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// Auto-generated file. Do not edit!
// Template: src/u32-filterbank-accumulate/scalar.c.in
// Generator: tools/xngen
//
// Copyright 2022 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 <stddef.h>
#include <stdint.h>
#include <xnnpack/filterbank.h>
#include <xnnpack/math.h>
void xnn_u32_filterbank_accumulate_ukernel__scalar_x1(
size_t rows,
const uint32_t* input,
const uint8_t* weight_widths,
const uint16_t* weights,
uint64_t* output) {
assert(rows != 0);
assert(input != NULL);
assert(weight_widths != NULL);
assert(weights != NULL);
assert(output != NULL);
uint64_t weight_accumulator = 0;
uint64_t unweight_accumulator = 0;
// compute unweight as initial weight
size_t n = (size_t) *weight_widths++;
assert(n != 0);
do {
const uint32_t vi = *input++;
const uint32_t vu = (uint32_t) weights[1]; // unweight
weights += 2;
const uint64_t vuacc = math_mulext_u32(vi, vu);
weight_accumulator += vuacc;
} while (--n != 0);
do {
size_t n = (size_t) *weight_widths++;
assert(n != 0);
do {
const uint32_t vi = *input++;
const uint32_t vw = (uint32_t) weights[0]; // weight
const uint32_t vu = (uint32_t) weights[1]; // unweight
weights += 2;
const uint64_t vwacc = math_mulext_u32(vi, vw);
const uint64_t vuacc = math_mulext_u32(vi, vu);
weight_accumulator += vwacc;
unweight_accumulator += vuacc;
} while (--n != 0);
*output++ = weight_accumulator;
weight_accumulator = unweight_accumulator;
unweight_accumulator = 0;
} while (--rows != 0);
}
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