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// Auto-generated file. Do not edit!
// Template: src/qs8-gavgpool/multipass-neon.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/gavgpool.h>
#include <xnnpack/math.h>
void xnn_qs8_gavgpool_minmax_fp32_ukernel_7p7x__neon_c8(
size_t rows,
size_t channels,
const int8_t* input,
size_t input_stride,
const int8_t* zero,
int32_t* buffer,
int8_t* output,
const union xnn_qs8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(rows > 7);
assert(channels != 0);
const int8_t* i0 = input;
const int8_t* i1 = (const int8_t*) ((uintptr_t) i0 + input_stride);
const int8_t* i2 = (const int8_t*) ((uintptr_t) i1 + input_stride);
const int8_t* i3 = (const int8_t*) ((uintptr_t) i2 + input_stride);
const int8_t* i4 = (const int8_t*) ((uintptr_t) i3 + input_stride);
const int8_t* i5 = (const int8_t*) ((uintptr_t) i4 + input_stride);
const int8_t* i6 = (const int8_t*) ((uintptr_t) i5 + input_stride);
const size_t input_increment = 7 * input_stride - round_up_po2(channels, 8);
const int32x4_t vinit_bias = vld1q_dup_s32(&params->fp32_neon.init_bias);
int32_t* b = buffer;
size_t c = channels;
for (; c != 0; c = doz(c, 8)) {
const int8x8_t vi0x01234567 = vld1_s8(i0); i0 += 8;
const int8x8_t vi1x01234567 = vld1_s8(i1); i1 += 8;
const int8x8_t vi2x01234567 = vld1_s8(i2); i2 += 8;
int16x8_t vsum01234567 = vaddl_s8(vi0x01234567, vi1x01234567);
const int8x8_t vi3x01234567 = vld1_s8(i3); i3 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi2x01234567);
const int8x8_t vi4x01234567 = vld1_s8(i4); i4 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi3x01234567);
const int8x8_t vi5x01234567 = vld1_s8(i5); i5 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi4x01234567);
const int8x8_t vi6x01234567 = vld1_s8(i6); i6 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi5x01234567);
vsum01234567 = vaddw_s8(vsum01234567, vi6x01234567);
const int32x4_t vacc0123 = vaddw_s16(vinit_bias, vget_low_s16(vsum01234567));
const int32x4_t vacc4567 = vaddw_s16(vinit_bias, vget_high_s16(vsum01234567));
vst1q_s32(b, vacc0123); b += 4;
vst1q_s32(b, vacc4567); b += 4;
}
for (rows -= 7; rows > 7; rows -= 7) {
i0 = (const int8_t*) ((uintptr_t) i0 + input_increment);
i1 = (const int8_t*) ((uintptr_t) i1 + input_increment);
i2 = (const int8_t*) ((uintptr_t) i2 + input_increment);
i3 = (const int8_t*) ((uintptr_t) i3 + input_increment);
i4 = (const int8_t*) ((uintptr_t) i4 + input_increment);
i5 = (const int8_t*) ((uintptr_t) i5 + input_increment);
i6 = (const int8_t*) ((uintptr_t) i6 + input_increment);
int32_t* b = buffer;
size_t c = channels;
for (; c != 0; c = doz(c, 8)) {
const int8x8_t vi0x01234567 = vld1_s8(i0); i0 += 8;
const int8x8_t vi1x01234567 = vld1_s8(i1); i1 += 8;
const int8x8_t vi2x01234567 = vld1_s8(i2); i2 += 8;
int16x8_t vsum01234567 = vaddl_s8(vi0x01234567, vi1x01234567);
const int8x8_t vi3x01234567 = vld1_s8(i3); i3 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi2x01234567);
const int8x8_t vi4x01234567 = vld1_s8(i4); i4 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi3x01234567);
const int8x8_t vi5x01234567 = vld1_s8(i5); i5 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi4x01234567);
const int8x8_t vi6x01234567 = vld1_s8(i6); i6 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi5x01234567);
int32x4_t vacc0123 = vld1q_s32(b);
int32x4_t vacc4567 = vld1q_s32(b + 4);
vsum01234567 = vaddw_s8(vsum01234567, vi6x01234567);
vacc0123 = vaddw_s16(vacc0123, vget_low_s16(vsum01234567));
vacc4567 = vaddw_s16(vacc4567, vget_high_s16(vsum01234567));
vst1q_s32(b, vacc0123); b += 4;
vst1q_s32(b, vacc4567); b += 4;
}
}
i0 = (const int8_t*) ((uintptr_t) i0 + input_increment);
i1 = (const int8_t*) ((uintptr_t) i1 + input_increment);
if XNN_UNPREDICTABLE(rows < 2) {
i1 = zero;
}
i2 = (const int8_t*) ((uintptr_t) i2 + input_increment);
if XNN_UNPREDICTABLE(rows <= 2) {
i2 = zero;
}
i3 = (const int8_t*) ((uintptr_t) i3 + input_increment);
if XNN_UNPREDICTABLE(rows < 4) {
i3 = zero;
}
i4 = (const int8_t*) ((uintptr_t) i4 + input_increment);
if XNN_UNPREDICTABLE(rows <= 4) {
i4 = zero;
}
i5 = (const int8_t*) ((uintptr_t) i5 + input_increment);
if XNN_UNPREDICTABLE(rows < 6) {
i5 = zero;
}
i6 = (const int8_t*) ((uintptr_t) i6 + input_increment);
