text: // Auto-generated file. Do not edit!
  //   Template: src/f16-vunary/sse2.c.in
  //   Generator: tools/xngen
  //
  // Copyright 2022 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 <emmintrin.h>
  
  #include <xnnpack/common.h>
  #include <xnnpack/math.h>
  #include <xnnpack/unaligned.h>
  #include <xnnpack/vunary.h>
  
  
  void xnn_f16_vneg_ukernel__sse2_x8(
      size_t n,
      const void* input,
      void* output,
      const union xnn_f16_neg_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
  {
    assert(n != 0);
    assert(n % sizeof(uint16_t) == 0);
    assert(input != NULL);
    assert(output != NULL);
  
    const uint16_t* i = (const uint16_t*) input;
    uint16_t* o = (uint16_t*) output;
    const __m128i vsign_mask = _mm_load_si128((const __m128i*) params->sse.sign_mask);
    for (; n >= 8 * sizeof(uint16_t); n -= 8 * sizeof(uint16_t)) {
      __m128i vacc = _mm_loadu_si128((const __m128i*) i);
      i += 8;
      vacc = _mm_xor_si128(vacc, vsign_mask);
      _mm_storeu_si128((__m128i*) o, vacc);
      o += 8;
    }
    if XNN_UNLIKELY(n != 0) {
      __m128i vacc = _mm_loadu_si128((const __m128i*) i);
      vacc = _mm_xor_si128(vacc, vsign_mask);
      if (n & (4 * sizeof(uint16_t))) {
        _mm_storel_epi64((__m128i*) o, vacc);
        o += 4;
        vacc = _mm_unpackhi_epi64(vacc, vacc);
      }
      if (n & (2 * sizeof(uint16_t))) {
        unaligned_store_u32(o, (uint32_t) _mm_cvtsi128_si32(vacc));
        o += 2;
        vacc = _mm_srli_epi64(vacc, 32);
      }
      if (n & (1 * sizeof(uint16_t))) {
        *o = (uint16_t) _mm_extract_epi16(vacc, 0);
      }
    }
  }
  