| // Auto-generated file. Do not edit! |
| // Template: src/qs8-vaddc/neon.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2020 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/vadd.h> |
| |
| |
| void xnn_qu8_vaddc_minmax_ukernel__neon_ld64_x8( |
| size_t n, |
| const uint8_t* input_a, |
| const uint8_t* input_b, |
| uint8_t* output, |
| const union xnn_qu8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| { |
| const uint8x8_t va_zero_point = vld1_dup_u8(¶ms->neon.a_zero_point); |
| const int32x4_t va_multiplier = vld1q_dup_s32(¶ms->neon.a_multiplier); |
| const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift); |
| const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point); |
| const uint8x8_t voutput_min = vld1_dup_u8(¶ms->neon.output_min); |
| const uint8x8_t voutput_max = vld1_dup_u8(¶ms->neon.output_max); |
| |
| const int32_t vxb = (int32_t) *input_b - (int32_t) params->neon.b_zero_point; |
| const int32_t vb = params->neon.b_multiplier; |
| const int32x4_t vbias = vdupq_n_s32(vxb * vb); |
| |
| for (; n >= 8 * sizeof(uint8_t); n -= 8 * sizeof(uint8_t)) { |
| const uint8x8_t va01234567 = vld1_u8(input_a); input_a += 8; |
| |
| const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point)); |
| |
| int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier); |
| int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier); |
| |
| vacc0123 = vrshlq_s32(vacc0123, vright_shift); |
| vacc4567 = vrshlq_s32(vacc4567, vright_shift); |
| |
| const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point); |
| |
| uint8x8_t vout01234567 = vqmovun_s16(vacc01234567); |
| |
| vout01234567 = vmax_u8(vout01234567, voutput_min); |
| |
| vout01234567 = vmin_u8(vout01234567, voutput_max); |
| |
| vst1_u8(output, vout01234567); output += 8; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| { |
| const uint8x8_t va01234567 = vld1_u8(input_a); |
| |
| const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point)); |
| |
| int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier); |
| int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier); |
| |
| vacc0123 = vrshlq_s32(vacc0123, vright_shift); |
| vacc4567 = vrshlq_s32(vacc4567, vright_shift); |
| |
| const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point); |
| |
| uint8x8_t vout01234567 = vqmovun_s16(vacc01234567); |
| vout01234567 = vmax_u8(vout01234567, voutput_min); |
| vout01234567 = vmin_u8(vout01234567, voutput_max); |
| |
| if (n & (4 * sizeof(uint8_t))) { |
| vst1_lane_u32(__builtin_assume_aligned(output, 1), vreinterpret_u32_u8(vout01234567), 0); output += 4; |
| vout01234567 = vext_u8(vout01234567, vout01234567, 4); |
| } |
| if (n & (2 * sizeof(uint8_t))) { |
| vst1_lane_u16(__builtin_assume_aligned(output, 1), vreinterpret_u16_u8(vout01234567), 0); output += 2; |
| vout01234567 = vext_u8(vout01234567, vout01234567, 2); |
| } |
| if (n & (1 * sizeof(uint8_t))) { |
| vst1_lane_u8(output, vout01234567, 0); |
| } |
| } |
| } |
| } |