if XNN_UNPREDICTABLE(rows <= 6) {
i6 = zero;
}
const float32x4_t vscale = vld1q_dup_f32(&params->fp32_neon.scale);
const float32x4_t vmagic_bias = vld1q_dup_f32(&params->fp32_neon.magic_bias);
const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(&params->fp32_neon.magic_bias_less_output_zero_point);
const int8x8_t voutput_min = vld1_dup_s8(&params->fp32_neon.output_min);
const int8x8_t voutput_max = vld1_dup_s8(&params->fp32_neon.output_max);
for (; channels >= 8; channels -= 8) {
const int8x8_t vi0x01234567 = vld1_s8(i0); i0 += 8;
const int8x8_t vi1x01234567 = vld1_s8(i1); i1 += 8;
const int8x8_t vi2x01234567 = vld1_s8(i2); i2 += 8;
int16x8_t vsum01234567 = vaddl_s8(vi0x01234567, vi1x01234567);
const int8x8_t vi3x01234567 = vld1_s8(i3); i3 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi2x01234567);
const int8x8_t vi4x01234567 = vld1_s8(i4); i4 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi3x01234567);
const int8x8_t vi5x01234567 = vld1_s8(i5); i5 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi4x01234567);
const int8x8_t vi6x01234567 = vld1_s8(i6); i6 += 8;
vsum01234567 = vaddw_s8(vsum01234567, vi5x01234567);
int32x4_t vacc0123 = vld1q_s32(buffer); buffer += 4;
int32x4_t vacc4567 = vld1q_s32(buffer); buffer += 4;
vsum01234567 = vaddw_s8(vsum01234567, vi6x01234567);
vacc0123 = vaddw_s16(vacc0123, vget_low_s16(vsum01234567));
vacc4567 = vaddw_s16(vacc4567, vget_high_s16(vsum01234567));
float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
vacc0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0123, vmagic_bias));
vacc4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc4567, vmagic_bias));
vacc0123 = vqsubq_s32(vacc0123, vmagic_bias_less_output_zero_point);
vacc4567 = vqsubq_s32(vacc4567, vmagic_bias_less_output_zero_point);
#if XNN_ARCH_ARM64
int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
#else // !XNN_ARCH_ARM64
int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
#endif // !XNN_ARCH_ARM64
#if XNN_ARCH_ARM64
int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#else // !XNN_ARCH_ARM64
int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#endif // !XNN_ARCH_ARM64
vout01234567 = vmax_s8(vout01234567, voutput_min);
vout01234567 = vmin_s8(vout01234567, voutput_max);
vst1_s8(output, vout01234567); output += 8;
}
if XNN_UNLIKELY(channels != 0) {
{
const int8x8_t vi0x01234567 = vld1_s8(i0);
const int8x8_t vi1x01234567 = vld1_s8(i1);
const int8x8_t vi2x01234567 = vld1_s8(i2);
int16x8_t vsum01234567 = vaddl_s8(vi0x01234567, vi1x01234567);
const int8x8_t vi3x01234567 = vld1_s8(i3);
vsum01234567 = vaddw_s8(vsum01234567, vi2x01234567);
const int8x8_t vi4x01234567 = vld1_s8(i4);
vsum01234567 = vaddw_s8(vsum01234567, vi3x01234567);
const int8x8_t vi5x01234567 = vld1_s8(i5);
vsum01234567 = vaddw_s8(vsum01234567, vi4x01234567);
const int8x8_t vi6x01234567 = vld1_s8(i6);
vsum01234567 = vaddw_s8(vsum01234567, vi5x01234567);
int32x4_t vacc0123 = vld1q_s32(buffer); buffer += 4;
int32x4_t vacc4567 = vld1q_s32(buffer); buffer += 4;
vsum01234567 = vaddw_s8(vsum01234567, vi6x01234567);
vacc0123 = vaddw_s16(vacc0123, vget_low_s16(vsum01234567));
vacc4567 = vaddw_s16(vacc4567, vget_high_s16(vsum01234567));
float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
vacc0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0123, vmagic_bias));
vacc4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc4567, vmagic_bias));
vacc0123 = vqsubq_s32(vacc0123, vmagic_bias_less_output_zero_point);
vacc4567 = vqsubq_s32(vacc4567, vmagic_bias_less_output_zero_point);
#if XNN_ARCH_ARM64
int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
#else
int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
#endif
int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
vout01234567 = vmax_s8(vout01234567, voutput_min);
vout01234567 = vmin_s8(vout01234567, voutput_max);
if (channels & 4) {
vst1_lane_u32((void*) output, vreinterpret_u32_s8(vout01234567), 0); output += 4;
vout01234567 = vext_s8(vout01234567, vout01234567, 4);
}
if (channels & 2) {
vst1_lane_u16((void*) output, vreinterpret_u16_s8(vout01234567), 0); output += 2;
vout01234567 = vext_s8(vout01234567, vout01234567, 2);
}
if (channels & 1) {
vst1_lane_s8(output, vout01234567, 0);
}
}
}
}