text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-igemm/MRx4c8-wasmsimd-mul16.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 <wasm_simd128.h>
  
  #include <xnnpack/gemm.h>
  #include <xnnpack/math.h>
  
  
  void xnn_qc8_igemm_minmax_fp32_ukernel_3x4c8__wasmsimd_mul16_ld128(
      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_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN
  {
    assert(mr != 0);
    assert(mr <= 3);
    assert(nc != 0);
    assert(kc != 0);
    assert(ks != 0);
    assert(ks % (3 * sizeof(void*)) == 0);
    assert(a_offset % sizeof(int8_t) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    kc = round_up_po2(kc, 8);
    int8_t* c0 = c;
    int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
    if XNN_UNPREDICTABLE(mr < 2) {
      c1 = c0;
    }
    int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
    if XNN_UNPREDICTABLE(mr <= 2) {
      c2 = c1;
    }
  
    do {
      v128_t vacc0x0 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[0]);
      v128_t vacc0x1 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[1]);
      v128_t vacc0x2 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[2]);
      v128_t vacc0x3 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[3]);
      v128_t vacc1x0 = vacc0x0;
      v128_t vacc1x1 = vacc0x1;
      v128_t vacc1x2 = vacc0x2;
      v128_t vacc1x3 = vacc0x3;
      v128_t vacc2x0 = vacc0x0;
      v128_t vacc2x1 = vacc0x1;
      v128_t vacc2x2 = vacc0x2;
      v128_t vacc2x3 = vacc0x3;
      w = (const void*) ((const int32_t*) w + 4);
  
      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);
        }
        const int8_t* restrict a1 = a[1];
        if XNN_UNPREDICTABLE(a1 != zero) {
          a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
        }
        const int8_t* restrict a2 = a[2];
        if XNN_UNPREDICTABLE(a2 != zero) {
          a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
        }
        a += 3;
  
        size_t k = 0;
        while (k < kc) {
          const v128_t vxa0 = wasm_i16x8_load8x8(a0);
          a0 += 8;
          const v128_t vxa1 = wasm_i16x8_load8x8(a1);
          a1 += 8;
          const v128_t vxa2 = wasm_i16x8_load8x8(a2);
          a2 += 8;
  
          const v128_t vb01 = wasm_v128_load(w);
          const v128_t vxb0 = wasm_i16x8_extend_low_i8x16(vb01);
          const v128_t vxb1 = wasm_i16x8_extend_high_i8x16(vb01);
  
          const v128_t vprod0x0 = wasm_i16x8_mul(vxb0, vxa0);
          vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_extend_low_i16x8(vprod0x0));
          const v128_t vprod1x0 = wasm_i16x8_mul(vxb0, vxa1);
          vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_extend_low_i16x8(vprod1x0));
          const v128_t vprod2x0 = wasm_i16x8_mul(vxb0, vxa2);
          vacc2x0 = wasm_i32x4_add(vacc2x0, wasm_i32x4_extend_low_i16x8(vprod2x0));
  
          const v128_t vprod0x1 = wasm_i16x8_mul(vxb1, vxa0);
          vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_extend_low_i16x8(vprod0x1));
          vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_extend_high_i16x8(vprod0x0));
          const v128_t vprod1x1 = wasm_i16x8_mul(vxb1, vxa1);
          vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_extend_low_i16x8(vprod1x1));
          vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_extend_high_i16x8(vprod1x0));
          const v128_t vprod2x1 = wasm_i16x8_mul(vxb1, vxa2);
          vacc2x1 = wasm_i32x4_add(vacc2x1, wasm_i32x4_extend_low_i16x8(vprod2x1));
          vacc2x0 = wasm_i32x4_add(vacc2x0, wasm_i32x4_extend_high_i16x8(vprod2x0));
  
          vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_extend_high_i16x8(vprod0x1));
          vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_extend_high_i16x8(vprod1x1));
          vacc2x1 = wasm_i32x4_add(vacc2x1, wasm_i32x4_extend_high_i16x8(vprod2x1));
          const v128_t vb23 = wasm_v128_load((const int8_t*) w + 16);
          const v128_t vxb2 = wasm_i16x8_extend_low_i8x16(vb23);
          const v128_t vxb3 = wasm_i16x8_extend_high_i8x16(vb23);
  
          const v128_t vprod0x2 = wasm_i16x8_mul(vxb2, vxa0);
          vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_extend_low_i16x8(vprod0x2));
          const v128_t vprod1x2 = wasm_i16x8_mul(vxb2, vxa1);
          vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_extend_low_i16x8(vprod1x2));
          const v128_t vprod2x2 = wasm_i16x8_mul(vxb2, vxa2);
          vacc2x2 = wasm_i32x4_add(vacc2x2, wasm_i32x4_extend_low_i16x8(vprod2x2));
  
