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// Auto-generated file. Do not edit!
// Template: src/f32-spmm/neon-pipelined.c.in
// Generator: tools/xngen
//
// Copyright 2019 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/spmm.h>
void xnn_f32_spmm_minmax_ukernel_4x1__neon_pipelined(
size_t mc,
size_t nc,
const float*restrict input,
const float*restrict weights,
const int32_t*restrict widx_dmap,
const uint32_t*restrict nidx_nnzmap,
float*restrict output,
size_t output_stride,
const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(mc != 0);
assert(mc % sizeof(float) == 0);
assert(nc != 0);
const float32x4_t vmin = vld1q_dup_f32(&params->scalar.min);
const float32x4_t vmax = vld1q_dup_f32(&params->scalar.max);
size_t output_decrement = output_stride * nc - 4 * sizeof(float);
while XNN_LIKELY(mc >= 4 * sizeof(float)) {
const float*restrict w = weights;
const int32_t* dmap = widx_dmap;
const uint32_t* nnzmap = nidx_nnzmap;
float32x4_t vw = vld1q_dup_f32(w); w += 1;
intptr_t diff = *dmap++;
float32x4_t vi0123 = vld1q_f32(input);
size_t n = nc;
do {
uint32_t nnz = *nnzmap++;
float32x4_t vacc0123 = vw;
vw = vld1q_dup_f32(w); w += 1;
if XNN_LIKELY(nnz != 0) {
do {
vacc0123 = vmlaq_f32(vacc0123, vi0123, vw);
input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
__builtin_prefetch(input + 16);
diff = *dmap++;
vw = vld1q_dup_f32(w); w += 1;
__builtin_prefetch(w + 32);
vi0123 = vld1q_f32(input);
} while (--nnz != 0);
}
float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
vout0123 = vmaxq_f32(vout0123, vmin);
vst1q_f32(output, vout0123);
output = (float*restrict) ((uintptr_t) output + output_stride);
} while (--n != 0);
output = (float*restrict) ((uintptr_t) output - output_decrement);
input += 4;
mc -= 4 * sizeof(float);
}
if XNN_UNLIKELY(mc != 0) {
output_decrement += 2 * sizeof(float);
if (mc & (2 * sizeof(float))) {
const float*restrict w = weights;
const int32_t* dmap = widx_dmap;
const uint32_t* nnzmap = nidx_nnzmap;
size_t n = nc;
do {
uint32_t nnz = *nnzmap++;
float32x2_t vacc01 = vld1_dup_f32(w); w += 1;
if XNN_LIKELY(nnz != 0) {
do {
const intptr_t diff = *dmap++;
const float32x2_t vi01 = vld1_f32(input);
input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
__builtin_prefetch(input + 16);
const float32x2_t vb = vld1_dup_f32(w); w += 1;
__builtin_prefetch(w + 32);
vacc01 = vmla_f32(vacc01, vi01, vb);
} while (--nnz != 0);
}
float32x2_t vout01 = vmin_f32(vacc01, vget_low_f32(vmax));
vout01 = vmax_f32(vout01, vget_low_f32(vmin));
vst1_f32(output, vout01);
output = (float*restrict) ((uintptr_t) output + output_stride);
} while (--n != 0);
output = (float*restrict) ((uintptr_t) output - output_decrement);
input += 2;
}
output_decrement += 1 * sizeof(float);
if (mc & (1 * sizeof(float))) {
const float*restrict w = weights;
const int32_t* dmap = widx_dmap;
const uint32_t* nnzmap = nidx_nnzmap;
size_t n = nc;
do {
uint32_t nnz = *nnzmap++;
float32x2_t vacc0 = vld1_dup_f32(w); w += 1;
if XNN_LIKELY(nnz != 0) {
do {
const intptr_t diff = *dmap++;
const float32x2_t vi0 = vld1_dup_f32(input);
input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
__builtin_prefetch(input + 16);
const float32x2_t vb = vld1_dup_f32(w); w += 1;
__builtin_prefetch(w + 32);
vacc0 = vmla_f32(vacc0, vi0, vb);
} while (--nnz != 0);
}
float32x2_t vout0 = vmin_f32(vacc0, vget_low_f32(vmax));
vout0 = vmax_f32(vout0, vget_low_f32(vmin));
vst1_lane_f32(output, vout0, 0);
output = (float*restrict) ((uintptr_t) output + output_stride);
} while (--n != 0);
output = (float*restrict) ((uintptr_t) output - output_decrement);
input += 1;
}
}
}