1  /* { dg-do run } */
       2  /* { dg-require-effective-target sse3 } */
       3  /* { dg-options "-O3 -msse3 -fdump-tree-slp2" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse3-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse3_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  double x[2], y[2], z[2];
      16  void __attribute__((noipa)) foo ()
      17  {
      18    x[0] = y[0] - z[0];
      19    x[1] = y[1] + z[1];
      20  }
      21  void __attribute__((noipa)) bar ()
      22  {
      23    x[0] = y[0] + z[0];
      24    x[1] = y[1] - z[1];
      25  }
      26  static void
      27  TEST (void)
      28  {
      29    for (int i = 0; i < 2; ++i)
      30      {
      31        y[i] = i + 1;
      32        z[i] = 2 * i + 1;
      33      }
      34    foo ();
      35    if (x[0] != 0 || x[1] != 5)
      36      __builtin_abort ();
      37    bar ();
      38    if (x[0] != 2 || x[1] != -1)
      39      __builtin_abort ();
      40  }
      41  
      42  /* { dg-final { scan-tree-dump-times "ADDSUB" 1 "slp2" } } */