| // Auto-generated file. Do not edit! |
| // Template: src/qs8-vadd/neon-ld64.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_qs8_vadd_minmax_ukernel__neon_ld64_x8( |
| 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 int8x8_t va_zero_point = vld1_dup_s8(¶ms->neon.a_zero_point); |
| const int8x8_t vb_zero_point = vld1_dup_s8(¶ms->neon.b_zero_point); |
| const int32x4_t va_multiplier = vld1q_dup_s32(¶ms->neon.a_multiplier); |
| const int32x4_t vb_multiplier = vld1q_dup_s32(¶ms->neon.b_multiplier); |
| const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift); |
| const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0))); |
| const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point); |
| const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min); |
| const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max); |
| |
| for (; n >= 8 * sizeof(int8_t); n -= 8 * sizeof(int8_t)) { |
| const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8; |
| const int8x8_t vb01234567 = vld1_s8(input_b); input_b += 8; |
| |
| const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point); |
| const int16x8_t vxb01234567 = vsubl_s8(vb01234567, vb_zero_point); |
| |
| int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier); |
| int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier); |
| |
| vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vxb01234567)), vb_multiplier); |
| vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vxb01234567)), vb_multiplier); |
| |
| vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31); |
| vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31); |
| |
| 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); |
| |
| int8x8_t vout01234567 = vqmovn_s16(vacc01234567); |
| |
| vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min)); |
| |
| vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max)); |
| |
| vst1_s8(output, vout01234567); output += 8; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| { |
| const int8x8_t va01234567 = vld1_s8(input_a); |
| const int8x8_t vb01234567 = vld1_s8(input_b); |
| |
| const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point); |
| const int16x8_t vxb01234567 = vsubl_s8(vb01234567, vb_zero_point); |
| |
| int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier); |
| int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier); |
| |
| vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vxb01234567)), vb_multiplier); |
| vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vxb01234567)), vb_multiplier); |
| |
| vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31); |
| vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31); |
| |
| 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); |
| |
| int8x8_t vout01234567 = vqmovn_s16(vacc01234567); |
| vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min)); |
| vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max)); |
| |
| if (n & (4 * sizeof(int8_t))) { |
| vst1_lane_u32(__builtin_assume_aligned(output, 1), vreinterpret_u32_s8(vout01234567), 0); output += 4; |
| vout01234567 = vext_s8(vout01234567, vout01234567, 4); |
| } |
| if (n & (2 * sizeof(int8_t))) { |
| vst1_lane_u16(__builtin_assume_aligned(output, 1), vreinterpret_u16_s8(vout01234567), 0); output += 2; |
| vout01234567 = vext_s8(vout01234567, vout01234567, 2); |
| } |
| if (n & (1 * sizeof(int8_t))) { |
| vst1_lane_s8(output, vout01234567, 0); |
| } |
| } |
| } |
| } |