test/sse/test_sse3.cpp

/*
 * Copyright 2020 The Emscripten Authors.  All rights reserved.
 * Emscripten is available under two separate licenses, the MIT license and the
 * University of Illinois/NCSA Open Source License.  Both these licenses can be
 * found in the LICENSE file.
 */
// This file uses SSE3 by calling different functions with different interesting inputs and prints the results.
// Use a diff tool to compare the results between platforms.

#include <pmmintrin.h>
#include "test_sse.h"

bool testNaNBits = true;

float *interesting_floats = get_interesting_floats();
int numInterestingFloats = sizeof(interesting_floats_)/sizeof(interesting_floats_[0]);
uint32_t *interesting_ints = get_interesting_ints();
int numInterestingInts = sizeof(interesting_ints_)/sizeof(interesting_ints_[0]);
double *interesting_doubles = get_interesting_doubles();
int numInterestingDoubles = sizeof(interesting_doubles_)/sizeof(interesting_doubles_[0]);

int main() {
  assert(numInterestingFloats % 4 == 0);
  assert(numInterestingInts % 4 == 0);
  assert(numInterestingDoubles % 4 == 0); 

  testNaNBits = false;
  Ret_M128d_M128d(__m128d, _mm_addsub_pd);
  Ret_M128d_M128d(__m128d, _mm_hadd_pd);
  testNaNBits = true;
  Ret_M128_M128(__m128, _mm_addsub_ps);
  Ret_M128_M128(__m128, _mm_hadd_ps);
  Ret_M128d_M128d(__m128d, _mm_hsub_pd);
  Ret_M128_M128(__m128, _mm_hsub_ps);
  Ret_IntPtr(__m128i, _mm_lddqu_si128, __m128i*, 4, 1);
  Ret_DoublePtr(__m128d, _mm_loaddup_pd, 1, 1);
  Ret_M128d(__m128d, _mm_movedup_pd);
  Ret_M128(__m128, _mm_movehdup_ps);
  Ret_M128(__m128, _mm_moveldup_ps);

  // MXCSR register state addition in SSE3
  printf("%08X\n", _MM_GET_DENORMALS_ZERO_MODE());
}