xref: /aosp_15_r20/external/XNNPACK/src/qs8-vadd/gen/minmax-xop-mul32-ld32-x8.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)

// Auto-generated file. Do not edit!
//   Template: src/qs8-vadd/sse-mul32-ld32.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>

#if defined(__GNUC__) || defined(__clang__)
  #include <x86intrin.h>
#else
  #include <immintrin.h>
  #include <ammintrin.h>
#endif

#include <xnnpack/intrinsics-polyfill.h>
#include <xnnpack/unaligned.h>
#include <xnnpack/vadd.h>


void xnn_qs8_vadd_minmax_ukernel__xop_mul32_ld32_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_OOB_READS
{
  const __m128i vbias = _mm_load_si128((const __m128i*) params->sse4_mul32.bias);
  const __m128i va_multiplier = _mm_load_si128((const __m128i*) params->sse4_mul32.a_multiplier);
  const __m128i vb_multiplier = _mm_load_si128((const __m128i*) params->sse4_mul32.b_multiplier);
  const __m128i vshift = _mm_load_si128((const __m128i*) params->sse4_mul32.shift);
  const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4_mul32.output_zero_point);
  const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse4_mul32.output_min);
  const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse4_mul32.output_max);

  for (; n >= 8 * sizeof(int8_t); n -= 8 * sizeof(int8_t)) {
    const __m128i va0123 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a)));
    const __m128i vb0123 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_b)));
    const __m128i va4567 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 4)));
    const __m128i vb4567 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_b + 4)));
    input_a += 8;
    input_b += 8;

    __m128i vacc0123 = _mm_macc_epi32(va0123, va_multiplier, vbias);
    __m128i vacc4567 = _mm_macc_epi32(va4567, va_multiplier, vbias);

    vacc0123 = _mm_macc_epi32(vb0123, vb_multiplier, vacc0123);
    vacc4567 = _mm_macc_epi32(vb4567, vb_multiplier, vacc4567);

    vacc0123 = _mm_sra_epi32(vacc0123, vshift);
    vacc4567 = _mm_sra_epi32(vacc4567, vshift);

    const __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);

    __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);

    vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);

    vout0123456701234567 = _mm_min_epi8(vout0123456701234567, voutput_max);

    _mm_storel_epi64((__m128i*) output, vout0123456701234567);
    output += 8;
  }
  if XNN_UNLIKELY(n != 0) {
    {
      const __m128i va0123 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a)));
      const __m128i vb0123 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_b)));
      const __m128i va4567 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 4)));
      const __m128i vb4567 = _mm_cvtepi8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_b + 4)));

      __m128i vacc0123 = _mm_macc_epi32(va0123, va_multiplier, vbias);
      __m128i vacc4567 = _mm_macc_epi32(va4567, va_multiplier, vbias);

      vacc0123 = _mm_macc_epi32(vb0123, vb_multiplier, vacc0123);
      vacc4567 = _mm_macc_epi32(vb4567, vb_multiplier, vacc4567);

      vacc0123 = _mm_sra_epi32(vacc0123, vshift);
      vacc4567 = _mm_sra_epi32(vacc4567, vshift);

      const __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);

      __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
      vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);
      vout0123456701234567 = _mm_min_epi8(vout0123456701234567, voutput_max);

      if (n & (4 * sizeof(int8_t))) {
        unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
        vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
        output += 4;
      }
      if (n & (2 * sizeof(int8_t))) {
        unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
        vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
        output += 2;
      }
      if (n & (1 * sizeof(int8_t))) {
        *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
      }
    }
  }
}