xref: /aosp_15_r20/external/XNNPACK/src/qu8-vlrelu/gen/vlrelu-scalar-select-x1.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)

// Auto-generated file. Do not edit!
//   Template: src/qs8-vlrelu/scalar-select.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 <xnnpack/math.h>
#include <xnnpack/vlrelu.h>


void xnn_qu8_vlrelu_ukernel__scalar_select_x1(
    size_t n,
    const uint8_t* x,
    uint8_t* y,
    const union xnn_qu8_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)])
{
  const int32_t vinput_zero_point = params->scalar_select.input_zero_point;
  const int32_t vpositive_multiplier = params->scalar_select.positive_multiplier;
  const int32_t vnegative_multiplier = params->scalar_select.negative_multiplier;
  const int32_t vbias = params->scalar_select.bias;
  do {
    int32_t vacc = (int32_t) *x++ - vinput_zero_point;
    const int32_t vmultiplier = XNN_UNPREDICTABLE(vacc >= 0) ? vpositive_multiplier : vnegative_multiplier;
    vacc = vbias + vacc * vmultiplier;

    int32_t vout = math_asr_s32(vacc, 8);
    vout = math_max_s32(vout, 0);
    vout = math_min_s32(vout, 255);
    *y++ = (uint8_t) vout;

    n -= sizeof(uint8_t);
  } while (n != 0);
}