text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-vmul/neon.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 <arm_neon.h>
  
  #include <xnnpack/intrinsics-polyfill.h>
  #include <xnnpack/vmul.h>
  
  
  void xnn_qu8_vmul_minmax_fp32_ukernel__neonv8_ld64_x8(
      size_t n,
      const uint8_t* input_a,
      const uint8_t* input_b,
      uint8_t* output,
      const union xnn_qu8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
  {
    const uint8x8_t va_zero_point = vld1_dup_u8(params->fp32_neonv8.a_zero_point);
    const uint8x8_t vb_zero_point = vld1_dup_u8(params->fp32_neonv8.b_zero_point);
    const float32x4_t vscale = vld1q_dup_f32(&params->fp32_neonv8.scale);
    const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->fp32_neonv8.output_zero_point);
    const uint8x8_t voutput_min = vld1_dup_u8(&params->fp32_neonv8.output_min);
    const uint8x8_t voutput_max = vld1_dup_u8(&params->fp32_neonv8.output_max);
  
    for (; n >= 8 * sizeof(uint8_t); n -= 8 * sizeof(uint8_t)) {
      const uint8x8_t va01234567 = vld1_u8(input_a); input_a += 8;
      const uint8x8_t vb01234567 = vld1_u8(input_b); input_b += 8;
  
      const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point));
      const int16x8_t vxb01234567 = vreinterpretq_s16_u16(vsubl_u8(vb01234567, vb_zero_point));
  
      int32x4_t vacc0123 = vmull_s16(vget_low_s16(vxa01234567), vget_low_s16(vxb01234567));
      int32x4_t vacc4567 = vmull_s16(vget_high_s16(vxa01234567), vget_high_s16(vxb01234567));
  
      float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
      float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
  
      vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
      vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
  
      vacc0123 = vcvtnq_s32_f32(vfpacc0123);
      vacc4567 = vcvtnq_s32_f32(vfpacc4567);
  
  #if XNN_ARCH_ARM64
      int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
  
      vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
  
      uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
  #else
      int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
  
      vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
  
      uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
  #endif
  
      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 uint8x8_t vb01234567 = vld1_u8(input_b);
  
        const int16x8_t vxa01234567 = vreinterpretq_s16_u16(vsubl_u8(va01234567, va_zero_point));
        const int16x8_t vxb01234567 = vreinterpretq_s16_u16(vsubl_u8(vb01234567, vb_zero_point));
  
        int32x4_t vacc0123 = vmull_s16(vget_low_s16(vxa01234567), vget_low_s16(vxb01234567));
        int32x4_t vacc4567 = vmull_s16(vget_high_s16(vxa01234567), vget_high_s16(vxb01234567));
  
        float32x4_t vfpacc0123 = vcvtq_f32_s32(vacc0123);
        float32x4_t vfpacc4567 = vcvtq_f32_s32(vacc4567);
  
        vfpacc0123 = vmulq_f32(vfpacc0123, vscale);
        vfpacc4567 = vmulq_f32(vfpacc4567, vscale);
  
        vacc0123 = vcvtnq_s32_f32(vfpacc0123);
        vacc4567 = vcvtnq_s32_f32(vfpacc4567);
  
  #if XNN_ARCH_ARM64
        int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
        vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
        uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
  #else
        int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
        vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
        uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
  #endif
  
        vout01234567 = vmax_u8(vout01234567, voutput_min);
        vout01234567 = vmin_u8(vout01234567, voutput_max);
  
        if (n & (4 * sizeof(uint8_t))) {
          vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout01234567), 0); output += 4;
          vout01234567 = vext_u8(vout01234567, vout01234567, 4);
        }
        if (n & (2 * sizeof(uint8_t))) {
          vst1_lane_u16((void*) output, 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);
        }
      }
    }
  }
  