| // Auto-generated file. Do not edit! |
| // Template: src/qs8-vaddc/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_vaddc_minmax_ukernel__scalar_x2( |
| 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 + (int32_t) *input_b * params->scalar.b_multiplier; |
| const int32_t va_multiplier = params->scalar.a_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; |
| |
| for (; n >= 2 * sizeof(int8_t); n -= 2 * sizeof(int8_t)) { |
| const int32_t va0 = input_a[0]; |
| const int32_t va1 = input_a[1]; |
| input_a += 2; |
| |
| const int32_t vacc0 = vbias + va0 * va_multiplier; |
| const int32_t vacc1 = vbias + va1 * va_multiplier; |
| input_b += 2; |
| |
| int32_t vout0 = asr_s32(vacc0 + vrounding, vshift); |
| int32_t vout1 = asr_s32(vacc1 + vrounding, vshift); |
| |
| vout0 = math_max_s32(vout0, voutput_min_less_zero_point); |
| vout1 = math_max_s32(vout1, voutput_min_less_zero_point); |
| |
| vout0 = math_min_s32(vout0, voutput_max_less_zero_point); |
| vout1 = math_min_s32(vout1, voutput_max_less_zero_point); |
| |
| vout0 += voutput_zero_point; |
| vout1 += voutput_zero_point; |
| |
| output[0] = vout0; |
| output[1] = vout1; |
| output += 2; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| const int32_t va = *input_a; |
| const int32_t vacc = vbias + va * va_multiplier; |
| |
| int32_t vout = asr_s32(vacc + 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); |
| } |
| } |