| // Auto-generated file. Do not edit! |
| // Template: src/qs8-vadd/scalar.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 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/vadd.h> |
| |
| |
| void xnn_qs8_vadd_minmax_ukernel__scalar_x1( |
| size_t n, |
| const int8_t* input_a, |
| const int8_t* input_b, |
| int8_t* output, |
| const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| { |
| const int32_t vbias = params->scalar.bias; |
| const int32_t va_multiplier = params->scalar.a_multiplier; |
| const int32_t vb_multiplier = params->scalar.b_multiplier; |
| const int32_t vrounding = params->scalar.rounding; |
| const uint32_t vshift = params->scalar.shift; |
| const int32_t voutput_min_less_zero_point = params->scalar.output_min_less_zero_point; |
| const int32_t voutput_max_less_zero_point = params->scalar.output_max_less_zero_point; |
| const int32_t voutput_zero_point = params->scalar.output_zero_point; |
| |
| do { |
| const int32_t va = *input_a++; |
| const int32_t vb = *input_b++; |
| const int32_t vacc = vbias + va * va_multiplier + vb * vb_multiplier; |
| |
| int32_t vout = asr_s32(vacc + asr_s32(vacc, 31) + vrounding, vshift); |
| vout = math_max_s32(vout, voutput_min_less_zero_point); |
| vout = math_min_s32(vout, voutput_max_less_zero_point); |
| *output++ = (int8_t) (vout + voutput_zero_point); |
| |
| n -= sizeof(int8_t); |
| } while (n != 0); |
| } |