1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized" } */
       3  /* { dg-skip-if "using short-double" { avr-*-* } } */
       4  
       5  int f(double aaa, double bbb){
       6    int xa = __builtin_isunordered(aaa, aaa);
       7    int xb = __builtin_isunordered(bbb, bbb);
       8    return xa | xb;
       9  }
      10  
      11  int g(double aaa, double bbb){
      12    int xa = __builtin_isunordered(aaa, bbb);
      13    int xb = __builtin_isunordered(bbb, bbb);
      14    return xa | xb;
      15  }
      16  
      17  int h(double ccc, float ddd){
      18    int xc = __builtin_isunordered(ccc, ccc);
      19    int xd = __builtin_isunordered(ddd, ddd);
      20    return xc | xd;
      21  }
      22  
      23  /* { dg-final { scan-tree-dump-not "aaa\[^\n\r\]* unord aaa" "optimized" } } */
      24  /* { dg-final { scan-tree-dump-not "bbb\[^\n\r\]* unord bbb" "optimized" } } */
      25  /* { dg-final { scan-tree-dump-times "aaa\[^\n\r\]* unord bbb" 2 "optimized" } } */
      26  /* { dg-final { scan-tree-dump-not "ccc\[^\n\r\]* unord ddd" "optimized" } } */