text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-igemm/c4-neon-mull-shuffle.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/gemm.h>
  #include <xnnpack/math.h>
  
  
  void xnn_qs8_igemm_minmax_fp32_ukernel_1x8c4s2__neon_mlal(
      size_t mr,
      size_t nc,
      size_t kc,
      size_t ks,
      const int8_t** restrict a,
      const void* restrict w,
      int8_t* restrict c,
      size_t cm_stride,
      size_t cn_stride,
      size_t a_offset,
      const int8_t* zero,
      const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
  {
    assert(mr != 0);
    assert(mr <= 1);
    assert(nc != 0);
    assert(kc != 0);
    assert(ks != 0);
    assert(ks % (1 * sizeof(void*)) == 0);
    assert(a_offset % sizeof(int8_t) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    int8_t* c0 = c;
  
    kc = round_up_po2(kc, 8 * sizeof(int8_t));
    do {
      int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
      int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
      int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
      int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const int32_t*) w + 2;
  
      size_t p = ks;
      do {
        const int8_t* restrict a0 = a[0];
        if XNN_UNPREDICTABLE(a0 != zero) {
          a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
        }
        a += 1;
  
        size_t k = kc;
        while (k >= 16 * sizeof(int8_t)) {
          int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
          int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
  
          const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
  
          int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
          const int8x8_t vb01c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x01c0 = vmlal_s8(vprod0x01c0, vb01c0x1, va0x1);
          vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
          int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
          const int8x8_t vb23c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x23c0 = vmlal_s8(vprod0x23c0, vb23c0x1, va0x1);
          vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
          int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
          const int8x8_t vb45c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x45c0 = vmlal_s8(vprod0x45c0, vb45c0x1, va0x1);
          vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
          int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
          const int8x8_t vb67c0x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x67c0 = vmlal_s8(vprod0x67c0, vb67c0x1, va0x1);
          vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
          va0x0 = vext_s8(va0x0, va0x0, 4);
          va0x1 = vext_s8(va0x1, va0x1, 4);
          int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
          const int8x8_t vb01c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x01c1 = vmlal_s8(vprod0x01c1, vb01c1x1, va0x1);
          vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
          int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
          const int8x8_t vb23c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x23c1 = vmlal_s8(vprod0x23c1, vb23c1x1, va0x1);
          vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
          int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
          const int8x8_t vb45c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x45c1 = vmlal_s8(vprod0x45c1, vb45c1x1, va0x1);
          vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
          int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
          const int8x8_t vb67c1x1 = vld1_s8(w); w = (const int8_t*) w + 8;
          vprod0x67c1 = vmlal_s8(vprod0x67c1, vb67c1x1, va0x1);
          vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
  
          k -= 16 * sizeof(int8_t);
        }
        if (k != 0) {
          int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
  
          const int8x8_t vb01c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb23c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb45c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb67c0x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb01c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb23c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb45c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
          const int8x8_t vb67c1x0 = vld1_s8(w); w = (const int8_t*) w + 8;
  
          int16x8_t vprod0x01c0 = vmull_s8(vb01c0x0, va0x0);
          vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
          int16x8_t vprod0x23c0 = vmull_s8(vb23c0x0, va0x0);
          vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
          int16x8_t vprod0x45c0 = vmull_s8(vb45c0x0, va0x0);
          vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
          int16x8_t vprod0x67c0 = vmull_s8(vb67c0x0, va0x0);
          vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
          va0x0 = vext_s8(va0x0, va0x0, 4);
          int16x8_t vprod0x01c1 = vmull_s8(vb01c1x0, va0x0);
          vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
          int16x8_t vprod0x23c1 = vmull_s8(vb23c1x0, va0x0);
          vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
          int16x8_t vprod0x45c1 = vmull_s8(vb45c1x0, va0x0);
          vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
          int16x8_t vprod0x67c1 = vmull_s8(vb67c1x0, va0x0);
          vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
  
        }
  
        p -= 1 * sizeof(void*);
      } while (p != 0);
  
  #if XNN_ARCH_ARM64
      int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
      int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
  #else
      const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
      const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
      int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
      const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
      const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
      int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
  #endif
  
      float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123);
      float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567);
  
      const float32x4_t vscale = vld1q_dup_f32(&params->fp32_neon.scale);
      vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale);
      vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale);
  
      const float32x4_t vmagic_bias = vld1q_dup_f32(&params->fp32_neon.magic_bias);
      vacc0x0123 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x0123, vmagic_bias));
      vacc0x4567 = vreinterpretq_s32_f32(vaddq_f32(vfpacc0x4567, vmagic_bias));
  
      const int32x4_t vmagic_bias_less_output_zero_point = vld1q_dup_s32(&params->fp32_neon.magic_bias_less_output_zero_point);
      vacc0x0123 = vqsubq_s32(vacc0x0123, vmagic_bias_less_output_zero_point);
      vacc0x4567 = vqsubq_s32(vacc0x4567, vmagic_bias_less_output_zero_point);
  
  #if XNN_ARCH_ARM64
      int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
  
  
      int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
  #else
      int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
  
  
      int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
  #endif
  
      const int8x8_t voutput_min = vld1_dup_s8(&params->fp32_neon.output_min);
      vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
  
      const int8x8_t voutput_max = vld1_dup_s8(&params->fp32_neon.output_max);
      vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
  
      if (nc >= 8) {
        vst1_s8(c0 + 0, vout0x01234567);
  
        c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
  
        a = (const int8_t**restrict) ((uintptr_t) a - ks);
  
        nc -= 8;
      } else {
        if (nc & 4) {
          vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
          vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
        }
        if (nc & 2) {
          vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
          vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
        }
        if (nc & 1) {
          vst1_lane_s8(c0, vout0x01234567, 0);
        }
  
        nc = 0;
      }
    } while (nc != 0);
  }
  