          const v128_t vprod0x3 = wasm_i16x8_mul(vxb3, vxa0);
          vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_extend_low_i16x8(vprod0x3));
          vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_extend_high_i16x8(vprod0x2));
          const v128_t vprod1x3 = wasm_i16x8_mul(vxb3, vxa1);
          vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_extend_low_i16x8(vprod1x3));
          vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_extend_high_i16x8(vprod1x2));
          const v128_t vprod2x3 = wasm_i16x8_mul(vxb3, vxa2);
          vacc2x3 = wasm_i32x4_add(vacc2x3, wasm_i32x4_extend_low_i16x8(vprod2x3));
          vacc2x2 = wasm_i32x4_add(vacc2x2, wasm_i32x4_extend_high_i16x8(vprod2x2));
  
          vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_extend_high_i16x8(vprod0x3));
          vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_extend_high_i16x8(vprod1x3));
          vacc2x3 = wasm_i32x4_add(vacc2x3, wasm_i32x4_extend_high_i16x8(vprod2x3));
  
          w = (const void*) ((const int8_t*) w + 32);
          k += 8 * sizeof(int8_t);
        }
        p -= 3 * sizeof(void*);
      } while (p != 0);
  
      const v128_t vacc0x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x0, vacc0x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x0, vacc0x2, 2, 6, 3, 7));
      const v128_t vacc0x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x1, vacc0x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x1, vacc0x3, 2, 6, 3, 7));
      const v128_t vacc1x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x0, vacc1x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x0, vacc1x2, 2, 6, 3, 7));
      const v128_t vacc1x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x1, vacc1x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x1, vacc1x3, 2, 6, 3, 7));
      const v128_t vacc2x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x0, vacc2x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x0, vacc2x2, 2, 6, 3, 7));
      const v128_t vacc2x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x1, vacc2x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x1, vacc2x3, 2, 6, 3, 7));
  
      v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7));
      v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7));
      v128_t vacc2x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x02, vacc2x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x02, vacc2x13, 2, 6, 3, 7));
  
      vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
      vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
      vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
  
      const v128_t vscale0123 = wasm_v128_load(w);
      w = (const void*) ((const float*) w + 4);
      vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
      vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
      vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale0123);
  
      const v128_t voutput_min_less_zero_point = wasm_v128_load(params->wasmsimd.output_min_less_zero_point);
      vacc0x0123 = wasm_f32x4_pmax(voutput_min_less_zero_point, vacc0x0123);
      vacc1x0123 = wasm_f32x4_pmax(voutput_min_less_zero_point, vacc1x0123);
      vacc2x0123 = wasm_f32x4_pmax(voutput_min_less_zero_point, vacc2x0123);
  
      const v128_t voutput_max_less_zero_point = wasm_v128_load(params->wasmsimd.output_max_less_zero_point);
      vacc0x0123 = wasm_f32x4_pmin(voutput_max_less_zero_point, vacc0x0123);
      vacc1x0123 = wasm_f32x4_pmin(voutput_max_less_zero_point, vacc1x0123);
      vacc2x0123 = wasm_f32x4_pmin(voutput_max_less_zero_point, vacc2x0123);
  
      const v128_t vmagic_bias = wasm_v128_load(params->wasmsimd.magic_bias);
      vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
      vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
      vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
  
      const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load(params->wasmsimd.magic_bias_less_output_zero_point);
      vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
      vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
      vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
  
      v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
      v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
  
      v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
  
      if (nc >= 4) {
        *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
        *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
        *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
  
        c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
        c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
        c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
  
        a = (const int8_t**restrict) ((uintptr_t) a - ks);
  
        nc -= 4;
      } else {
        uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
        uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
        uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
        if (nc & 2) {
          *((uint16_t*) c2) = (uint16_t) vout2;
          vout2 >>= 16;
          c2 += 2;
          *((uint16_t*) c1) = (uint16_t) vout1;
          vout1 >>= 16;
          c1 += 2;
          *((uint16_t*) c0) = (uint16_t) vout0;
          vout0 >>= 16;
          c0 += 2;
        }
        if (nc & 1) {
          *c2 = (int8_t) vout2;
          *c1 = (int8_t) vout1;
          *c0 = (int8_t) vout0;
        }
  
        nc = 0;
      }
    } while (nc != 0);
  }
  