assert(i1 != NULL);
if XNN_UNPREDICTABLE(i1 != (const uint16_t*) zero) {
i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
}
const uint16_t* i2 = (const uint16_t*) input[2];
assert(i2 != NULL);
if XNN_UNPREDICTABLE(i2 != (const uint16_t*) zero) {
i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
}
input = (const void**) ((uintptr_t) input + input_stride);
size_t c = channels;
const uint16_t* w = (const uint16_t*) weights;
for (; c >= 16; c -= 16) {
float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
float16x8_t vacc89ABCDEFp0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
const float16x8_t vi0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
const float16x8_t vk0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi0x89ABCDEF, vk0x89ABCDEF);
const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
const float16x8_t vi1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
const float16x8_t vk1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
float16x8_t vacc01234567p1 = vmulq_f16(vi1x01234567, vk1x01234567);
float16x8_t vacc89ABCDEFp1 = vmulq_f16(vi1x89ABCDEF, vk1x89ABCDEF);
const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
const float16x8_t vk2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi2x89ABCDEF, vk2x89ABCDEF);
// Add up all accumulators to vacc0123456789ABCDEFp0
vacc01234567p0 = vaddq_f16(vacc01234567p0, vacc01234567p1);
vacc89ABCDEFp0 = vaddq_f16(vacc89ABCDEFp0, vacc89ABCDEFp1);
float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
float16x8_t vacc89ABCDEF = vmaxq_f16(vacc89ABCDEFp0, vmin);
vacc01234567 = vminq_f16(vacc01234567, vmax);
vacc89ABCDEF = vminq_f16(vacc89ABCDEF, vmax);
vst1q_u16(output, vreinterpretq_u16_f16(vacc01234567)); output += 8;
vst1q_u16(output, vreinterpretq_u16_f16(vacc89ABCDEF)); output += 8;
}
for (; c >= 8; c -= 8) {
float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 8));
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 24));
float16x8_t vacc01234567p1 = vmulq_f16(vi1x01234567, vk1x01234567);
const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 40));
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
// Add up all accumulators to vacc01234567p0
vacc01234567p0 = vaddq_f16(vacc01234567p0, vacc01234567p1);
float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
vacc01234567 = vminq_f16(vacc01234567, vmax);
vst1q_u16(output, vreinterpretq_u16_f16(vacc01234567)); output += 8;
}
if XNN_UNLIKELY(c != 0) {
float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w));
const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0));
const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 16));
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1));
const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 32));
float16x8_t vacc01234567p1 = vmulq_f16(vi1x01234567, vk1x01234567);
const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2));
const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w + 48));
vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
// Add up all accumulators to vacc01234567p0
vacc01234567p0 = vaddq_f16(vacc01234567p0, vacc01234567p1);
float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
vacc01234567 = vminq_f16(vacc01234567, vmax);
float16x4_t vacc0123 = vget_low_f16(vacc01234567);
if (c & 4) {
vst1_u16(output, vreinterpret_u16_f16(vacc0123)); output += 4;
vacc0123 = vget_high_f16(vacc01234567);
}
if (c & 2) {
vst1_lane_u32((void*) output, vreinterpret_u32_f16(vacc0123), 0); output += 2;
vacc0123 = vext_f16(vacc0123, vacc0123, 2);
}
if (c & 1) {
vst1_lane_u16(output, vreinterpret_u16_f16(vacc0123), 0); output += 1;
}
}
output = (uint16_t*) ((uintptr_t) output + output_increment);
} while (--output_width != 0);
}
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